diff options
Diffstat (limited to 'libgloss/mips')
43 files changed, 0 insertions, 8500 deletions
diff --git a/libgloss/mips/Makefile.in b/libgloss/mips/Makefile.in deleted file mode 100644 index 14fecaa20..000000000 --- a/libgloss/mips/Makefile.in +++ /dev/null @@ -1,249 +0,0 @@ -# Copyright (c) 1995, 1996, 1997, 1998, 1999 Cygnus Support -# -# The authors hereby grant permission to use, copy, modify, distribute, -# and license this software and its documentation for any purpose, provided -# that existing copyright notices are retained in all copies and that this -# notice is included verbatim in any distributions. No written agreement, -# license, or royalty fee is required for any of the authorized uses. -# Modifications to this software may be copyrighted by their authors -# and need not follow the licensing terms described here, provided that -# the new terms are clearly indicated on the first page of each file where -# they apply. - -VPATH = @srcdir@ -srcdir = @srcdir@ -objdir = . -srcroot = $(srcdir)/../.. -objroot = $(objdir)/../.. - -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -host_alias = @host_alias@ -target_alias = @target_alias@ -program_transform_name = @program_transform_name@ - -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(exec_prefix)/$(target_alias) - -# Multilib support variables. -# TOP is used instead of MULTI{BUILD,SRC}TOP. -MULTIDIRS = -MULTISUBDIR = -MULTIDO = true -MULTICLEAN = true - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -SHELL = /bin/sh - -CC = @CC@ - -#AS = @AS@ -AS = `if [ -f ${objroot}/../gas/as.new ] ; \ - then echo ${objroot}/../gas/as.new ; \ - else echo as ; fi` - -AR = @AR@ - -#LD = @LD@ -LD = `if [ -f ${objroot}/../ld/ld.new ] ; \ - then echo ${objroot}/../ld/ld.new ; \ - else echo ld ; fi` - -RANLIB = @RANLIB@ - -OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \ - then echo ${objroot}/../binutils/objdump ; \ - else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi` -OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \ - then echo ${objroot}/../binutils/objcopy ; \ - else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi` - -CRT0 = @crt0@ -PCRT0 = @pcrt0@ -GENOBJS = syscalls.o fstat.o getpid.o isatty.o kill.o \ - lseek.o print.o putnum.o stat.o unlink.o -GENOBJS2 = open.o close.o read.o write.o -IDTOBJS = idtmon.o @part_specific_obj@ ${GENOBJS} -PMONOBJS = pmon.o @part_specific_obj@ ${GENOBJS} -LSIOBJS = lsipmon.o @part_specific_obj@ ${GENOBJS} -DVEOBJS = dvemon.o @part_specific_obj@ ${GENOBJS} ${GENOBJS2} -JMR3904OBJS = jmr3904-io.o @part_specific_obj@ ${GENOBJS} ${GENOBJS2} -CFEOBJS = cfe.o cfe_api.o cfe_prestart.o \ - @part_specific_obj@ ${GENOBJS} ${GENOBJS2} - -# Nullmon cannot support read and write, but the test cases pull them in via libs -NULLMONOBJS = nullmon.o @part_specific_obj@ ${GENOBJS} - -CFLAGS = -g - -GCC_LDFLAGS = `if [ -d ${objroot}/../gcc ] ; \ - then echo -L${objroot}/../gcc ; fi` - -SCRIPTS = @script_list@ -BSP = @bsp_list@ - -PART_SPECIFIC_DEFINES = @part_specific_defines@ - -# Host specific makefile fragment comes in here. -@host_makefile_frag@ - -# -# build a test program for each target board. Just trying to get -# it to link is a good test, so we ignore all the errors for now. -# - -all: ${CRT0} ${PCRT0} test.o ${BSP} - -# -# here's where we build the board support packages for each target -# -mipsidt.o: $(IDTOBJS) - ${LD} -r $(IDTOBJS) -o $@ - -mipspmon.o: $(PMONOBJS) - ${LD} -r $(PMONOBJS) -o $@ - -mipslsi.o: $(PMONOBJS) - ${LD} -r $(LSIOBJS) -o $@ - -libidt.a: $(IDTOBJS) - ${AR} ${ARFLAGS} $@ $(IDTOBJS) - ${RANLIB} $@ - -libpmon.a: $(PMONOBJS) - ${AR} ${ARFLAGS} $@ $(PMONOBJS) - ${RANLIB} $@ - -liblsi.a: $(LSIOBJS) - ${AR} ${ARFLAGS} $@ $(LSIOBJS) - ${RANLIB} $@ - -libdve.a: $(DVEOBJS) - ${AR} ${ARFLAGS} $@ $(DVEOBJS) - ${RANLIB} $@ - -libjmr3904.a: $(JMR3904OBJS) - ${AR} ${ARFLAGS} $@ $(JMR3904OBJS) - ${RANLIB} $@ - -libcfe.a: $(CFEOBJS) - ${AR} ${ARFLAGS} $@ $(CFEOBJS) - ${RANLIB} $@ - -# nullmon.a , This is what you want if you want crt0 but NO mon services -# Supports GDB sim testing, board bringups, ICE operation. -libnullmon.a: $(NULLMONOBJS) - ${AR} ${ARFLAGS} $@ $(NULLMONOBJS) - ${RANLIB} $@ - - -# compile a fully linked binary. The -Wl,-T*.ld is for the linker -# script. By using -Wl, the linker script is put on the proper place -# in the comand line for ld, and all the symbols will get fully -# resolved. - -test: $(OBJS) ${BSP} pmon-test idt-test cfe-test - @echo Done... - -dtor.o: $(srcdir)/dtor.C - $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -o $@ -c $< -dtor.x: dtor.o ${CRT0} ${srcdir}/pmon.ld Makefile libpmon.a - ${CC} $(CFLAGS_FOR_TARGET) -L${srcdir} -L${objdir} \ - dtor.o -o $@ $(NEWLIB_LDFLAGS) -N -Wl,-Tpmon.ld - -pmon-test.x: test.o ${CRT0} Makefile libpmon.a - ${CC} $(CFLAGS_FOR_TARGET) -L${srcdir} -L${objdir} \ - test.o -o $@ $(NEWLIB_LDFLAGS) -Wl,-Tpmon.ld -pmon-test.srec: pmon-test.x - $(OBJCOPY) -O srec pmon-test.x $@ -pmon-test.dis: pmon-test.x - @rm -fr pmon-test.dis - $(OBJDUMP) -d pmon-test.x > $@ -pmon-test: pmon-test.srec pmon-test.dis - -idt-test.x: test.o ${CRT0} Makefile libidt.a - ${CC} $(CFLAGS_FOR_TARGET) -L${srcdir} -L${objdir} \ - test.o -o $@ $(NEWLIB_LDFLAGS) -Wl,-Tidt.ld -idt-test.srec: idt-test.x - $(OBJCOPY) -O srec idt-test.x $@ -idt-test.dis: idt-test.x - @rm -fr idt-test.dis - $(OBJDUMP) -d idt-test.x > $@ -idt-test: idt-test.srec idt-test.dis - -cfe-test.x: test.o ${CRT0} Makefile libcfe.a - ${CC} $(CFLAGS_FOR_TARGET) -L${srcdir} -L${objdir} \ - test.o -o $@ $(NEWLIB_LDFLAGS) -Wl,-Tcfe.ld -cfe-test.srec: cfe-test.x - $(OBJCOPY) -O srec cfe-test.x $@ -cfe-test.dis: cfe-test.x - @rm -fr cfe-test.dis - $(OBJDUMP) -d cfe-test.x > $@ -cfe-test: cfe-test.srec cfe-test.dis - -doc: - -clean mostlyclean: - rm -f a.out core *.i *~ *.o *-test *.srec *.dis *.map *.x - -distclean maintainer-clean realclean: clean - rm -f Makefile config.status a.out - -.PHONY: install info install-info clean-info -install: - if test "x$(CRT0)" != x ; then \ - $(INSTALL_PROGRAM) $(CRT0) $(tooldir)/lib${MULTISUBDIR}/$(CRT0) ; \ - fi - if test "x$(PCRT0)" != x ; then \ - $(INSTALL_PROGRAM) $(PCRT0) $(tooldir)/lib${MULTISUBDIR}/$(PCRT0) ; \ - fi - @for bsp in ${BSP}; do\ - $(INSTALL_PROGRAM) $${bsp} $(tooldir)/lib${MULTISUBDIR}; \ - done - @for script in ${SCRIPTS}; do\ - $(INSTALL_DATA) ${srcdir}/$${script}.ld $(tooldir)/lib${MULTISUBDIR}/$${script}.ld; \ - done - -info: -install-info: -clean-info: - -test.o: ${srcdir}/test.c - -# these are for the BSPs -crt0.o: ${srcdir}/crt0.S -pcrt0.o: ${srcdir}/crt0.S - $(CC) -c $(CFLAGS_FOR_TARGET) $(CFLAGS) -DGCRT0 ${srcdir}/crt0.S -o ${PCRT0} -idtmon.o: ${srcdir}/idtmon.S -pmon.o: ${srcdir}/pmon.S - $(CC) -c $(CFLAGS_FOR_TARGET) $(CFLAGS) $(PART_SPECIFIC_DEFINES) ${srcdir}/pmon.S -o pmon.o -vr4300.o: ${srcdir}/vr4300.S - $(CC) -c $(CFLAGS_FOR_TARGET) $(CFLAGS) ${srcdir}/vr4300.S -vr5xxx.o: ${srcdir}/vr5xxx.S - $(CC) -c $(CFLAGS_FOR_TARGET) $(CFLAGS) ${srcdir}/vr5xxx.S -lsipmon.o: $(srcdir)/lsipmon.S $(srcdir)/pmon.S -jmr3904-io.o: ${srcdir}/jmr3904-io.c - $(CC) -c $(CFLAGS_FOR_TARGET) $(CFLAGS) ${srcdir}/jmr3904-io.c -o $@ - -# cma101 can not be compiled mips16, if a mips16 version is needed then -# it will have to be built, then this rule can be scrapped, allowing -# the implicit rule to run. -cma101.o: ${srcdir}/cma101.c - $(CC) -c $(CFLAGS_FOR_TARGET) $(CFLAGS) -mno-mips16 ${srcdir}/cma101.c - - -syscalls.o: ${srcdir}/syscalls.c - -# target specific makefile fragment comes in here. -@target_makefile_frag@ - -Makefile: Makefile.in config.status @host_makefile_frag_path@ @target_makefile_frag_path@ - $(SHELL) config.status - -config.status: configure - $(SHELL) config.status --recheck diff --git a/libgloss/mips/array-io.c b/libgloss/mips/array-io.c deleted file mode 100644 index 5c1d96fa3..000000000 --- a/libgloss/mips/array-io.c +++ /dev/null @@ -1,68 +0,0 @@ -/* array-io.c -- I/O code for the Array Tech RAID disk controller. - * - * Copyright (c) 1995 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ -#include "mips.h" - -/* - * outbyte -- shove a byte out the serial port. We wait till the byte - */ -int -outbyte(byte) - unsigned char byte; -{ - return (PUTCHAR(byte)); -} - -/* - * inbyte -- get a byte from the serial port - */ -unsigned char -inbyte() -{ - return ((unsigned char)GETCHAR); -} - -/* - * led_putnum -- print a hex number on the LED. the value of num must be a byte. - - * The max number 15, since the front panel only has 4 LEDs. - */ -void -led_putnum ( num ) -char num; -{ - print ("Sorry, unimplemented, using putnum instead\r\n"); - putnum (num); -} - -/* - * zylons -- draw a rotating pattern. NOTE: this function never returns. - */ -void -zylons() -{ - print ("Sorry, unimplemented\r\n"); -} - -/* - * delay -- a really gross, ugly hack for simple time delays - */ -void -delay (x) - int x; -{ - int y = 17; - while (x-- !=0) - y = y^2; -} diff --git a/libgloss/mips/array.ld b/libgloss/mips/array.ld deleted file mode 100644 index 839062195..000000000 --- a/libgloss/mips/array.ld +++ /dev/null @@ -1,173 +0,0 @@ -/* - * memory map assumed by prom and standalone system - * - * physical kseg1 use - * - * 0x1fc20000 0xbfc20000 - * to prom text and read-only data - * 0x1fc00000 0xbfc00000 (in cpu board "prom space") - * - * (Top of RAM - 8K) downward sash and standalone program stack - * | ( - 8K to preserve kernel message bufs) - * V (standalone programs grow their stack - * immediately below sash's stack) - * - * ^ - * | - * 0x00100000 0xa0100000 upward sash program text, data, and bss - * - * ^ - * | - * 0x00020000 0xa0020000 upward standalone program text, data, and bss - * (kernel is loaded here, also) - * - * 0x0001ffff 0xa001ffff downward dbgmon stack - * | - * V - * - * ^ - * | - * 0x00010000 0xa0010000 upward dbgmon text, data, and bss - * - * 0x0000ffff 0xa000ffff downward prom monitor stack - * | - * V - * - * ^ - * | - * 0x00000500 0xa0000500 upward prom monitor bss - * - * 0x000004ff 0xa00004ff - * to restart block - * 0x00000400 0xa0000400 - * - * 0x000003ff 0xa00003ff - * to general exception code - * 0x00000080 0xa0000080 (note cpu addresses as 0x80000080!) - * - * 0x0000007f 0xa000007f - * to utlbmiss exception code - * 0x00000000 0xa0000000 (note cpu addresses as 0x80000000!) - */ - -/* Uncomment this if you want srecords. -OUTPUT_FORMAT(srec) - */ -ENTRY(start) -STARTUP(crt0.o) -INPUT(array.o) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - * -PROVIDE (__stack = 1M - 8); - */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0x80020000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - _gp = ALIGN(16) + 0x8000; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - end = .; - _end = .; -} diff --git a/libgloss/mips/cfe.c b/libgloss/mips/cfe.c deleted file mode 100644 index 6efd57d1f..000000000 --- a/libgloss/mips/cfe.c +++ /dev/null @@ -1,141 +0,0 @@ -/* cfe.c -- I/O code for the MIPS boards running CFE. */ - -/* - * Copyright 2001, 2002 - * Broadcom Corporation. All rights reserved. - * - * This software is furnished under license and may be used and copied only - * in accordance with the following terms and conditions. Subject to these - * conditions, you may download, copy, install, use, modify and distribute - * modified or unmodified copies of this software in source and/or binary - * form. No title or ownership is transferred hereby. - * - * 1) Any source code used, modified or distributed must reproduce and - * retain this copyright notice and list of conditions as they appear in - * the source file. - * - * 2) No right is granted to use any trade name, trademark, or logo of - * Broadcom Corporation. The "Broadcom Corporation" name may not be - * used to endorse or promote products derived from this software - * without the prior written permission of Broadcom Corporation. - * - * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR - * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE - * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE - * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - */ - -#include "cfe_api.h" - -char inbyte (void); -int outbyte (char c); - -/* Make sure cfe_prestart is used. It doesn't look like setting the - entry symbol in the linker script to a symbol from that fiel will do - this! */ -extern int _prestart; -static void *force_prestart = &_prestart; - -/* The following variables are initialized to non-zero so that they'll be - in data, rather than BSS. Used to be that you could init variables to - any value to put them into initialized data sections rather than BSS, - but that decades-old idiom went out the window with gcc 3.2. Now, - either you compile specially (with -fno-zero-initialized-in-bss), or - you init to non-zero. In this case, initting to non-zero is OK (and - even beneficial; alignment fault via jump to odd if not properly - set up by _prestart()), so we do the latter. */ -unsigned int __cfe_handle = 0xdeadbeef; -unsigned int __cfe_entrypt = 0xdeadbeef; - -/* Echo input characters? */ -int __cfe_echo_input = 0; - -/* CFE handle used to access console device. */ -static int cfe_conshandle; - -char -inbyte (void) -{ - unsigned char c; - int rv; - - while (cfe_read (cfe_conshandle, &c, 1) != 1) - ; - if (c == '\r') - c = '\n'; - if (__cfe_echo_input) - outbyte (c); - return c; -} - -int -outbyte (char c) -{ - int res; - - do - { - res = cfe_write (cfe_conshandle, &c, 1); - } - while (res == 0); - if (c == '\n') - outbyte ('\r'); - return 0; -} - -/* Initialize hardware. Called from crt0. */ -void -hardware_init_hook(void) -{ - cfe_init (__cfe_handle, __cfe_entrypt); - cfe_conshandle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE); -} - -/* Avoid worst-case execution hazards. This is targetted at the SB-1 - pipe, and is much worse than it needs to be (not even counting - the subroutine call and return). */ -void -hardware_hazard_hook(void) -{ - __asm__ __volatile__ (" .set push \n" - " .set mips32 \n" - " .set noreorder \n" - " ssnop \n" - " ssnop \n" - " ssnop \n" - " bnel $0, $0, .+4 \n" - " ssnop \n" - " .set pop \n"); -} - -/* Exit back to monitor, with the given status code. */ -void -hardware_exit_hook (int status) -{ - outbyte ('\r'); - outbyte ('\n'); - cfe_exit (CFE_FLG_WARMSTART, status); -} - -/* Structure filled in by get_mem_info. Only the size field is - actually used (by sbrk), so the others aren't even filled in. */ -struct s_mem -{ - unsigned int size; - unsigned int icsize; - unsigned int dcsize; -}; - -void -get_mem_info (mem) - struct s_mem *mem; -{ - /* XXX FIXME: Fake this for now. Should invoke cfe_enummem, but we - don't have enough stack to do that (yet). */ - mem->size = 0x4000000; /* Assume 64 MB of RAM */ -} diff --git a/libgloss/mips/cfe.ld b/libgloss/mips/cfe.ld deleted file mode 100644 index 4abbf4468..000000000 --- a/libgloss/mips/cfe.ld +++ /dev/null @@ -1,163 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. */ - -ENTRY(_prestart) -STARTUP(crt0.o) -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -lcfe -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0x80020000; - .text : { - _ftext = . ; - PROVIDE (eprol = .); - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - } - .init : { - *(.init) - } - .fini : { - *(.fini) - } - .rel.sdata : { - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - } - PROVIDE (etext = .); - _etext = .; - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - PROVIDE (edata = .); - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - PROVIDE (end = .); - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/cfe_api.c b/libgloss/mips/cfe_api.c deleted file mode 100644 index ab5ac9059..000000000 --- a/libgloss/mips/cfe_api.c +++ /dev/null @@ -1,534 +0,0 @@ -/* From: CFE Id: cfe_api.c,v 1.16 2002/07/09 23:29:11 cgd Exp $ */ - -/* - * Copyright 2000, 2001, 2002 - * Broadcom Corporation. All rights reserved. - * - * This software is furnished under license and may be used and copied only - * in accordance with the following terms and conditions. Subject to these - * conditions, you may download, copy, install, use, modify and distribute - * modified or unmodified copies of this software in source and/or binary - * form. No title or ownership is transferred hereby. - * - * 1) Any source code used, modified or distributed must reproduce and - * retain this copyright notice and list of conditions as they appear in - * the source file. - * - * 2) No right is granted to use any trade name, trademark, or logo of - * Broadcom Corporation. The "Broadcom Corporation" name may not be - * used to endorse or promote products derived from this software - * without the prior written permission of Broadcom Corporation. - * - * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR - * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE - * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE - * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* ********************************************************************* - * - * Broadcom Common Firmware Environment (CFE) - * - * Device Function stubs File: cfe_api.c - * - * This module contains device function stubs (small routines to - * call the standard "iocb" interface entry point to CFE). - * There should be one routine here per iocb function call. - * - * Authors: Mitch Lichtenberg, Chris Demetriou - * - ********************************************************************* */ - -#include "cfe_api.h" -#include "cfe_api_int.h" - -/* Cast from a native pointer to a cfe_xptr_t and back. */ -#define XPTR_FROM_NATIVE(n) ((cfe_xptr_t) (intptr_t) (n)) -#define NATIVE_FROM_XPTR(x) ((void *) (intptr_t) (x)) - -#ifdef CFE_API_IMPL_NAMESPACE -#define cfe_iocb_dispatch(a) __cfe_iocb_dispatch(a) -#endif -int cfe_iocb_dispatch(cfe_xiocb_t *xiocb); - -#if defined(CFE_API_common) || defined(CFE_API_ALL) -/* - * Declare the dispatch function with args of "intptr_t". - * This makes sure whatever model we're compiling in - * puts the pointers in a single register. For example, - * combining -mlong64 and -mips1 or -mips2 would lead to - * trouble, since the handle and IOCB pointer will be - * passed in two registers each, and CFE expects one. - */ - -static int (*cfe_dispfunc)(intptr_t handle, intptr_t xiocb) = 0; -static cfe_xuint_t cfe_handle = 0; - -int -cfe_init(cfe_xuint_t handle, cfe_xuint_t ept) -{ - cfe_dispfunc = NATIVE_FROM_XPTR(ept); - cfe_handle = handle; - return 0; -} - -int -cfe_iocb_dispatch(cfe_xiocb_t *xiocb) -{ - if (!cfe_dispfunc) return -1; - return (*cfe_dispfunc)((intptr_t)cfe_handle, (intptr_t)xiocb); -} -#endif /* CFE_API_common || CFE_API_ALL */ - -#if defined(CFE_API_close) || defined(CFE_API_ALL) -int -cfe_close(int handle) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_DEV_CLOSE; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = handle; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = 0; - - cfe_iocb_dispatch(&xiocb); - - return xiocb.xiocb_status; - -} -#endif /* CFE_API_close || CFE_API_ALL */ - -#if defined(CFE_API_cpu_start) || defined(CFE_API_ALL) -int -cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t); - xiocb.plist.xiocb_cpuctl.cpu_number = cpu; - xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_START; - xiocb.plist.xiocb_cpuctl.gp_val = gp; - xiocb.plist.xiocb_cpuctl.sp_val = sp; - xiocb.plist.xiocb_cpuctl.a1_val = a1; - xiocb.plist.xiocb_cpuctl.start_addr = (long)fn; - - cfe_iocb_dispatch(&xiocb); - - return xiocb.xiocb_status; -} -#endif /* CFE_API_cpu_start || CFE_API_ALL */ - -#if defined(CFE_API_cpu_stop) || defined(CFE_API_ALL) -int -cfe_cpu_stop(int cpu) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t); - xiocb.plist.xiocb_cpuctl.cpu_number = cpu; - xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_STOP; - - cfe_iocb_dispatch(&xiocb); - - return xiocb.xiocb_status; -} -#endif /* CFE_API_cpu_stop || CFE_API_ALL */ - -#if defined(CFE_API_enumenv) || defined(CFE_API_ALL) -int -cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_ENV_SET; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_envbuf_t); - xiocb.plist.xiocb_envbuf.enum_idx = idx; - xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name); - xiocb.plist.xiocb_envbuf.name_length = namelen; - xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val); - xiocb.plist.xiocb_envbuf.val_length = vallen; - - cfe_iocb_dispatch(&xiocb); - - return xiocb.xiocb_status; -} -#endif /* CFE_API_enumenv || CFE_API_ALL */ - -#if defined(CFE_API_enummem) || defined(CFE_API_ALL) -int -cfe_enummem(int idx, int flags, cfe_xuint_t *start, cfe_xuint_t *length, - cfe_xuint_t *type) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_FW_MEMENUM; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = flags; - xiocb.xiocb_psize = sizeof(xiocb_meminfo_t); - xiocb.plist.xiocb_meminfo.mi_idx = idx; - - cfe_iocb_dispatch(&xiocb); - - if (xiocb.xiocb_status < 0) - return xiocb.xiocb_status; - - *start = xiocb.plist.xiocb_meminfo.mi_addr; - *length = xiocb.plist.xiocb_meminfo.mi_size; - *type = xiocb.plist.xiocb_meminfo.mi_type; - - return 0; -} -#endif /* CFE_API_enummem || CFE_API_ALL */ - -#if defined(CFE_API_exit) || defined(CFE_API_ALL) -int -cfe_exit(int warm, int status) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_FW_RESTART; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = warm ? CFE_FLG_WARMSTART : 0; - xiocb.xiocb_psize = sizeof(xiocb_exitstat_t); - xiocb.plist.xiocb_exitstat.status = status; - - cfe_iocb_dispatch(&xiocb); - - return xiocb.xiocb_status; -} -#endif /* CFE_API_exit || CFE_API_ALL */ - -#if defined(CFE_API_flushcache) || defined(CFE_API_ALL) -int -cfe_flushcache(int flg) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_FW_FLUSHCACHE; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = flg; - xiocb.xiocb_psize = 0; - - cfe_iocb_dispatch(&xiocb); - - return xiocb.xiocb_status; -} -#endif /* CFE_API_flushcache || CFE_API_ALL */ - -#if defined(CFE_API_getdevinfo) || defined(CFE_API_ALL) -int -cfe_getdevinfo(char *name) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_DEV_GETINFO; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_buffer_t); - xiocb.plist.xiocb_buffer.buf_offset = 0; - xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name); - xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name); - - cfe_iocb_dispatch(&xiocb); - - if (xiocb.xiocb_status < 0) - return xiocb.xiocb_status; - return xiocb.plist.xiocb_buffer.buf_devflags; -} -#endif /* CFE_API_getdevinfo || CFE_API_ALL */ - -#if defined(CFE_API_getenv) || defined(CFE_API_ALL) -int -cfe_getenv(char *name, char *dest, int destlen) -{ - cfe_xiocb_t xiocb; - - *dest = 0; - - xiocb.xiocb_fcode = CFE_CMD_ENV_GET; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_envbuf_t); - xiocb.plist.xiocb_envbuf.enum_idx = 0; - xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name); - xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name); - xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(dest); - xiocb.plist.xiocb_envbuf.val_length = destlen; - - cfe_iocb_dispatch(&xiocb); - - return xiocb.xiocb_status; -} -#endif /* CFE_API_getenv || CFE_API_ALL */ - -#if defined(CFE_API_getfwinfo) || defined(CFE_API_ALL) -int -cfe_getfwinfo(cfe_fwinfo_t *info) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_FW_GETINFO; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_fwinfo_t); - - cfe_iocb_dispatch(&xiocb); - - if (xiocb.xiocb_status < 0) - return xiocb.xiocb_status; - - info->fwi_version = xiocb.plist.xiocb_fwinfo.fwi_version; - info->fwi_totalmem = xiocb.plist.xiocb_fwinfo.fwi_totalmem; - info->fwi_flags = xiocb.plist.xiocb_fwinfo.fwi_flags; - info->fwi_boardid = xiocb.plist.xiocb_fwinfo.fwi_boardid; - info->fwi_bootarea_va = xiocb.plist.xiocb_fwinfo.fwi_bootarea_va; - info->fwi_bootarea_pa = xiocb.plist.xiocb_fwinfo.fwi_bootarea_pa; - info->fwi_bootarea_size = xiocb.plist.xiocb_fwinfo.fwi_bootarea_size; -#if 0 - info->fwi_reserved1 = xiocb.plist.xiocb_fwinfo.fwi_reserved1; - info->fwi_reserved2 = xiocb.plist.xiocb_fwinfo.fwi_reserved2; - info->fwi_reserved3 = xiocb.plist.xiocb_fwinfo.fwi_reserved3; -#endif - - return 0; -} -#endif /* CFE_API_getfwinfo || CFE_API_ALL */ - -#if defined(CFE_API_getstdhandle) || defined(CFE_API_ALL) -int -cfe_getstdhandle(int flg) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_DEV_GETHANDLE; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = flg; - xiocb.xiocb_psize = 0; - - cfe_iocb_dispatch(&xiocb); - - if (xiocb.xiocb_status < 0) - return xiocb.xiocb_status; - return xiocb.xiocb_handle; - -} -#endif /* CFE_API_getstdhandle || CFE_API_ALL */ - -#if defined(CFE_API_getticks) || defined(CFE_API_ALL) -int64_t -#ifdef CFE_API_IMPL_NAMESPACE -__cfe_getticks(void) -#else -cfe_getticks(void) -#endif -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_FW_GETTIME; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_time_t); - xiocb.plist.xiocb_time.ticks = 0; - - cfe_iocb_dispatch(&xiocb); - - return xiocb.plist.xiocb_time.ticks; - -} -#endif /* CFE_API_getticks || CFE_API_ALL */ - -#if defined(CFE_API_inpstat) || defined(CFE_API_ALL) -int -cfe_inpstat(int handle) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_DEV_INPSTAT; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = handle; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_inpstat_t); - xiocb.plist.xiocb_inpstat.inp_status = 0; - - cfe_iocb_dispatch(&xiocb); - - if (xiocb.xiocb_status < 0) - return xiocb.xiocb_status; - return xiocb.plist.xiocb_inpstat.inp_status; - -} -#endif /* CFE_API_inpstat || CFE_API_ALL */ - -#if defined(CFE_API_ioctl) || defined(CFE_API_ALL) -int -cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer, int length, - int *retlen, cfe_xuint_t offset) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_DEV_IOCTL; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = handle; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_buffer_t); - xiocb.plist.xiocb_buffer.buf_offset = offset; - xiocb.plist.xiocb_buffer.buf_ioctlcmd = ioctlnum; - xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer); - xiocb.plist.xiocb_buffer.buf_length = length; - - cfe_iocb_dispatch(&xiocb); - - if (retlen) - *retlen = xiocb.plist.xiocb_buffer.buf_retlen; - return xiocb.xiocb_status; -} -#endif /* CFE_API_ioctl || CFE_API_ALL */ - -#if defined(CFE_API_open) || defined(CFE_API_ALL) -int -cfe_open(char *name) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_DEV_OPEN; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_buffer_t); - xiocb.plist.xiocb_buffer.buf_offset = 0; - xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name); - xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name); - - cfe_iocb_dispatch(&xiocb); - - if (xiocb.xiocb_status < 0) - return xiocb.xiocb_status; - return xiocb.xiocb_handle; -} -#endif /* CFE_API_open || CFE_API_ALL */ - -#if defined(CFE_API_read) || defined(CFE_API_ALL) -int -cfe_read(int handle, unsigned char *buffer, int length) -{ - return cfe_readblk(handle, 0, buffer, length); -} -#endif /* CFE_API_read || CFE_API_ALL */ - -#if defined(CFE_API_readblk) || defined(CFE_API_ALL) -int -cfe_readblk(int handle, cfe_xint_t offset, unsigned char *buffer, int length) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_DEV_READ; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = handle; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_buffer_t); - xiocb.plist.xiocb_buffer.buf_offset = offset; - xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer); - xiocb.plist.xiocb_buffer.buf_length = length; - - cfe_iocb_dispatch(&xiocb); - - if (xiocb.xiocb_status < 0) - return xiocb.xiocb_status; - return xiocb.plist.xiocb_buffer.buf_retlen; -} -#endif /* CFE_API_readblk || CFE_API_ALL */ - -#if defined(CFE_API_setenv) || defined(CFE_API_ALL) -int -cfe_setenv(char *name, char *val) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_ENV_SET; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = 0; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_envbuf_t); - xiocb.plist.xiocb_envbuf.enum_idx = 0; - xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name); - xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name); - xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val); - xiocb.plist.xiocb_envbuf.val_length = cfe_strlen(val); - - cfe_iocb_dispatch(&xiocb); - - return xiocb.xiocb_status; -} -#endif /* CFE_API_setenv || CFE_API_ALL */ - -#if (defined(CFE_API_strlen) || defined(CFE_API_ALL)) \ - && !defined(CFE_API_STRLEN_CUSTOM) -int -cfe_strlen(char *name) -{ - int count = 0; - - while (*name++) - count++; - - return count; -} -#endif /* CFE_API_strlen || CFE_API_ALL */ - -#if defined(CFE_API_write) || defined(CFE_API_ALL) -int -cfe_write(int handle, unsigned char *buffer, int length) -{ - return cfe_writeblk(handle, 0, buffer, length); -} -#endif /* CFE_API_write || CFE_API_ALL */ - -#if defined(CFE_API_writeblk) || defined(CFE_API_ALL) -int -cfe_writeblk(int handle, cfe_xint_t offset, unsigned char *buffer, int length) -{ - cfe_xiocb_t xiocb; - - xiocb.xiocb_fcode = CFE_CMD_DEV_WRITE; - xiocb.xiocb_status = 0; - xiocb.xiocb_handle = handle; - xiocb.xiocb_flags = 0; - xiocb.xiocb_psize = sizeof(xiocb_buffer_t); - xiocb.plist.xiocb_buffer.buf_offset = offset; - xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer); - xiocb.plist.xiocb_buffer.buf_length = length; - - cfe_iocb_dispatch(&xiocb); - - if (xiocb.xiocb_status < 0) - return xiocb.xiocb_status; - return xiocb.plist.xiocb_buffer.buf_retlen; -} -#endif /* CFE_API_writeblk || CFE_API_ALL */ diff --git a/libgloss/mips/cfe_api.h b/libgloss/mips/cfe_api.h deleted file mode 100644 index 7b98a8fc8..000000000 --- a/libgloss/mips/cfe_api.h +++ /dev/null @@ -1,203 +0,0 @@ -/* From: CFE Id: cfe_api.h,v 1.29 2002/07/09 23:29:11 cgd Exp $ */ - -/* - * Copyright 2000, 2001, 2002 - * Broadcom Corporation. All rights reserved. - * - * This software is furnished under license and may be used and copied only - * in accordance with the following terms and conditions. Subject to these - * conditions, you may download, copy, install, use, modify and distribute - * modified or unmodified copies of this software in source and/or binary - * form. No title or ownership is transferred hereby. - * - * 1) Any source code used, modified or distributed must reproduce and - * retain this copyright notice and list of conditions as they appear in - * the source file. - * - * 2) No right is granted to use any trade name, trademark, or logo of - * Broadcom Corporation. The "Broadcom Corporation" name may not be - * used to endorse or promote products derived from this software - * without the prior written permission of Broadcom Corporation. - * - * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR - * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE - * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE - * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* ********************************************************************* - * - * Broadcom Common Firmware Environment (CFE) - * - * Device function prototypes File: cfe_api.h - * - * This file contains declarations for doing callbacks to - * cfe from an application. It should be the only header - * needed by the application to use this library - * - * Authors: Mitch Lichtenberg, Chris Demetriou - * - ********************************************************************* */ - -#ifndef CFE_API_H -#define CFE_API_H - -/* - * Apply customizations here for different OSes. These need to: - * * typedef uint64_t, int64_t, intptr_t, uintptr_t. - * * define cfe_strlen() if use of an existing function is desired. - * * define CFE_API_IMPL_NAMESPACE if API functions are to use - * names in the implementation namespace. - * Also, optionally, if the build environment does not do so automatically, - * CFE_API_* can be defined here as desired. - */ -/* Begin customization. */ -#include <sys/types.h> /* for __uint64_t and __int64_t. */ -#define int64_t __int64_t -#define uint64_t __int64_t -#include <_ansi.h> /* for _POINTER_INT. */ -typedef _POINTER_INT intptr_t; -typedef unsigned _POINTER_INT uintptr_t; - -#include <string.h> -#define cfe_strlen(s) strlen(s) - -#define CFE_API_ALL -#define CFE_API_IMPL_NAMESPACE -/* End customization. */ - - -/* ********************************************************************* - * Constants - ********************************************************************* */ - -/* Seal indicating CFE's presence, passed to user program. */ -#define CFE_EPTSEAL 0x43464531 - -#define CFE_MI_RESERVED 0 /* memory is reserved, do not use */ -#define CFE_MI_AVAILABLE 1 /* memory is available */ - -#define CFE_FLG_WARMSTART 0x00000001 -#define CFE_FLG_FULL_ARENA 0x00000001 -#define CFE_FLG_ENV_PERMANENT 0x00000001 - -#define CFE_CPU_CMD_START 1 -#define CFE_CPU_CMD_STOP 0 - -#define CFE_STDHANDLE_CONSOLE 0 - -#define CFE_DEV_NETWORK 1 -#define CFE_DEV_DISK 2 -#define CFE_DEV_FLASH 3 -#define CFE_DEV_SERIAL 4 -#define CFE_DEV_CPU 5 -#define CFE_DEV_NVRAM 6 -#define CFE_DEV_CLOCK 7 -#define CFE_DEV_OTHER 8 -#define CFE_DEV_MASK 0x0F - -#define CFE_CACHE_FLUSH_D 1 -#define CFE_CACHE_INVAL_I 2 -#define CFE_CACHE_INVAL_D 4 -#define CFE_CACHE_INVAL_L2 8 - -#define CFE_FWI_64BIT 0x00000001 -#define CFE_FWI_32BIT 0x00000002 -#define CFE_FWI_RELOC 0x00000004 -#define CFE_FWI_UNCACHED 0x00000008 -#define CFE_FWI_MULTICPU 0x00000010 -#define CFE_FWI_FUNCSIM 0x00000020 -#define CFE_FWI_RTLSIM 0x00000040 - -typedef struct { - int64_t fwi_version; /* major, minor, eco version */ - int64_t fwi_totalmem; /* total installed mem */ - int64_t fwi_flags; /* various flags */ - int64_t fwi_boardid; /* board ID */ - int64_t fwi_bootarea_va; /* VA of boot area */ - int64_t fwi_bootarea_pa; /* PA of boot area */ - int64_t fwi_bootarea_size; /* size of boot area */ -} cfe_fwinfo_t; - - -/* - * cfe_strlen is handled specially: If already defined, it has been - * overridden in this environment with a standard strlen-like function. - */ -#ifdef cfe_strlen -# define CFE_API_STRLEN_CUSTOM -#else -# ifdef CFE_API_IMPL_NAMESPACE -# define cfe_strlen(a) __cfe_strlen(a) -# endif -int cfe_strlen(char *name); -#endif - -/* - * Defines and prototypes for functions which take no arguments. - */ -#ifdef CFE_API_IMPL_NAMESPACE -int64_t __cfe_getticks(void); -#define cfe_getticks() __cfe_getticks() -#else -int64_t cfe_getticks(void); -#endif - -/* - * Defines and prototypes for the rest of the functions. - */ -#ifdef CFE_API_IMPL_NAMESPACE -#define cfe_close(a) __cfe_close(a) -#define cfe_cpu_start(a,b,c,d,e) __cfe_cpu_start(a,b,c,d,e) -#define cfe_cpu_stop(a) __cfe_cpu_stop(a) -#define cfe_enumenv(a,b,d,e,f) __cfe_enumenv(a,b,d,e,f) -#define cfe_enummem(a,b,c,d,e) __cfe_enummem(a,b,c,d,e) -#define cfe_exit(a,b) __cfe_exit(a,b) -#define cfe_flushcache(a) __cfe_cacheflush(a) -#define cfe_getdevinfo(a) __cfe_getdevinfo(a) -#define cfe_getenv(a,b,c) __cfe_getenv(a,b,c) -#define cfe_getfwinfo(a) __cfe_getfwinfo(a) -#define cfe_getstdhandle(a) __cfe_getstdhandle(a) -#define cfe_init(a,b) __cfe_init(a,b) -#define cfe_inpstat(a) __cfe_inpstat(a) -#define cfe_ioctl(a,b,c,d,e,f) __cfe_ioctl(a,b,c,d,e,f) -#define cfe_open(a) __cfe_open(a) -#define cfe_read(a,b,c) __cfe_read(a,b,c) -#define cfe_readblk(a,b,c,d) __cfe_readblk(a,b,c,d) -#define cfe_setenv(a,b) __cfe_setenv(a,b) -#define cfe_write(a,b,c) __cfe_write(a,b,c) -#define cfe_writeblk(a,b,c,d) __cfe_writeblk(a,b,c,d) -#endif /* CFE_API_IMPL_NAMESPACE */ - -int cfe_close(int handle); -int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1); -int cfe_cpu_stop(int cpu); -int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen); -int cfe_enummem(int idx, int flags, uint64_t *start, uint64_t *length, - uint64_t *type); -int cfe_exit(int warm,int status); -int cfe_flushcache(int flg); -int cfe_getdevinfo(char *name); -int cfe_getenv(char *name, char *dest, int destlen); -int cfe_getfwinfo(cfe_fwinfo_t *info); -int cfe_getstdhandle(int flg); -int cfe_init(uint64_t handle,uint64_t ept); -int cfe_inpstat(int handle); -int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer, - int length, int *retlen, uint64_t offset); -int cfe_open(char *name); -int cfe_read(int handle, unsigned char *buffer, int length); -int cfe_readblk(int handle, int64_t offset, unsigned char *buffer, int length); -int cfe_setenv(char *name, char *val); -int cfe_write(int handle, unsigned char *buffer, int length); -int cfe_writeblk(int handle, int64_t offset, unsigned char *buffer, - int length); - -#endif /* CFE_API_H */ diff --git a/libgloss/mips/cfe_api_int.h b/libgloss/mips/cfe_api_int.h deleted file mode 100644 index 618211a13..000000000 --- a/libgloss/mips/cfe_api_int.h +++ /dev/null @@ -1,168 +0,0 @@ -/* From: CFE Id: cfe_api_int.h,v 1.21 2002/07/09 23:29:11 cgd Exp $ */ - -/* - * Copyright 2000, 2001, 2002 - * Broadcom Corporation. All rights reserved. - * - * This software is furnished under license and may be used and copied only - * in accordance with the following terms and conditions. Subject to these - * conditions, you may download, copy, install, use, modify and distribute - * modified or unmodified copies of this software in source and/or binary - * form. No title or ownership is transferred hereby. - * - * 1) Any source code used, modified or distributed must reproduce and - * retain this copyright notice and list of conditions as they appear in - * the source file. - * - * 2) No right is granted to use any trade name, trademark, or logo of - * Broadcom Corporation. The "Broadcom Corporation" name may not be - * used to endorse or promote products derived from this software - * without the prior written permission of Broadcom Corporation. - * - * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR - * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE - * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE - * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* ********************************************************************* - * - * Broadcom Common Firmware Environment (CFE) - * - * Device function prototypes File: cfe_api_int.h - * - * This header defines all internal types and macros for the - * library. This is stuff that's not exported to an app - * using the library. - * - * Authors: Mitch Lichtenberg, Chris Demetriou - * - ********************************************************************* */ - -#ifndef CFE_API_INT_H -#define CFE_API_INT_H - -/* ********************************************************************* - * Constants - ********************************************************************* */ - -#define CFE_CMD_FW_GETINFO 0 -#define CFE_CMD_FW_RESTART 1 -#define CFE_CMD_FW_BOOT 2 -#define CFE_CMD_FW_CPUCTL 3 -#define CFE_CMD_FW_GETTIME 4 -#define CFE_CMD_FW_MEMENUM 5 -#define CFE_CMD_FW_FLUSHCACHE 6 - -#define CFE_CMD_DEV_GETHANDLE 9 -#define CFE_CMD_DEV_ENUM 10 -#define CFE_CMD_DEV_OPEN 11 -#define CFE_CMD_DEV_INPSTAT 12 -#define CFE_CMD_DEV_READ 13 -#define CFE_CMD_DEV_WRITE 14 -#define CFE_CMD_DEV_IOCTL 15 -#define CFE_CMD_DEV_CLOSE 16 -#define CFE_CMD_DEV_GETINFO 17 - -#define CFE_CMD_ENV_ENUM 20 -#define CFE_CMD_ENV_GET 22 -#define CFE_CMD_ENV_SET 23 -#define CFE_CMD_ENV_DEL 24 - -#define CFE_CMD_MAX 32 - -#define CFE_CMD_VENDOR_USE 0x8000 /* codes above this are for customer use */ - -/* ********************************************************************* - * Structures - ********************************************************************* */ - -typedef uint64_t cfe_xuint_t; -typedef int64_t cfe_xint_t; -typedef int64_t cfe_xptr_t; - -typedef struct xiocb_buffer_s { - cfe_xuint_t buf_offset; /* offset on device (bytes) */ - cfe_xptr_t buf_ptr; /* pointer to a buffer */ - cfe_xuint_t buf_length; /* length of this buffer */ - cfe_xuint_t buf_retlen; /* returned length (for read ops) */ - cfe_xuint_t buf_ioctlcmd; /* IOCTL command (used only for IOCTLs) */ -} xiocb_buffer_t; - -#define buf_devflags buf_ioctlcmd /* returned device info flags */ - -typedef struct xiocb_inpstat_s { - cfe_xuint_t inp_status; /* 1 means input available */ -} xiocb_inpstat_t; - -typedef struct xiocb_envbuf_s { - cfe_xint_t enum_idx; /* 0-based enumeration index */ - cfe_xptr_t name_ptr; /* name string buffer */ - cfe_xint_t name_length; /* size of name buffer */ - cfe_xptr_t val_ptr; /* value string buffer */ - cfe_xint_t val_length; /* size of value string buffer */ -} xiocb_envbuf_t; - -typedef struct xiocb_cpuctl_s { - cfe_xuint_t cpu_number; /* cpu number to control */ - cfe_xuint_t cpu_command; /* command to issue to CPU */ - cfe_xuint_t start_addr; /* CPU start address */ - cfe_xuint_t gp_val; /* starting GP value */ - cfe_xuint_t sp_val; /* starting SP value */ - cfe_xuint_t a1_val; /* starting A1 value */ -} xiocb_cpuctl_t; - -typedef struct xiocb_time_s { - cfe_xint_t ticks; /* current time in ticks */ -} xiocb_time_t; - -typedef struct xiocb_exitstat_s { - cfe_xint_t status; -} xiocb_exitstat_t; - -typedef struct xiocb_meminfo_s { - cfe_xint_t mi_idx; /* 0-based enumeration index */ - cfe_xint_t mi_type; /* type of memory block */ - cfe_xuint_t mi_addr; /* physical start address */ - cfe_xuint_t mi_size; /* block size */ -} xiocb_meminfo_t; - -typedef struct xiocb_fwinfo_s { - cfe_xint_t fwi_version; /* major, minor, eco version */ - cfe_xint_t fwi_totalmem; /* total installed mem */ - cfe_xint_t fwi_flags; /* various flags */ - cfe_xint_t fwi_boardid; /* board ID */ - cfe_xint_t fwi_bootarea_va; /* VA of boot area */ - cfe_xint_t fwi_bootarea_pa; /* PA of boot area */ - cfe_xint_t fwi_bootarea_size; /* size of boot area */ - cfe_xint_t fwi_reserved1; - cfe_xint_t fwi_reserved2; - cfe_xint_t fwi_reserved3; -} xiocb_fwinfo_t; - -typedef struct cfe_xiocb_s { - cfe_xuint_t xiocb_fcode; /* IOCB function code */ - cfe_xint_t xiocb_status; /* return status */ - cfe_xint_t xiocb_handle; /* file/device handle */ - cfe_xuint_t xiocb_flags; /* flags for this IOCB */ - cfe_xuint_t xiocb_psize; /* size of parameter list */ - union { - xiocb_buffer_t xiocb_buffer; /* buffer parameters */ - xiocb_inpstat_t xiocb_inpstat; /* input status parameters */ - xiocb_envbuf_t xiocb_envbuf; /* environment function parameters */ - xiocb_cpuctl_t xiocb_cpuctl; /* CPU control parameters */ - xiocb_time_t xiocb_time; /* timer parameters */ - xiocb_meminfo_t xiocb_meminfo; /* memory arena info parameters */ - xiocb_fwinfo_t xiocb_fwinfo; /* firmware information */ - xiocb_exitstat_t xiocb_exitstat; /* Exit Status */ - } plist; -} cfe_xiocb_t; - -#endif /* CFE_API_INT_H */ diff --git a/libgloss/mips/cfe_error.h b/libgloss/mips/cfe_error.h deleted file mode 100644 index a12af4b03..000000000 --- a/libgloss/mips/cfe_error.h +++ /dev/null @@ -1,101 +0,0 @@ -/* From: CFE Id: cfe_error.h,v 1.2 2002/07/09 19:37:52 cgd Exp $ */ - -/* - * Copyright 2000, 2001, 2002 - * Broadcom Corporation. All rights reserved. - * - * This software is furnished under license and may be used and copied only - * in accordance with the following terms and conditions. Subject to these - * conditions, you may download, copy, install, use, modify and distribute - * modified or unmodified copies of this software in source and/or binary - * form. No title or ownership is transferred hereby. - * - * 1) Any source code used, modified or distributed must reproduce and - * retain this copyright notice and list of conditions as they appear in - * the source file. - * - * 2) No right is granted to use any trade name, trademark, or logo of - * Broadcom Corporation. The "Broadcom Corporation" name may not be - * used to endorse or promote products derived from this software - * without the prior written permission of Broadcom Corporation. - * - * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR - * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE - * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE - * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* ********************************************************************* - * - * Broadcom Common Firmware Environment (CFE) - * - * Error codes File: cfe_error.h - * - * CFE's global error code list is here. - * - * Author: Mitch Lichtenberg - * - ********************************************************************* */ - - -#define CFE_OK 0 -#define CFE_ERR -1 /* generic error */ -#define CFE_ERR_INV_COMMAND -2 -#define CFE_ERR_EOF -3 -#define CFE_ERR_IOERR -4 -#define CFE_ERR_NOMEM -5 -#define CFE_ERR_DEVNOTFOUND -6 -#define CFE_ERR_DEVOPEN -7 -#define CFE_ERR_INV_PARAM -8 -#define CFE_ERR_ENVNOTFOUND -9 -#define CFE_ERR_ENVREADONLY -10 - -#define CFE_ERR_NOTELF -11 -#define CFE_ERR_NOT32BIT -12 -#define CFE_ERR_WRONGENDIAN -13 -#define CFE_ERR_BADELFVERS -14 -#define CFE_ERR_NOTMIPS -15 -#define CFE_ERR_BADELFFMT -16 -#define CFE_ERR_BADADDR -17 - -#define CFE_ERR_FILENOTFOUND -18 -#define CFE_ERR_UNSUPPORTED -19 - -#define CFE_ERR_HOSTUNKNOWN -20 - -#define CFE_ERR_TIMEOUT -21 - -#define CFE_ERR_PROTOCOLERR -22 - -#define CFE_ERR_NETDOWN -23 -#define CFE_ERR_NONAMESERVER -24 - -#define CFE_ERR_NOHANDLES -25 -#define CFE_ERR_ALREADYBOUND -26 - -#define CFE_ERR_CANNOTSET -27 -#define CFE_ERR_NOMORE -28 -#define CFE_ERR_BADFILESYS -29 -#define CFE_ERR_FSNOTAVAIL -30 - -#define CFE_ERR_INVBOOTBLOCK -31 -#define CFE_ERR_WRONGDEVTYPE -32 -#define CFE_ERR_BBCHECKSUM -33 -#define CFE_ERR_BOOTPROGCHKSUM -34 - -#define CFE_ERR_LDRNOTAVAIL -35 - -#define CFE_ERR_NOTREADY -36 - -#define CFE_ERR_GETMEM -37 -#define CFE_ERR_SETMEM -38 - -#define CFE_ERR_NOTCONN -39 -#define CFE_ERR_ADDRINUSE -40 diff --git a/libgloss/mips/cfe_prestart.S b/libgloss/mips/cfe_prestart.S deleted file mode 100644 index 4a1db5392..000000000 --- a/libgloss/mips/cfe_prestart.S +++ /dev/null @@ -1,66 +0,0 @@ -/* - * cfe_prestart.S -- startup file for MIPS running CFE. - * Derived from crt0.S. - * - * Copyright (c) 1995, 1996, 1997 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#ifdef __mips16 -/* This file contains 32 bit assembly code. */ - .set nomips16 -#endif - -#include "regs.S" - -/* This is for referencing addresses that are not in the .sdata or - .sbss section under embedded-pic, or before we've set up gp. */ -#ifdef __mips_embedded_pic -# ifdef __mips64 -# define LA(t,x) la t,x-PICBASE ; daddu t,s0,t -# else -# define LA(t,x) la t,x-PICBASE ; addu t,s0,t -# endif -#else /* __mips_embedded_pic */ -# define LA(t,x) la t,x -#endif /* __mips_embedded_pic */ - - .globl __cfe_handle - .globl __cfe_entrypt - - .text - .align 2 - - .globl _prestart - .ent _prestart -_prestart: - .set noreorder -#ifdef __mips_embedded_pic - PICBASE = .+8 - bal PICBASE - nop - move s0,$31 -#endif - - /* These are actually pointers, but they're guaranteed to be - in compatibility space and it's just easier to store them - as words ("unsigned int") than worry about the actual - pointer size of the runtime we're building. */ - LA (v0, __cfe_handle) - sw a0, 0(v0) - LA (v0, __cfe_entrypt) - sw a2, 0(v0) - - LA (v0, _start) - jr v0 - nop - .end _prestart diff --git a/libgloss/mips/cma101.c b/libgloss/mips/cma101.c deleted file mode 100644 index 5456eaf5a..000000000 --- a/libgloss/mips/cma101.c +++ /dev/null @@ -1,314 +0,0 @@ -/* - * cma101.c -- lo-level support for Cogent CMA101 development board. - * - * Copyright (c) 1996, 2001, 2002 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#ifdef __mips16 -/* The assembler portions of this file need to be re-written to - support mips16, if and when that seems useful. -*/ -#error cma101.c can not be compiled -mips16 -#endif - - -#include <time.h> /* standard ANSI time routines */ - -/* Normally these would appear in a header file for external - use. However, we are only building a simple example world at the - moment: */ - -#include "regs.S" - -#if defined(MIPSEB) -#define BYTEREG(b,o) ((volatile unsigned char *)(PHYS_TO_K1((b) + (o) + 7))) -#endif /* MIPSEB */ -#if defined(MIPSEL) -#define BYTEREG(b,o) ((volatile unsigned char *)(PHYS_TO_K1((b) + (o)))) -#endif /* MIPSEL */ - -/* I/O addresses: */ -#define RTCLOCK_BASE (0x0E800000) /* Mk48T02 NVRAM/RTC */ -#define UART_BASE (0x0E900000) /* NS16C552 DUART */ -#define LCD_BASE (0x0EB00000) /* Alphanumeric display */ - -/* LCD panel manifests: */ -#define LCD_DATA BYTEREG(LCD_BASE,0) -#define LCD_CMD BYTEREG(LCD_BASE,8) - -#define LCD_STAT_BUSY (0x80) -#define LCD_SET_DDADDR (0x80) - -/* RTC manifests */ -/* The lo-offsets are the NVRAM locations (0x7F8 bytes) */ -#define RTC_CONTROL BYTEREG(RTCLOCK_BASE,0x3FC0) -#define RTC_SECS BYTEREG(RTCLOCK_BASE,0x3FC8) -#define RTC_MINS BYTEREG(RTCLOCK_BASE,0x3FD0) -#define RTC_HOURS BYTEREG(RTCLOCK_BASE,0x3FD8) -#define RTC_DAY BYTEREG(RTCLOCK_BASE,0x3FE0) -#define RTC_DATE BYTEREG(RTCLOCK_BASE,0x3FE8) -#define RTC_MONTH BYTEREG(RTCLOCK_BASE,0x3FF0) -#define RTC_YEAR BYTEREG(RTCLOCK_BASE,0x3FF8) - -#define RTC_CTL_LOCK_READ (0x40) /* lock RTC whilst reading */ -#define RTC_CTL_LOCK_WRITE (0x80) /* lock RTC whilst writing */ - -/* Macro to force out-standing memory transfers to complete before - next sequence. For the moment we assume that the processor in the - CMA101 board supports at least ISA II. */ -#define DOSYNC() asm(" .set mips2 ; sync ; .set mips0") - -/* We disable interrupts by writing zero to all of the masks, and the - global interrupt enable bit: */ -#define INTDISABLE(sr,tmp) asm("\ - .set mips2 ; \ - mfc0 %0,$12 ; \ - lui %1,0xffff ; \ - ori %1,%1,0xfffe ; \ - and %1, %0, %1 ; \ - mtc0 %1,$12 ; \ - .set mips0" : "=d" (sr), "=d" (tmp)) -#define INTRESTORE(sr) asm("\ - .set mips2 ; \ - mtc0 %0,$12 ; \ - .set mips0" : : "d" (sr)) - -/* TODO:FIXME: The CPU card support should be in separate source file - from the standard CMA101 support provided in this file. */ - -/* The CMA101 board being used contains a CMA257 Vr4300 CPU: - MasterClock is at 33MHz. PClock is derived from MasterClock by - multiplying by the ratio defined by the DivMode pins: - DivMode(1:0) MasterClock PClock Ratio - 00 100MHz 100MHz 1:1 - 01 100MHz 150MHz 1.5:1 - 10 100MHz 200MHz 2:1 - 11 100Mhz 300MHz 3:1 - - Are these pins reflected in the EC bits in the CONFIG register? or - is that talking about a different clock multiplier? - 110 = 1 - 111 = 1.5 - 000 = 2 - 001 = 3 - (all other values are undefined) -*/ - -#define MASTERCLOCK (33) /* ticks per uS */ -unsigned int pclock; /* number of PClock ticks per uS */ -void -set_pclock (void) -{ - unsigned int config; - asm volatile ("mfc0 %0,$16 ; nop ; nop" : "=r" (config)); /* nasty CP0 register constant */ - switch ((config >> 28) & 0x7) { - case 0x7 : /* 1.5:1 */ - pclock = (MASTERCLOCK + (MASTERCLOCK / 2)); - break; - - case 0x0 : /* 2:1 */ - pclock = (2 * MASTERCLOCK); - break; - - case 0x1 : /* 3:1 */ - pclock = (3 * MASTERCLOCK); - break; - - case 0x6 : /* 1:1 */ - default : /* invalid configuration, so assume the lowest */ - pclock = MASTERCLOCK; - break; - } - - return; -} - -#define PCLOCK_WAIT(x) __cpu_timer_poll((x) * pclock) - -/* NOTE: On the Cogent CMA101 board the LCD controller will sometimes - return not-busy, even though it is. The work-around is to perform a - ~50uS delay before checking the busy signal. */ - -static int -lcd_busy (void) -{ - PCLOCK_WAIT(50); /* 50uS delay */ - return(*LCD_CMD & LCD_STAT_BUSY); -} - -/* Note: This code *ASSUMES* that the LCD has already been initialised - by the monitor. It only provides code to write to the LCD, and is - not a complete device driver. */ - -void -lcd_display (int line, const char *msg) -{ - int n; - - if (lcd_busy ()) - return; - - *LCD_CMD = (LCD_SET_DDADDR | (line == 1 ? 0x40 : 0x00)); - - for (n = 0; n < 16; n++) { - if (lcd_busy ()) - return; - if (*msg) - *LCD_DATA = *msg++; - else - *LCD_DATA = ' '; - } - - return; -} - -#define SM_PATTERN (0x55AA55AA) -#define SM_INCR ((256 << 10) / sizeof(unsigned int)) /* 64K words */ - -extern unsigned int __buserr_count(void); -extern void __default_buserr_handler(void); -extern void __restore_buserr_handler(void); - -/* Allow the user to provide his/her own defaults. */ -unsigned int __sizemem_default; - -unsigned int -__sizemem () -{ - volatile unsigned int *base; - volatile unsigned int *probe; - unsigned int baseorig; - unsigned int sr; - extern void *end; - char *endptr = (char *)&end; - int extra; - - /* If the linker script provided a value for the memory size (or the user - overrode it in a debugger), use that. */ - if (__sizemem_default) - return __sizemem_default; - - /* If we are running in kernel segment 0 (possibly cached), try sizing memory - in kernel segment 1 (uncached) to avoid some problems with monitors. */ - if (endptr >= K0BASE_ADDR && endptr < K1BASE_ADDR) - endptr = (endptr - K0BASE_ADDR) + K1BASE_ADDR; - - INTDISABLE(sr,baseorig); /* disable all interrupt masks */ - - __default_buserr_handler(); - __cpu_flush(); - - DOSYNC(); - - /* _end is the end of the user program. _end may not be properly aligned - for an int pointer, so we adjust the address to make sure it is safe. - We use void * arithmetic to avoid accidentally truncating the pointer. */ - - extra = ((int) endptr & (sizeof (int) - 1)); - base = ((void *) endptr + sizeof (int) - extra); - baseorig = *base; - - *base = SM_PATTERN; - /* This assumes that the instructions fetched between the store, and - the following read will have changed the data bus contents: */ - if (*base == SM_PATTERN) { - probe = base; - for (;;) { - unsigned int probeorig; - probe += SM_INCR; - probeorig = *probe; - /* Check if a bus error occurred: */ - if (!__buserr_count()) { - *probe = SM_PATTERN; - DOSYNC(); - if (*probe == SM_PATTERN) { - *probe = ~SM_PATTERN; - DOSYNC(); - if (*probe == ~SM_PATTERN) { - if (*base == SM_PATTERN) { - *probe = probeorig; - continue; - } - } - } - *probe = probeorig; - } - break; - } - } - - *base = baseorig; - __restore_buserr_handler(); - __cpu_flush(); - - DOSYNC(); - - INTRESTORE(sr); /* restore interrupt mask to entry state */ - - return((probe - base) * sizeof(unsigned int)); -} - -/* Provided as a function, so as to avoid reading the I/O location - multiple times: */ -static int -convertbcd(byte) - unsigned char byte; -{ - return ((((byte >> 4) & 0xF) * 10) + (byte & 0xF)); -} - -time_t -time (_timer) - time_t *_timer; -{ - time_t result = 0; - struct tm tm; - *RTC_CONTROL |= RTC_CTL_LOCK_READ; - DOSYNC(); - - tm.tm_sec = convertbcd(*RTC_SECS); - tm.tm_min = convertbcd(*RTC_MINS); - tm.tm_hour = convertbcd(*RTC_HOURS); - tm.tm_mday = convertbcd(*RTC_DATE); - tm.tm_mon = convertbcd(*RTC_MONTH); - tm.tm_year = convertbcd(*RTC_YEAR); - - DOSYNC(); - *RTC_CONTROL &= ~(RTC_CTL_LOCK_READ | RTC_CTL_LOCK_WRITE); - - tm.tm_isdst = 0; - - /* Check for invalid time information */ - if ((tm.tm_sec < 60) && (tm.tm_min < 60) && (tm.tm_hour < 24) - && (tm.tm_mday < 32) && (tm.tm_mon < 13)) { - - /* Get the correct year number, but keep it in YEAR-1900 form: */ - if (tm.tm_year < 70) - tm.tm_year += 100; - -#if 0 /* NOTE: mon_printf() can only accept 4 arguments (format string + 3 fields) */ - mon_printf("[DBG: s=%d m=%d h=%d]", tm.tm_sec, tm.tm_min, tm.tm_hour); - mon_printf("[DBG: d=%d m=%d y=%d]", tm.tm_mday, tm.tm_mon, tm.tm_year); -#endif - - /* Convert the time-structure into a second count */ - result = mktime (&tm); - } - - if (_timer != NULL) - *_timer = result; - - return (result); -} - -/*> EOF cma101.c <*/ diff --git a/libgloss/mips/configure b/libgloss/mips/configure deleted file mode 100755 index 94cc44db8..000000000 --- a/libgloss/mips/configure +++ /dev/null @@ -1,1269 +0,0 @@ -#! /bin/sh - -# Guess values for system-dependent variables and create Makefiles. -# Generated automatically using autoconf version 2.13 -# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc. -# -# This configure script is free software; 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No written agreement, -# license, or royalty fee is required for any of the authorized uses. -# Modifications to this software may be copyrighted by their authors -# and need not follow the licensing terms described here, provided that -# the new terms are clearly indicated on the first page of each file where -# they apply. -# -# Process this file with autoconf to produce a configure script. -# -AC_PREREQ(2.5)dnl -AC_INIT(crt0.S) - -if test "${enable_shared}" = "yes" ; then - echo "Shared libraries not supported for cross compiling, ignored" -fi - -if test "$srcdir" = "." ; then - if test "${with_target_subdir}" != "." ; then - libgloss_topdir="${srcdir}/${with_multisrctop}../../.." - else - libgloss_topdir="${srcdir}/${with_multisrctop}../.." - fi -else - libgloss_topdir="${srcdir}/../.." -fi -AC_CONFIG_AUX_DIR($libgloss_topdir) - -AC_CANONICAL_SYSTEM -AC_ARG_PROGRAM - -AC_PROG_INSTALL - -# FIXME: We temporarily define our own version of AC_PROG_CC. This is -# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We -# are building a library that must be included in all links, so we -# can't link an executable until this lib is built. -# autoconf should provide a way to do this. - -AC_DEFUN(LIB_AC_PROG_CC, -[AC_BEFORE([$0], [AC_PROG_CPP])dnl -AC_CHECK_PROG(CC, gcc, gcc) -if test -z "$CC"; then - AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) - test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) -fi - -AC_PROG_CC_GNU - -if test $ac_cv_prog_gcc = yes; then - GCC=yes -dnl Check whether -g works, even if CFLAGS is set, in case the package -dnl plays around with CFLAGS (such as to build both debugging and -dnl normal versions of a library), tasteless as that idea is. - ac_test_CFLAGS="${CFLAGS+set}" - ac_save_CFLAGS="$CFLAGS" - CFLAGS= - AC_PROG_CC_G - if test "$ac_test_CFLAGS" = set; then - CFLAGS="$ac_save_CFLAGS" - elif test $ac_cv_prog_cc_g = yes; then - CFLAGS="-g -O2" - else - CFLAGS="-O2" - fi -else - GCC= - test "${CFLAGS+set}" = set || CFLAGS="-g" -fi -]) - -LIB_AC_PROG_CC -AS=${AS-as} -AC_SUBST(AS) -AR=${AR-ar} -AC_SUBST(AR) -LD=${LD-ld} -AC_SUBST(LD) -AC_PROG_RANLIB - -crt0=crt0.o -pcrt0=pcrt0.o - -case "${target}" in - mips*-tx39*-*|mipstx39*-*-*) - part_specific_obj= - part_specific_defines= - script_list="dve idt jmr3904app jmr3904dram jmr3904dram-java jmr3904app-java" - bsp_list="libdve.a libidt.a libjmr3904.a" - ;; - mips*-lsi*-*) - part_specific_obj=entry.o - part_specific_defines= - script_list="lsi" - bsp_list=liblsi.a - ;; - mips64vr5*-*-*) - part_specific_obj="vr5xxx.o cma101.o" - part_specific_defines=-DR5000 - script_list="idt pmon ddb ddb-kseg0 lsi idtecoff nullmon" - bsp_list="libidt.a libpmon.a liblsi.a libnullmon.a" - ;; - mipsisa32*-*-*) - part_specific_obj= - part_specific_defines= - script_list="idt32 idt64 cfe" - bsp_list="libidt.a libcfe.a" - ;; - *) - part_specific_obj="vr4300.o cma101.o" - part_specific_defines= - script_list="idt pmon ddb ddb-kseg0 lsi cfe idtecoff nullmon" - bsp_list="libidt.a libpmon.a liblsi.a libcfe.a libnullmon.a" - ;; -esac - -host_makefile_frag=${srcdir}/../config/default.mh -target_makefile_frag=${srcdir}/../config/mips.mt - -dnl We have to assign the same value to other variables because autoconf -dnl doesn't provide a mechanism to substitute a replacement keyword with -dnl arbitrary data or pathnames. -dnl -host_makefile_frag_path=$host_makefile_frag -AC_SUBST(host_makefile_frag_path) -AC_SUBST_FILE(host_makefile_frag) -target_makefile_frag_path=$target_makefile_frag -AC_SUBST(target_makefile_frag_path) -AC_SUBST_FILE(target_makefile_frag) -AC_SUBST(part_specific_obj) -AC_SUBST(part_specific_defines) -AC_SUBST(script_list) -AC_SUBST(bsp_list) -AC_SUBST(crt0) -AC_SUBST(pcrt0) - -AC_OUTPUT(Makefile, -. ${libgloss_topdir}/config-ml.in, -srcdir=${srcdir} -target=${target} -ac_configure_args="${ac_configure_args} --enable-multilib" -CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} -libgloss_topdir=${libgloss_topdir} -) diff --git a/libgloss/mips/crt0.S b/libgloss/mips/crt0.S deleted file mode 100644 index 1cc430402..000000000 --- a/libgloss/mips/crt0.S +++ /dev/null @@ -1,276 +0,0 @@ -/* - * crt0.S -- startup file for MIPS. - * - * Copyright (c) 1995, 1996, 1997, 2001 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#ifdef __mips16 -/* This file contains 32 bit assembly code. */ - .set nomips16 -#endif - -#include "regs.S" - -/* - * Set up some room for a stack. We just grab a chunk of memory. - */ -#define STACK_SIZE 0x4000 -#define GLOBAL_SIZE 0x2000 - -#define STARTUP_STACK_SIZE 0x0100 - -/* This is for referencing addresses that are not in the .sdata or - .sbss section under embedded-pic, or before we've set up gp. */ -#ifdef __mips_embedded_pic -# ifdef __mips64 -# define LA(t,x) la t,x-PICBASE ; daddu t,s0,t -# else -# define LA(t,x) la t,x-PICBASE ; addu t,s0,t -# endif -#else /* __mips_embedded_pic */ -# define LA(t,x) la t,x -#endif /* __mips_embedded_pic */ - - .comm __memsize, 12 - .comm __lstack, STARTUP_STACK_SIZE - .comm __stackbase,4 - - .text - .align 2 - -/* Without the following nop, GDB thinks _start is a data variable. - * This is probably a bug in GDB in handling a symbol that is at the - * start of the .text section. - */ - nop - - .globl hardware_hazard_hook .text - .globl _start - .ent _start -_start: - .set noreorder -#ifdef __mips_embedded_pic -#define PICBASE start_PICBASE - PICBASE = .+8 - bal PICBASE - nop - move s0,$31 -#endif -#if (__mips < 3) || (__mips_fpr==32) -#define STATUS_MASK (SR_CU1|SR_PE) -#else -# For mips3 or mips4, turn on 64-bit addressing and additional float regs -#define STATUS_MASK (SR_CU1|SR_PE|SR_FR|SR_KX|SR_SX|SR_UX) -#endif - li v0, STATUS_MASK - mtc0 v0, C0_SR - mtc0 zero, C0_CAUSE - nop - - /* Avoid hazard from FPU enable and other SR changes. */ - LA (t0, hardware_hazard_hook) - beq t0,zero,1f - nop - jal t0 - nop -1: - -/* Check for FPU presence. Don't check if we know that soft_float is - being used. (This also avoids illegal instruction exceptions.) */ - -#ifndef __mips_soft_float - li t2,0xAAAA5555 - mtc1 t2,fp0 /* write to FPR 0 */ - mtc1 zero,fp1 /* write to FPR 1 */ - mfc1 t0,fp0 - mfc1 t1,fp1 - nop - bne t0,t2,1f /* check for match */ - nop - bne t1,zero,1f /* double check */ - nop - j 2f /* FPU is present. */ - nop -#endif -1: - /* FPU is not present. Set status register to say that. */ - li v0, (STATUS_MASK-(STATUS_MASK & SR_CU1)) - mtc0 v0, C0_SR - nop - /* Avoid hazard from FPU disable. */ - LA (t0, hardware_hazard_hook) - beq t0,zero,2f - nop - jal t0 - nop -2: - - -/* Fix high bits, if any, of the PC so that exception handling - doesn't get confused. */ - LA (v0, 3f) - jr v0 - nop -3: - LA (gp, _gp) # set the global data pointer - .end _start - -/* - * zero out the bss section. - */ - .globl __memsize - .globl get_mem_info .text - .globl __stack - .globl __global - .ent zerobss -zerobss: - LA (v0, _fbss) - LA (v1, _end) -3: - sw zero,0(v0) - bltu v0,v1,3b - addiu v0,v0,4 # executed in delay slot - - la t0, __lstack # make a small stack so we - addiu sp, t0, STARTUP_STACK_SIZE # can run some C code - la a0, __memsize # get the usable memory size - jal get_mem_info - nop - - /* setup the stack pointer */ - LA (t0, __stack) # is __stack set ? - bne t0,zero,4f - nop - - /* NOTE: a0[0] contains the amount of memory available, and - not the last memory address. */ - lw t0,0(a0) # last address of memory available - la t1,K0BASE # cached kernel memory - addu t0,t0,t1 # get the end of memory address - /* We must subtract 24 bytes for the 3 8 byte arguments to main, in - case main wants to write them back to the stack. The caller is - supposed to allocate stack space for parameters in registers in - the old MIPS ABIs. We must do this even though we aren't passing - arguments, because main might be declared to have them. - - Some ports need a larger alignment for the stack, so we subtract - 32, which satisifes the stack for the arguments and keeps the - stack pointer better aligned. */ - subu t0,t0,32 # and generate a starting stack-pointer -4: - move sp,t0 # set stack pointer - sw sp,__stackbase # keep this for future ref - .end zerobss - -/* - * initialize target specific stuff. Only execute these - * functions it they exist. - */ - .globl hardware_init_hook .text - .globl software_init_hook .text - .type _fini,@function - .type _init,@function - .globl atexit .text - .globl exit .text - .ent init -init: - LA (t9, hardware_init_hook) # init the hardware if needed - beq t9,zero,6f - nop - jal t9 - nop -6: - LA (t9, software_init_hook) # init the hardware if needed - beq t9,zero,7f - nop - jal t9 - nop -7: - LA (a0, _fini) - jal atexit - nop - -#ifdef GCRT0 - .globl _ftext - .globl _extext - LA (a0, _ftext) - LA (a1, _etext) - jal monstartup - nop -#endif - - jal _init # run global constructors - nop - - move a0,zero # set argc to 0 - jal main # call the program start function - nop - - # fall through to the "exit" routine - jal exit # call libc exit to run the G++ - # destructors - move a0,v0 # pass through the exit code - .end init - -/* Assume the PICBASE set up above is no longer valid below here. */ -#ifdef __mips_embedded_pic -#undef PICBASE -#endif - -/* - * _exit -- Exit from the application. Normally we cause a user trap - * to return to the ROM monitor for another run. NOTE: This is - * the only other routine we provide in the crt0.o object, since - * it may be tied to the "_start" routine. It also allows - * executables that contain a complete world to be linked with - * just the crt0.o object. - */ - .globl hardware_exit_hook .text - .globl _exit - .ent _exit -_exit: -7: -#ifdef __mips_embedded_pic - /* Need to reinit PICBASE, since we might be called via exit() - rather than via a return path which would restore old s0. */ -#define PICBASE exit_PICBASE - PICBASE = .+8 - bal PICBASE - nop - move s0,$31 -#endif -#ifdef GCRT0 - LA (t0, _mcleanup) - jal t0 - nop -#endif - LA (t0, hardware_exit_hook) - beq t0,zero,1f - nop - jal t0 - nop -1: - - # break instruction can cope with 0xfffff, but GAS limits the range: - break 1023 - nop - b 7b # but loop back just in-case - nop - .end _exit - -/* Assume the PICBASE set up above is no longer valid below here. */ -#ifdef __mips_embedded_pic -#undef PICBASE -#endif - -/* EOF crt0.S */ diff --git a/libgloss/mips/ddb-kseg0.ld b/libgloss/mips/ddb-kseg0.ld deleted file mode 100644 index 8ec1e8e1a..000000000 --- a/libgloss/mips/ddb-kseg0.ld +++ /dev/null @@ -1,157 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -lpmon -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0x80100000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - end = .; - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/ddb.ld b/libgloss/mips/ddb.ld deleted file mode 100644 index 524ac8d83..000000000 --- a/libgloss/mips/ddb.ld +++ /dev/null @@ -1,157 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -lpmon -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0xA0100000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - end = .; - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/dtor.C b/libgloss/mips/dtor.C deleted file mode 100644 index 2cfcb4665..000000000 --- a/libgloss/mips/dtor.C +++ /dev/null @@ -1,25 +0,0 @@ -#include <stdio.h> - -extern "C" void print (char *, ...); - -class foo -{ -public: - foo () { print ("ctor\n"); } - ~foo () { print ("dtor\n"); } -}; - -foo x; - -main () -{ - outbyte ('&'); - outbyte ('@'); - outbyte ('$'); - outbyte ('%'); - print ("FooBar\r\n"); - - /* whew, we made it */ - print ("\r\nDone...\r\n"); - fflush(stdout); -} diff --git a/libgloss/mips/dve.ld b/libgloss/mips/dve.ld deleted file mode 100644 index 5c15514d4..000000000 --- a/libgloss/mips/dve.ld +++ /dev/null @@ -1,158 +0,0 @@ -/* Linker script for Densan DVE-R3900/20A board */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:3000") -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -ldve -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0xA0040000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - CONSTRUCTORS - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - end = .; - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/dvemon.c b/libgloss/mips/dvemon.c deleted file mode 100644 index 16b49da06..000000000 --- a/libgloss/mips/dvemon.c +++ /dev/null @@ -1,83 +0,0 @@ -/* dve.c -- I/O code for the Densan DVE-R3900 board. - * - * Copyright (c) 1998, 1999 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -/* Flag indicating that we are being debugged by GDB. If set, - preceded each character output to the console with a ^O, - so that GDB will print it instead of discarding it. */ - -int output_debug = 1; - -/* Monitor "ci" function (console input) */ - -typedef int (*cifunc)(int waitflag); -#ifdef __mips64 -static cifunc ci = (cifunc) 0xffffffffbfc00010L; -#else -static cifunc ci = (cifunc) 0xbfc00010; -#endif - -#define WAIT 1 -#define NOWAIT 0 -#define NOCHAR (-1) - -/* Monitor "co" function (console output) */ - -typedef void (*cofunc)(int c); -#ifdef __mips64 -static cofunc co = (cofunc) 0xffffffffbfc00018L; -#else -static cofunc co = (cofunc) 0xbfc00018; -#endif - -/* outbyte -- shove a byte out the serial port; used by write.c. */ - -int -outbyte(byte) - unsigned char byte; -{ - /* Output a ^O prefix so that GDB won't discard the output. */ - if (output_debug) - co (0x0f); - - co (byte); - return byte; -} - -/* inbyte -- get a byte from the serial port; used by read.c. */ - -unsigned char -inbyte() -{ - return (unsigned char) ci (WAIT); -} - - -/* Structure filled in by get_mem_info. Only the size field is - actually used (by sbrk), so the others aren't even filled in. */ - -struct s_mem -{ - unsigned int size; - unsigned int icsize; - unsigned int dcsize; -}; - - -void -get_mem_info (mem) - struct s_mem *mem; -{ - mem->size = 0x1000000; /* DVE-R3900 board has 16 MB of RAM */ -} diff --git a/libgloss/mips/entry.S b/libgloss/mips/entry.S deleted file mode 100644 index 3630c552f..000000000 --- a/libgloss/mips/entry.S +++ /dev/null @@ -1,281 +0,0 @@ -/* entry.S - exception handler for emulating MIPS16 'entry' and 'exit' - pseudo-instructions. These instructions are generated by the compiler - when the -mentry switch is used. The instructions are not implemented - in the MIPS16 CPU; hence the exception handler that emulates them. - - This module contains the following public functions: - - * void __install_entry_handler(void); - - This function installs the entry/exit exception handler. It should - be called before executing any MIPS16 functions that were compiled with - -mentry, typically before main() is called. - - * void __remove_entry_handler(void); - - This function removes the entry/exit exception handler. It should - be called when the program is exiting, or when it is known that no - more MIPS16 functions compiled with -mentry will be called. -*/ - -#ifdef __mips16 -/* This file contains 32 bit assembly code. */ - .set nomips16 -#endif - -#include "regs.S" - -#define CAUSE_EXCMASK 0x3c /* mask for ExcCode in Cause Register */ -#define EXC_RI 0x28 /* 101000 == 10 << 2 */ - -/* Set DEBUG to 1 to enable recording of the last 16 interrupt causes. */ - -#define DEBUG 0 - -#if DEBUG - - .sdata -int_count: - .space 4 /* interrupt count modulo 16 */ -int_cause: - .space 4*16 /* last 16 interrupt causes */ -#endif - - .text - - .set noreorder /* Do NOT reorder instructions */ - - -/* __entry_exit_handler - the reserved instruction exception handler - that emulates the entry and exit instruction. */ - -__entry_exit_handler: - .set noat /* Do NOT use at register */ -#if DEBUG -/* Must avoid using 'la' pseudo-op because it uses gp register, which - may not have a good value in an exception handler. */ - -# la k0, int_count /* intcount = (intcount + 1) & 0xf */ - lui k0 ,%hi(int_count) - addiu k0, k0 ,%lo(int_count) - lw k1, (k0) - addiu k1, k1, 1 - andi k1, k1, 0x0f - sw k1, (k0) -# la k0, int_cause /* k1 = &int_cause[intcount] */ - lui k0, %hi(int_cause) - addiu k0, k0, %lo(int_cause) - sll k1, k1, 2 - add k1, k1, k0 -#endif - mfc0 k0, C0_CAUSE /* Fetch cause */ -#if DEBUG - sw k0, -4(k1) /* Save exception cause in buffer */ -#endif - mfc0 k1, C0_EPC /* Check for Reserved Inst. without */ - and k0, CAUSE_EXCMASK /* destroying any register */ - subu k0, EXC_RI - bne k0, zero, check_others /* Sorry, go do something else */ - - and k0, k1, 1 /* Check for TR mode (pc.0 = 1) */ - beq k0, zero, ri_in_32 /* Sorry, RI in 32-bit mode */ - xor k1, 1 - -/* Since we now are going to emulate or die, we can use all the T-registers */ -/* that MIPS16 does not use (at, t0-t8), and we don't have to save them. */ - - .set at /* Now it's ok to use at again */ - -#if 0 - j leave - rfe -#endif - - lhu t0, 0(k1) /* Fetch the offending instruction */ - xor t8, k1, 1 /* Prepare t8 for exit */ - and t1, t0, 0xf81f /* Check for entry/exit opcode */ - bne t1, 0xe809, other_ri - -deareg: and t1, t0, 0x0700 /* Isolate the three a-bits */ - srl t1, 6 /* Adjust them so x4 is applied */ - slt t2, t1, 17 /* See if this is the exit instruction */ - beqz t2, doexit - la t2, savea - subu t2, t1 - jr t2 /* Jump into the instruction table */ - rfe /* We run the rest in user-mode */ - - /* This is the entry instruction! */ - sw a3, 12(sp) /* 4: a0-a3 saved */ - sw a2, 8(sp) /* 3: a0-a2 saved */ - sw a1, 4(sp) /* 2: a0-a1 saved */ - sw a0, 0(sp) /* 1: a0 saved */ -savea: /* 0: No arg regs saved */ - -dera: and t1, t0, 0x0020 /* Isolate the save-ra bit */ - move t7, sp /* Temporary SP */ - beq t1, zero, desreg - subu sp, 32 /* Default SP adjustment */ - sw ra, -4(t7) - subu t7, 4 - -desreg: and t1, t0, 0x00c0 /* Isolate the two s-bits */ - beq t1, zero, leave - subu t1, 0x0040 - beq t1, zero, leave /* Only one to save... */ - sw s0, -4(t7) /* Do the first one */ - sw s1, -8(t7) /* Do the last one */ - -leave: jr t8 /* Exit to unmodified EPC */ - nop /* Urgh - the only nop!! */ - -doexf0: mtc1 v0,$f0 /* Copy float value */ - b doex2 - -doexf1: mtc1 v1,$f0 /* Copy double value */ - mtc1 v0,$f1 - b doex2 - -doexit: slt t2, t1, 21 - beq t2, zero, doexf0 - slt t2, t1, 25 - beq t2, zero, doexf1 - -doex2: and t1, t0, 0x0020 /* Isolate ra bit */ - beq t1, zero, dxsreg /* t1 holds ra-bit */ - addu t7, sp, 32 /* Temporary SP */ - lw ra, -4(t7) - subu t7, 4 - -dxsreg: and t1, t0, 0x00c0 /* Isolate the two s-bits */ - beq t1, zero, leavex - subu t1, 0x0040 - beq t1, zero, leavex /* Only one to save... */ - lw s0, -4(t7) /* Do the first one */ - lw s1, -8(t7) /* Do the last one */ - -leavex: jr ra /* Exit to ra */ - addu sp, 32 /* Clean up stack pointer */ - -/* Come here for exceptions we can't handle. */ - -ri_in_32: -other_ri: -check_others: /* call the previous handler */ - la k0,__previous - jr k0 - nop - -__exception_code: - .set noreorder - la k0, __entry_exit_handler -# lui k0, %hi(exception) -# addiu k0, k0, %lo(exception) - jr k0 - nop - .set reorder -__exception_code_end: - - .data -__previous: - .space (__exception_code_end - __exception_code) - .text - - -/* void __install_entry_handler(void) - - Install our entry/exit reserved instruction exception handler. -*/ - .ent __install_entry_handler - .globl __install_entry_handler -__install_entry_handler: - .set noreorder - mfc0 a0,C0_SR - nop - li a1,SR_BEV - and a1,a1,a0 - beq a1,$0,baseaddr - lui a0,0x8000 /* delay slot */ - lui a0,0xbfc0 - addiu a0,a0,0x0100 -baseaddr: - addiu a0,a0,0x080 /* a0 = base vector table address */ - li a1,(__exception_code_end - __exception_code) - la a2,__exception_code - la a3,__previous -/* there must be a better way of doing this???? */ -copyloop: - lw v0,0(a0) - sw v0,0(a3) - lw v0,0(a2) - sw v0,0(a0) - addiu a0,a0,4 - addiu a2,a2,4 - addiu a3,a3,4 - subu a1,a1,4 - bne a1,$0,copyloop - nop - j ra - nop - .set reorder - .end __install_entry_handler - - -/* void __remove_entry_handler(void); - - Remove our entry/exit reserved instruction exception handler. -*/ - - .ent __remove_entry_handler - .globl __remove_entry_handler -__remove_entry_handler: - .set noreorder - - mfc0 a0,C0_SR - nop - li a1,SR_BEV - and a1,a1,a0 - beq a1,$0,res_baseaddr - lui a0,0x8000 /* delay slot */ - lui a0,0xbfc0 - addiu a0,a0,0x0200 -res_baseaddr: - addiu a0,a0,0x0180 /* a0 = base vector table address */ - li a1,(__exception_code_end - __exception_code) - la a3,__previous - -/* there must be a better way of doing this???? */ -res_copyloop: - lw v0,0(a3) - sw v0,0(a0) - addiu a0,a0,4 - addiu a3,a3,4 - subu a1,a1,4 - bne a1,$0,res_copyloop - nop - j ra - nop - .set reorder - .end __remove_entry_handler - - -/* software_init_hook - install entry/exit handler and arrange to have it - removed at exit. This function is called by crt0.S. */ - - .text - .globl software_init_hook - .ent software_init_hook -software_init_hook: - .set noreorder - subu sp, sp, 8 /* allocate stack space */ - sw ra, 4(sp) /* save return address */ - jal __install_entry_handler /* install entry/exit handler */ - nop - lui a0, %hi(__remove_entry_handler) /* arrange for exit to */ - jal atexit /* de-install handler */ - addiu a0, a0, %lo(__remove_entry_handler) /* delay slot */ - lw ra, 4(sp) /* get return address */ - j ra /* return */ - addu sp, sp, 8 /* deallocate stack */ - .set reorder - .end software_init_hook diff --git a/libgloss/mips/idt.ld b/libgloss/mips/idt.ld deleted file mode 100644 index 1b0550dbe..000000000 --- a/libgloss/mips/idt.ld +++ /dev/null @@ -1,164 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. i.e. the NEC VR4300 (IDT) first free address is actually - 0xa001af20. */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -lidt -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0xA0020000; - .text : { - _ftext = . ; - PROVIDE (eprol = .); - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - } - .init : { - *(.init) - } - .fini : { - *(.fini) - } - .rel.sdata : { - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - } - PROVIDE (etext = .); - _etext = .; - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - PROVIDE (edata = .); - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - PROVIDE (end = .); - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/idt32.ld b/libgloss/mips/idt32.ld deleted file mode 100644 index a8f31c373..000000000 --- a/libgloss/mips/idt32.ld +++ /dev/null @@ -1,166 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. This linker script links isa32 programs for use with the - simulator. */ - -ENTRY(_start) -OUTPUT_ARCH("mips:isa32") -OUTPUT_FORMAT("elf32-littlemips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -lidt -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; -STARTUP(crt0.o) - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0x80020000; - .text : { - _ftext = . ; - PROVIDE (eprol = .); - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - } - .init : { - *(.init) - } - .fini : { - *(.fini) - } - .rel.sdata : { - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - } - PROVIDE (etext = .); - _etext = .; - - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - PROVIDE (edata = .); - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - PROVIDE (end = .); - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/idt64.ld b/libgloss/mips/idt64.ld deleted file mode 100644 index aa2f1bab4..000000000 --- a/libgloss/mips/idt64.ld +++ /dev/null @@ -1,165 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. This linker script links isa32 programs for use with the - simulator. */ - -ENTRY(_start) -OUTPUT_ARCH("mips:isa64") -OUTPUT_FORMAT("elf32-littlemips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -lidt -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; -STARTUP(crt0.o) - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0x80020000; - .text : { - _ftext = . ; - PROVIDE (eprol = .); - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - } - .init : { - *(.init) - } - .fini : { - *(.fini) - } - .rel.sdata : { - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - } - PROVIDE (etext = .); - _etext = .; - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - PROVIDE (edata = .); - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - PROVIDE (end = .); - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/idtecoff.ld b/libgloss/mips/idtecoff.ld deleted file mode 100644 index 2910db687..000000000 --- a/libgloss/mips/idtecoff.ld +++ /dev/null @@ -1,95 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. i.e. the NEC VR4300 (IDT) first free address is actually - 0xa001af20. */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:4000") -OUTPUT_FORMAT("ecoff-bigmips", "ecoff-bigmips", "ecoff-littlemips") -GROUP(-lc -lidt -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0xA0020000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - . = .; - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - CONSTRUCTORS - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - end = .; - _end = .; -} diff --git a/libgloss/mips/idtmon.S b/libgloss/mips/idtmon.S deleted file mode 100644 index bb1538812..000000000 --- a/libgloss/mips/idtmon.S +++ /dev/null @@ -1,46 +0,0 @@ -/* - * idtmon.S -- lo-level entry points into IDT monitor. - * - * Copyright (c) 1996 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#ifdef __mips16 -/* This file contains 32 bit assembly code. */ - .set nomips16 -#endif - -#include "regs.S" - - .text - .align 2 - -/* Provide named functions for entry into the IDT monitor: */ -#define INDIRECT(name,index) \ - .globl name; \ - .ent name; \ -name: la $2,+(0xbfc00000+((index)*8)); \ - j $2; \ - .end name - -/* The following magic numbers are for the slots into the IDT monitor: */ -INDIRECT(open,6) -INDIRECT(read,7) -INDIRECT(write,8) -INDIRECT(close,10) -INDIRECT(inbyte,11) -INDIRECT(outbyte,12) -INDIRECT(mon_printf,16) -INDIRECT(_flush_cache,28) -INDIRECT(get_mem_info,55) /* expects pointer to three word vector */ - -/* EOF idtmon.S */ diff --git a/libgloss/mips/jmr3904-io.c b/libgloss/mips/jmr3904-io.c deleted file mode 100644 index 8d4300739..000000000 --- a/libgloss/mips/jmr3904-io.c +++ /dev/null @@ -1,104 +0,0 @@ - - -#define READ_UINT8( _register_, _value_ ) \ - ((_value_) = *((volatile unsigned char *)(_register_))) - -#define WRITE_UINT8( _register_, _value_ ) \ - (*((volatile unsigned char *)(_register_)) = (_value_)) - - /* - Board specific addresses for serial chip */ -#define DIAG_BASE 0xfffff300 -#define DIAG_SLCR (DIAG_BASE+0x00) -#define DIAG_SLSR (DIAG_BASE+0x04) -#define DIAG_SLDICR (DIAG_BASE+0x08) -#define DIAG_SLDISR (DIAG_BASE+0x0C) -#define DIAG_SFCR (DIAG_BASE+0x10) -#define DIAG_SBRG (DIAG_BASE+0x14) -#define DIAG_TFIFO (DIAG_BASE+0x20) -#define DIAG_RFIFO (DIAG_BASE+0x30) - -#define BRG_T0 0x0000 -#define BRG_T2 0x0100 -#define BRG_T4 0x0200 -#define BRG_T5 0x0300 - - -#define READ_UINT16( _register_, _value_ ) \ - ((_value_) = *((volatile unsigned short *)(_register_))) - -#define WRITE_UINT16( _register_, _value_ ) \ - (*((volatile unsigned short *)(_register_)) = (_value_)) - -unsigned char -inbyte (void) -{ - unsigned char c; - unsigned short disr; - - for (;;) - { - READ_UINT16 (DIAG_SLDISR, disr); - if (disr & 0x0001) - break; - } - disr = disr & ~0x0001; - READ_UINT8 (DIAG_RFIFO, c); - WRITE_UINT16 (DIAG_SLDISR, disr); - return c; -} - -void -outbyte (unsigned char c) -{ - unsigned short disr; - - for (;;) - { - READ_UINT16 (DIAG_SLDISR, disr); - if (disr & 0x0002) - break; - } - disr = disr & ~0x0002; - WRITE_UINT8 (DIAG_TFIFO, c); - WRITE_UINT16 (DIAG_SLDISR, disr); -} - -/* Stuff required to setup IO on this board */ -void board_serial_init (void) -{ - WRITE_UINT16 (DIAG_SLCR, 0x0020); - WRITE_UINT16 (DIAG_SLDICR, 0x0000); - WRITE_UINT16 (DIAG_SFCR, 0x0000); - WRITE_UINT16 (DIAG_SBRG, BRG_T2 | 5); -} - -/* If you want this to be initialized as part of the stuff which gets called - by crt0, it should be named 'hardware_init_hook'. - Local implementations may want to move or add to this function OR - do the initializations after main() is entered. -*/ -void hardware_init_hook(void) -{ - board_serial_init() ; -} - -/* Structure filled in by get_mem_info. Only the size field is - actually used (by sbrk), so the others aren't even filled in. */ - -struct s_mem -{ - unsigned int size; - unsigned int icsize; - unsigned int dcsize; -}; - -/* mem_size is provided in the linker script so that we don't have to - define it here. */ -extern char _mem_size[]; - -void -get_mem_info (mem) - struct s_mem *mem; -{ - mem->size = (unsigned int)_mem_size; -} diff --git a/libgloss/mips/jmr3904app-java.ld b/libgloss/mips/jmr3904app-java.ld deleted file mode 100644 index 3759d0b3c..000000000 --- a/libgloss/mips/jmr3904app-java.ld +++ /dev/null @@ -1,130 +0,0 @@ -/* Linker script forJMR 3904 board using Java + qthreads */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:3000") -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -ljmr3904 -lgcc -lgcjcoop) -SEARCH_DIR(.) -__DYNAMIC = 0; - -PROVIDE (_mem_size = 0x100000); /* JMR3904 comes as standard with 512k of RAM */ - -/* Set the size of the stack for Java with qthreads. */ -PROVIDE (_Jv_QthreadsStackSize = 0x10000); - -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0x80008000; - /* This is NOT the address which fits with the monitor from jmr. */ - /* It fits the Cygmon ROMS */ - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - CONSTRUCTORS - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - . += 0x2000 ; /* 8k bytes of stack. */ - __stack = ALIGN(64) ; - . = __stack ; - } - - end = .; - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/jmr3904app.ld b/libgloss/mips/jmr3904app.ld deleted file mode 100644 index b64f83af2..000000000 --- a/libgloss/mips/jmr3904app.ld +++ /dev/null @@ -1,159 +0,0 @@ -/* Linker script forJMR 3904 board */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:3000") -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -ljmr3904 -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -PROVIDE (_mem_size = 0x100000); /* JMR3904 comes as standard with 512k of RAM */ - -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0x80008000; - /* This is NOT the address which fits with the monitor from jmr. */ - /* It fits the Cygmon ROMS */ - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - . += 0x2000 ; /* 8k bytes of stack. */ - __stack = ALIGN(64) ; - . = __stack ; - } - - end = .; - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/jmr3904dram-java.ld b/libgloss/mips/jmr3904dram-java.ld deleted file mode 100644 index 3bf777c48..000000000 --- a/libgloss/mips/jmr3904dram-java.ld +++ /dev/null @@ -1,133 +0,0 @@ -/* Linker script forJMR 3904 board using Java + qthreads */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:3000") -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -ljmr3904 -lgcc -lgcjcoop) -SEARCH_DIR(.) -__DYNAMIC = 0; - -PROVIDE (_mem_size = 0x100000); /* JMR3904 comes as standard with 512k of RAM */ - /* but this is 1 Mb */ - -/* Set the size of the stack for Java with qthreads. */ -PROVIDE (_Jv_QthreadsStackSize = 0x10000); - -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - /* Load everything into DRAM, except for the stack. Put stack in SRAM */ - . = 0x88000000; - /* This is NOT the address which fits with the monitor from jmr. */ - /* It fits the Cygmon ROMS */ - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - . = .; - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - CONSTRUCTORS - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - end = .; - _end = .; - - /* Put stack in SRAM (8 Kb); this size is the same as the stack from - the original script (when everything was in SRAM). */ - __stack = 0x8000A000; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/jmr3904dram.ld b/libgloss/mips/jmr3904dram.ld deleted file mode 100644 index 67be2b532..000000000 --- a/libgloss/mips/jmr3904dram.ld +++ /dev/null @@ -1,130 +0,0 @@ -/* Linker script forJMR 3904 board */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:3000") -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -ljmr3904 -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -PROVIDE (_mem_size = 0x100000); /* JMR3904 comes as standard with 512k of RAM */ - /* but this is 1 Mb */ - -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - /* Load everything into DRAM, except for the stack. Put stack in SRAM */ - . = 0x88000000; - /* This is NOT the address which fits with the monitor from jmr. */ - /* It fits the Cygmon ROMS */ - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - . = .; - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - CONSTRUCTORS - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - end = .; - _end = .; - - /* Put stack in SRAM (8 Kb); this size is the same as the stack from - the original script (when everything was in SRAM). */ - __stack = 0x8000A000; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/lsi.ld b/libgloss/mips/lsi.ld deleted file mode 100644 index 7b62a5c25..000000000 --- a/libgloss/mips/lsi.ld +++ /dev/null @@ -1,124 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:4000") -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -llsi -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0xA0020000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - CONSTRUCTORS - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - end = .; - _end = .; -} diff --git a/libgloss/mips/lsi33k-stub.c b/libgloss/mips/lsi33k-stub.c deleted file mode 100644 index dc0b86ac6..000000000 --- a/libgloss/mips/lsi33k-stub.c +++ /dev/null @@ -1,595 +0,0 @@ -/**************************************************************************** - * - * Module name: remcom.c $ - * Revision: 1.34 $ - * Date: 91/03/09 12:29:49 $ - * Contributor: Lake Stevens Instrument Division$ - * - * Description: low level support for gdb debugger. $ - * - * Considerations: only works on target hardware $ - * - * Written by: Glenn Engel $ - * ModuleState: Experimental $ - * - * NOTES: See Below $ - * - * Modified for SPARC by Stu Grossman, Cygnus Support. - * - * This code has been extensively tested on the Fujitsu SPARClite demo board. - * - * To enable debugger support, two things need to happen. One, a - * call to set_debug_traps() is necessary in order to allow any breakpoints - * or error conditions to be properly intercepted and reported to gdb. - * Two, a breakpoint needs to be generated to begin communication. This - * is most easily accomplished by a call to breakpoint(). Breakpoint() - * simulates a breakpoint by executing a trap #1. - * - ************* - * - * The following gdb commands are supported: - * - * command function Return value - * - * g return the value of the CPU registers hex data or ENN - * G set the value of the CPU registers OK or ENN - * - * mAA..AA,LLLL Read LLLL bytes at address AA..AA hex data or ENN - * MAA..AA,LLLL: Write LLLL bytes at address AA.AA OK or ENN - * - * c Resume at current address SNN ( signal NN) - * cAA..AA Continue at address AA..AA SNN - * - * s Step one instruction SNN - * sAA..AA Step one instruction from AA..AA SNN - * - * k kill - * - * ? What was the last sigval ? SNN (signal NN) - * - * bBB..BB Set baud rate to BB..BB OK or BNN, then sets - * baud rate - * - * All commands and responses are sent with a packet which includes a - * checksum. A packet consists of - * - * $<packet info>#<checksum>. - * - * where - * <packet info> :: <characters representing the command or response> - * <checksum> :: < two hex digits computed as modulo 256 sum of <packetinfo>> - * - * When a packet is received, it is first acknowledged with either '+' or '-'. - * '+' indicates a successful transfer. '-' indicates a failed transfer. - * - * Example: - * - * Host: Reply: - * $m0,10#2a +$00010203040506070809101112131415#42 - * - ****************************************************************************/ - -#include <string.h> -#include <signal.h> -#include "dbgmon.h" -#include "parser.h" -#include "ctype.h" - -/************************************************************************ - * - * external low-level support routines - */ - -extern putchar(); /* write a single character */ -extern getchar(); /* read and return a single char */ - -/************************************************************************/ - -/* Stuff for stdio-like gets_debugger_check() */ - -#define CTRL(x) ('x'&0x1f) -#define DEL 0x7f -#define INTR CTRL(C) -#define BELL 0x7 -#define PROMPT "? " - -#define BUFSIZE 512 /* Big enough for register packets */ - -static int initialized = 0; /* !0 means we've been initialized */ - -static char hexchars[]="0123456789abcdef"; - -extern unsigned int _regs[]; /* Saved registers from client */ - -/* Convert ch from a hex digit to an int */ - -static int -hex(ch) - unsigned char ch; -{ - if (ch >= 'a' && ch <= 'f') - return ch-'a'+10; - if (ch >= '0' && ch <= '9') - return ch-'0'; - if (ch >= 'A' && ch <= 'F') - return ch-'A'+10; - return -1; -} - -/* scan for the sequence $<data>#<checksum> */ - -static void -getpacket(buffer) - char *buffer; -{ - unsigned char checksum; - unsigned char xmitcsum; - int i; - int count; - unsigned char ch; - - /* At this point, the start character ($) has been received through - * the debug monitor parser. Get the remaining characters and - * process them. - */ - - checksum = 0; - xmitcsum = -1; - count = 0; - - /* read until a # or end of buffer is found */ - - while (count < BUFSIZE) - { - ch = getchar(); - if (ch == '#') - break; - checksum = checksum + ch; - buffer[count] = ch; - count = count + 1; - } - - if (count >= BUFSIZE) - buffer[count] = 0; - - if (ch == '#') - { - xmitcsum = hex(getchar()) << 4; - xmitcsum |= hex(getchar()); -#if 0 - /* Humans shouldn't have to figure out checksums to type to it. */ - putchar ('+'); - return; -#endif - - if (checksum != xmitcsum) - { - putchar('-'); /* failed checksum */ - return; /* Back to monitor loop */ - } - else - { - putchar('+'); /* successful transfer */ - - /* if a sequence char is present, reply the sequence ID */ - - if (buffer[2] == ':') - { - putchar(buffer[0]); - putchar(buffer[1]); - - /* remove sequence chars from buffer */ - - count = strlen(buffer); - for (i=3; i <= count; i++) - buffer[i-3] = buffer[i]; - } - - /* Buffer command received- go and process it. */ - - - } - } -} - - -/* send the packet in buffer. */ - -static void -putpacket(buffer) - unsigned char *buffer; -{ - unsigned char checksum; - int count; - unsigned char ch; - - /* $<packet info>#<checksum>. */ - do - { - putchar('$'); - checksum = 0; - count = 0; - - while (ch = buffer[count]) - { - if (! putchar(ch)) - return; - checksum += ch; - count += 1; - } - - putchar('#'); - putchar(hexchars[checksum >> 4]); - putchar(hexchars[checksum & 0xf]); - - } - while (getchar() != '+'); -} - -static char remcomInBuffer[BUFSIZE]; -static char remcomOutBuffer[BUFSIZE]; - -/* Indicate to caller of mem2hex or hex2mem that there has been an error. */ - -static volatile int mem_err = 0; - -/* Convert the memory pointed to by mem into hex, placing result in buf. - * Return a pointer to the last char put in buf (null), in case of mem fault, - * return 0. - * If MAY_FAULT is non-zero, then we will handle memory faults by returning - * a 0, else treat a fault like any other fault in the stub. - */ - -static unsigned char * -mem2hex(mem, buf, count, may_fault) - unsigned char *mem; - unsigned char *buf; - int count; - int may_fault; -{ - unsigned char ch; - - while (count-- > 0) - { - ch = *mem++; - if (mem_err) - return 0; - *buf++ = hexchars[ch >> 4]; - *buf++ = hexchars[ch & 0xf]; - } - - *buf = 0; - - return buf; -} - -/* convert the hex array pointed to by buf into binary to be placed in mem - * return a pointer to the character AFTER the last byte written */ - -static char * -hex2mem(buf, mem, count, may_fault) - unsigned char *buf; - unsigned char *mem; - int count; - int may_fault; -{ - int i; - unsigned char ch; - - for (i=0; i<count; i++) - { - ch = hex(*buf++) << 4; - ch |= hex(*buf++); - *mem++ = ch; - if (mem_err) - return 0; - } - - return mem; -} - -/* This table contains the mapping between SPARC hardware trap types, and - signals, which are primarily what GDB understands. It also indicates - which hardware traps we need to commandeer when initializing the stub. */ - -static struct hard_trap_info -{ - unsigned char tt; /* Trap type code for SPARClite */ - unsigned char signo; /* Signal that we map this trap into */ -} hard_trap_info[] = { - {0x06, SIGSEGV}, /* instruction access error */ - {0x0a, SIGILL}, /* privileged instruction */ - {0x0a, SIGILL}, /* illegal instruction */ - {0x0b, SIGEMT}, /* cp disabled */ - {0x07, SIGSEGV}, /* data access exception */ - {0x09, SIGTRAP}, /* ta 1 - normal breakpoint instruction */ - {0, 0} /* Must be last */ -}; - -/* Convert the SPARC hardware trap type code to a unix signal number. */ - -static int -computeSignal(tt) - int tt; -{ - struct hard_trap_info *ht; - - for (ht = hard_trap_info; ht->tt && ht->signo; ht++) - if (ht->tt == tt) - return ht->signo; - - return SIGHUP; /* default for things we don't know about */ -} - -/* - * While we find nice hex chars, build an int. - * Return number of chars processed. - */ - -static int -hexToInt(char **ptr, int *intValue) -{ - int numChars = 0; - int hexValue; - - *intValue = 0; - - while (**ptr) - { - hexValue = hex(**ptr); - if (hexValue < 0) - break; - - *intValue = (*intValue << 4) | hexValue; - numChars ++; - - (*ptr)++; - } - - return (numChars); -} - -/* This function lets GDB know that an exception has occured. */ - -static void -debug_handle_exception () -{ - int tt; /* Trap type */ - int sigval; - char *ptr; - - tt = (_regs[R_CAUSE] >> 2) & 0x0f; - - /* reply to host that an exception has occurred */ - sigval = computeSignal(tt); - ptr = remcomOutBuffer; - - *ptr++ = 'T'; - *ptr++ = hexchars[sigval >> 4]; - *ptr++ = hexchars[sigval & 0xf]; - - *ptr++ = hexchars[R_EPC >> 4]; - *ptr++ = hexchars[R_EPC & 0xf]; - *ptr++ = ':'; - ptr = mem2hex((char *)&_regs[R_EPC], ptr, 4, 0); - *ptr++ = ';'; - - *ptr++ = hexchars[R_FP >> 4]; - *ptr++ = hexchars[R_FP & 0xf]; - *ptr++ = ':'; - ptr = mem2hex((char *)&_regs[R_FP], ptr, 4, 0); - *ptr++ = ';'; - - *ptr++ = hexchars[R_SP >> 4]; - *ptr++ = hexchars[R_SP & 0xf]; - *ptr++ = ':'; - ptr = mem2hex((char *)&_regs[R_SP], ptr, 4, 0); - *ptr++ = ';'; - - *ptr++ = 0; - - putpacket(remcomOutBuffer); - - return; -} - - -void process_packet() -{ - - char *ptr; - int length; - int addr; - int sigval; - int tt; /* Trap type */ - - remcomOutBuffer[0] = 0; - getpacket(remcomInBuffer); - switch (remcomInBuffer[0]) - { - -/* Return Last SIGVAL */ - -case '?': - tt = (_regs[R_CAUSE] >> 2) & 0x0f; - sigval = computeSignal(tt); - remcomOutBuffer[0] = 'S'; - remcomOutBuffer[1] = hexchars[sigval >> 4]; - remcomOutBuffer[2] = hexchars[sigval & 0xf]; - remcomOutBuffer[3] = 0; - break; - - /* toggle debug flag */ - - case 'd': - break; - - /* Return the values of the CPU registers */ - - case 'g': - ptr = remcomOutBuffer; - ptr = mem2hex((char *)_regs, ptr, 32 * 4, 0); /* General Purpose Registers */ - ptr = mem2hex((char *)&_regs[R_EPC], ptr, 9 * 4, 0); /* CP0 Registers */ - break; - - /* set the value of the CPU registers - return OK */ - - case 'G': - ptr = &remcomInBuffer[1]; - hex2mem(ptr, (char *)_regs, 32 * 4, 0); /* General Purpose Registers */ - hex2mem(ptr + 32 * 4 * 2, (char *)&_regs[R_EPC], 9 * 4, 0); /* CP0 Registers */ - strcpy(remcomOutBuffer,"OK"); - break; - - /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */ - - case 'm': - ptr = &remcomInBuffer[1]; - if (hexToInt(&ptr, &addr) && *ptr++ == ',' && hexToInt(&ptr, &length)) - { - if (mem2hex((char *)addr, remcomOutBuffer, length, 1)) - break; - strcpy (remcomOutBuffer, "E03"); - } - else - strcpy(remcomOutBuffer,"E01"); - break; - - /* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */ - - case 'M': - ptr = &remcomInBuffer[1]; - if (hexToInt(&ptr, &addr) && *ptr++ == ',' && hexToInt(&ptr, &length) && *ptr++ == ':') - { - if (hex2mem(ptr, (char *)addr, length, 1)) - strcpy(remcomOutBuffer, "OK"); - else - strcpy(remcomOutBuffer, "E03"); - } - else - strcpy(remcomOutBuffer, "E02"); - break; - - /* cAA..AA Continue at address AA..AA(optional) */ - - case 'c': - - /* try to read optional parameter, pc unchanged if no parm */ - - ptr = &remcomInBuffer[1]; - if (hexToInt(&ptr, &addr)) - { - gdb_go ( addr ); - } - else - { - dbg_cont(); - } - return; - - /* kill the program */ - - case 'k': - break; - - /* Reset */ - - case 'r': - break; - - /* switch */ - - } - - /* Reply to the request */ - - putpacket(remcomOutBuffer); -} - - -/* - * gets_debugger_check - This is the same as the stdio gets, but we also - * check for a leading $ in the buffer. This so we - * gracefully handle the GDB protocol packets. - */ - -char * -gets_debugger_check(buf) -char *buf; -{ - register char c; - char *bufp; - - bufp = buf; - for (;;) - { - c = getchar(); - switch (c) - { - - /* quote next char */ - - case '$': - if ( buf == bufp ) - process_packet(); - break; - - case CTRL(V): - c = getchar(); - if (bufp < &buf[LINESIZE-3]) - { - rmw_byte (bufp++,c); - showchar(c); - } - else - { - putchar(BELL); - } - break; - - case '\n': - case '\r': - putchar('\n'); - rmw_byte (bufp,0); - return(buf); - - case CTRL(H): - case DEL: - if (bufp > buf) - { - bufp--; - putchar(CTRL(H)); - putchar(' '); - putchar(CTRL(H)); - } - break; - - case CTRL(U): - if (bufp > buf) - { - printf("^U\n%s", PROMPT); - bufp = buf; - } - break; - - case '\t': - c = ' '; - - default: - /* - * Make sure there's room for this character - * plus a trailing \n and 0 byte - */ - if (isprint(c) && bufp < &buf[LINESIZE-3]) - { - rmw_byte ( bufp++, c ); - putchar(c); - } - else - { - putchar(BELL); - } - break; - } - } -} diff --git a/libgloss/mips/lsi33k-stub.h b/libgloss/mips/lsi33k-stub.h deleted file mode 100644 index f885c271c..000000000 --- a/libgloss/mips/lsi33k-stub.h +++ /dev/null @@ -1,179 +0,0 @@ -/*STARTINC - * - * COPYRIGHT (C) 1991, 1992 ARRAY TECHNOLOGY CORPORATION - * All Rights Reserved - * - * This software is confidential information which is proprietary to and - * a trade secret of ARRAY Technology Corporation. Use, duplication, or - * disclosure is subject to the terms of a separate license agreement. - * - * - * NAME: - * - * - * DESCRIPTION: - * - * - *ENDINC - */ - -/* %Q% %I% %M% */ - -/* - * Copyright 1985 by MIPS Computer Systems, Inc. - */ - -/* - * dbgmon.h -- debugging monitor definitions - */ - -/* - * catch bogus compiles - */ -#if defined(MIPSEB) && defined(MIPSEL) -# include "error -- both MIPSEB and MIPSEL defined" -#endif - -#if !defined(MIPSEB) && !defined(MIPSEL) -# include "error -- neither MIPSEB or MIPSEL defined" -#endif - -/* - * PROM_STACK is the address of the first word above the prom stack - * the prom stack grows downward from the first word less than PROM_STACK - */ -#define PROM_STACK 0xa0010000 - -/* - * register names - */ -#define R_R0 0 -#define R_R1 1 -#define R_R2 2 -#define R_R3 3 -#define R_R4 4 -#define R_R5 5 -#define R_R6 6 -#define R_R7 7 -#define R_R8 8 -#define R_R9 9 -#define R_R10 10 -#define R_R11 11 -#define R_R12 12 -#define R_R13 13 -#define R_R14 14 -#define R_R15 15 -#define R_R16 16 -#define R_R17 17 -#define R_R18 18 -#define R_R19 19 -#define R_R20 20 -#define R_R21 21 -#define R_R22 22 -#define R_R23 23 -#define R_R24 24 -#define R_R25 25 -#define R_R26 26 -#define R_R27 27 -#define R_R28 28 -#define R_R29 29 -#define R_R30 30 -#define R_R31 31 -#define R_F0 32 -#define R_F1 33 -#define R_F2 34 -#define R_F3 35 -#define R_F4 36 -#define R_F5 37 -#define R_F6 38 -#define R_F7 39 -#define R_F8 40 -#define R_F9 41 -#define R_F10 42 -#define R_F11 43 -#define R_F12 44 -#define R_F13 45 -#define R_F14 46 -#define R_F15 47 -#define R_F16 48 -#define R_F17 49 -#define R_F18 50 -#define R_F19 51 -#define R_F20 52 -#define R_F21 53 -#define R_F22 54 -#define R_F23 55 -#define R_F24 56 -#define R_F25 57 -#define R_F26 58 -#define R_F27 59 -#define R_F28 60 -#define R_F29 61 -#define R_F30 62 -#define R_F31 63 -#define R_EPC 64 -#define R_MDHI 65 -#define R_MDLO 66 -#define R_SR 67 -#define R_CAUSE 68 -#define R_BADVADDR 69 -#define R_DCIC 70 -#define R_BPC 71 -#define R_BDA 72 -#define R_EXCTYPE 73 -#define NREGS 74 - -/* - * compiler defined bindings - */ -#define R_ZERO R_R0 -#define R_AT R_R1 -#define R_V0 R_R2 -#define R_V1 R_R3 -#define R_A0 R_R4 -#define R_A1 R_R5 -#define R_A2 R_R6 -#define R_A3 R_R7 -#define R_T0 R_R8 -#define R_T1 R_R9 -#define R_T2 R_R10 -#define R_T3 R_R11 -#define R_T4 R_R12 -#define R_T5 R_R13 -#define R_T6 R_R14 -#define R_T7 R_R15 -#define R_S0 R_R16 -#define R_S1 R_R17 -#define R_S2 R_R18 -#define R_S3 R_R19 -#define R_S4 R_R20 -#define R_S5 R_R21 -#define R_S6 R_R22 -#define R_S7 R_R23 -#define R_T8 R_R24 -#define R_T9 R_R25 -#define R_K0 R_R26 -#define R_K1 R_R27 -#define R_GP R_R28 -#define R_SP R_R29 -#define R_FP R_R30 -#define R_RA R_R31 - -/* - * memory reference widths - */ -#define SW_BYTE 1 -#define SW_HALFWORD 2 -#define SW_WORD 4 - -/* - * Monitor modes - */ -#define MODE_DBGMON 0 /* debug monitor is executing */ -#define MODE_CLIENT 1 /* client is executing */ - -/* - * String constants - */ -#define DEFAULT_STRLEN 70 /* default max strlen for string cmd */ - diff --git a/libgloss/mips/lsipmon.S b/libgloss/mips/lsipmon.S deleted file mode 100644 index f9083d6c5..000000000 --- a/libgloss/mips/lsipmon.S +++ /dev/null @@ -1,2 +0,0 @@ -#define LSI 1 -#include "pmon.S" diff --git a/libgloss/mips/nullmon.c b/libgloss/mips/nullmon.c deleted file mode 100644 index 12a157e8b..000000000 --- a/libgloss/mips/nullmon.c +++ /dev/null @@ -1,69 +0,0 @@ -/* nullmon.c - Stub or monitor services. - * - * Copyright (c) 1998 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -/* This is a ROMSTUB - Various libraries in libgloss may reference board specific services. - These are often performed by system calls and by rom specific - interfaces such as dvemon.c This file defines the null interface in - which the rom monitor either does not exist or is not used. - Linking with this file supports applications which only exercise - the processor, specifically, the GDB test suite. - By linking this object in rather than a monitor specific support - we can insure that the testsuite will run without references or - linkages to nonexistent monitor services. - Similarly, every service provided by this file muse be provided by all - monitor speciifc interfaces. - PLEASE DO NOT MAKE THIS FILE SPECIFIC TO ANY MONITOR - */ - -/* This form is giving linker relocation errors */ -#if ! defined(BOARD_MEM_SIZE) -#define BOARD_MEM_SIZE 0x100000 /* About a megabyte */ -#endif -extern unsigned char _ftext ; /* Defined in nullmon.ld */ -extern unsigned char _end ; /* Defined in nullmon.ld */ - -#if defined(FIXME_WARNINGS) -#warning("FIXME: struct s_mem belongs in a header file") -#endif -struct s_mem -{ unsigned int size; - unsigned int icsize; - unsigned int dcsize; -}; - -void -get_mem_info (mem) - struct s_mem *mem; -{ char * t1, * t2 ; - unsigned long long tmp ; - t1 = & _ftext ; - t2 = & _end ; - tmp = (unsigned long long) (t2 - t1) ; - tmp = (unsigned long long) BOARD_MEM_SIZE - tmp ; - mem->size = tmp ; -} - -/* SYSTEM INTERFACE - Since we are defining a NULL operating environment here, I am - entering the stub definitions for the GNUpro libraries, System Calls. - I would rather not to even pretend to support these functions but, they - get pulled in by other libraries. -*/ - -int read(int file, char * ptr , int len) { return 0 ; } -int close (int file) { return -1 ; } -int write(int file , char * ptr, int len) { return 0 ; } -/*eof*/ diff --git a/libgloss/mips/nullmon.ld b/libgloss/mips/nullmon.ld deleted file mode 100644 index fcd823644..000000000 --- a/libgloss/mips/nullmon.ld +++ /dev/null @@ -1,159 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:4000") -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -lnullmon -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0xA0020000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - . = ALIGN(64) ; - end = .; - _end = .; - - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/pmon.S b/libgloss/mips/pmon.S deleted file mode 100644 index a4496c9e7..000000000 --- a/libgloss/mips/pmon.S +++ /dev/null @@ -1,177 +0,0 @@ -/* - * pmon.S -- low-level entry points into PMON monitor. - * - * Copyright (c) 1996, 1997 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#ifdef __mips16 -/* This file contains 32 bit assembly code. */ - .set nomips16 -#endif - -#if __mips < 3 - /* This machine does not support 64-bit operations. */ - #define ADDU addu - #define SUBU subu -#else - /* This machine supports 64-bit operations. */ - #define ADDU daddu - #define SUBU dsubu -#endif - -#include "regs.S" - - .text - .align 2 - -#ifdef LSI - #define PMON_VECTOR 0xffffffffbfc00200 -#else - #define PMON_VECTOR 0xffffffffbfc00500 -#endif - -#ifndef __mips_eabi -/* Provide named functions for entry into the monitor: */ -#define INDIRECT(name,index) \ - .globl name; \ - .ent name; \ - .set noreorder; \ -name: la $2,+(PMON_VECTOR+((index)*4)); \ - lw $2,0($2); \ - j $2; \ - nop; \ - .set reorder; \ - .end name - -#else -#define INDIRECT(name,index) \ - .globl name; \ - .ent name; \ - .set noreorder; \ -name: la $2,+(PMON_VECTOR+((index)*4)); \ - lw $2,0($2); \ - SUBU sp,sp,0x40; \ - sd ra,0x38(sp); \ - sd fp,0x30(sp); \ - jal $2; \ - move fp,sp; \ - ld ra,0x38(sp); \ - ld fp,0x30(sp); \ - j ra; \ - ADDU sp,sp,0x40; \ - .set reorder; \ - .end name -#endif - - -/* The following magic numbers are for the slots into the PMON monitor */ -/* The first are used as the lo-level library run-time: */ -INDIRECT(read,0) -INDIRECT(write,1) -INDIRECT(open,2) -INDIRECT(close,3) -/* The following are useful monitor routines: */ -INDIRECT(mon_ioctl,4) -INDIRECT(mon_printf,5) -INDIRECT(mon_vsprintf,6) -INDIRECT(mon_ttctl,7) -INDIRECT(mon_cliexit,8) -INDIRECT(mon_getenv,9) -INDIRECT(mon_onintr,10) -INDIRECT(mon_flush_cache,11) -INDIRECT(_flush_cache,11) -INDIRECT(mon_exception,12) - -/* The following routine is required by the "print()" function: */ - .globl outbyte - .ent outbyte - .set noreorder -outbyte: - subu sp,sp,0x20 /* allocate stack space for string */ - sd ra,0x18(sp) /* stack return address */ - sd fp,0x10(sp) /* stack frame-pointer */ - move fp,sp /* take a copy of the stack pointer */ - /* We leave so much space on the stack for the string (16 - characters), since the call to mon_printf seems to corrupt - the 8bytes at offset 8 into the string/stack. */ - sb a0,0x00(sp) /* character to print */ - sb z0,0x01(sp) /* NUL terminator */ - jal mon_printf /* and output the string */ - move a0,sp /* take a copy of the string pointer {DELAY SLOT} */ - - move sp,fp /* recover stack pointer */ - ld ra,0x18(sp) /* recover return address */ - ld fp,0x10(sp) /* recover frame-pointer */ - j ra /* return to the caller */ - addu sp,sp,0x20 /* dump the stack space {DELAY SLOT} */ - .set reorder - .end outbyte - -/* The following routine is required by the "sbrk()" function: */ - .globl get_mem_info - .ent get_mem_info - .set noreorder -get_mem_info: - # in: a0 = pointer to 3 word structure - # out: void - subu sp,sp,0x18 /* create some stack space */ - sd ra,0x00(sp) /* stack return address */ - sd fp,0x08(sp) /* stack frame-pointer */ - sd a0,0x10(sp) /* stack structure pointer */ - move fp,sp /* take a copy of the stack pointer */ - - # The monitor has already sized memory, but unfortunately we - # do not have access to the data location containing the - # memory size. - - jal __sizemem - nop - - ld a0,0x10(sp) # recover structure pointer - sw v0,0(a0) # amount of memory available - - # Deal with getting the cache size information: - mfc0 a1, C0_CONFIG - nop - nop - andi a2,a1,0x7 << 9 # bits 11..9 for instruction cache size - sll a2,a2,12 - 8 - sw a2,4(a0) - andi a2,a1,0x7 << 6 # bits 8..6 for data cache size - sll a2,a2,12 - 5 - sw a2,8(a0) # data cache size - # - move sp,fp /* recover stack pointer */ - ld ra,0x00(sp) /* recover return address */ - ld fp,0x08(sp) /* recover frame-pointer */ - j ra /* return to the caller */ - addu sp,sp,0x18 /* restore stack pointer {DELAY SLOT} */ - .set reorder - .end get_mem_info - -#ifdef LSI - -# For the LSI MiniRISC board, we can safely assume that we have -# at least one megabyte of RAM. - - .globl __sizemem - .ent __sizemem -__sizemem: - li v0,0x100000 - j ra - .end __sizemem -#else - - -#endif -/* EOF pmon.S */ diff --git a/libgloss/mips/pmon.ld b/libgloss/mips/pmon.ld deleted file mode 100644 index 5f05f0ac2..000000000 --- a/libgloss/mips/pmon.ld +++ /dev/null @@ -1,158 +0,0 @@ -/* The following TEXT start address leaves space for the monitor - workspace. */ - -ENTRY(_start) -STARTUP(crt0.o) -OUTPUT_ARCH("mips:4000") -OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") -GROUP(-lc -lpmon -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0); -/* PROVIDE (__global = 0); */ - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_exit_hook = 0); -PROVIDE (hardware_hazard_hook = 0); -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); - -SECTIONS -{ - . = 0xA0020000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - etext = .; - _etext = .; - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - - . = .; - .rodata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = _gp; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - . = ALIGN(4); - edata = .; - _edata = .; - _fbss = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - } - - end = .; - _end = .; - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/libgloss/mips/regs.S b/libgloss/mips/regs.S deleted file mode 100644 index 7ade6e856..000000000 --- a/libgloss/mips/regs.S +++ /dev/null @@ -1,155 +0,0 @@ -/* - * regs.S -- standard MIPS register names. - * - * Copyright (c) 1995 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -/* Standard MIPS register names: */ -#define zero $0 -#define z0 $0 -#define v0 $2 -#define v1 $3 -#define a0 $4 -#define a1 $5 -#define a2 $6 -#define a3 $7 -#define t0 $8 -#define t1 $9 -#define t2 $10 -#define t3 $11 -#define t4 $12 -#define t5 $13 -#define t6 $14 -#define t7 $15 -#define s0 $16 -#define s1 $17 -#define s2 $18 -#define s3 $19 -#define s4 $20 -#define s5 $21 -#define s6 $22 -#define s7 $23 -#define t8 $24 -#define t9 $25 -#define k0 $26 /* kernel private register 0 */ -#define k1 $27 /* kernel private register 1 */ -#define gp $28 /* global data pointer */ -#define sp $29 /* stack-pointer */ -#define fp $30 /* frame-pointer */ -#define ra $31 /* return address */ -#define pc $pc /* pc, used on mips16 */ - -#define fp0 $f0 -#define fp1 $f1 - -/* Useful memory constants: */ -#define K0BASE 0x80000000 -#ifndef __mips64 -#define K1BASE 0xA0000000 -#define K0BASE_ADDR ((char *)K0BASE) -#define K1BASE_ADDR ((char *)K1BASE) -#else -#define K1BASE 0xFFFFFFFFA0000000LL -#define K0BASE_ADDR ((char *)0xFFFFFFFF80000000LL) -#define K1BASE_ADDR ((char *)K1BASE) -#endif - -#define PHYS_TO_K1(a) ((unsigned)(a) | K1BASE) - -/* Standard Co-Processor 0 register numbers: -#define C0_COUNT $9 /* Count Register */ -#define C0_SR $12 /* Status Register */ -#define C0_CAUSE $13 /* last exception description */ -#define C0_EPC $14 /* Exception error address */ -#define C0_PRID $15 /* Processor Revision ID */ -#define C0_CONFIG $16 /* CPU configuration */ - -/* Standard Processor Revision ID Register field offsets */ -#define PR_IMP 8 - -/* Standard Config Register field offsets */ -#define CR_DB 4 -#define CR_IB 5 -#define CR_DC 6 /* NOTE v4121 semantics != 43,5xxx semantics */ -#define CR_IC 9 /* NOTE v4121 semantics != 43,5xxx semantics */ -#define CR_SC 17 -#define CR_SS 20 -#define CR_SB 22 - - -/* Standard Status Register bitmasks: */ -#define SR_CU1 0x20000000 /* Mark CP1 as usable */ -#define SR_FR 0x04000000 /* Enable MIPS III FP registers */ -#define SR_BEV 0x00400000 /* Controls location of exception vectors */ -#define SR_PE 0x00100000 /* Mark soft reset (clear parity error) */ - -#define SR_KX 0x00000080 /* Kernel extended addressing enabled */ -#define SR_SX 0x00000040 /* Supervisor extended addressing enabled */ -#define SR_UX 0x00000020 /* User extended addressing enabled */ - -/* Standard (R4000) cache operations. Taken from "MIPS R4000 - Microprocessor User's Manual" 2nd edition: */ - -#define CACHE_I (0) /* primary instruction */ -#define CACHE_D (1) /* primary data */ -#define CACHE_SI (2) /* secondary instruction */ -#define CACHE_SD (3) /* secondary data (or combined instruction/data) */ - -#define INDEX_INVALIDATE (0) /* also encodes WRITEBACK if CACHE_D or CACHE_SD */ -#define INDEX_LOAD_TAG (1) -#define INDEX_STORE_TAG (2) -#define CREATE_DIRTY_EXCLUSIVE (3) /* CACHE_D and CACHE_SD only */ -#define HIT_INVALIDATE (4) -#define CACHE_FILL (5) /* CACHE_I only */ -#define HIT_WRITEBACK_INVALIDATE (5) /* CACHE_D and CACHE_SD only */ -#define HIT_WRITEBACK (6) /* CACHE_I, CACHE_D and CACHE_SD only */ -#define HIT_SET_VIRTUAL (7) /* CACHE_SI and CACHE_SD only */ - -#define BUILD_CACHE_OP(o,c) (((o) << 2) | (c)) - -/* Individual cache operations: */ -#define INDEX_INVALIDATE_I BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_I) -#define INDEX_WRITEBACK_INVALIDATE_D BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_D) -#define INDEX_INVALIDATE_SI BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_SI) -#define INDEX_WRITEBACK_INVALIDATE_SD BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_SD) - -#define INDEX_LOAD_TAG_I BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_I) -#define INDEX_LOAD_TAG_D BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_D) -#define INDEX_LOAD_TAG_SI BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_SI) -#define INDEX_LOAD_TAG_SD BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_SD) - -#define INDEX_STORE_TAG_I BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_I) -#define INDEX_STORE_TAG_D BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_D) -#define INDEX_STORE_TAG_SI BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_SI) -#define INDEX_STORE_TAG_SD BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_SD) - -#define CREATE_DIRTY_EXCLUSIVE_D BUILD_CACHE_OP(CREATE_DIRTY_EXCLUSIVE,CACHE_D) -#define CREATE_DIRTY_EXCLUSIVE_SD BUILD_CACHE_OP(CREATE_DIRTY_EXCLUSIVE,CACHE_SD) - -#define HIT_INVALIDATE_I BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_I) -#define HIT_INVALIDATE_D BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_D) -#define HIT_INVALIDATE_SI BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_SI) -#define HIT_INVALIDATE_SD BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_SD) - -#define CACHE_FILL_I BUILD_CACHE_OP(CACHE_FILL,CACHE_I) -#define HIT_WRITEBACK_INVALIDATE_D BUILD_CACHE_OP(HIT_WRITEBACK_INVALIDATE,CACHE_D) -#define HIT_WRITEBACK_INVALIDATE_SD BUILD_CACHE_OP(HIT_WRITEBACK_INVALIDATE,CACHE_SD) - -#define HIT_WRITEBACK_I BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_I) -#define HIT_WRITEBACK_D BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_D) -#define HIT_WRITEBACK_SD BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_SD) - -#define HIT_SET_VIRTUAL_SI BUILD_CACHE_OP(HIT_SET_VIRTUAL,CACHE_SI) -#define HIT_SET_VIRTUAL_SD BUILD_CACHE_OP(HIT_SET_VIRTUAL,CACHE_SD) - -/*> EOF regs.S <*/ diff --git a/libgloss/mips/syscalls.c b/libgloss/mips/syscalls.c deleted file mode 100644 index 3ab543674..000000000 --- a/libgloss/mips/syscalls.c +++ /dev/null @@ -1,45 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include "regs.S" - -extern char _end[]; - -/* FIXME: This is not ideal, since we do a get_mem_info() call for - every sbrk() call. */ -char * -sbrk (nbytes) - int nbytes; -{ - static char *heap_ptr = _end; - static char *heap_start = _end; - char *base; - struct s_mem { - unsigned int size; - unsigned int icsize; - unsigned int dcsize; - } mem; - unsigned int avail = 0; - - /* The sizeof (s_mem.size) must be 4 bytes. The compiler should be - able to eliminate this check */ - if (sizeof (unsigned int) != 4) - return (char *)-1; - - get_mem_info(&mem); - /* NOTE: The value returned from the get_mem_info call is the amount - of memory, and not the address of the (last byte + 1) */ - - if (((size_t)heap_ptr >= heap_start) && ((size_t)heap_ptr < (heap_start + mem.size))) { - avail = (heap_start + mem.size) - (size_t)heap_ptr; - base = heap_ptr; - } /* else will fail since "nbytes" will be greater than zeroed "avail" value */ - - if ((nbytes > avail) || (heap_ptr + nbytes < _end)) - base = (char *)-1; - else - heap_ptr += nbytes; - - return base; -} diff --git a/libgloss/mips/test.c b/libgloss/mips/test.c deleted file mode 100644 index a99347914..000000000 --- a/libgloss/mips/test.c +++ /dev/null @@ -1,13 +0,0 @@ -main() -{ - outbyte ('&'); - outbyte ('@'); - outbyte ('$'); - outbyte ('%'); - - /* whew, we made it */ - - print ("\r\nDone..."); - - return; -} diff --git a/libgloss/mips/vr4300.S b/libgloss/mips/vr4300.S deleted file mode 100644 index 2fc576ed3..000000000 --- a/libgloss/mips/vr4300.S +++ /dev/null @@ -1,341 +0,0 @@ -/* - * vr4300.S -- CPU specific support routines - * - * Copyright (c) 1995,1996 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#ifndef __mips64 - .set mips3 -#endif -#ifdef __mips16 -/* This file contains 32 bit assembly code. */ - .set nomips16 -#endif - -#include "regs.S" - - .text - .align 2 - - # Taken from "R4300 Preliminary RISC Processor Specification - # Revision 2.0 January 1995" page 39: "The Count - # register... increments at a constant rate... at one-half the - # PClock speed." - # We can use this fact to provide small polled delays. - .globl __cpu_timer_poll - .ent __cpu_timer_poll -__cpu_timer_poll: - .set noreorder - # in: a0 = (unsigned int) number of PClock ticks to wait for - # out: void - - # The Vr4300 counter updates at half PClock, so divide by 2 to - # get counter delta: - bnezl a0, 1f # continue if delta non-zero - srl a0, a0, 1 # divide ticks by 2 {DELAY SLOT} - # perform a quick return to the caller: - j ra - nop # {DELAY SLOT} -1: - mfc0 v0, $9 # C0_COUNT: get current counter value - nop - nop - # We cannot just do the simple test, of adding our delta onto - # the current value (ignoring overflow) and then checking for - # equality. The counter is incrementing every two PClocks, - # which means the counter value can change between - # instructions, making it hard to sample at the exact value - # desired. - - # However, we do know that our entry delta value is less than - # half the number space (since we divide by 2 on entry). This - # means we can use a difference in signs to indicate timer - # overflow. - addu a0, v0, a0 # unsigned add (ignore overflow) - # We know have our end value (which will have been - # sign-extended to fill the 64bit register value). -2: - # get current counter value: - mfc0 v0, $9 # C0_COUNT - nop - nop - # This is an unsigned 32bit subtraction: - subu v0, a0, v0 # delta = (end - now) {DELAY SLOT} - bgtzl v0, 2b # looping back is most likely - nop - # We have now been delayed (in the foreground) for AT LEAST - # the required number of counter ticks. - j ra # return to caller - nop # {DELAY SLOT} - .set reorder - .end __cpu_timer_poll - - # Flush the processor caches to memory: - - .globl __cpu_flush - .ent __cpu_flush -__cpu_flush: - .set noreorder - # NOTE: The Vr4300 *CANNOT* have any secondary cache (bit 17 - # of the CONFIG registered is hard-wired to 1). We just - # provide code to flush the Data and Instruction caches. - - # Even though the Vr4300 has hard-wired cache and cache line - # sizes, we still interpret the relevant Config register - # bits. This allows this code to be used for other conforming - # MIPS architectures if desired. - - # Get the config register - mfc0 a0, C0_CONFIG - nop - nop - li a1, 1 # a useful constant - # - srl a2, a0, 9 # bits 11..9 for instruction cache size - andi a2, a2, 0x7 # 3bits of information - add a2, a2, 12 # get full power-of-2 value - sllv a2, a1, a2 # instruction cache size - # - srl a3, a0, 6 # bits 8..6 for data cache size - andi a3, a3, 0x7 # 3bits of information - add a3, a3, 12 # get full power-of-2 value - sllv a3, a1, a3 # data cache size - # - li a1, (1 << 5) # check IB (instruction cache line size) - and a1, a0, a1 # mask against the CONFIG register value - beqz a1, 1f # branch on result of delay slot operation - nop - li a1, 32 # non-zero, then 32bytes - j 2f # continue - nop -1: - li a1, 16 # 16bytes -2: - # - li t0, (1 << 4) # check DB (data cache line size) - and a0, a0, t0 # mask against the CONFIG register value - beqz a0, 3f # branch on result of delay slot operation - nop - li a0, 32 # non-zero, then 32bytes - j 4f # continue - nop -3: - li a0, 16 # 16bytes -4: - # - # a0 = data cache line size - # a1 = instruction cache line size - # a2 = instruction cache size - # a3 = data cache size - # - lui t0, ((K0BASE >> 16) & 0xFFFF) - ori t0, t0, (K0BASE & 0xFFFF) - addu t1, t0, a2 # end cache address - subu t2, a1, 1 # line size mask - not t2 # invert the mask - and t3, t0, t2 # get start address - addu t1, -1 - and t1, t2 # get end address -5: - cache INDEX_INVALIDATE_I,0(t3) - bne t3, t1, 5b - addu t3, a1 - # - addu t1, t0, a3 # end cache address - subu t2, a0, 1 # line size mask - not t2 # invert the mask - and t3, t0, t2 # get start address - addu t1, -1 - and t1, t2 # get end address -6: - cache INDEX_WRITEBACK_INVALIDATE_D,0(t3) - bne t3, t1, 6b - addu t3, a0 - # - j ra # return to the caller - nop - .set reorder - .end __cpu_flush - - # NOTE: This variable should *NOT* be addressed relative to - # the $gp register since this code is executed before $gp is - # initialised... hence we leave it in the text area. This will - # cause problems if this routine is ever ROMmed: - - .globl __buserr_cnt -__buserr_cnt: - .word 0 - .align 3 -__k1_save: - .word 0 - .word 0 - .align 2 - - .ent __buserr - .globl __buserr -__buserr: - .set noat - .set noreorder - # k0 and k1 available for use: - mfc0 k0,C0_CAUSE - nop - nop - andi k0,k0,0x7c - sub k0,k0,7 << 2 - beq k0,$0,__buserr_do - nop - # call the previous handler - la k0,__previous - jr k0 - nop - # -__buserr_do: - # TODO: check that the cause is indeed a bus error - # - if not then just jump to the previous handler - la k0,__k1_save - sd k1,0(k0) - # - la k1,__buserr_cnt - lw k0,0(k1) # increment counter - addu k0,1 - sw k0,0(k1) - # - la k0,__k1_save - ld k1,0(k0) - # - mfc0 k0,C0_EPC - nop - nop - addu k0,k0,4 # skip offending instruction - mtc0 k0,C0_EPC # update EPC - nop - nop - eret -# j k0 -# rfe - .set reorder - .set at - .end __buserr - -__exception_code: - .set noreorder - lui k0,%hi(__buserr) - daddiu k0,k0,%lo(__buserr) - jr k0 - nop - .set reorder -__exception_code_end: - - .data -__previous: - .space (__exception_code_end - __exception_code) - # This subtracting two addresses is working - # but is not garenteed to continue working. - # The assemble reserves the right to put these - # two labels into different frags, and then - # cant take their difference. - - .text - - .ent __default_buserr_handler - .globl __default_buserr_handler -__default_buserr_handler: - .set noreorder - # attach our simple bus error handler: - # in: void - # out: void - mfc0 a0,C0_SR - nop - li a1,SR_BEV - and a1,a1,a0 - beq a1,$0,baseaddr - lui a0,0x8000 # delay slot - lui a0,0xbfc0 - daddiu a0,a0,0x0200 -baseaddr: - daddiu a0,a0,0x0180 - # a0 = base vector table address - la a1,__exception_code_end - la a2,__exception_code - subu a1,a1,a2 - la a3,__previous - # there must be a better way of doing this???? -copyloop: - lw v0,0(a0) - sw v0,0(a3) - lw v0,0(a2) - sw v0,0(a0) - daddiu a0,a0,4 - daddiu a2,a2,4 - daddiu a3,a3,4 - subu a1,a1,4 - bne a1,$0,copyloop - nop - la a0,__buserr_cnt - sw $0,0(a0) - j ra - nop - .set reorder - .end __default_buserr_handler - - .ent __restore_buserr_handler - .globl __restore_buserr_handler -__restore_buserr_handler: - .set noreorder - # restore original (monitor) bus error handler - # in: void - # out: void - mfc0 a0,C0_SR - nop - li a1,SR_BEV - and a1,a1,a0 - beq a1,$0,res_baseaddr - lui a0,0x8000 # delay slot - lui a0,0xbfc0 - daddiu a0,a0,0x0200 -res_baseaddr: - daddiu a0,a0,0x0180 - # a0 = base vector table address - la a1,__exception_code_end - la a3,__exception_code - subu a1,a1,a3 - la a3,__previous - # there must be a better way of doing this???? -res_copyloop: - lw v0,0(a3) - sw v0,0(a0) - daddiu a0,a0,4 - daddiu a3,a3,4 - subu a1,a1,4 - bne a1,$0,res_copyloop - nop - j ra - nop - .set reorder - .end __restore_buserr_handler - - .ent __buserr_count - .globl __buserr_count -__buserr_count: - .set noreorder - # restore original (monitor) bus error handler - # in: void - # out: unsigned int __buserr_cnt - la v0,__buserr_cnt - lw v0,0(v0) - j ra - nop - .set reorder - .end __buserr_count - -/* EOF vr4300.S */ diff --git a/libgloss/mips/vr5xxx.S b/libgloss/mips/vr5xxx.S deleted file mode 100644 index 4d2b38bc8..000000000 --- a/libgloss/mips/vr5xxx.S +++ /dev/null @@ -1,457 +0,0 @@ -/* - * vr5xxx.S -- CPU specific support routines - * - * Copyright (c) 1999 Cygnus Solutions - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -/* This file cloned from vr4300.S by dlindsay@cygnus.com - * and recoded to suit Vr5432 and Vr5000. - * Should be no worse for Vr43{00,05,10}. - * Specifically, __cpu_flush() has been changed (a) to allow for the hardware - * difference (in set associativity) between the Vr5432 and Vr5000, - * and (b) to flush the optional secondary cache of the Vr5000. - */ - -/* Processor Revision Identifier (PRID) Register: Implementation Numbers */ -#define IMPL_VR5432 0x54 - -/* Cache Constants not determinable dynamically */ -#define VR5000_2NDLINE 32 /* secondary cache line size */ -#define VR5432_LINE 32 /* I,Dcache line sizes */ -#define VR5432_SIZE (16*1024) /* I,Dcache half-size */ - - -#ifndef __mips64 - .set mips3 -#endif -#ifdef __mips16 -/* This file contains 32 bit assembly code. */ - .set nomips16 -#endif - -#include "regs.S" - - .text - .align 2 - - # Taken from "R4300 Preliminary RISC Processor Specification - # Revision 2.0 January 1995" page 39: "The Count - # register... increments at a constant rate... at one-half the - # PClock speed." - # We can use this fact to provide small polled delays. - .globl __cpu_timer_poll - .ent __cpu_timer_poll -__cpu_timer_poll: - .set noreorder - # in: a0 = (unsigned int) number of PClock ticks to wait for - # out: void - - # The Vr4300 counter updates at half PClock, so divide by 2 to - # get counter delta: - bnezl a0, 1f # continue if delta non-zero - srl a0, a0, 1 # divide ticks by 2 {DELAY SLOT} - # perform a quick return to the caller: - j ra - nop # {DELAY SLOT} -1: - mfc0 v0, $9 # C0_COUNT: get current counter value - nop - nop - # We cannot just do the simple test, of adding our delta onto - # the current value (ignoring overflow) and then checking for - # equality. The counter is incrementing every two PClocks, - # which means the counter value can change between - # instructions, making it hard to sample at the exact value - # desired. - - # However, we do know that our entry delta value is less than - # half the number space (since we divide by 2 on entry). This - # means we can use a difference in signs to indicate timer - # overflow. - addu a0, v0, a0 # unsigned add (ignore overflow) - # We know have our end value (which will have been - # sign-extended to fill the 64bit register value). -2: - # get current counter value: - mfc0 v0, $9 # C0_COUNT - nop - nop - # This is an unsigned 32bit subtraction: - subu v0, a0, v0 # delta = (end - now) {DELAY SLOT} - bgtzl v0, 2b # looping back is most likely - nop - # We have now been delayed (in the foreground) for AT LEAST - # the required number of counter ticks. - j ra # return to caller - nop # {DELAY SLOT} - .set reorder - .end __cpu_timer_poll - - # Flush the processor caches to memory: - - .globl __cpu_flush - .ent __cpu_flush -__cpu_flush: - .set noreorder - # NOTE: The Vr4300 and Vr5432 *CANNOT* have any secondary cache. - # On those, SC (bit 17 of CONFIG register) is hard-wired to 1, - # except that email from Dennis_Han@el.nec.com says that old - # versions of the Vr5432 incorrectly hard-wired this bit to 0. - # The Vr5000 has an optional direct-mapped secondary cache, - # and the SC bit correctly indicates this. - - # So, for the 4300 and 5432 we want to just - # flush the primary Data and Instruction caches. - # For the 5000 it is desired to flush the secondary cache too. - # There is an operation difference worth noting. - # The 4300 and 5000 primary caches use VA bit 14 to choose cache set, - # whereas 5432 primary caches use VA bit 0. - - # This code interprets the relevant Config register bits as - # much as possible, except for the 5432. - # The code therefore has some portability. - # However, the associativity issues mean you should not just assume - # that this code works anywhere. Also, the secondary cache set - # size is hardwired, since the 5000 series does not define codes - # for variant sizes. - - # Note: this version of the code flushes D$ before I$. - # It is difficult to construct a case where that matters, - # but it cant hurt. - - mfc0 a0, C0_PRID # a0 = Processor Revision register - nop # dlindsay: unclear why the nops, but - nop # vr4300.S had such so I do too. - srl a2, a0, PR_IMP # want bits 8..15 - andi a2, a2, 0x255 # mask: now a2 = Implementation # field - li a1, IMPL_VR5432 - beq a1, a2, 8f # use Vr5432-specific flush algorithm - nop - - # Non-Vr5432 version of the code. - # (The distinctions being: CONFIG is truthful about secondary cache, - # and we act as if the primary Icache and Dcache are direct mapped.) - - mfc0 t0, C0_CONFIG # t0 = CONFIG register - nop - nop - li a1, 1 # a1=1, a useful constant - - srl a2, t0, CR_IC # want IC field of CONFIG - andi a2, a2, 0x7 # mask: now a2= code for Icache size - add a2, a2, 12 # +12 - sllv a2, a1, a2 # a2=primary instruction cache size in bytes - - srl a3, t0, CR_DC # DC field of CONFIG - andi a3, a3, 0x7 # mask: now a3= code for Dcache size - add a3, a3, 12 # +12 - sllv a3, a1, a3 # a3=primary data cache size in bytes - - li t2, (1 << CR_IB) # t2=mask over IB boolean - and t2, t2, t0 # test IB field of CONFIG register value - beqz t2, 1f # - li a1, 16 # 16 bytes (branch shadow: always loaded.) - li a1, 32 # non-zero, then 32bytes -1: - - li t2, (1 << CR_DB) # t2=mask over DB boolean - and t2, t2, t0 # test BD field of CONFIG register value - beqz t2, 2f # - li a0, 16 # 16bytes (branch shadow: always loaded.) - li a0, 32 # non-zero, then 32bytes -2: - lui t1, ((K0BASE >> 16) & 0xFFFF) - ori t1, t1, (K0BASE & 0xFFFF) - - # At this point, - # a0 = primary Dcache line size in bytes - # a1 = primary Icache line size in bytes - # a2 = primary Icache size in bytes - # a3 = primary Dcache size in bytes - # t0 = CONFIG value - # t1 = a round unmapped cached base address (we are in kernel mode) - # t2,t3 scratch - - addi t3, t1, 0 # t3=t1=start address for any cache - add t2, t3, a3 # t2=end adress+1 of Dcache - sub t2, t2, a0 # t2=address of last line in Dcache -3: - cache INDEX_WRITEBACK_INVALIDATE_D,0(t3) - bne t3, t2, 3b # - addu t3, a0 # (delay slot) increment by Dcache line size - - - # Now check CONFIG to see if there is a secondary cache - lui t2, (1 << (CR_SC-16)) # t2=mask over SC boolean - and t2, t2, t0 # test SC in CONFIG - bnez t2, 6f - - # There is a secondary cache. Find out its sizes. - - srl t3, t0, CR_SS # want SS field of CONFIG - andi t3, t3, 0x3 # mask: now t3= code for cache size. - beqz t3, 4f - lui a3, ((512*1024)>>16) # a3= 512K, code was 0 - addu t3, -1 # decrement code - beqz t3, 4f - lui a3, ((1024*1024)>>16) # a3= 1 M, code 1 - addu t3, -1 # decrement code - beqz t3, 4f - lui a3, ((2*1024*1024)>>16) # a3= 2 M, code 2 - j 6f # no secondary cache, code 3 - -4: # a3 = secondary cache size in bytes - li a0, VR5000_2NDLINE # no codes assigned for other than 32 - - # At this point, - # a0 = secondary cache line size in bytes - # a1 = primary Icache line size in bytes - # a2 = primary Icache size in bytes - # a3 = secondary cache size in bytes - # t1 = a round unmapped cached base address (we are in kernel mode) - # t2,t3 scratch - - addi t3, t1, 0 # t3=t1=start address for any cache - add t2, t3, a3 # t2=end address+1 of secondary cache - sub t2, t2, a0 # t2=address of last line in secondary cache -5: - cache INDEX_WRITEBACK_INVALIDATE_SD,0(t3) - bne t3, t2, 5b - addu t3, a0 # (delay slot) increment by line size - - -6: # Any optional secondary cache done. Now do I-cache and return. - - # At this point, - # a1 = primary Icache line size in bytes - # a2 = primary Icache size in bytes - # t1 = a round unmapped cached base address (we are in kernel mode) - # t2,t3 scratch - - add t2, t1, a2 # t2=end adress+1 of Icache - sub t2, t2, a1 # t2=address of last line in Icache -7: - cache INDEX_INVALIDATE_I,0(t1) - bne t1, t2, 7b - addu t1, a1 # (delay slot) increment by Icache line size - - j ra # return to the caller - nop - -8: - -# Vr5432 version of the cpu_flush code. -# (The distinctions being: CONFIG can not be trusted about secondary -# cache (which does not exist). The primary caches use Virtual Address Bit 0 -# to control set selection. - -# Code does not consult CONFIG about cache sizes: knows the hardwired sizes. -# Since both I and D have the same size and line size, uses a merged loop. - - li a0, VR5432_LINE - li a1, VR5432_SIZE - lui t1, ((K0BASE >> 16) & 0xFFFF) - ori t1, t1, (K0BASE & 0xFFFF) - - # a0 = cache line size in bytes - # a1 = 1/2 cache size in bytes - # t1 = a round unmapped cached base address (we are in kernel mode) - - add t2, t1, a1 # t2=end address+1 - sub t2, t2, a0 # t2=address of last line in Icache - -9: - cache INDEX_WRITEBACK_INVALIDATE_D,0(t1) # set 0 - cache INDEX_WRITEBACK_INVALIDATE_D,1(t1) # set 1 - cache INDEX_INVALIDATE_I,0(t1) # set 0 - cache INDEX_INVALIDATE_I,1(t1) # set 1 - bne t1, t2, 9b - addu t1, a0 - - j ra # return to the caller - nop - .set reorder - .end __cpu_flush - - # NOTE: This variable should *NOT* be addressed relative to - # the $gp register since this code is executed before $gp is - # initialised... hence we leave it in the text area. This will - # cause problems if this routine is ever ROMmed: - - .globl __buserr_cnt -__buserr_cnt: - .word 0 - .align 3 -__k1_save: - .word 0 - .word 0 - .align 2 - - .ent __buserr - .globl __buserr -__buserr: - .set noat - .set noreorder - # k0 and k1 available for use: - mfc0 k0,C0_CAUSE - nop - nop - andi k0,k0,0x7c - sub k0,k0,7 << 2 - beq k0,$0,__buserr_do - nop - # call the previous handler - la k0,__previous - jr k0 - nop - # -__buserr_do: - # TODO: check that the cause is indeed a bus error - # - if not then just jump to the previous handler - la k0,__k1_save - sd k1,0(k0) - # - la k1,__buserr_cnt - lw k0,0(k1) # increment counter - addu k0,1 - sw k0,0(k1) - # - la k0,__k1_save - ld k1,0(k0) - # - mfc0 k0,C0_EPC - nop - nop - addu k0,k0,4 # skip offending instruction - mtc0 k0,C0_EPC # update EPC - nop - nop - eret -# j k0 -# rfe - .set reorder - .set at - .end __buserr - -__exception_code: - .set noreorder - lui k0,%hi(__buserr) - daddiu k0,k0,%lo(__buserr) - jr k0 - nop - .set reorder -__exception_code_end: - - .data -__previous: - .space (__exception_code_end - __exception_code) - # This subtracting two addresses is working - # but is not garenteed to continue working. - # The assemble reserves the right to put these - # two labels into different frags, and then - # cant take their difference. - - .text - - .ent __default_buserr_handler - .globl __default_buserr_handler -__default_buserr_handler: - .set noreorder - # attach our simple bus error handler: - # in: void - # out: void - mfc0 a0,C0_SR - nop - li a1,SR_BEV - and a1,a1,a0 - beq a1,$0,baseaddr - lui a0,0x8000 # delay slot - lui a0,0xbfc0 - daddiu a0,a0,0x0200 -baseaddr: - daddiu a0,a0,0x0180 - # a0 = base vector table address - la a1,__exception_code_end - la a2,__exception_code - subu a1,a1,a2 - la a3,__previous - # there must be a better way of doing this???? -copyloop: - lw v0,0(a0) - sw v0,0(a3) - lw v0,0(a2) - sw v0,0(a0) - daddiu a0,a0,4 - daddiu a2,a2,4 - daddiu a3,a3,4 - subu a1,a1,4 - bne a1,$0,copyloop - nop - la a0,__buserr_cnt - sw $0,0(a0) - j ra - nop - .set reorder - .end __default_buserr_handler - - .ent __restore_buserr_handler - .globl __restore_buserr_handler -__restore_buserr_handler: - .set noreorder - # restore original (monitor) bus error handler - # in: void - # out: void - mfc0 a0,C0_SR - nop - li a1,SR_BEV - and a1,a1,a0 - beq a1,$0,res_baseaddr - lui a0,0x8000 # delay slot - lui a0,0xbfc0 - daddiu a0,a0,0x0200 -res_baseaddr: - daddiu a0,a0,0x0180 - # a0 = base vector table address - la a1,__exception_code_end - la a3,__exception_code - subu a1,a1,a3 - la a3,__previous - # there must be a better way of doing this???? -res_copyloop: - lw v0,0(a3) - sw v0,0(a0) - daddiu a0,a0,4 - daddiu a3,a3,4 - subu a1,a1,4 - bne a1,$0,res_copyloop - nop - j ra - nop - .set reorder - .end __restore_buserr_handler - - .ent __buserr_count - .globl __buserr_count -__buserr_count: - .set noreorder - # restore original (monitor) bus error handler - # in: void - # out: unsigned int __buserr_cnt - la v0,__buserr_cnt - lw v0,0(v0) - j ra - nop - .set reorder - .end __buserr_count - -/* EOF vr5xxx.S */ |