diff options
Diffstat (limited to 'libgloss/hp74x')
| -rw-r--r-- | libgloss/hp74x/Makefile.in | 216 | ||||
| -rw-r--r-- | libgloss/hp74x/README | 156 | ||||
| -rw-r--r-- | libgloss/hp74x/aclocal.m4 | 344 | ||||
| -rw-r--r-- | libgloss/hp74x/checksum.c | 150 | ||||
| -rwxr-xr-x | libgloss/hp74x/configure | 3572 | ||||
| -rw-r--r-- | libgloss/hp74x/configure.in | 35 | ||||
| -rw-r--r-- | libgloss/hp74x/crt0.s | 177 | ||||
| -rw-r--r-- | libgloss/hp74x/debugger.h | 127 | ||||
| -rw-r--r-- | libgloss/hp74x/debugger.s | 585 | ||||
| -rw-r--r-- | libgloss/hp74x/diagnose.h | 168 | ||||
| -rw-r--r-- | libgloss/hp74x/hppa-defs.h | 123 | ||||
| -rw-r--r-- | libgloss/hp74x/hppa.ld | 64 | ||||
| -rw-r--r-- | libgloss/hp74x/io.c | 338 | ||||
| -rw-r--r-- | libgloss/hp74x/iva_table.h | 164 | ||||
| -rw-r--r-- | libgloss/hp74x/iva_table.s | 996 | ||||
| -rw-r--r-- | libgloss/hp74x/pa_stub.c | 698 | ||||
| -rw-r--r-- | libgloss/hp74x/test.c | 47 |
17 files changed, 0 insertions, 7960 deletions
diff --git a/libgloss/hp74x/Makefile.in b/libgloss/hp74x/Makefile.in deleted file mode 100644 index 307da0b8d..000000000 --- a/libgloss/hp74x/Makefile.in +++ /dev/null @@ -1,216 +0,0 @@ -# -# Makefile -# Copyright (C) 1990, 1991, 1992, 1993 ,1994 Free Software Foundation -# -# This file is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -# - -# -# Makefile for newlib/libc/stub/hppa. This is the board support code -# for the HP-PRO hppa embedded boards. <rob@cygnus.com> -# - -DESTDIR = -VPATH = @srcdir@ -srcdir = @srcdir@ -objdir = . -srcroot = $(srcdir)/../.. -objroot = $(objdir)/../.. - -prefix = @prefix -exec_prefix = @exec_prefix@ - -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(exec_prefix)/$(target_alias) - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -SHELL = /bin/sh - -CC = @CC@ - -AS = @AS@ -AR = @AR@ -LD = @LD@ -RANLIB = @RANLIB@ - -# -# As the boot process only deals with LIF volumes, here's the src -# where we borrow existing code modules and where we put our -# boot image if we can bvuild one. -# -LIF_SRC = /usr/tftpdir/srcboot.lif -LIF_DEST = /usr/tftpdir/romboot.lif - -HPDEFS = -D_INCLUDE_POSIX_SOURCE -D_INCLUDE_XOPEN_SOURCE \ - -D_INCLUDE_HPUX_SOURCE -DPCXT - -LIBS_FOR_TARGET = -lc - -# -# The original flags used by HP for the boot ROMS were -# CFLAGS_FOR_TARGET = -c -Aa +O3 +OS -Wc,-DA1.0 -Wc,-DS1.0 +ESfic +ESsfc ${HPDEFS} -CFLAGS_FOR_TARGET = -c -Wd,-a -g -# the original value for -R was 0 -LDFLAGS_FOR_TARGET = -v -t -N -R 10000 -a archive -INCLUDES = -I${srcdir} - -BSP_OBJS= pa_stub.o debugger.o iva_table.o io.o -STUBCRT0=crt0.o -STUBLIB=hppa.o -LDSCRIPT=hppa.ld -SHARED_DIR= -SHARED_OBJS= -# SHARED_OBJS=$(SHARED_DIR) - -# Host specific makefile fragment comes in here. -@host_makefile_frag@ - -all: boot - -# this target is only for testing -test: ${STUBCRT0} $(STUBLIB) test.o $(BSP_OBJS) -# ${LD} $(LDFLAGS_FOR_TARGET) ${STUBCRT0} test.o $(BSP_OBJS) -o test $(LIBS_FOR_TARGET) - rootme=`pwd` ; \ - ${LD} $(LDFLAGS_FOR_TARGET) ${STUBCRT0} test.o pa_stub.o debugger.o iva_table.o io.o -o test $(LIBS_FOR_TARGET) - -$(STUBLIB): $(BSP_OBJS) - ${LD} -r $(BSP_OBJS) $(SHARED_OBJS) -o $(STUBLIB) - -checksum: $(srcdir)/checksum.c - $(CC) -g $(srcdir)/checksum.c -o checksum - -# this is the target from HP's Makefile, it may be bogus -hpstub: $(OBJS) - $(LD) $(LDFLAGS_FOR_TARGET) -e main -o $@ $(LIBRARY)/crt1.o \ - $(OBJS) -lc -m >stub.map - -install: - $(INSTALL_PROGRAM) $(STUBLIB) $(DESTDIR)$(tooldir)/lib/$(MULTISUBDIR)$(STUBLIB) - $(INSTALL_PROGRAM) $(SHARED_DIR)/$(STUBCRT0) $(DESTDIR)$(tooldir)/lib/$(MULTISUBDIR)$(STUBCRT0) - $(INSTALL_PROGRAM) $(srcdir)/$(LDSCRIPT) $(DESTDIR)$(tooldir)/lib/$(LDSCRIPT) - -.c.o: - $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< - -.c.s: - $(CC) $(CFLAGS_FOR_TARGET) -S $(INCLUDES) $< -# $(CC) $(CFLAGS_FOR_TARGET) $(NEWLIB_CFLAGS) $(INCLUDES) -c $< - -.s.o: - $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -# $(AS) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< - -.SUFFIXES: .S .c .o .s .lif -# -# lifinit -- -# -vnnn Sets volume size to nnn bytes. -# nnn must be a multiple of 256. -# -d Sets directory size to nnn file entries. -# nnn must be a multiple of 8. -# -nsss Sets the volume name to be sss. -# -Knnn Forces the directory start location to be the -# nearest multiple of nnn x 1024 bytes. -# -snnn set the initial system load (ISL) start address to -# nnn in the volume label -# -lnnn Specifies the length in bytes of the ISL code. -# -ennn Set the ISL entry point to nnn bytes from the -# beginning of the ISL -# -# lifcp -- -# -r Forces RAW mode copying. -# -T Sets the file type of the directory entry. -# ASCII is 1 -# BIN is -23951 -# BINARY is -2 -# -Knnn forces each file copied in to begin on a nnn x -# 1024-byte boundary from the beginning of the volume -# Note: the word echoed below MUST be 10 characters exactly. -# -# somxtract infile outfile -- -# converts a series 800 file *only* into a raw image -# -LIF_VOL = this_lif -# 65532 -boot: test checksum -# FIXME: This fills up the hard disk unless "-R" is used - @rm -f ${LIF_VOL} ${LIF_DEST} - @ipl_entry=`nm -t d $< | grep "T .START." | sed -e 's/T .START.//' -e 's/^0*//'` ; \ - echo "Entry point is at $${ipl_entry}" ; \ - if test x"$${ipl_entry}" != x ; then \ - ipl_entry=`expr $${ipl_entry} - 65536` ; \ - echo "Entry point offset is $${ipl_entry}" ; \ - cp $< $<.raw ; \ - rm -f $<.dis ; \ - objdump -d $< > $<.dis ; \ - somxtract $< $<.raw ; \ - ipl_size=`checksum -s $<.raw $<.image | sed -e 's/ is the.*//'` ; \ - echo "IPL_SIZE is $${ipl_size}" ; \ - lifinit -v64000000 -d64 -n"CYGNUS " -K2 -s4096 -l$${ipl_size} -e$${ipl_entry} ${LIF_DEST} ;\ - else \ - echo "ERROR: \$$START\$$ symbol not found" ; \ - fi - @chmod a+rw $<.image - @lifcp -r -K2 $<.image ${LIF_DEST}:TEST - @rm -f $<.image $<.dis - @lifls -l ${LIF_DEST} - @objdump -d $< > $<.dis - -.S.o: - rm -f $*.s - ${CPP} $< > $*.s - $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $*.s -# $(CC) $(CFLAGS_FOR_TARGET) $(NEWLIB_CFLAGS) $(INCLUDES) -c $< - -.c.list: - $(CC) $(CFLAGS) $*.c -S - $(AS) $(AFLAGS) $*.s -Wa,-l > $*.list - rm $*.s - -.s.list: - $(AS) $(AFLAGS) $*.s -Wa,-l > $*.list - -doc: - -clean mostlyclean: - rm -f *~ *.map *.list stub romboot.lif a.out *.raw *.image - rm -f *.o $(STUBLIB) $(STUBCRT0) checksum *.dis test - -distclean maintainer-clean realclean: clean - rm -f Makefile config.cache config.log config.status - -pa_stub.o: $(srcdir)/pa_stub.c -debugger.o: $(srcdir)/debugger.s -iva_table.o: $(srcdir)/iva_table.s -io.o: $(srcdir)/io.c -crt0.o: $(srcdir)/crt0.s -test.o: $(srcdir)/test.c -term_in.o: $(srcdir)/term_in.s -term_out.o: $(srcdir)/term_out.s -term_init.o: $(srcdir)/term_init.s - -.PHONY: info install-info clean-info -info: -install-info: -clean-info: - -Makefile: Makefile.in config.status @host_makefile_frag_path@ - $(SHELL) config.status - -config.status: configure - $(SHELL) config.status --recheck diff --git a/libgloss/hp74x/README b/libgloss/hp74x/README deleted file mode 100644 index f27af18c9..000000000 --- a/libgloss/hp74x/README +++ /dev/null @@ -1,156 +0,0 @@ -*** Registers - GR0 *always zero - GR1 scratch - GR2 normal return register - GR27 Global Data Pointer (Must be set in crt0) - GR30 SP stack pointer - GR31 milicode return pointer - - SR* Space registers - - CR24-31 Temporary Control Registers - CR14 Vector Table Register (like VBR on an m68020) - CR0 Put in a count, causes exception when decremented to 0. - -FORTH's magic number is 031240 - -*** - Series 700/800 - The following options are also supported: - - -snnn set the initial system load (ISL) start address to - nnn in the volume label. This is useful when - building boot media for Series 700/800 systems. - - -lnnn specifies the length in bytes of the ISL code in - the LIF volume. - - -ennn set the ISL entry point to nnn bytes from the - beginning of the ISL. For example, specifying - - e3272 means that the ISL entry point is 3272 - (decimal) bytes from the beginning of the ISL - object module. - - -Knnn forces the directory start location to be the - nearest multiple of nnn x 1024 bytes from the - beginning of the volume. This is necessary for - booting Series 700/800 systems from LIF media. - - -n xxx Sets the volume name to be xxx. - lifinit -v64000000 -d64 -nISL10 -K2 -s4096 -l61440 -e5336 this_lif - -# lifcp -- -# -r Forces RAW mode copying. (file type BIN (-23951)) -# -T Sets the file type of the directory entry. -# -Knnn forces each file copied in to begin on a nnn x -# 1024-byte boundary from the beginning of the volume -# Note: the word echoed below MUST be 10 characters exactly. -# - (echo "FORTH ") | lifcp -r -T-030001 -K2 - this_lif:AUTO - - -# -# somxtract infile outfile -- -# converts a series 800 file *only* into a raw image - -It turns out the native cc and our current gcc produce series 700 -output, so in this case it runs till if fills up the hard disk. - -*** rombootlf5 is a FORTH interpreter in a "boot" image. (it won't run on -the HP742 board) - -lifls -l rombootlf5 -volume ISL10 data size 249984 directory size 8 94/04/20 10:26:36 -filename type start size implement created -=============================================================== -ISL -12800 16 240 0 94/04/20 10:26:36 -HPUX -12928 256 496 0 94/04/20 10:26:37 - IOMAP -12960 752 1504 0 94/04/20 10:26:37 -AUTO -12289 2256 1 0 94/04/20 10:26:38 -FORTH -12960 2264 208 0 94/04/20 10:26:38 -HPFORTH ASCII 2472 420 0 94/04/20 10:26:38 -BOOTROM ASCII 2896 3849 0 94/04/20 10:26:40 -PAD1 -12290 6752 1172 0 94/04/20 10:26:40 - -*** The ISL is only needed when booting the raw hardware. As we're runing -on a monitor (barely) all we need is a crt0 that initiallizes the GR27 -Global Data Pointer and zero's bss. - -*** Initial Program Load --------------------- -From page 11-56, architecture book. -0x00000000 +------------------------------------+ 0 - | LIF_MAGIC | | -0x00000004 +------------------------------------+ 4 - | | -0x000000F0 +------------------------------------+ 240 - | IPL_ADDR | -0x000000F4 +------------------------------------+ 244 - | IPL_SIZE | -0x000000F8 +------------------------------------+ 248 - | IPL_ENTRY | -0x000000FC +------------------------------------+ 252 - | | -IPL_ADDR +------------------------------------+ IPL_ADDR - | Position Independant | - | IPL Code | - | (including IPL_CHECKSUM) | - +------------------------------------+ IPL_ADDR + IPL_SIZE - | | - +------------------------------------+ - -IPL_ADDR 2 Kbyte aligned, nonzero -IPL_SIZE Multiple of 2Kbytes, <= 256 Kbytes -IPL_ENTRY Word aligned, less than IPL_SIZE - -Loads at IPL_START - -This is based on Cobra/Coral hardware: - LED register at 0xf080024 - I/O status register at 0xf0800000 - EEPROM at 0xf0810000 (LAN ID begins at byte 0) - -Here's a dump of the LIF volume header using "xd" (od with hex output) - -* -00000f0 0000 1000 0000 9800 0000 0000 0000 0000 - ^^^^ - This is the size -* -0000800 5445 5354 2020 2020 2020 a271 0000 0010 - ^^^^ ^^^^ ^^^^ ^^^^ ^^^^ ^^^^<-- this is the ipl offset - this is the vol name ^^^^<- this is the type - -0000810 0000 0098 9407 1919 1426 8001 0000 0000 - ^^^^ - This is the ipl size - -Interupts ---------- -The vector table is access by %iva (%cr14). The address here must be a -multiple of 2048. The indexes are: -1 high-priority -2 power failure -3 recovery counter -4 external interrupt -5 low-priority machine check -6 instruction TLB miss/instruction page fault -7 instruction memory protection -8 illegal instruction -9 break instruction -10 priviledged operation -11 priviledged register -12 overflow -13 conditional -14 assist exception -15 data TLB miss fault/data page fault -16 non access instruction TLB miss fault -17 non access page TLB miss fault/non access data page fault -18 data memory protection/unaligned data reference -19 data memory break -20 TLB dirty bit -21 page reference -22 assist emulation -23 higher-priority transfer -24 lower-priority transfe -25 taken branch diff --git a/libgloss/hp74x/aclocal.m4 b/libgloss/hp74x/aclocal.m4 deleted file mode 100644 index b6cdfaeb8..000000000 --- a/libgloss/hp74x/aclocal.m4 +++ /dev/null @@ -1,344 +0,0 @@ -# generated automatically by aclocal 1.9.5 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 2005 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -# AM_CONDITIONAL -*- Autoconf -*- - -# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005 -# Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# serial 7 - -# AM_CONDITIONAL(NAME, SHELL-CONDITION) -# ------------------------------------- -# Define a conditional. -AC_DEFUN([AM_CONDITIONAL], -[AC_PREREQ(2.52)dnl - ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], - [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl -AC_SUBST([$1_TRUE]) -AC_SUBST([$1_FALSE]) -if $2; then - $1_TRUE= - $1_FALSE='#' -else - $1_TRUE='#' - $1_FALSE= -fi -AC_CONFIG_COMMANDS_PRE( -[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then - AC_MSG_ERROR([[conditional "$1" was never defined. -Usually this means the macro was only invoked conditionally.]]) -fi])]) - - -# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 -# Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# serial 8 - -# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be -# written in clear, in which case automake, when reading aclocal.m4, -# will think it sees a *use*, and therefore will trigger all it's -# C support machinery. 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When coming back to configure, we -# need to make the FD available again. -if test "$no_create" != yes; then - ac_cs_success=: - ac_config_status_args= - test "$silent" = yes && - ac_config_status_args="$ac_config_status_args --quiet" - exec 5>/dev/null - $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false - exec 5>>config.log - # Use ||, not &&, to avoid exiting from the if with $? = 1, which - # would make configure fail if this is the last instruction. - $ac_cs_success || { (exit 1); exit 1; } -fi - diff --git a/libgloss/hp74x/configure.in b/libgloss/hp74x/configure.in deleted file mode 100644 index 576ffa856..000000000 --- a/libgloss/hp74x/configure.in +++ /dev/null @@ -1,35 +0,0 @@ -dnl Process this file with autoconf to produce a configure script. -AC_PREREQ(2.59) -AC_INIT(crt0.s) - -if test "$srcdir" = "." ; then - mdir=`echo "${with_multisubdir}/" \ - | sed -e 's,\([[^/]][[^/]]*\),..,g' -e 's,^/$,,'` - AC_CONFIG_AUX_DIR(${mdir}../../..) -else - AC_CONFIG_AUX_DIR(${srcdir}/../..) -fi - -AC_PROG_INSTALL - -LIB_AC_PROG_CC -AS=${AS-as} -AC_SUBST(AS) -AR=${AR-ar} -AC_SUBST(AR) -LD=${LD-ld} -AC_SUBST(LD) -AC_PROG_RANLIB -LIB_AM_PROG_AS - -host_makefile_frag=${srcdir}/../config/default.mh - -dnl We have to assign the same value to other variables because autoconf -dnl doesn't provide a mechanism to substitute a replacement keyword with -dnl arbitrary data or pathnames. -dnl -host_makefile_frag_path=$host_makefile_frag -AC_SUBST(host_makefile_frag_path) -AC_SUBST_FILE(host_makefile_frag) - -AC_OUTPUT(Makefile) diff --git a/libgloss/hp74x/crt0.s b/libgloss/hp74x/crt0.s deleted file mode 100644 index b5986e6a2..000000000 --- a/libgloss/hp74x/crt0.s +++ /dev/null @@ -1,177 +0,0 @@ -/* - * crt0.S -- startup file for hppa. - * rob@cygnus.com (Rob Savoye) - */ - .VERSION "0.2" - .COPYRIGHT "crt0.S for hppa" - -;sp .equ %r30 ; stack pointer -;dp .equ %r27 ; global data pointer -;arg0 .equ %r26 ; argument -;arg1 .equ %r25 ; argument or high part of double argument -;arg2 .equ %r24 ; argument -;arg3 .equ %r23 ; argument or high part of double argument - -#define IMM(a,b) ldil L%a,b ! ldo R%a(b),b -#define imm(i,t) ldil LS%i,t ! addi RS%i,t,t - - .DATA - -/**** - * FIXME: these are just a gross hack so this will assemble - ****/ -_bss_start .WORD -_bss_end .WORD -_foobar - .STRINGZ "Foo Bar...\r\n" - -;;_SYSTEM_ID .WORD -;; .EXPORT _SYSTEM_ID ; FIXME this is only so it'll - ; link - -/* - * Set up the standard spaces (sections) These definitions come - * from /lib/pcc_prefix.s. - */ - .space $TEXT$,0 - - .SUBSPA $BOOT$,QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=4 - .IMPORT _start - -/* - * stuff we need that's defined elsewhere. - */ - .IMPORT main, CODE - .IMPORT _bss_start, DATA - .IMPORT _bss_end, DATA - .IMPORT environ, DATA - -/* - * start -- set things up so the application will run. - * - */ - .PROC - .CALLINFO SAVE_SP, FRAME=48 - .EXPORT $START$,ENTRY -$START$ - - /* FIXME: this writes to page zero */ - ;; setup the %30 (stack pointer) with some memory - ldil L%_stack+48,%r30 - ldo R%_stack+48(%r30),%r30 ; should be %r30 (sp) but then - ; we'd kill our test program :-) - ;; we need to set %r27 (global data pointer) here too - ldil L%$global$,%r27 - ldo R%$global$(%r27),%r27 ; same problem as above - -/* - * zerobss -- zero out the bss section - */ - ; load the start of bss - ldil L%_bss_start,%r4 - ldo R%_bss_start(%r4),%r4 - - ; load the end of bss - ldil L%_bss_end,%r5 - ldo R%_bss_end(%r5),%r5 - - -bssloop - addi -1,%r5,%r5 ; decrement _bss_end - stb %r0,0(0,%r5) ; we do this by bytes for now even - ; though it's slower, it's safer - combf,= %r4,%r5, bssloop - nop - - ldi 1,%ret0 - -/* - * Call the main routine from the application to get it going. - * main (argc, argv, environ) - * We pass argv as a pointer to NULL. - */ - - bl main,%r2 - nop - - .PROCEND -/* - * _exit -- Exit from the application. Normally we cause a user trap - * to return to the ROM monitor for another run, but with - * this monitor we can't. Still, "C" wants this symbol, it - * should be here. Jumping to 0xF0000004 jumps back into the - * firmware, while writing a 5 to 0xFFFE0030 causes a reset. - */ - .EXPORT _exit, ENTRY -_exit - .PROC - .CALLINFO - .ENTRY -;; ldil L%0xf0000004,%r1 -;; bl %r1, %r2 - - ldil L'4026531844,%r19 - ldo R'4026531844(%r19),%r19 - blr %r19, %r2 - nop - - ;; This just causes a breakpoint exception -;; break 0x0e,0xa5a -;; bv,n (%rp) - nop - .EXIT - .PROCEND - - .subspa $UNWIND_START$,QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=56 - .export $UNWIND_START -$UNWIND_START - .subspa $UNWIND$,QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=64 - .subspa $UNWIND_END$,QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=72 - .export $UNWIND_END -$UNWIND_END - .subspa $RECOVER_START$,QUAD=0,ALIGN=4,ACCESS=0x2c,SORT=73 - .export $RECOVER_START -$RECOVER_START - .subspa $RECOVER$,QUAD=0,ALIGN=4,ACCESS=0x2c,SORT=80 - .subspa $RECOVER_END$,QUAD=0,ALIGN=4,ACCESS=0x2c,SORT=88 - .export $RECOVER_END -$RECOVER_END - -; The following declarations are, by default in the data space ($PRIVATE$) - -;; .space $PRIVATE$,1 - -/* - * Here we set up the standard date sub spaces. - * _dp is for the WinBond board. - * - * Set up some room for a stack. We just grab a chunk of memory. - * We also setup some space for the global variable space, which - * must be done using the reserved name "$global$" so "C" code - * can find it. The stack grows towards the higher addresses. - */ - - .subspa $DATA$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=16 - .subspa $SHORTDATA$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=24 - .subspa $GLOBAL$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=40 - .export $global$ - .export _dp -$global$ -_dp - .subspa $SHORTBSS$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=80,ZERO - .subspa $BSS$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=82,ZERO - - .subspa $STACK$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=88,ZERO - .export _stack -_stack - .BLOCK 0x2000 - -/* - * The heap follows the stack. To use dynamic memory routines in an - * application, some space MUST be assigned to the stack. - */ - - .subspa $HEAP$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=96,ZERO - .export _heap -_heap - .end diff --git a/libgloss/hp74x/debugger.h b/libgloss/hp74x/debugger.h deleted file mode 100644 index 2c735987c..000000000 --- a/libgloss/hp74x/debugger.h +++ /dev/null @@ -1,127 +0,0 @@ -/**************************************************************************** - - THIS SOFTWARE IS NOT COPYRIGHTED - - HP offers the following for use in the public domain. HP makes no - warranty with regard to the software or it's performance and the - user accepts the software "AS IS" with all faults. - - HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD - TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -****************************************************************************/ - - /* Debugger register array offets */ - -#define R_gr0 0 -#define R_gr1 4 -#define R_gr2 8 -#define R_gr3 12 -#define R_gr4 16 -#define R_gr5 20 -#define R_gr6 24 -#define R_gr7 28 -#define R_gr8 32 -#define R_gr9 36 -#define R_gr10 40 -#define R_gr11 44 -#define R_gr12 48 -#define R_gr13 52 -#define R_gr14 56 -#define R_gr15 60 -#define R_gr16 64 -#define R_gr17 68 -#define R_gr18 72 -#define R_gr19 76 -#define R_gr20 80 -#define R_gr21 84 -#define R_gr22 88 -#define R_gr23 92 -#define R_gr24 96 -#define R_gr25 100 -#define R_gr26 104 -#define R_gr27 108 -#define R_gr28 112 -#define R_gr29 116 -#define R_gr30 120 -#define R_gr31 124 - -#define R_sr0 128 -#define R_sr1 132 -#define R_sr2 136 -#define R_sr3 140 -#define R_sr4 144 -#define R_sr5 148 -#define R_sr6 152 -#define R_sr7 156 - -#define R_cr0 160 -#define R_cr1 164 -#define R_cr2 168 -#define R_cr3 172 -#define R_cr4 176 -#define R_cr5 180 -#define R_cr6 184 -#define R_cr7 188 -#define R_cr8 192 -#define R_cr9 196 -#define R_cr10 200 -#define R_cr11 204 -#define R_cr12 208 -#define R_cr13 212 -#define R_cr14 216 -#define R_cr15 220 -#define R_cr16 224 -#define R_cr17H 228 -#define R_cr18H 232 -#define R_cr19 236 -#define R_cr20 240 -#define R_cr21 244 -#define R_cr22 248 -#define R_cr23 252 -#define R_cr24 256 -#define R_cr25 260 -#define R_cr26 264 -#define R_cr27 268 -#define R_cr28 272 -#define R_cr29 276 -#define R_cr30 280 -#define R_cr31 284 - -#define R_cr17T 288 -#define R_cr18T 292 - -#define R_cpu0 296 - -#define R_SIZE 300 - -#define min_stack 64 - -; ----------------------------------------------------------- -; ------ ASCII control codes -; ----------------------------------------------------------- - -#define NULL 0x00 /* <break> soft-reset (input only) */ -#define DELP 0x03 /* <ctrl>C del-collapse (input only, non-std) */ -#define DELE 0x04 /* <ctrl>D del-to_eol (input only, non-std) */ -#define BELL 0x07 /* <ctrl>G bell - audio */ -#define BS 0x08 /* <ctrl>H back space (left arrow) */ -#define HT 0x09 /* <ctrl>I horizontal tab */ -#define LF 0x0a /* <ctrl>J line feed (down arrow) */ -#define VT 0x0b /* <ctrl>K vertical tab (up arrow) */ -#define FF 0x0c /* <ctrl>L form feed (right arrow) */ -#define RTN 0x0d /* <ctrl>M carrage return */ -#define CR 0x0d /* <ctrl>M carrage return */ -#define INSC 0x0e /* <ctrl>N insert char (input only, non-std) */ -#define XON 0x11 /* <ctrl>Q DC1 - continue */ -#define BT 0x12 /* <ctrl>R reverse tab (input only, non-std) */ -#define XOFF 0x13 /* <ctrl>S DC3 - wait */ -#define INSE 0x16 /* <ctrl>V insert-expand (input only, non-std) */ -#define DELC 0x18 /* <ctrl>X delete char (input only, non-std) */ -#define CLRH 0x1a /* <ctrl>Z clear/home (input only) */ -#define ESC 0x1b /* <ctrl>[ escape (must call key again) */ -#define ENDL 0x1c /* <ctrl>\ cursor-to-eol (input only, non-std) */ -#define HOME 0x1e /* <ctrl>^ cursor home (input only) */ -#define DEL 0x7f /* <shift>BS destructive backspace */ - diff --git a/libgloss/hp74x/debugger.s b/libgloss/hp74x/debugger.s deleted file mode 100644 index edf4e4b41..000000000 --- a/libgloss/hp74x/debugger.s +++ /dev/null @@ -1,585 +0,0 @@ -/**************************************************************************** - - THIS SOFTWARE IS NOT COPYRIGHTED - - HP offers the following for use in the public domain. HP makes no - warranty with regard to the software or it's performance and the - user accepts the software "AS IS" with all faults. - - HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD - TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -****************************************************************************/ - .space $TEXT$ - .subspa $CODE$,access=0x2c - -#if 1 -#include "diagnose.h" -#endif - -i13BREAK .equ 0xa5a ; im13 field for specified functions -i5REG .equ 0x06 ; Init registers -i5BP .equ 0x09 ; GDB breakpoin -i5PSW .equ 0x0b ; Get PSW -i5INLINE .equ 0x0e ; Get INLINE -R_gr0 .equ 0 -R_gr1 .equ 4 -R_gr2 .equ 8 -R_gr3 .equ 12 -R_gr4 .equ 16 -R_gr5 .equ 20 -R_gr6 .equ 24 -R_gr7 .equ 28 -R_gr8 .equ 32 -R_gr9 .equ 36 -R_gr10 .equ 40 -R_gr11 .equ 44 -R_gr12 .equ 48 -R_gr13 .equ 52 -R_gr14 .equ 56 -R_gr15 .equ 60 -R_gr16 .equ 64 -R_gr17 .equ 68 -R_gr18 .equ 72 -R_gr19 .equ 76 -R_gr20 .equ 80 -R_gr21 .equ 84 -R_gr22 .equ 88 -R_gr23 .equ 92 -R_gr24 .equ 96 -R_gr25 .equ 100 -R_gr26 .equ 104 -R_gr27 .equ 108 -R_gr28 .equ 112 -R_gr29 .equ 116 -R_gr30 .equ 120 -R_gr31 .equ 124 - -R_sr0 .equ 128 -R_sr1 .equ 132 -R_sr2 .equ 136 -R_sr3 .equ 140 -R_sr4 .equ 144 -R_sr5 .equ 148 -R_sr6 .equ 152 -R_sr7 .equ 156 - -R_cr0 .equ 160 -R_cr1 .equ 164 -R_cr2 .equ 168 -R_cr3 .equ 172 -R_cr4 .equ 176 -R_cr5 .equ 180 -R_cr6 .equ 184 -R_cr7 .equ 188 -R_cr8 .equ 192 -R_cr9 .equ 196 -R_cr10 .equ 200 -R_cr11 .equ 204 -R_cr12 .equ 208 -R_cr13 .equ 212 -R_cr14 .equ 216 -R_cr15 .equ 220 -R_cr16 .equ 224 -R_cr17H .equ 228 -R_cr18H .equ 232 -R_cr19 .equ 236 -R_cr20 .equ 240 -R_cr21 .equ 244 -R_cr22 .equ 248 -R_cr23 .equ 252 -R_cr24 .equ 256 -R_cr25 .equ 260 -R_cr26 .equ 264 -R_cr27 .equ 268 -R_cr28 .equ 272 -R_cr29 .equ 276 -R_cr30 .equ 280 -R_cr31 .equ 284 - -R_cr17T .equ 288 -R_cr18T .equ 292 - -R_cpu0 .equ 296 - -R_SIZE .equ 300 - -min_stack .equ 64 - - .import handle_exception - .import $global$, data - .IMPORT putnum, code - .IMPORT led_putnum, code - .IMPORT delay, code - - .export FICE - .export DEBUG_GO - .export DEBUG_SS - .export STUB_RESTORE - - .export save_regs - .export RegBlk - .export Exception_index - -;------------------------------------------------------------------------------- - .EXPORT breakpoint,ENTRY,ARGW0=GR,RTNVAL=GR -breakpoint - .PROC - .CALLINFO CALLER,FRAME=128,SAVE_RP - .ENTRY - - stw %r2,-20(0,%r30) ; stash the return pointer - ldo 128(%r30),%r30 ; push up the stack pointer - -;;; debug - ldi 6, %r26 - bl,n led_putnum,%r2 - nop - ldil L'900000,%r26 - ldo R'900000(%r26),%r26 - bl,n delay,%r2 - nop -;;; - break i5INLINE,i13BREAK -;;; more debug - ldi 7, %r26 - bl,n led_putnum,%r2 - nop - ldil L'900000,%r26 - ldo R'900000(%r26),%r26 - bl,n delay,%r2 - nop -;;; - -FICE fice 0(0,%r26) ; Flush the i cache entry - sync - - ldw -148(0,%r30),%r2 ; retrieve the return pointer - ldo -128(%r30),%r30 ; reset the stack pointer - bv,n 0(%r2) ; return to caller - nop - - .EXIT - .PROCEND - -;------------------------------------------------------------------------------- -DEBUG_GO - or,tr %r0,%r0,%r10 ; if go, do not set R-bit to 1 - -DEBUG_SS - ldi 1,%r10 ; else set R-bit to 1 - -DEBUG_EXEC - - bl DGO_0,%r8 ; r8 points to register block - addil L%RegBlk-DGO_0,%r8 -DGO_0 - ldo R%RegBlk-DGO_0(%r1),%r8 - -; load space registers - - ldw R_sr0(%r8),%r1 - mtsp %r1,%sr0 - ldw R_sr1(%r8),%r1 - mtsp %r1,%sr1 - ldw R_sr2(%r8),%r1 - mtsp %r1,%sr2 - ldw R_sr3(%r8),%r1 - mtsp %r1,%sr3 - ldw R_sr4(%r8),%r1 - mtsp %r1,%sr4 - ldw R_sr5(%r8),%r1 - mtsp %r1,%sr5 - ldw R_sr6(%r8),%r1 - mtsp %r1,%sr6 - ldw R_sr7(%r8),%r1 - mtsp %r1,%sr7 - -; clear Q-bit for rfi - - rsm 0x08,%r0 - -; load control registers - - ldw R_cr0(%r8),%r1 - or,= %r10,%r0,%r0 ; if single step - copy %r0,%r1 ; set %cr0 to 0 - mtctl %r1,%cr0 - ldw R_cr8(%r8),%r1 - mtctl %r1,%cr8 - ldw R_cr9(%r8),%r1 - mtctl %r1,%cr9 - ldw R_cr10(%r8),%r1 - mtctl %r1,%cr10 - ldw R_cr11(%r8),%r1 - mtctl %r1,%cr11 - ldw R_cr12(%r8),%r1 - mtctl %r1,%cr12 - ldw R_cr13(%r8),%r1 - mtctl %r1,%cr13 - ldw R_cr14(%r8),%r1 - mtctl %r1,%cr14 - ldw R_cr15(%r8),%r1 - mtctl %r1,%cr15 - ldw R_cr16(%r8),%r1 - mtctl %r1,%cr16 - ldw R_cr17H(%r8),%r1 ; load iiasq.head - mtctl %r1,%cr17 - ldw R_cr18H(%r8),%r1 ; load iiaoq.head - mtctl %r1,%cr18 - ldw R_cr17T(%r8),%r1 ; load iiasq.tail - mtctl %r1,%cr17 - ldw R_cr18T(%r8),%r1 ; load iiaoq.tail - mtctl %r1,%cr18 - ldw R_cr19(%r8),%r1 - mtctl %r1,%cr19 - ldw R_cr20(%r8),%r1 - mtctl %r1,%cr20 - ldw R_cr21(%r8),%r1 - mtctl %r1,%cr21 - ldw R_cr22(%r8),%r1 - dep %r10,27,1,%r1 ; set R-bit if applicable - mtctl %r1,%cr22 - ldw R_cr23(%r8),%r1 - mtctl %r1,%cr23 - ldw R_cr24(%r8),%r1 - mtctl %r1,%cr24 - ldw R_cr25(%r8),%r1 - mtctl %r1,%cr25 - ldw R_cr26(%r8),%r1 - mtctl %r1,%cr26 - ldw R_cr27(%r8),%r1 - mtctl %r1,%cr27 - ldw R_cr28(%r8),%r1 - mtctl %r1,%cr28 - ldw R_cr29(%r8),%r1 - mtctl %r1,%cr29 - ldw R_cr30(%r8),%r1 - mtctl %r1,%cr30 - ldw R_cr31(%r8),%r1 - mtctl %r1,%cr31 - -; load diagnose registers - - ldw R_cpu0(%r8),%r1 - ldil L%CPU0_MASK,%r2 - ldo R%CPU0_MASK(%r2),%r2 - xor %r1,%r2,%r1 ; xor the read/clear bits - nop - mtcpu %r1,0 - mtcpu %r1,0 - -; load general registers - - ldw R_gr1(%r8),%r1 - ldw R_gr2(%r8),%r2 - ldw R_gr3(%r8),%r3 - ldw R_gr4(%r8),%r4 - ldw R_gr5(%r8),%r5 - ldw R_gr6(%r8),%r6 - ldw R_gr7(%r8),%r7 - ldw R_gr9(%r8),%r9 - ldw R_gr10(%r8),%r10 - ldw R_gr11(%r8),%r11 - ldw R_gr12(%r8),%r12 - ldw R_gr13(%r8),%r13 - ldw R_gr14(%r8),%r14 - ldw R_gr15(%r8),%r15 - ldw R_gr16(%r8),%r16 - ldw R_gr17(%r8),%r17 - ldw R_gr18(%r8),%r18 - ldw R_gr19(%r8),%r19 - ldw R_gr20(%r8),%r20 - ldw R_gr21(%r8),%r21 - ldw R_gr22(%r8),%r22 - ldw R_gr23(%r8),%r23 - ldw R_gr24(%r8),%r24 - ldw R_gr25(%r8),%r25 - ldw R_gr26(%r8),%r26 - ldw R_gr27(%r8),%r27 - ldw R_gr28(%r8),%r28 - ldw R_gr29(%r8),%r29 - ldw R_gr30(%r8),%r30 - ldw R_gr31(%r8),%r31 - ldw R_gr8(%r8),%r8 - -; execute user program - - nop - rfi ; switch to user code - nop - -;------------------------------------------------------------------------------- - -STUB_RESTORE - copy %r1,%r9 ; save exception index - bl SR_00,%r8 - addil L%Exception_index-SR_00,%r8 -SR_00 - ldo R%Exception_index-SR_00(%r1),%r8 - stw %r9,(%r8) - - bl save_regs,%r25 - nop - -#ifdef DEBUG_DEBUGGER1 - stwm %r1,8(%sp) - bl putc,%rp - ldi CR,%arg0 - bl putc,%rp - ldi LF,%arg0 - bl printit,%mrp - mfctl %pcoq,%arg0 - - mfctl %pcoq,%r1 - mtctl %r1,%pcoq - mfctl %pcoq,%arg0 - bl printit,%mrp - mtctl %arg0,%pcoq - - bl printit,%mrp - ldw -8(%sp),%arg0 - - ldwm -8(%sp),%r1 -#endif - -#ifdef DEBUG_DEBUGGER2 - stwm %r1,8(%sp) - bl putc,%rp - ldi LF,%arg0 - ldwm -8(%sp),%r1 -#endif - -#ifdef DEBUG_DEBUGGER3 - bl printit,%mrp - copy iptr,%arg0 - bl printit,%mrp - copy rstack,%arg0 - bl printit,%mrp - copy gspace,%arg0 - bl printit,%mrp - copy dstack,%arg0 - bl printit,%mrp - copy nextptr,%arg0 - bl printit,%mrp - copy %dp,%arg0 - bl printit,%mrp - copy %sp,%arg0 - bl printit,%mrp - mfctl %rctr,%arg0 - bl printit,%mrp - mfctl %iva,%arg0 - bl printit,%mrp - mfctl %eiem,%arg0 - bl printit,%mrp - mfctl %ipsw,%arg0 - bl printit,%mrp - copy %r0,%arg0 -#endif - bl SR_1,%sp - addil L%Stub_stack-SR_1,%sp -SR_1 - ldo R%Stub_stack-SR_1(%r1),%sp ; set the stack pointer - - bl SR_2,%arg0 - addil L%RegBlk-SR_2,%arg0 -SR_2 - ldo R%RegBlk-SR_2(%r1),%arg0 ; set arg0 (save register area) - - bl SR_3,%arg1 - addil L%Exception_index-SR_3,%arg1 ; set arg1 address -SR_3 - ldo R%Exception_index-SR_3(%r1),%arg1 ; set arg1 address - - addi min_stack,%sp,%sp ; allocate min stack frame - - bl handle_exception,%r2 - ldw 0(%arg1),%arg1 ; load arg1 - addi -min_stack,%sp,%sp ; de allocate min stack frame - - b DEBUG_EXEC ; - copy %r28,%r10 -;------------------------------------------------------------------------------- - -save_regs ; return address is in %r25 - - bl SR_0,%r1 ; r1 points to Register block - addil L%RegBlk-SR_0,%r1 -SR_0 - ldo R%RegBlk-SR_0(%r1),%r1 - -; save general registers - - stw %r0,R_gr0(%r1) - ; don't store %r1 yet - stw %r2,R_gr2(%r1) - stw %r3,R_gr3(%r1) - stw %r4,R_gr4(%r1) - stw %r5,R_gr5(%r1) - stw %r6,R_gr6(%r1) - stw %r7,R_gr7(%r1) - ; don't store %r8 yet - ; don't store %r9 yet - stw %r10,R_gr10(%r1) - stw %r11,R_gr11(%r1) - stw %r12,R_gr12(%r1) - stw %r13,R_gr13(%r1) - stw %r14,R_gr14(%r1) - stw %r15,R_gr15(%r1) - ; don't store %r16 yet - ; don't store %r17 yet - stw %r18,R_gr18(%r1) - stw %r19,R_gr19(%r1) - stw %r20,R_gr20(%r1) - stw %r21,R_gr21(%r1) - stw %r22,R_gr22(%r1) - stw %r23,R_gr23(%r1) - ; don't store %r24 yet - ; don't store %r25 yet - stw %r26,R_gr26(%r1) - stw %r27,R_gr27(%r1) - stw %r28,R_gr28(%r1) - stw %r29,R_gr29(%r1) - stw %r30,R_gr30(%r1) - stw %r31,R_gr31(%r1) - -; restore general registers from shadow registers and save them - - copy %r1,%r10 ; hold Register block pointer - copy %r25,%rp ; hold return pointer - shdw_gr - shdw_gr - stw %r1,R_gr1(%r10) - stw %r8,R_gr8(%r10) - stw %r9,R_gr9(%r10) - stw %r16,R_gr16(%r10) - stw %r17,R_gr17(%r10) - stw %r24,R_gr24(%r10) - stw %r25,R_gr25(%r10) - -; save control registers - - mfctl %cr0,%r1 - stw %r1,R_cr0(%r10) - stw %r0,R_cr1(%r10) - stw %r0,R_cr2(%r10) - stw %r0,R_cr3(%r10) - stw %r0,R_cr4(%r10) - stw %r0,R_cr5(%r10) - stw %r0,R_cr6(%r10) - stw %r0,R_cr7(%r10) - mfctl %cr8,%r1 - stw %r1,R_cr8(%r10) - mfctl %cr9,%r1 - stw %r1,R_cr9(%r10) - mfctl %cr10,%r1 - stw %r1,R_cr10(%r10) - mfctl %cr11,%r1 - stw %r1,R_cr11(%r10) - mfctl %cr12,%r1 - stw %r1,R_cr12(%r10) - mfctl %cr13,%r1 - stw %r1,R_cr13(%r10) - mfctl %cr14,%r1 - stw %r1,R_cr14(%r10) - mfctl %cr15,%r1 - stw %r1,R_cr15(%r10) - mfctl %cr16,%r1 - stw %r1,R_cr16(%r10) - mfctl %cr17,%r1 - stw %r1,R_cr17H(%r10) - mtctl %r1,%cr17 - mfctl %cr17,%r1 - stw %r1,R_cr17T(%r10) - mtctl %r1,%cr17 - mfctl %cr18,%r1 - stw %r1,R_cr18H(%r10) - mtctl %r1,%cr18 - mfctl %cr18,%r1 - stw %r1,R_cr18T(%r10) - mtctl %r1,%cr18 - mfctl %cr19,%r1 - stw %r1,R_cr19(%r10) - mfctl %cr20,%r1 - stw %r1,R_cr20(%r10) - mfctl %cr21,%r1 - stw %r1,R_cr21(%r10) - mfctl %cr22,%r1 - stw %r1,R_cr22(%r10) - mfctl %cr23,%r1 - stw %r1,R_cr23(%r10) - mfctl %cr24,%r1 - stw %r1,R_cr24(%r10) - mfctl %cr25,%r1 - stw %r1,R_cr25(%r10) - mfctl %cr26,%r1 - stw %r1,R_cr26(%r10) - mfctl %cr27,%r1 - stw %r1,R_cr27(%r10) - mfctl %cr28,%r1 - stw %r1,R_cr28(%r10) - mfctl %cr29,%r1 - stw %r1,R_cr29(%r10) - mfctl %cr30,%r1 - stw %r1,R_cr30(%r10) - mfctl %cr31,%r1 - stw %r1,R_cr31(%r10) - -; save diagnose registers - - mfcpu_c 0,%r1 - mfcpu_c 0,%r1 - stw %r1,R_cpu0(%r10) - -; save space registers - - mfsp %sr0,%r1 - stw %r1,R_sr0(%r10) - mfsp %sr1,%r1 - stw %r1,R_sr1(%r10) - mfsp %sr2,%r1 - stw %r1,R_sr2(%r10) - mfsp %sr3,%r1 - stw %r1,R_sr3(%r10) - mfsp %sr4,%r1 - stw %r1,R_sr4(%r10) - mfsp %sr5,%r1 - stw %r1,R_sr5(%r10) - mfsp %sr6,%r1 - stw %r1,R_sr6(%r10) - mfsp %sr7,%r1 - bv (%rp) - stw %r1,R_sr7(%r10) - -#ifdef DEBUG_DEBUGGER -;------------------------------------------------------------------------------- -printit - mtctl %rp,%tr0 - mtctl %r1,%tr1 - bl putnum,%rp - copy %rp,%arg0 - - mtctl %mrp,%tr2 - bl putc,%rp - ldi CR,%arg0 - bl putc,%rp - ldi LF,%arg0 - mfctl %tr2,%mrp - mfctl %tr1,%r1 - bv (%mrp) - mfctl %tr0,%rp -#endif - .space $PRIVATE$ - .subspa $DATA$,align=4,access=0x1f - -Exception_index - .word 0 - -RegBlk - .block R_SIZE ; register block - -Stub_stack - .block 1024 - - .end diff --git a/libgloss/hp74x/diagnose.h b/libgloss/hp74x/diagnose.h deleted file mode 100644 index 23eb84791..000000000 --- a/libgloss/hp74x/diagnose.h +++ /dev/null @@ -1,168 +0,0 @@ -/**************************************************************************** - - THIS SOFTWARE IS NOT COPYRIGHTED - - HP offers the following for use in the public domain. HP makes no - warranty with regard to the software or it's performance and the - user accepts the software "AS IS" with all faults. - - HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD - TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -****************************************************************************/ - - /* Diagnose register definitions */ - - -#ifdef PCXL - -#define CPU_DIAG_0_L2IHPMC_BIT 6 /* Level 2 I-cache error flag */ -#define CPU_DIAG_0_L2DHPMC_BIT 8 /* Level 2 D-cache error flag */ -#define CPU_DIAG_0_L1IHPMC_BIT 10 /* Level 1 I-cache error flag */ -#define CPU_DIAG_0_L2PARERR_BIT 15 /* rightmost bit */ -#define CPU_DIAG_0_PREV_HPMC_PREP_BIT 16 /* Previous HPMC finished */ -#define CPU_DIAG_0_PWR_FAIL_BIT 17 -#define CPU_DIAG_0_EXPECT_HPMC_BIT 18 /* Expecting HPMC */ - - /* Mask for Read/clear bits in CPU diagnose register 0 */ -#define CPU0_MASK 0x02AF0000 - -#else /* PCXT */ - -#define CPU_DIAG_0_PREV_HPMC_PREP_BIT 3 /* Previous HPMC finished */ -#define CPU_DIAG_0_BOOTING_BIT 4 -#define CPU_DIAG_0_EXPECT_HPMC_BIT 5 /* Expecting HPMC */ - -#define CPU_DIAG_0_DHPMC_BIT 10 -#define CPU_DIAG_0_ILPMC_BIT 14 -#define CPU_DIAG_0_HTOC_BIT 23 - - /* Mask for Read/clear bits in CPU diagnose register 0 */ -#define CPU0_MASK 0x00220100 - -#endif - - /* Diagnose instruction macros */ - -#ifdef PCXL - -/*** Different PCXL diagnose commands ***/ - -/* Original mfcpu replaced with the two commands mfcpu_t & mfcpu_c */ -mfcpu_t .macro diag_reg,gen_reg - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = diag_reg {27 .. 31} - {11 .. 15} = 0x0 {27 .. 31} - {16 .. 18} = 0x0 {29 .. 31} - {19 .. 26} = 0xa0 {24 .. 31} - {27 .. 31} = gen_reg {27 .. 31} - .endm - -mfcpu_c .macro diag_reg,gen_reg - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = diag_reg {27 .. 31} - {11 .. 15} = gen_reg {27 .. 31} - {16 .. 18} = 0x0 {29 .. 31} - {19 .. 26} = 0x30 {24 .. 31} - {27 .. 31} = 0x0 {27 .. 31} - .endm - -mtcpu .macro gen_reg,diag_reg - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = diag_reg {27 .. 31} - {11 .. 15} = gen_reg {27 .. 31} - {16 .. 18} = 0x0 {29 .. 31} - {19 .. 26} = 0x12 {24 .. 31} - {27 .. 31} = 0x0 {27 .. 31} - .endm - -shdw_gr .macro - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = 0x0 {27 .. 31} - {11 .. 15} = 0x0 {27 .. 31} - {16 .. 18} = 0x0 {29 .. 31} - {19 .. 26} = 0xd0 {24 .. 31} - {27 .. 31} = 0x0 {27 .. 31} - .endm - -gr_shdw .macro - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = 0x0 {27 .. 31} - {11 .. 15} = 0x0 {27 .. 31} - {16 .. 18} = 0x0 {29 .. 31} - {19 .. 26} = 0xd2 {24 .. 31} - {27 .. 31} = 0x0 {27 .. 31} - .endm - -#else - -/*** original PCXT version ***/ - -/* Originally was mfcpu without the _c */ -mfcpu_c .macro diag_reg,gen_reg - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = diag_reg {27 .. 31} - {11 .. 15} = gen_reg {27 .. 31} - {16 .. 18} = 0x0 {29 .. 31} - {19 .. 26} = 0xd0 {24 .. 31} - {27 .. 31} = 0x0 {27 .. 31} - .endm - -mtcpu .macro gen_reg,diag_reg - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = diag_reg {27 .. 31} - {11 .. 15} = gen_reg {27 .. 31} - {16 .. 18} = 0x0 {29 .. 31} - {19 .. 26} = 0xb0 {24 .. 31} - {27 .. 31} = 0x0 {27 .. 31} - .endm - -shdw_gr .macro - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = 0x2 {27 .. 31} - {11 .. 15} = 0x0 {27 .. 31} - {16 .. 18} = 0x1 {29 .. 31} - {19 .. 26} = 0x30 {24 .. 31} - {27 .. 31} = 0x0 {27 .. 31} - .endm - -gr_shdw .macro - { 0 .. 5} = 0x5 {26 .. 31} - { 6 .. 10} = 0x2 {27 .. 31} - {11 .. 15} = 0x0 {27 .. 31} - {16 .. 18} = 0x0 {29 .. 31} - {19 .. 26} = 0x31 {24 .. 31} - {27 .. 31} = 0x0 {27 .. 31} - .endm - -#endif - - - /* Actual commands used doubled instructions for cpu timing */ - - -#define SHDW_GR shdw_gr ! \ - shdw_gr - - - /* Break instruction definitions */ - -#define i13BREAK 0xa5a /* im13 field for specified functions */ -#define i5REG 0x06 /* Init registers */ -#define i5BP 0x09 /* GDB breakpoint */ -#define i5PSW 0x0b /* Get PSW */ -#define i5INLINE 0x0e /* Get INLINE */ - -BR_INIT_REGS .macro - break i5REG,i13BREAK - .endm - -BR_GET_PSW .macro - break i5PSW,i13BREAK - .endm - -BR_INLINE .macro - break i5INLINE,i13BREAK - .endm - diff --git a/libgloss/hp74x/hppa-defs.h b/libgloss/hp74x/hppa-defs.h deleted file mode 100644 index 5bbaeef35..000000000 --- a/libgloss/hp74x/hppa-defs.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * PDC support - */ -#define OPT_PDC_CACHE 5 -#define OPT_PDC_ADD_VALID 12 -#define OPT_PDC_CHASSIS 2 /* LED's */ -#define OPT_PDC_IODC 8 /* console I/O */ -#define IODC_CONSOLE_OUT 3 /* bytes out serial port */ -#define IODC_CONSOLE_IN 2 /* bytes in serial port */ - -#define PGZ_MEM_PDC 0x0388 /* location of PDC_ENTRY in memory */ -#define PGZ_CONSOLE_STRUCT 0x3A0 /* console config info */ -#define CALL_PDC (*(int (*)())((int *)(*((int *)PGZ_MEM_PDC)))) - -#define putDebugChar outbyte -#define getDebugChar inbyte - -/* - * IODC support - */ -#define MAX_BUS_CONVERTERS 6 -#define MAX_LAYERS 6 -#define IO_CONSOLE_INPUT 2 -#define IO_CONSOLE_OUTPUT 3 - -struct _dev { - unsigned char flags; /* auto-search and auto-boot */ - unsigned char bus_convert[MAX_BUS_CONVERTERS]; - unsigned char pm; /* fixed field of HPA */ - unsigned int layer[MAX_LAYERS]; /* device dependent layers */ - unsigned int hpa; /* device HPA */ - unsigned int spa; /* device SPA */ - unsigned int *iodc_io; /* address of ENTRY_IO in mem */ - unsigned int class; /* device class */ -}; - -/* - * Register defintions - */ -#define gr0 %r0 /* always ZERO */ -#define gr1 %r1 /* ADDIL results only */ -#define gr2 %r2 /* return address */ -#define gr3 %r3 /* scratch registers */ -#define gr4 %r4 -#define gr5 %r5 -#define gr6 %r6 -#define gr7 %r7 -#define gr8 %r8 -#define gr9 %r9 -#define gr10 %r10 -#define gr11 %r11 -#define gr12 %r12 -#define gr13 %r13 -#define gr14 %r14 -#define gr15 %r15 -#define gr16 %r16 -#define gr17 %r17 -#define gr18 %r18 -#define gr19 %r19 /* 4th temp register */ -#define gr20 %r20 /* 3rd temp register */ -#define gr21 %r21 /* 2rd temp register */ -#define gr22 %r22 /* 1rd temp register */ -#define gr23 %r23 /* argument 3 */ -#define gr24 %r24 /* argument 2 */ -#define gr25 %r25 /* argument 1 */ -#define gr26 %r26 /* argument 0 */ -#define gr27 %r27 /* global data pointer */ -#define gr28 %r28 /* return value */ -#define gr29 %r29 /* return value, static link */ -#define gr30 %r30 /* stack pointer */ -#define gr31 %r31 /* millicode return pointer */ - -/* - * extra definitions, calling conventions - */ -#define rp gr2 /* return address */ -#define sp gr30 /* stack pointer */ -#define dp gr27 /* global data area pointer */ - -/* - * extra definitions, argument passing - */ -#define Arg0 gr26 /* pdc function to perform */ -#define Arg1 gr25 /* args to the pdc function */ -#define Arg2 gr24 -#define Arg3 gr23 - -/* - * Special Processor Registers - */ -#define SAR %cr11 /* shift amount register */ -#define IVA %cr14 /* Interruption Vector Address */ -#define EIEM %cr15 /* EIEM reg */ -#define EIR %cr23 /* EIR reg */ -#define TIMER %cr16 /* interval timer */ -#define CCR %cr10 /* coprocessor control reg. */ - -/* - * ASCII escape code - */ -#define NULL 0x00 /* <break> soft-reset (input only) */ -#define DELP 0x03 /* <ctrl>C del-collapse (input only, non-std) */ -#define DELE 0x04 /* <ctrl>D del-to_eol (input only, non-std) */ -#define BELL 0x07 /* <ctrl>G bell - audio */ -#define BS 0x08 /* <ctrl>H back space (left arrow) */ -#define HT 0x09 /* <ctrl>I horizontal tab */ -#define LF 0x0a /* <ctrl>J line feed (down arrow) */ -#define VT 0x0b /* <ctrl>K vertical tab (up arrow) */ -#define FF 0x0c /* <ctrl>L form feed (right arrow) */ -#define RTN 0x0d /* <ctrl>M carrage return */ -#define CR 0x0d /* <ctrl>M carrage return */ - -#define INSC 0x0e /* <ctrl>N insert char (input only, non-std) */ -#define XON 0x11 /* <ctrl>Q DC1 - continue */ -#define BT 0x12 /* <ctrl>R reverse tab (input only, non-std) */ -#define XOFF 0x13 /* <ctrl>S DC3 - wait */ -#define INSE 0x16 /* <ctrl>V insert-expand (input only, non-std) */ -#define DELC 0x18 /* <ctrl>X delete char (input only, non-std) */ -#define CLRH 0x1a /* <ctrl>Z clear/home (input only) */ -#define ESC 0x1b /* <ctrl>[ escape (must call key again) */ -#define ENDL 0x1c /* <ctrl>\ cursor-to-eol (input only, non-std) */ -#define HOME 0x1e /* <ctrl>^ cursor home (input only) */ -#define DEL 0x7f /* <shift>BS destructive backspace */ diff --git a/libgloss/hp74x/hppa.ld b/libgloss/hp74x/hppa.ld deleted file mode 100644 index 37b733b52..000000000 --- a/libgloss/hp74x/hppa.ld +++ /dev/null @@ -1,64 +0,0 @@ -STARTUP(crt0-hppa.o) -OUTPUT_ARCH(hppa) -/*** INPUT(hppa.o) ***/ -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Setup the memory map of the MC68ec0x0 Board (IDP) - * stack grows up towards high memory. This works for - * both the rom68k and the mon68k monitors. - */ -MEMORY -{ - ram (rwx) : ORIGIN = 0x10000, LENGTH = 32M -} - -/* - * stick everything in ram (of course) - */ -SECTIONS -{ - .text : - { - CREATE_OBJECT_SYMBOLS - *(.text) - etext = .; - __CTOR_LIST__ = .; - LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) - *(.ctors) - LONG(0) - __CTOR_END__ = .; - __DTOR_LIST__ = .; - LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) - *(.dtors) - LONG(0) - __DTOR_END__ = .; - *(.lit) - *(.shdata) - } > ram - .shbss SIZEOF(.text) + ADDR(.text) : { - *(.shbss) - } - .data : { - *(.data) - CONSTRUCTORS - _edata = .; - } > ram - - .bss SIZEOF(.data) + ADDR(.data) : - { - _bss_start = ALIGN(0x8); - *(.bss) - *(COMMON) - _bss_end = ALIGN(0x8); - } - .stab 0 (NOLOAD) : - { - [ .stab ] - } - .stabstr 0 (NOLOAD) : - { - [ .stabstr ] - } -} diff --git a/libgloss/hp74x/io.c b/libgloss/hp74x/io.c deleted file mode 100644 index 054d90ce4..000000000 --- a/libgloss/hp74x/io.c +++ /dev/null @@ -1,338 +0,0 @@ -/* - * io.c -- all the code to make GCC and the libraries run on - * a bare target board. - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> - -#include "hppa-defs.h" - -extern char *_end; /* _end is set in the linker command file */ - -/* just in case, most boards have at least some memory */ -#ifndef RAMSIZE -# define RAMSIZE (char *)0x100000 -#endif - -int -print(ptr) -char *ptr; -{ - while (*ptr) - outbyte (*ptr++); -} - -int -putnum (Num) -unsigned int Num; -{ - char Buffer[9]; - int Count; - char *BufPtr = Buffer; - int Digit; - - for (Count = 7 ; Count >= 0 ; Count--) { - Digit = (Num >> (Count * 4)) & 0xf; - - if (Digit <= 9) - *BufPtr++ = (char) ('0' + Digit); - else - *BufPtr++ = (char) ('a' - 10 + Digit); - } - - *BufPtr = (char) 0; - print (Buffer); - return; -} - -int -delay (x) - int x; -{ - int y = 17; - while (x-- !=0) - y = y^2; -} - -/* - * strobe -- do a zylons thing, toggling each led in sequence forever... - */ -int -zylons() -{ - while (1) { - strobe(); - } -} - -/* - * strobe -- toggle each led in sequence up and back once. - */ -int -strobe() -{ - static unsigned char curled = 1; - static unsigned char dir = 0; - - curled = 1; - dir = 0; - while (curled != 0) { - led_putnum (curled); - delay (70000); - if (dir) - curled >>= 1; - else - curled <<= 1; - - if (curled == 128) { - dir = ~dir; - } - } - curled = 1; - dir = 0; -} - -/* - * iodc_io_call -- this makes a call into the IODC routine - */ -int -iodc_io_call(ep_address,arg0,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11) -int ep_address, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11; -{ - int (*iodc_entry_point)(); - - iodc_entry_point = (int (*)())ep_address; - - return ((*iodc_entry_point)(arg0,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11)); -} - -/* - * pdc_call -- this makes a call into the PDC routine - */ -int -pdc_call(arg0,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11) - int arg0, arg1, arg2, arg3, arg4, arg5; - int arg6, arg7, arg9, arg10, arg11; -{ - return ( CALL_PDC(arg0,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11)); -} - -/* - * put_led -- put a bit pattern on the LED's. - */ -int -led_putnum (byte) - unsigned short byte; -{ - return (pdc_call(OPT_PDC_CHASSIS,0,byte)); -} - - -/* - * outbyte -- shove a byte out the serial port - */ -int -outbyte(byte) - unsigned char byte; -{ - int status; - int R_addr[32]; - struct _dev *console = (struct _dev *)PGZ_CONSOLE_STRUCT; - - status = iodc_io_call(console->iodc_io, console->hpa, IO_CONSOLE_OUTPUT, console->spa, - console->layer[0], R_addr, 0, &byte, 1, 0); - - switch(status) - { - case 0: return(1); - default: return (-1); - } -} - -/* - * inbyte -- get a byte from the serial port - */ -unsigned char -inbyte() -{ - int status; - int R_addr[32]; - char inbuf; - struct _dev *console = (struct _dev *)PGZ_CONSOLE_STRUCT; - - while (status == 0) { - status = iodc_io_call(console->iodc_io, console->hpa, IO_CONSOLE_INPUT, console->spa, - console->layer[0], R_addr, 0, &inbuf, 1, 0); - - switch (status) { - case 0: - case 2: /* recoverable error */ - if (R_addr[0] != 0) { /* found a character */ - return(inbuf); - } - else - break; /* error, no character */ - default: /* error, no character */ - return(0); - } - } -} - -/* - * read -- read bytes from the serial port. Ignore fd, since - * we only have stdin. - */ -int -read(fd, buf, nbytes) - int fd; - char *buf; - int nbytes; -{ - int i = 0; - - for (i = 0; i < nbytes; i++) { - *(buf + i) = inbyte(); - if ((*(buf + i) == '\n') || (*(buf + i) == '\r')) { - (*(buf + i)) = 0; - break; - } - } - return (i); -} - -/* - * write -- write bytes to the serial port. Ignore fd, since - * stdout and stderr are the same. Since we have no filesystem, - * open will only return an error. - */ -int -write(fd, buf, nbytes) - int fd; - char *buf; - int nbytes; -{ - int i; - - for (i = 0; i < nbytes; i++) { - if (*(buf + i) == '\n') { - outbyte ('\r'); - } - outbyte (*(buf + i)); - } - return (nbytes); -} - -/* - * open -- open a file descriptor. We don't have a filesystem, so - * we return an error. - */ -int -open(buf, flags, mode) - char *buf; - int flags; - int mode; -{ - errno = EIO; - return (-1); -} - -/* - * close -- close a file descriptor. We don't need - * to do anything, but pretend we did. - */ -int -close(fd) - int fd; -{ - return (0); -} - -/* - * sbrk -- changes heap size size. Get nbytes more - * RAM. We just increment a pointer in what's - * left of memory on the board. - */ -char * -sbrk(nbytes) - int nbytes; -{ - static char * heap_ptr = NULL; - char * base; - - if (heap_ptr == NULL) { - heap_ptr = (char *)&_end; - } - - if ((RAMSIZE - heap_ptr) >= 0) { - base = heap_ptr; - heap_ptr += nbytes; - return (heap_ptr); - } else { - errno = ENOMEM; - return ((char *)-1); - } -} - -/* - * isatty -- returns 1 if connected to a terminal device, - * returns 0 if not. Since we're hooked up to a - * serial port, we'll say yes return a 1. - */ -int -isatty(fd) - int fd; -{ - return (1); -} - -/* - * lseek -- move read/write pointer. Since a serial port - * is non-seekable, we return an error. - */ -off_t -lseek(fd, offset, whence) - int fd; - off_t offset; - int whence; -{ - errno = ESPIPE; - return ((off_t)-1); -} - -/* - * fstat -- get status of a file. Since we have no file - * system, we just return an error. - */ -int -fstat(fd, buf) - int fd; - struct stat *buf; -{ - errno = EIO; - return (-1); -} - -/* - * getpid -- only one process, so just return 1. - */ -#define __MYPID 1 -int -getpid() -{ - return __MYPID; -} - -/* - * kill -- assume mvme.S, and go out via exit... - */ -int -kill(pid, sig) - int pid; - int sig; -{ - if(pid == __MYPID) - _exit(sig); - return 0; -} diff --git a/libgloss/hp74x/iva_table.h b/libgloss/hp74x/iva_table.h deleted file mode 100644 index 68d6ba977..000000000 --- a/libgloss/hp74x/iva_table.h +++ /dev/null @@ -1,164 +0,0 @@ -/**************************************************************************** - - THIS SOFTWARE IS NOT COPYRIGHTED - - HP offers the following for use in the public domain. HP makes no - warranty with regard to the software or it's performance and the - user accepts the software "AS IS" with all faults. - - HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD - TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -****************************************************************************/ - - /* Interrupt Vector Table entry macros */ - -#define cstring(Len,String) .byte Len !\ - .string String - -#define cstringz(Len,String) .byte Len !\ - .stringz String - -AdvancePCOQ .macro - mtctl %r0,%pcoq ; throw away iiaoq head pointer, tail->head - mfctl %pcoq,%r1 ; get tail pointer - mtctl %r1,%pcoq ; insert tail pointer - ldo 4(%r1),%r1 ; advance tail pointer - mtctl %r1,%pcoq ; insert new tail pointer, former tail->head - .endm - -#ifdef PRINTSTRING_LED -PrintString .macro NString,Num - bl put_led,%mrp - ldi Num+0xa0,%arg2 - addil L%NString-$global$,%dp - bl puts,%rp - ldo R%NString-$global$(%r1),%arg0 - b,n . - nop - .endm -#endif - -#ifdef HALT - -PrintString .macro NString,Num - bl,n save_state,%r25 - nop - bl print_intr,%rp - ldi NString-Str01,%arg0 - bl print_state,%rp - nop - b,n halt - nop - .endm - -#endif - -#ifdef RECOVER - -PrintString .macro NString,Num - bl,n save_state,%r25 - nop - bl print_intr,%rp - ldi NString-Str01,%arg0 - bl print_state,%rp - nop - b,n recover - nop - .endm - -#endif - -PrintString .macro NString,Num - bl,n save_state,%r25 - nop - bl print_intr,%rp - ldi NString-Str01,%arg0 -#ifdef FULL_REPORT - bl print_state,%rp -#else - nop -#endif - nop - b restore_to_STUB - ldi Num,%r1 - .endm - - - /* IVA register array offets */ - -#define R_sr0 0 -#define R_sr1 4 -#define R_sr2 8 -#define R_sr3 12 -#define R_sr4 16 -#define R_sr5 20 -#define R_sr6 24 -#define R_sr7 28 - -#define R_gr0 32 -#define R_gr1 36 -#define R_gr2 40 -#define R_gr3 44 -#define R_gr4 48 -#define R_gr5 52 -#define R_gr6 56 -#define R_gr7 60 -#define R_gr8 64 -#define R_gr9 68 -#define R_gr10 72 -#define R_gr11 76 -#define R_gr12 80 -#define R_gr13 84 -#define R_gr14 88 -#define R_gr15 92 -#define R_gr16 96 -#define R_gr17 100 -#define R_gr18 104 -#define R_gr19 108 -#define R_gr20 112 -#define R_gr21 116 -#define R_gr22 120 -#define R_gr23 124 -#define R_gr24 128 -#define R_gr25 132 -#define R_gr26 136 -#define R_gr27 140 -#define R_gr28 144 -#define R_gr29 148 -#define R_gr30 152 -#define R_gr31 156 - -#define R_rctr 160 -#define R_cpu0 164 -#define R_pidr1 168 -#define R_pidr2 172 -#define R_ccr 176 -#define R_sar 180 -#define R_pidr3 184 -#define R_pidr4 188 -#define R_iva 192 -#define R_eiem 196 - -#define R_itmr 200 -#define R_pcsqH 204 -#define R_pcoqH 208 -#define R_iir 212 -#define R_pcsqT 216 -#define R_pcoqT 220 -#define R_isr 224 -#define R_ior 228 -#define R_ipsw 232 -#define R_eirr 236 - -#define R_tr0 240 -#define R_tr1 244 -#define R_tr2 248 -#define R_tr3 252 -#define R_tr4 256 -#define R_tr5 260 -#define R_tr6 264 -#define R_tr7 268 - -#define R_SIZE 272 diff --git a/libgloss/hp74x/iva_table.s b/libgloss/hp74x/iva_table.s deleted file mode 100644 index 289ea3c94..000000000 --- a/libgloss/hp74x/iva_table.s +++ /dev/null @@ -1,996 +0,0 @@ -/**************************************************************************** - - THIS SOFTWARE IS NOT COPYRIGHTED - - HP offers the following for use in the public domain. HP makes no - warranty with regard to the software or it's performance and the - user accepts the software "AS IS" with all faults. - - HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD - TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -****************************************************************************/ - - .space $TEXT$ - .subspa $CODE$,access=0x2c - -#include "diagnose.h" -#if 0 -#include "iva_table.h" -#endif - -R_gr0 .equ 0 -R_gr1 .equ 4 -R_gr2 .equ 8 -R_gr3 .equ 12 -R_gr4 .equ 16 -R_gr5 .equ 20 -R_gr6 .equ 24 -R_gr7 .equ 28 -R_gr8 .equ 32 -R_gr9 .equ 36 -R_gr10 .equ 40 -R_gr11 .equ 44 -R_gr12 .equ 48 -R_gr13 .equ 52 -R_gr14 .equ 56 -R_gr15 .equ 60 -R_gr16 .equ 64 -R_gr17 .equ 68 -R_gr18 .equ 72 -R_gr19 .equ 76 -R_gr20 .equ 80 -R_gr21 .equ 84 -R_gr22 .equ 88 -R_gr23 .equ 92 -R_gr24 .equ 96 -R_gr25 .equ 100 -R_gr26 .equ 104 -R_gr27 .equ 108 -R_gr28 .equ 112 -R_gr29 .equ 116 -R_gr30 .equ 120 -R_gr31 .equ 124 -R_rctr .equ 160 -R_cpu0 .equ 164 -R_pidr1 .equ 168 -R_pidr2 .equ 172 -R_ccr .equ 176 -R_sar .equ 180 -R_pidr3 .equ 184 -R_pidr4 .equ 188 -R_iva .equ 192 -R_eiem .equ 196 - -R_itmr .equ 200 -R_pcsqH .equ 204 -R_pcoqH .equ 208 -R_iir .equ 212 -R_pcsqT .equ 216 -R_pcoqT .equ 220 -R_isr .equ 224 -R_ior .equ 228 -R_ipsw .equ 232 -R_eirr .equ 236 -R_tr0 .equ 240 -R_tr1 .equ 244 -R_tr2 .equ 248 -R_tr3 .equ 252 -R_tr4 .equ 256 -R_tr5 .equ 260 -R_tr6 .equ 264 -R_tr7 .equ 268 - -R_SIZE .equ 300 - - .import putc,code - .import puts,code - .import putnum,code - .import put_led,code - .import save_regs,code - .import STUB_RESTORE,code - .import RegBlk,data - .export iva_table,data - .IMPORT led_putnum,code - .IMPORT delay,code - .IMPORT putnum,code - .IMPORT outbyte,code - .IMPORT print,code - - .align 2048 -iva_table - .blockz 32 ; entry 0 is reserved - - .align 32 -hpmc - nop - b,n hpmc_handler - nop - .word 0 - .word 0 - .word 0 - .word hpmc_handler - .word 0 - - .align 32 -power_fail -; PrintString Str02,0x2 - ldi 1,%r26 - bl,n putnum,%r2 - nop - - .align 32 -recovery -;; PrintString Str03,0x3 - ldi 2,%r26 - bl,n putnum,%r2 - nop - ldi 3,%r1 - b,n handle_rcc - nop - - .align 32 -external -; PrintString Str04,0x4 - ldi 3,%r26 - bl,n putnum,%r2 - nop - - .align 32 -lpmc -; PrintString Str05,0x5 - ldi 4,%r26 - bl,n putnum,%r2 - nop - - .align 32 -itlb_miss -; PrintString Str06,0x6 - ldi 5,%r26 - bl,n putnum,%r2 - nop - - .align 32 -imem_protection -; PrintString Str07,0x7 - ldi 6,%r26 - bl,n putnum,%r2 - nop - - .align 32 -illegal_inst -; PrintString Str08,0x8 - ldi 7,%r26 - bl,n putnum,%r2 - nop - - .align 32 -break - b,n break_handler - nop - - .align 32 -privileged_op -; PrintString Str0a,0xa - ldi 8,%r26 - bl,n putnum,%r2 - nop - - .align 32 -privileged_reg -; PrintString Str0b,0xb - ldi 9,%r26 - bl,n putnum,%r2 - nop - - .align 32 -overflow -; PrintString Str0c,0xc - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -conditional -; PrintString Str0d,0xd - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -assist_excep -; PrintString Str0e,0xe - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -dtlb_miss -; PrintString Str0f,0xf - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -na_itlb -; PrintString Str10,0x10 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -na_dtlb -; PrintString Str11,0x11 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -dmem_protection -; PrintString Str12,0x12 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -dmem_break -; PrintString Str13,0x13 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -tlb_dirty -; PrintString Str14,0x14 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -page_ref -; PrintString Str15,0x15 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -assist_emul -; PrintString Str16,0x16 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -high_priv -; PrintString Str17,0x17 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -low_priv -; PrintString Str18,0x18 - ldi 32,%r26 - bl,n putnum,%r2 - nop - - .align 32 -branch_taken -; PrintString Str19,0x19 - ldi 32,%r26 - bl,n putnum,%r2 - nop - -/* - * foobar -- debug procedure calling between C and assembler - */ - .EXPORT foobar,ENTRY,ARGW0=GR,RTNVAL=GR -foobar - .PROC - .CALLINFO CALLER,FRAME=128,SAVE_RP - .ENTRY - - stw %r2,-20(0,%r30) ; stash the return pointer - ldo 128(%r30),%r30 ; push up the stack pointer - - ldi 8, %r26 - bl,n led_putnum,%r2 - nop - ldil L'900000,%r26 - ldo R'900000(%r26),%r26 - bl,n delay,%r2 - nop - ldi 8, %r26 - bl,n led_putnum,%r2 - nop - ldil L'900000,%r26 - ldo R'900000(%r26),%r26 - bl,n delay,%r2 - nop -;; copy %r26,%r26 -;; bl,n putnum,%r2 - nop - - ldw -148(0,%r30),%r2 ; retrieve the return pointer - ldo -128(%r30),%r30 ; reset the stack pointer - bv,n 0(%r2) - nop - - .EXIT - .PROCEND - -/* - * setup_vectors -- add vectors for GDB to the vector table. - * %r3 - current vector table - * %r4 - new vector table - */ - .EXPORT setup_vectors,ENTRY,ARGW0=GR,RTNVAL=GR -setup_vectors - .PROC - .CALLINFO CALLER,FRAME=128,SAVE_RP - .ENTRY - stw %r2,-20(0,%r30) ; stash the return pointer - ldo 128(%r30),%r30 ; push up the stack pointer - - mfctl %iva,%r3 - - ldil L%iva_table,%r4 ; Get the new vector table - ldo R%iva_table(%r4),%r4 ; address - - ldil L%break_handler,%r5 ; Get the breakpoint - ldo R%break_handler(%r5),%r5 ; handler vector - - ldil L%break_default,%r6 ; Get the default handler - ldo R%break_default(%r6),%r6 ; vector - - stw %r6,4(%r4) ; ad the default vector - stw %r5,36(%r4) ; add the break vector - - mtctl %r4,%iva - - ldw -148(0,%r30),%r2 ; retrieve the return pointer - ldo -128(%r30),%r30 ; reset the stack pointer - bv,n 0(%r2) - nop - - .EXIT - .PROCEND - -;------------------------------------------------------------------------------- -hpmc_handler - bl,n save_state,%r25 - nop - bl print_intr,%rp - ldi Str01-Str01,%arg0 - bl print_state,%rp - nop - ldil L%0xf0000000,%r1 - ldw (%r1),%r1 ; read from ROM to reset HPMC - - mfcpu_c 0,%r1 - mfcpu_c 0,%r1 - depi 0,CPU_DIAG_0_PREV_HPMC_PREP_BIT,1,%r1 ; clear Prev HPMC bit - -#ifdef PCXL - depi 0,CPU_DIAG_0_L2DHPMC_BIT,1,%r1 - depi 0,CPU_DIAG_0_L2IHPMC_BIT,1,%r1 - depi 0,CPU_DIAG_0_L1IHPMC_BIT,1,%r1 - depi 0,CPU_DIAG_0_L2PARERR_BIT,4,%r1 -#else /* PCXT */ - depi 0,CPU_DIAG_0_DHPMC_BIT,1,%r1 ; don't clear DHPMC - depi 0,CPU_DIAG_0_ILPMC_BIT,1,%r1 ; don't clear ILPMC - depi 0,CPU_DIAG_0_HTOC_BIT,1,%r1 ; don't clear HTOC -#endif - - mtcpu %r1,0 - mtcpu %r1,0 - - b,n restore_to_STUB - ldi 0x1,%r1 - -/* - * break_handler -- this is the main entry point for an exception - */ - .ALIGN 2048 -break_handler - - mfctl %iir,%r1 ; r1 = break instruction - extru %r1,18,13,%r8 - ldo -i13BREAK(%r8),%r8 ; if im13 field doesn't match - comb,<>,n %r8,%r0,break_default ; go to default operation - extru %r1,31,5,%r8 - ldi 0x9,%r1 ; set exception index - comib,=,n i5BP,%r8,break_breakpoint - comib,=,n i5PSW,%r8,break_psw - comib,=,n i5REG,%r8,break_reg_init - comib,=,n i5INLINE,%r8,break_breakpoint - ; fall through to break_default - -break_default -; PrintString Str09,0x9 - ldi 32,%r26 - bl,n putnum,%r2 - nop - -break_reg_init - bl setup_vectors,%r25 - nop - bl save_regs,%r25 - nop - ; fall through to advance past break instruction - -break_psw - b,n recover - -break_breakpoint - b,n STUB_RESTORE - -;------------------------------------------------------------------------------- - -handle_rcc - mfctl %ipsw,%r1 - bb,>=,n %r1,10,do_restore ; check nullify bit - dep %r0,10,1,%r1 - mtctl %r1,%ipsw ; clear nullify bit - - ;; was the AdvancePCOQ .macro - mtctl %r0,%pcoq ; throw away iiaoq head pointer, tail->head - mfctl %pcoq,%r1 ; get tail pointer - mtctl %r1,%pcoq ; insert tail pointer - ldo 4(%r1),%r1 ; advance tail pointer - mtctl %r1,%pcoq ; insert new tail pointer, former tail->head - -do_restore - b,n STUB_RESTORE - nop -;------------------------------------------------------------------------------- - -print_intr -; %dp may be messed up, so do self-relocating to reach Save_area - blr %r0,%r1 - addil L%Str01-pr_intr_0,%r1 - -pr_intr_0 - ldo R%Str01-pr_intr_0(%r1),%r1 ; r1 points to Save_area - b puts ; print string--return through rp - add %r1,%arg0,%arg0 - -;------------------------------------------------------------------------------- - -halt -; %dp may be messed up, so do self-relocating to reach Save_area - blr %r0,%r1 - addil L%HaltStr-halt_0,%r1 - -halt_0 - bl puts,%rp ; print halt message - ldo R%HaltStr-halt_0(%r1),%arg0 - - nop - b,n . ; loop forever - nop - -;------------------------------------------------------------------------------- - -recover - ;; was the AdvancePCOQ .macro - mtctl %r0,%pcoq ; throw away iiaoq head pointer, tail->head - mfctl %pcoq,%r1 ; get tail pointer - mtctl %r1,%pcoq ; insert tail pointer - ldo 4(%r1),%r1 ; advance tail pointer - mtctl %r1,%pcoq ; insert new tail pointer, former tail->head - - rfir - -;------------------------------------------------------------------------------- - -save_state ; %r25 is return pointer -; %dp may be messed up, so do self-relocating to reach Save_area - blr %r0,%r1 - addil L%Save_area-sa_st_0,%r1 - -sa_st_0 - ldo R%Save_area-sa_st_0(%r1),%r1 ; r1 points to Save_area - -; save general registers - stw %r0,R_gr0(%r1) - ; don't save %r1 until restored - stw %r2,R_gr2(%r1) - stw %r3,R_gr3(%r1) - stw %r4,R_gr4(%r1) - stw %r5,R_gr5(%r1) - stw %r6,R_gr6(%r1) - stw %r7,R_gr7(%r1) - ; don't save %r8, %r9 until restored - stw %r10,R_gr10(%r1) - stw %r11,R_gr11(%r1) - stw %r12,R_gr12(%r1) - stw %r13,R_gr13(%r1) - stw %r14,R_gr14(%r1) - stw %r15,R_gr15(%r1) - ; don't save %r16, %r17 until restored - stw %r18,R_gr18(%r1) - stw %r19,R_gr19(%r1) - stw %r20,R_gr20(%r1) - stw %r21,R_gr21(%r1) - stw %r22,R_gr22(%r1) - stw %r23,R_gr23(%r1) - ; don't save %r24, %r25 until restored - stw %r26,R_gr26(%r1) - stw %r27,R_gr27(%r1) - stw %r28,R_gr28(%r1) - stw %r29,R_gr29(%r1) - copy %r25,%rp ; copy return pointer to %rp - stw %r30,R_gr30(%r1) - copy %r1,%r19 ; save Save_area pointer in %r19 - stw %r31,R_gr31(%r1) - shdw_gr ; restore %r1 and %r25 (et al.) from shadow regs - shdw_gr - stw %r1,R_gr1(%r19) ; save %r1 - stw %r8,R_gr8(%r19) - stw %r9,R_gr9(%r19) - stw %r16,R_gr16(%r19) - stw %r17,R_gr17(%r19) - stw %r24,R_gr24(%r19) - -; save control registers - mfctl %rctr,%r1 - stw %r1,R_rctr(%r19) - mfctl %pidr1,%r1 - stw %r1,R_pidr1(%r19) - mfctl %pidr2,%r1 - stw %r1,R_pidr2(%r19) - mfctl %ccr,%r1 - stw %r1,R_ccr(%r19) - mfctl %sar,%r1 - stw %r1,R_sar(%r19) - mfctl %pidr3,%r1 - stw %r1,R_pidr3(%r19) - mfctl %pidr4,%r1 - stw %r1,R_pidr4(%r19) - mfctl %iva,%r1 - stw %r1,R_iva(%r19) - mfctl %eiem,%r1 - stw %r1,R_eiem(%r19) - mfctl %itmr,%r1 - stw %r1,R_itmr(%r19) - mfctl %pcsq,%r1 - mtctl %r1,%pcsq - stw %r1,R_pcsqH(%r19) - mfctl %pcsq,%r1 - mtctl %r1,%pcsq - stw %r1,R_pcsqT(%r19) - mfctl %pcoq,%r1 - mtctl %r1,%pcoq - stw %r1,R_pcoqH(%r19) - mfctl %pcoq,%r1 - mtctl %r1,%pcoq - stw %r1,R_pcoqT(%r19) - mfctl %iir,%r1 - stw %r1,R_iir(%r19) - mfctl %isr,%r1 - stw %r1,R_isr(%r19) - mfctl %ior,%r1 - stw %r1,R_ior(%r19) - mfctl %ipsw,%r1 - stw %r1,R_ipsw(%r19) - mfctl %eirr,%r1 - stw %r1,R_eirr(%r19) - mfctl %tr0,%r1 - stw %r1,R_tr0(%r19) - mfctl %tr1,%r1 - stw %r1,R_tr1(%r19) - mfctl %tr2,%r1 - stw %r1,R_tr2(%r19) - mfctl %tr3,%r1 - stw %r1,R_tr3(%r19) - mfctl %tr4,%r1 - stw %r1,R_tr4(%r19) - mfctl %tr5,%r1 - stw %r1,R_tr5(%r19) - mfctl %tr6,%r1 - stw %r1,R_tr6(%r19) - mfctl %tr7,%r1 - stw %r1,R_tr7(%r19) - -; save diagnose registers - mfcpu_c 0,%r1 - mfcpu_c 0,%r1 - stw %r1,R_cpu0(%r19) - -#ifdef PRINT_SPACE - stw %r25,R_gr25(%r19) - -; save space registers - mfsp %sr0,%r1 - stw %r1,R_sr0(%r19) - mfsp %sr1,%r1 - stw %r1,R_sr1(%r19) - mfsp %sr2,%r1 - stw %r1,R_sr2(%r19) - mfsp %sr3,%r1 - stw %r1,R_sr3(%r19) - mfsp %sr4,%r1 - stw %r1,R_sr4(%r19) - mfsp %sr5,%r1 - stw %r1,R_sr5(%r19) - mfsp %sr6,%r1 - stw %r1,R_sr6(%r19) - mfsp %sr7,%r1 - bv (%rp) - stw %r1,R_sr7(%r19) -#else - bv (%rp) - stw %r25,R_gr25(%r19) -#endif - - -;------------------------------------------------------------------------------- - -restore_to_STUB ; doesn't return--goes to STUB_RESTORE - ; Note--STUB_RESTORE executes rfir, - ; so we don't need to - copy %r1,%r8 ; save exception index -; %dp may be messed up, so do self-relocating to reach Save_area - bl re_st_0,%r1 - addil L%Save_area-re_st_0,%r1 - -re_st_0 - ldo R%Save_area-re_st_0(%r1),%r1 ; r1 points to Save_area - -; restore general registers - ldw R_gr2(%r1),%r2 - ldw R_gr3(%r1),%r3 - ldw R_gr4(%r1),%r4 - ldw R_gr5(%r1),%r5 - ldw R_gr6(%r1),%r6 - ldw R_gr7(%r1),%r7 -; ldw R_gr8(%r1),%r8 don't smash the exception index - ldw R_gr9(%r1),%r9 - ldw R_gr10(%r1),%r10 - ldw R_gr11(%r1),%r11 - ldw R_gr12(%r1),%r12 - ldw R_gr13(%r1),%r13 - ldw R_gr14(%r1),%r14 - ldw R_gr15(%r1),%r15 - ldw R_gr16(%r1),%r16 - ldw R_gr17(%r1),%r17 - ldw R_gr18(%r1),%r18 - ldw R_gr19(%r1),%r19 - ldw R_gr20(%r1),%r20 - ldw R_gr21(%r1),%r21 - ldw R_gr22(%r1),%r22 - ldw R_gr23(%r1),%r23 - ldw R_gr24(%r1),%r24 - ldw R_gr25(%r1),%r25 - ldw R_gr26(%r1),%r26 - ldw R_gr27(%r1),%r27 - ldw R_gr28(%r1),%r28 - ldw R_gr29(%r1),%r29 - ldw R_gr30(%r1),%r30 - ldw R_gr31(%r1),%r31 - ldw R_gr1(%r1),%r1 - b STUB_RESTORE - copy %r8,%r1 ; restore the exception index - -;------------------------------------------------------------------------------- - -#define HoldPtr %r10 -#define SavePtr %r11 -#define StrPtr %r12 -#define Count %r13 - -#define Hold_Hold 0*4 /* First word of hold area */ -#define Hold_Save 1*4 /* Second word of hold area */ -#define Hold_Str 2*4 /* Third word of hold area */ -#define Hold_Count 3*4 /* Fourth word of hold area */ -#define Hold_rp 4*4 /* Fifth word of hold area */ - -print_state -; %dp may be messed up, so do self-relocating to reach Save_area - blr %r0,%mrp - addil L%Hold_area-pr_st_0,%mrp - -pr_st_0 - ldo R%Hold_area-pr_st_0(%r1),%r1 ; r1 points to Hold_area - -; save working registers - - stw HoldPtr,Hold_Hold(%r1) - copy %r1,HoldPtr ; HoldPtr = &Hold_area - stw SavePtr,Hold_Save(HoldPtr) - ldo Save_area-Hold_area(HoldPtr),SavePtr ; SavePtr = &Save_area - stw StrPtr,Hold_Str(HoldPtr) - addil L%PrintLabels-pr_st_0,%mrp - stw Count,Hold_Count(HoldPtr) - ldo R%PrintLabels-pr_st_0(%r1),StrPtr - stw %rp,Hold_rp(HoldPtr) - - -#ifdef PRINT_SPACE - ldi 68,Count -#else - ldo R_gr0(SavePtr),SavePtr - ldi 60,Count -#endif - -; print register values - -print_loop - bl puts,%rp ; print label - ldo 1(StrPtr),%arg0 ; advance past length byte - bl putnum,%rp ; print register value - ldwm 4(SavePtr),%arg0 - ldbs,ma 1(StrPtr),%r1 - addib,> -1,Count,print_loop - add %r1,StrPtr,StrPtr - -; skip to next line - bl puts,%rp ; print label - ldo 1(StrPtr),%arg0 ; advance past length byte - -; restore working registers - - ldw Hold_rp(HoldPtr),%rp - ldw Hold_Count(HoldPtr),Count - ldw Hold_Str(HoldPtr),StrPtr - ldw Hold_Save(HoldPtr),SavePtr - bv (%rp) - ldw Hold_Hold(HoldPtr),HoldPtr - -#undef SavePtr -#undef HoldPtr -#undef StrPtr -#undef Count - -#undef Hold_Save -#undef Hold_Scr -#undef Hold_Str -#undef Hold_Count -#undef Hold_rp - -;------------------------------------------------------------------------------- - - .space $PRIVATE$ - .subspa $DATA$,align=4,access=0x1f - -/* Used to save machine registers before printing */ -Save_area - .block R_SIZE ; Used to store registers - -/* Used to hold callee-save registers */ -Hold_area - .block 8*4 ; 8 words to store temp. registers - -HaltStr - .stringz "\r\nHalted\r\n" - -RebootStr - .stringz "\r\nRebooting . . .\r\n" - -Str01 - .stringz "\r\nHPMC\r\n" - -Str02 - .stringz "\r\nPower Fail\r\n" - -Str03 - .stringz "\r\nRecovery Counter Trap\r\n" - -Str04 - .stringz "\r\nExternal Interrupt\r\n" - -Str05 - .stringz "\r\nLPMC\r\n" - -Str06 - .stringz "\r\nITLB Miss\r\n" - -Str07 - .stringz "\r\nInstruction Memory Protection Trap\r\n" - -Str08 - .stringz "\r\nIllegal Instruction\r\n" - -Str09 - .stringz "\r\nBreak Trap\r\n" - -Str0a - .stringz "\r\nPrivileged Operation\r\n" - -Str0b - .stringz "\r\nPrivileged Register\r\n" - -Str0c - .stringz "\r\nOverflow Trap\r\n" - -Str0d - .stringz "\r\nConditional Trap\r\n" - -Str0e - .stringz "\r\nAssist Exception\r\n" - -Str0f - .stringz "\r\nData TLB Miss\r\n" - -Str10 - .stringz "\r\nNon-access ITLB Miss\r\n" - -Str11 - .stringz "\r\nNon-access DTLB Miss\r\n" - -Str12 - .stringz "\r\nData Memory Protection Trap\r\n" - -Str13 - .stringz "\r\nData Memory Break\r\n" - -Str14 - .stringz "\r\nTLB Dirty Bit Trap\r\n" - -Str15 - .stringz "\r\nPage Reference Trap\r\n" - -Str16 - .stringz "\r\nAssist Emulation Trap\r\n" - -Str17 - .stringz "\r\nHigher-privilege Trap\r\n" - -Str18 - .stringz "\r\nLower-privilege Trap\r\n" - -Str19 - .stringz "\r\nTaken Branch Trap\r\n" - -Str20 - .stringz "\r\nHere I am!\r\n" - -PrintLabels -#ifdef PRINT_SPACE - .byte 10 - .stringz "sr 0 = 0x" - .byte 13 - .stringz "sr 1 = 0x" - .byte 13 - .stringz "sr 2 = 0x" - .byte 13 - .stringz " sr 3 = 0x" - .byte 12 - .stringz "\r\nsr 4 = 0x" - .byte 13 - .stringz " sr 5 = 0x" - .byte 13 - .stringz " sr 6 = 0x" - .byte 13 - .stringz " sr 7 = 0x" - .byte 13 - .stringz "\r\n\ngr 0 = 0x" -#else - .byte 10 - .stringz "gr 0 = 0x" -#endif - - .byte 13 - .stringz " gr 1 = 0x" - .byte 13 - .stringz " gr 2 = 0x" - .byte 13 - .stringz " gr 3 = 0x" - .byte 12 - .stringz "\r\ngr 4 = 0x" - .byte 13 - .stringz " gr 5 = 0x" - .byte 13 - .stringz " gr 6 = 0x" - .byte 13 - .stringz " gr 7 = 0x" - .byte 12 - .stringz "\r\ngr 8 = 0x" - .byte 13 - .stringz " gr 9 = 0x" - .byte 13 - .stringz " gr10 = 0x" - .byte 13 - .stringz " gr11 = 0x" - .byte 12 - .stringz "\r\ngr12 = 0x" - .byte 13 - .stringz " gr13 = 0x" - .byte 13 - .stringz " gr14 = 0x" - .byte 13 - .stringz " gr15 = 0x" - .byte 12 - .stringz "\r\ngr16 = 0x" - .byte 13 - .stringz " gr17 = 0x" - .byte 13 - .stringz " gr18 = 0x" - .byte 13 - .stringz " gr19 = 0x" - .byte 12 - .stringz "\r\ngr20 = 0x" - .byte 13 - .stringz " gr21 = 0x" - .byte 13 - .stringz " gr22 = 0x" - .byte 13 - .stringz " gr23 = 0x" - .byte 12 - .stringz "\r\ngr24 = 0x" - .byte 13 - .stringz " gr25 = 0x" - .byte 13 - .stringz " gr26 = 0x" - .byte 13 - .stringz " gr27 = 0x" - .byte 12 - .stringz "\r\ngr28 = 0x" - .byte 13 - .stringz " gr29 = 0x" - .byte 13 - .stringz " gr30 = 0x" - .byte 13 - .stringz " gr31 = 0x" - .byte 13 - .stringz "\r\n\nrctr = 0x" - .byte 53 - .stringz " cpu0 = 0x" - .byte 12 - .stringz "\r\npid1 = 0x" - .byte 13 - .stringz " pid2 = 0x" - .byte 13 - .stringz " ccr = 0x" - .byte 13 - .stringz " sar = 0x" - .byte 12 - .stringz "\r\npid3 = 0x" - .byte 13 - .stringz " pid4 = 0x" - .byte 13 - .stringz " iva = 0x" - .byte 13 - .stringz " eiem = 0x" - .byte 12 - .stringz "\r\nitmr = 0x" - .byte 13 - .stringz " iasq = 0x" - .byte 13 - .stringz " iaoq = 0x" - .byte 13 - .stringz " iir = 0x" - .byte 32 - .stringz "\r\n iasq = 0x" - .byte 13 - .stringz " iaoq = 0x" - .byte 12 - .stringz "\r\n isr = 0x" - .byte 13 - .stringz " ior = 0x" - .byte 13 - .stringz " ipsw = 0x" - .byte 13 - .stringz " eirr = 0x" - .byte 12 - .stringz "\r\ncr24 = 0x" - .byte 13 - .stringz " cr25 = 0x" - .byte 13 - .stringz " cr26 = 0x" - .byte 13 - .stringz " cr27 = 0x" - .byte 12 - .stringz "\r\ncr28 = 0x" - .byte 13 - .stringz " cr29 = 0x" - .byte 13 - .stringz " cr30 = 0x" - .byte 13 - .stringz " cr31 = 0x" - .byte 4 - .stringz "\r\n\n" - - .end diff --git a/libgloss/hp74x/pa_stub.c b/libgloss/hp74x/pa_stub.c deleted file mode 100644 index 296492175..000000000 --- a/libgloss/hp74x/pa_stub.c +++ /dev/null @@ -1,698 +0,0 @@ -/* -*-C-*- -******************************************************************************* -* -* File: pa_stub.c -* RCS: $Header$ -* Description: main routines for PA RISC monitor stub -* Author: Robert Quist -* Created: Mon Nov 1 10:00:36 1993 -* Modified: Fri Nov 12 15:14:23 1993 (Robert Quist) quist@hpfcrdq -* Language: C -* Package: N/A -* Status: Experimental (Do Not Distribute) -* -******************************************************************************* -*/ - -/**************************************************************************** - - THIS SOFTWARE IS NOT COPYRIGHTED - - HP offers the following for use in the public domain. HP makes no - warranty with regard to the software or it's performance and the - user accepts the software "AS IS" with all faults. - - HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD - TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -****************************************************************************/ - -/**************************************************************************** - * - * Description: low level support for gdb debugger. $ - * - * Considerations: only works on target hardware $ - * - * NOTES: See Below $ - * - * 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 - - - ************* - * - * 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 <signal.h> -#include "hppa-defs.h" - -/************************************************************************ - * - * external low-level support - */ -#define OPT_PDC_CACHE 5 -#define OPT_PDC_ADD_VALID 12 -#define PGZ_MEM_PDC 0x0388 /* location of PDC_ENTRY in memory */ -#define CALL_PDC (*(int (*)())((int *)(*((int *)PGZ_MEM_PDC)))) - -extern putDebugChar(); /* write a single character */ -extern getDebugChar(); /* read and return a single char */ -extern FICE(); /* flush i cache entry */ -extern INLINE_BREAK(); /* break for user call */ - -#define RADDR_ALIGN(s,r) (s = ((unsigned int *) ((((int) r ) + 7 ) & 0xFFFFFFF8))) - -/************************************************************************/ -/* BUFMAX defines the maximum number of characters in inbound/outbound buffers*/ -/* at least NUMREGBYTES*2 are needed for register packets */ - -#define BUFMAX 2048 - -#define NUMGPRS 32 -#define NUMSRS 8 -#define NUMCRS 32 -#define NUMSPCLS 3 -#define NUMFPRS 32 - -#define NUMGPRBYTES 4 -#define NUMSRBYTES 4 -#define NUMCRBYTES 4 -#define NUMSPCLBYTES 4 -#define NUMFPRBYTES 8 - -/* Number of bytes of registers. */ -#define NUMREGBYTES \ - ( (NUMGPRS * NUMGPRBYTES) \ - + (NUMSRS * NUMSRBYTES) \ - + (NUMCRS * NUMCRBYTES) \ - + (NUMSPCLS * NUMSPCLBYTES) \ - + (NUMFPRS * NUMFPRBYTES) \ - ) - - -enum regnames {GR0, GR1, GR2, GR3, GR4, GR5, GR6, GR7, - GR8, GR9, GR10, GR11, GR12, GR13, GR14, GR15, - GR16, GR17, GR18, GR19, GR20, GR21, GR22, GR23, - GR24, GR25, GR26, GR27, GR28, GR29, GR30, GR31, - - SR0, SR1, SR2, SR3, SR4, SR5, SR6, SR7, - - CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7, - CR8, CR9, CR10, CR11, CR12, CR13, CR14, CR15, - CR16, CR17H,CR18H,CR19, CR20, CR21, CR22, CR23, - CR24, CR25, CR26, CR27, CR28, CR29, CR30, CR31, - - CR17T,CR18T,CPUD0 }; - -enum fregnames {FPR0, FPR1, FPR2, FPR3, FPR4, FPR5, FPR6, FPR7, - FPR8, FPR9, FPR10, FPR11, FPR12, FPR13, FPR14, FPR15, - FPR16, FPR17, FPR18, FPR19, FPR20, FPR21, FPR22, FPR23, - FPR24, FPR25, FPR26, FPR27, FPR28, FPR29, FPR30, FPR31 }; - -#define PC CR18H -#define NPC CR18T -#define SP GR30 - -struct registers { - int intregs[NUMGPRS + NUMSRS + NUMCRS + NUMSPCLS]; - int fpregs [NUMFPRS * 2]; - }; -/* Global Variables */ - -static int initialized = 0; /* !0 means we've been initialized */ -static unsigned char hexchars[]="0123456789abcdef"; -static unsigned char remcomInBuffer[BUFMAX]; -static unsigned char remcomOutBuffer[BUFMAX]; -static unsigned int i_cache_params[6]; - -/* This table contains the mapping between PA hardware exception - types, and signals, which are primarily what GDB understands. It also - indicates which hardware traps we need to commandeer when initializing - the stub. - - The only two currently used are Recovery counter (single stepping) - and Break trap ( break points ). -*/ - -static struct hard_trap_info -{ - unsigned char tt; /* Trap number for PA-RISC */ - unsigned char signo; /* Signal that we map this trap into */ -} hard_trap_info[] = { -/* 1 High priority machine check */ -/* 2 Power failure interrupt*/ -/* 3 Recovery counter -- init */ -/* 4 External interrupt */ -/* 5 Low priority machine check */ - {6, SIGSEGV}, /* Instruction TLB miss/page fault */ - {7, SIGSEGV}, /* Memory protection */ - {8, SIGILL}, /* Illegal instruction */ - {9, SIGTRAP}, /* Break instruction -- init */ - {10,SIGILL}, /* Privileged instruction */ - {11,SIGILL}, /* Privileged register */ - {12,SIGUSR1}, /* Overflow */ - {13,SIGUSR2}, /* Conditional */ - {14,SIGEMT}, /* Assist Exception */ - {15,SIGSEGV}, /* Data TLB miss/page fault */ - {16,SIGSEGV}, /* Non-access Instruction TLB miss */ - {17,SIGSEGV}, /* Non-access Data TLB miss/page fault */ - {18,SIGSEGV}, /* Data memory protection/ unaligned data reference */ - {19,SIGTRAP}, /* Data memory break */ - {20,SIGSEGV}, /* TLB dirty bit */ - {21,SIGSEGV}, /* Page reference */ - {22,SIGEMT}, /* Assist emulation */ - {23,SIGILL}, /* Higher-privilege */ - {24,SIGILL}, /* Lower-privilege */ - {25,SIGTRAP}, /* Taken branch */ - {0, 0} /* Must be last */ -}; - -/* Functions */ -/*========================================================================== */ - -/* 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 $<data>#<checksum> */ - -static void -getpacket(buffer) - char *buffer; -{ - unsigned char checksum; - unsigned char xmitcsum; - int i; - int count; - unsigned char ch; - - do - { - /* wait around for the start character, ignore all other characters */ - strobe(); - while ((ch = getDebugChar()) != '$') ; - - checksum = 0; - xmitcsum = -1; - - count = 0; - - /* now, read until a # or end of buffer is found */ - while (count < BUFMAX) - { - ch = getDebugChar(); - if (ch == '#') - break; - checksum = checksum + ch; - buffer[count] = ch; - count = count + 1; - } - - if (count >= BUFMAX) - continue; - - buffer[count] = 0; - - if (ch == '#') - { - xmitcsum = hex(getDebugChar()) << 4; - xmitcsum |= hex(getDebugChar()); - -#if TESTING - /* Humans shouldn't have to figure out checksums to type to it. */ - putDebugChar ('+'); - return; -#endif - if (checksum != xmitcsum) - putDebugChar('-'); /* failed checksum */ - else - { - putDebugChar('+'); /* successful transfer */ - /* if a sequence char is present, reply the sequence ID */ - if (buffer[2] == ':') - { - putDebugChar(buffer[0]); - putDebugChar(buffer[1]); - /* remove sequence chars from buffer */ - count = strlen(buffer); - for (i=3; i <= count; i++) - buffer[i-3] = buffer[i]; - } - } - } - } - while (checksum != xmitcsum); -} - -/* send the packet in buffer. */ - -static void -putpacket(buffer) - unsigned char *buffer; -{ - unsigned char checksum; - int count; - unsigned char ch; - - /* $<packet info>#<checksum>. */ - - do - { - putDebugChar('$'); - checksum = 0; - count = 0; - - while (ch = buffer[count]) - { - if (! putDebugChar(ch)) - return; - checksum += ch; - count += 1; - } - - putDebugChar('#'); - putDebugChar(hexchars[checksum >> 4]); - putDebugChar(hexchars[checksum & 0xf]); - } while (getDebugChar() != '+'); -} - -/* 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; - int check_addr, - new_addr; - - check_addr = 0; - - while (count-- > 0) - { - if (may_fault) - { new_addr = ((int) (mem+3)) & 0xFFFFFFF8; - if (new_addr != check_addr) - { check_addr = new_addr; - if (pdc_call(OPT_PDC_ADD_VALID,0,check_addr)) return 0; - } - } - ch = *mem++; - *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 unsigned char * -hex2mem(buf, mem, count, may_fault) - unsigned char *buf; - unsigned char *mem; - int count; - int may_fault; -{ - int i; - unsigned int ch; - int check_addr, - new_addr; - - check_addr = 0; - - for (i=0; i<count; i++) - { - ch = hex(*buf++) << 4; - ch |= hex(*buf++); - if (may_fault) - { new_addr = ((int)(mem+3)) & 0xFFFFFFF8; - if (new_addr != check_addr) - { check_addr = new_addr; - if (pdc_call(OPT_PDC_ADD_VALID,0,check_addr)) return 0; - } - } - *mem++ = ch; - } - - return mem; -} - -/* Set up exception handlers for traceing and breakpoints */ - -void -set_debug_traps() -{ - unsigned int R_addr[33]; - unsigned int *Raddr_ptr; - - setup_vectors(); - - /* get cache params for use by flush_i_cache */ - RADDR_ALIGN(Raddr_ptr,R_addr); - - if (pdc_call(OPT_PDC_CACHE,0,Raddr_ptr,0)) - i_cache_params[0] = -1; - else - i_cache_params[0] = R_addr[0]; - - i_cache_params[1] = Raddr_ptr[1]; - i_cache_params[2] = Raddr_ptr[2]; - i_cache_params[3] = Raddr_ptr[3]; - i_cache_params[4] = Raddr_ptr[4]; - i_cache_params[5] = Raddr_ptr[5]; - - /* In case GDB is started before us, ack any packets (presumably - "$?#xx") sitting there. */ - - putDebugChar ('+'); - - initialized = 1; -} - - -/* Convert the PA-RISC hardware trap number 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(ptr, intValue) - unsigned 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); -} - -void -flush_i_cache() - -{ - unsigned int addr,count,loop; - - if (i_cache_params[0] <= 0) return; - - addr = i_cache_params[2]; - for (count = 0; count < i_cache_params[4]; count++) - { for ( loop = 0; loop < i_cache_params[5]; loop++) FICE(addr); - addr = addr + i_cache_params[3]; - } -} - -/* - * This function does all command procesing for interfacing to gdb. - return of 0 will execute DEBUG_GO (continue) - return of 1 will execute DEBUG_SS (single step) - */ - -int -handle_exception (registers,tt) - unsigned long *registers; - int tt; /* Trap type */ -{ - int sigval; - int addr; - int length; - unsigned char *ptr; - - /* reply to host that an exception has occurred */ - sigval = computeSignal(tt); - ptr = remcomOutBuffer; - - *ptr++ = 'T'; - *ptr++ = hexchars[sigval >> 4]; - *ptr++ = hexchars[sigval & 0xf]; - -/* could be lots of stuff here like PC and SP registers */ - - *ptr++ = 0; - - putpacket(remcomOutBuffer); - - while (1) - { - remcomOutBuffer[0] = 0; - - getpacket(remcomInBuffer); - switch (remcomInBuffer[0]) - { - case '?': - remcomOutBuffer[0] = 'S'; - remcomOutBuffer[1] = hexchars[sigval >> 4]; - remcomOutBuffer[2] = hexchars[sigval & 0xf]; - remcomOutBuffer[3] = 0; - break; - - case 'd': - /* toggle debug flag */ - led_putnum (16); - break; - - case 'g': /* return the value of the CPU registers */ - { - ptr = remcomOutBuffer; - /* GR0..GR31 SR0..SR7 CR0..CR31 specials */ - ptr = mem2hex((char *)registers, ptr, NUMREGBYTES, 0); - /* need to add floating point registers */ - } - break; - - case 'G': /* set the value of the CPU registers - return OK */ - { - ptr = &remcomInBuffer[1]; - /* GR0..GR31 SR0..SR7 CR0..CR31 specials */ - hex2mem(ptr, (char *)registers, NUMREGBYTES, 0); - strcpy(remcomOutBuffer,"OK 1"); - } - break; - - case 'm': /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */ - /* Try to read %x,%x. */ - - 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; - - case 'M': /* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */ - /* Try to read '%x,%x:'. */ - - 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; - - case 'c': /* cAA..AA Continue at address AA..AA(optional) */ - /* try to read optional parameter, pc unchanged if no parm */ - - ptr = &remcomInBuffer[1]; - if (hexToInt(&ptr, &addr)) - { - registers[PC] = addr; - registers[NPC] = addr + 4; - } - -/* Need to flush the instruction cache here, as we may have deposited a - breakpoint, and the icache probably has no way of knowing that a data ref to - some location may have changed something that is in the instruction cache. - */ - - flush_i_cache(); - return 0; /* execute GO */ - - /* kill the program */ - case 'k' : /* do nothing */ - break; - - case 's' : /* single step */ - /* try to read optional parameter, pc unchanged if no parm */ - - ptr = &remcomInBuffer[1]; - if (hexToInt(&ptr, &addr)) - { - registers[PC] = addr; - registers[NPC] = addr + 4; - } -/* Need to flush the instruction cache here, as we may have deposited a - breakpoint, and the icache probably has no way of knowing that a data ref to - some location may have changed something that is in the instruction cache. - */ - flush_i_cache(); - return 1; /* execute Single Step */ - break; - -#if TESTING1 - case 't': /* Test feature */ - break; -#endif - case 'r': /* Reset */ - break; - -#if TESTING2 -Disabled until we can unscrew this properly - - case 'b': /* bBB... Set baud rate to BB... */ - { - int baudrate; - extern void set_timer_3(); - - ptr = &remcomInBuffer[1]; - if (!hexToInt(&ptr, &baudrate)) - { - strcpy(remcomOutBuffer,"B01"); - break; - } - - /* Convert baud rate to uart clock divider */ - switch (baudrate) - { - case 38400: - baudrate = 16; - break; - case 19200: - baudrate = 33; - break; - case 9600: - baudrate = 65; - break; - default: - strcpy(remcomOutBuffer,"B02"); - goto x1; - } - - putpacket("OK 2"); /* Ack before changing speed */ - set_timer_3(baudrate); /* Set it */ - } -x1: break; -#endif - } /* switch */ - - /* reply to the request */ - putpacket(remcomOutBuffer); - } - print ("\r\nEscaped handle_exception\r\n"); -} diff --git a/libgloss/hp74x/test.c b/libgloss/hp74x/test.c deleted file mode 100644 index 2fd84ac11..000000000 --- a/libgloss/hp74x/test.c +++ /dev/null @@ -1,47 +0,0 @@ -extern int led_putnum(); -#define DELAY 900000 -extern char strobe(),putDebugChar(),print(),putnum(); -extern char foobar(); -extern char breakpoint(); - -#define TESTSTUB 1 - -main() -{ - unsigned char x; - char buf[20]; - -#if TESTIO - strobe(); - outbyte ('\n'); - outbyte ('$'); - write (2, "Enter 5 characters... ", 24); - read (0, buf, 5); - print (buf); - print ("\r\n"); - strobe (); -#endif - -#if TESTSTUB - print ("\r\nInit vectors...\r\n"); -/*** set_debug_traps(); ***/ - print ("\r\nSet a breakpoint...\r\n"); - handle_exception(); -/*** breakpoint(); ***/ -#endif - - print ("\r\nTest foobar\r\n"); - foobar(); - /* whew, we made it */ - print ("\r\nDone..."); -} - -/* - * FIXME: this is only hear so things will link. - */ -int -puts(s) - char *s; -{ - s++; -} |