diff options
Diffstat (limited to 'libgloss/mt')
41 files changed, 0 insertions, 6059 deletions
diff --git a/libgloss/mt/16-002.ld b/libgloss/mt/16-002.ld deleted file mode 100644 index 9dfd62eff..000000000 --- a/libgloss/mt/16-002.ld +++ /dev/null @@ -1,248 +0,0 @@ -OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt") -OUTPUT_ARCH(mt) -ENTRY(__boot_start) - -/* Do we need any of these for elf? - __DYNAMIC = 0; */ -MEMORY -{ - ram (rwx) : ORIGIN = 0x0, LENGTH = 128K - frame-buffer (w) : ORIGIN = 0xde0000, LENGTH = 40K - ports (w) : ORIGIN = 0xfff000, LENGTH = 4K - dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 16M-4K -} -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = 0x0; - PROVIDE(__executable_start = 0x0); - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .gnu.version : { *(.gnu.version) } - .gnu.version_d : { *(.gnu.version_d) } - .gnu.version_r : { *(.gnu.version_r) } - .rel.init : { *(.rel.init) } - .rela.init : { *(.rela.init) } - .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } - .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } - .rel.fini : { *(.rel.fini) } - .rela.fini : { *(.rela.fini) } - .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } - .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } - .rel.data.rel.ro : { *(.rel.data.rel.ro*) } - .rela.data.rel.ro : { *(.rela.data.rel.ro*) } - .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } - .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } - .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } - .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } - .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } - .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } - .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } - .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } - .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) } - .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } - .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } - .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } - .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } - .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } - .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - - .startup : { *startup-16-002.o(.startup) } >ram =0 - . = 0x40 ; - - .init : { KEEP (*(.init)) } >ram =0 - .plt : { *(.plt) } >ram - .text : - { - *startup-16-002.o(.text) - *(.text .stub .text.* .gnu.linkonce.t.*) - KEEP (*(.text.*personality*)) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - } >ram =0 - .fini : { KEEP (*(.fini)) } >ram =0 - PROVIDE (__etext = .); - PROVIDE (_etext = .); - PROVIDE (etext = .); - .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >ram - .rodata1 : { *(.rodata1) } >ram - .sdata2 : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } >ram - .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >ram - .eh_frame_hdr : { *(.eh_frame_hdr) } >ram - .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } >ram - .gcc_except_table : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram - /* Adjust the address for the data segment. We want to adjust up to - the same address within the page on the next page up. */ - . = ALIGN(256) + (. & (256 - 1)); - /* Exception handling */ - .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } >ram - .gcc_except_table : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram - /* Thread Local Storage sections */ - .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } >ram - .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >ram - /* Ensure the __preinit_array_start label is properly aligned. We - could instead move the label definition inside the section, but - the linker would then create the section even if it turns out to - be empty, which isn't pretty. */ - . = ALIGN(32 / 8); - PROVIDE (__preinit_array_start = .); - .preinit_array : { *(.preinit_array) } >ram - PROVIDE (__preinit_array_end = .); - PROVIDE (__init_array_start = .); - .init_array : { *(.init_array) } >ram - PROVIDE (__init_array_end = .); - PROVIDE (__fini_array_start = .); - .fini_array : { *(.fini_array) } >ram - PROVIDE (__fini_array_end = .); - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - KEEP (*crtbegin.o(.ctors)) - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } >ram - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } >ram - .jcr : { KEEP (*(.jcr)) } >ram - .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) } >ram - .dynamic : { *(.dynamic) } >ram - - /* DJK - Re-align the data section from the read-only section. */ - . = ALIGN(16) + (. & (16 - 1)); - PROVIDE (_data = .); - .data : - { - *(.data .data.* .gnu.linkonce.d.*) - SORT(CONSTRUCTORS) - } >ram - .data1 : { *(.data1) } >ram - .got : { *(.got.plt) *(.got) } >ram - - /* We want the small data sections together, so single-instruction offsets - can access them all, and initialized data all before uninitialized, so - we can shorten the on-disk segment size. */ - .sdata : { *(.sdata .sdata.* .gnu.linkonce.s.*) } >ram - _edata = .; - PROVIDE ( edata = . ) ; - .sbss : - { - PROVIDE (__sbss_start = .); - PROVIDE (___sbss_start = .); - *(.dynsbss) - *(.sbss .sbss.* .gnu.linkonce.sb.*) - *(.scommon) - PROVIDE (__sbss_end = .); - PROVIDE (___sbss_end = .); - } >ram - .bss : - { - *(.dynbss) - *(.bss .bss.* .gnu.linkonce.b.*) - *(COMMON) - /* Align here to ensure that the .bss section occupies space up to - _end. Align after .bss to ensure correct alignment even if the - .bss section disappears because there are no input sections. */ - . = ALIGN(32 / 8); - } >ram - . = ALIGN(32 / 8); - __bss_start = ADDR ( .sbss ) ; - __bss_end = __bss_start + SIZEOF ( .sbss ) + SIZEOF ( .bss ) - 4 ; - _end = .; - PROVIDE (end = .); - - /* DJK - Initialized frame buffer data is copied from RAM to FB. */ - .auxbss : AT (ADDR(.bss) + SIZEOF(.bss)) { *(.auxbss) } >frame-buffer - .auxdata : AT (LOADADDR(.auxbss) + SIZEOF(.auxbss)) - { - *(.auxdata) - } >frame-buffer - - _fbbss_start = ADDR ( .auxbss ); - _fbbss_end = _fbbss_start + SIZEOF ( .auxbss ) - 4; - _fbdata_start = LOADADDR ( .auxdata ); - _fbdata_end = _fbdata_start + SIZEOF ( .auxdata ) ; - _fbdata_vma = ADDR ( .auxdata ); - - PROVIDE (__FRAME_BUFFER_START = ADDR(.auxbss) ); - PROVIDE (__FRAME_BUFFER_SIZE = 0xa000); - PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE); - - .dma : { _dma_start = .; *(.dma) _dma_end = .; } >dma-ram - .internal_io (NOLOAD) : { *(.internal_io) } >ports - - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to the beginning - of the section so we begin them at 0. */ - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } - - /* In a multi-core environment, each core is given its own stack space - equal to __stack_size. */ - PROVIDE (__stack = 0x1fff0); - PROVIDE (__stack_size = 0x800); - - .stack (DEFINED(__stack) ? __stack : 0x007ffff0) : - { - __stack = .; - *(.stack) - LONG(0xdeaddead) - } - /DISCARD/ : { *(.note.GNU-stack) } -} diff --git a/libgloss/mt/16-003.ld b/libgloss/mt/16-003.ld deleted file mode 100644 index c837b7540..000000000 --- a/libgloss/mt/16-003.ld +++ /dev/null @@ -1,258 +0,0 @@ -OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt") -OUTPUT_ARCH(mt) -ENTRY(__boot_start) - -/* Do we need any of these for elf? - __DYNAMIC = 0; */ -MEMORY -{ - ram (rwx) : ORIGIN = 0x0, LENGTH = 608K - frame-buffer (w) : ORIGIN = 0xff000000, LENGTH = 80K - dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 16M-4K - ports (w) : ORIGIN = 0xfffff000, LENGTH = 4K -} -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = 0x0; - PROVIDE(__executable_start = 0x0); - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .gnu.version : { *(.gnu.version) } - .gnu.version_d : { *(.gnu.version_d) } - .gnu.version_r : { *(.gnu.version_r) } - .rel.init : { *(.rel.init) } - .rela.init : { *(.rela.init) } - .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } - .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } - .rel.fini : { *(.rel.fini) } - .rela.fini : { *(.rela.fini) } - .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } - .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } - .rel.data.rel.ro : { *(.rel.data.rel.ro*) } - .rela.data.rel.ro : { *(.rela.data.rel.ro*) } - .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } - .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } - .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } - .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } - .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } - .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } - .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } - .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } - .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) } - .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } - .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } - .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } - .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } - .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } - .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - - .startup : { *startup-16-003.o(.startup) } >ram =0 - . = 0x40; - - .init : { KEEP (*(.init)) } >ram =0 - .plt : { *(.plt) } >ram - .text : - { - *startup-16-003.o(.text); - *(.text .stub .text.* .gnu.linkonce.t.*) - KEEP (*(.text.*personality*)) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - } >ram =0 - .fini : { KEEP (*(.fini)) } >ram =0 - PROVIDE (__etext = .); - PROVIDE (_etext = .); - PROVIDE (etext = .); - .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >ram - .rodata1 : { *(.rodata1) } >ram - .sdata2 : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } >ram - .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >ram - .eh_frame_hdr : { *(.eh_frame_hdr) } >ram - .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } >ram - .gcc_except_table : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram - /* Adjust the address for the data segment. We want to adjust up to - the same address within the page on the next page up. */ - . = ALIGN(256) + (. & (256 - 1)); - /* Exception handling */ - .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } >ram - .gcc_except_table : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram - /* Thread Local Storage sections */ - .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } >ram - .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >ram - /* Ensure the __preinit_array_start label is properly aligned. We - could instead move the label definition inside the section, but - the linker would then create the section even if it turns out to - be empty, which isn't pretty. */ - . = ALIGN(32 / 8); - PROVIDE (__preinit_array_start = .); - .preinit_array : { *(.preinit_array) } >ram - PROVIDE (__preinit_array_end = .); - PROVIDE (__init_array_start = .); - .init_array : { *(.init_array) } >ram - PROVIDE (__init_array_end = .); - PROVIDE (__fini_array_start = .); - .fini_array : { *(.fini_array) } >ram - PROVIDE (__fini_array_end = .); - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - KEEP (*crtbegin.o(.ctors)) - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } >ram - .dtors : - { - KEEP (*crtbegin*.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } >ram - .jcr : { KEEP (*(.jcr)) } >ram - .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) } >ram - .dynamic : { *(.dynamic) } >ram - - /* DJK - Re-align the data section from the read-only section. */ - . = ALIGN(16) + (. & (16 - 1)); - PROVIDE (_data = .); - .data : - { - *(.data .data.* .gnu.linkonce.d.*) - KEEP (*(.gnu.linkonce.d.*personality*)) - SORT(CONSTRUCTORS) - } >ram - .data1 : { *(.data1) } >ram - .got : { *(.got.plt) *(.got) } >ram - - /* We want the small data sections together, so single-instruction offsets - can access them all, and initialized data all before uninitialized, so - we can shorten the on-disk segment size. */ - .sdata : { *(.sdata .sdata.* .gnu.linkonce.s.*) } >ram - _edata = .; - PROVIDE ( edata = . ); - .sbss : - { - PROVIDE (__sbss_start = .); - PROVIDE (___sbss_start = .); - *(.dynsbss) - *(.sbss .sbss.* .gnu.linkonce.sb.*) - *(.scommon) - PROVIDE (__sbss_end = .); - PROVIDE (___sbss_end = .); - } >ram - .bss : - { - *(.dynbss) - *(.bss .bss.* .gnu.linkonce.b.*) - *(COMMON) - /* Align here to ensure that the .bss section occupies space up to - _end. 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__stack : 0x007ffff0) : - { - __stack = .; - *(.stack) - LONG(0xdeaddead) - } - /DISCARD/ : { *(.note.GNU-stack) } -} diff --git a/libgloss/mt/64-001.ld b/libgloss/mt/64-001.ld deleted file mode 100644 index 501ec32f8..000000000 --- a/libgloss/mt/64-001.ld +++ /dev/null @@ -1,282 +0,0 @@ -OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt") -OUTPUT_ARCH(mt) -ENTRY(__boot_start) - -/* Do we need any of these for elf? - __DYNAMIC = 0; */ -MEMORY -{ - rom (rx) : ORIGIN = 0x000000, LENGTH = 8M - frame-buffer (w) : ORIGIN = 0x800000, LENGTH = 64K - ram (w) : ORIGIN = 0xc00000, LENGTH = 4M - dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 16M -} -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - PROVIDE (__executable_start = 0x0); . = 0x0; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .gnu.version : { *(.gnu.version) } - .gnu.version_d : { *(.gnu.version_d) } - .gnu.version_r : { *(.gnu.version_r) } - .rel.init : { *(.rel.init) } - .rela.init : { *(.rela.init) } - .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } - .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } - .rel.fini : { *(.rel.fini) } - .rela.fini : { *(.rela.fini) } - .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } - .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } - .rel.data.rel.ro : { *(.rel.data.rel.ro*) } - .rela.data.rel.ro : { *(.rel.data.rel.ro*) } - .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } - .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } - .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } - .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } - .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } - .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } - .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } - .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } - .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) } - .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } - .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } - .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } - .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } - .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } - .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - - .startup : { *startup-64-001.o(.startup) } >rom =0 - - .init : { KEEP (*(.init)) } >rom =0 - .plt : { *(.plt) } >rom - .text : - { - *startup-64-001.o(.text) - *(.text .stub .text.* .gnu.linkonce.t.*) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - } >rom =0 - .fini : - { - KEEP (*(.fini)) - } >rom =0 - PROVIDE (__etext = .); - PROVIDE (_etext = .); - PROVIDE (etext = .); - .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >rom - .rodata1 : { *(.rodata1) } >rom - - /* Data starting here needs to be copied from ROM to the frame buffer. */ - /* Section .sdata2 is used as the beginning marker of the frame buffer - address as well as the start of the data that needs to be copied. */ - .sdata2 : AT (ADDR(.rodata1) + SIZEOF(.rodata1)) - { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } >frame-buffer - .sbss2 : AT (LOADADDR(.sdata2) + SIZEOF(.sdata2)) - { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >frame-buffer - .eh_frame_hdr : AT (LOADADDR(.sbss2) + SIZEOF(.sbss2)) - { *(.eh_frame_hdr) } >frame-buffer - .eh_frame : AT (LOADADDR(.eh_frame_hdr) + SIZEOF(.eh_frame_hdr)) - ONLY_IF_RO { KEEP (*(.eh_frame)) } >frame-buffer - .gcc_except_table : AT (LOADADDR(.eh_frame) + SIZEOF(.eh_frame)) - ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >frame-buffer - /* Adjust the address for the data segment. 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Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. 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Align after .bss to ensure correct alignment even if the - .bss section disappears because there are no input sections. */ - . = ALIGN(32 / 8); - } >frame-buffer - . = ALIGN(32 / 8); - __bss_start = ADDR(.sbss) ; - __bss_end = __bss_start + SIZEOF(.sbss) + SIZEOF(.bss) - 4 ; - _end = .; - PROVIDE (end = .); - - PROVIDE ( _extdata_start = ADDR(.bss) + SIZEOF(.bss)); - .extdata : AT ( LOADADDR(.bss) + SIZEOF(.bss)) - { - *(.extdata) - } >ram - PROVIDE (_extdata_end = _extdata_start + SIZEOF(.extdata) - 4 ); - - .extbss : AT ( LOADADDR(.extdata) + SIZEOF(.extdata)) - { - _extbss_start = .; - *(.extbss); - . = ALIGN(4); - _extbss_end = .; - } >ram - . = ALIGN(4); - - PROVIDE (__EXTERNAL_MEMORY_START = 0xc00000); - - .dma : - { - _dma_start = .; - *(.dma) - _dma_end = .; - } >dma-ram - - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to the beginning - of the section so we begin them at 0. */ - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } - - - PROVIDE (__stack = 0x80fff0); - - .stack (DEFINED(__stack) ? __stack : 0x7FFFF0) : - { - __stack = .; - *(.stack) - LONG(0xdeaddead) - } - /DISCARD/ : { *(.note.GNU-stack) } -} diff --git a/libgloss/mt/Makefile.in b/libgloss/mt/Makefile.in deleted file mode 100644 index 031c864ba..000000000 --- a/libgloss/mt/Makefile.in +++ /dev/null @@ -1,128 +0,0 @@ -# Copyright (c) 2001, 2005 Red Hat, Inc. -# -# The authors hereby grant permission to use, copy, modify, distribute, -# and license this software and its documentation for any purpose, provided -# that existing copyright notices are retained in all copies and that this -# notice is included verbatim in any distributions. No written agreement, -# license, or royalty fee is required for any of the authorized uses. -# Modifications to this software may be copyrighted by their authors -# and need not follow the licensing terms described here, provided that -# the new terms are clearly indicated on the first page of each file where -# they apply. - -# Makefile for libgloss/mt. This is the board support for the Morpho mt. - -VPATH = @srcdir@ @srcdir@/.. -srcdir = @srcdir@ -objdir = . -srcroot = $(srcdir)/../.. -objroot = $(objdir)/../.. - -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -host_alias = @host_alias@ -target_alias = @target_alias@ - -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(exec_prefix)/$(target_alias) - -# Multilib support variables. -# TOP is used instead of MULTI{BUILD,SRC}TOP. -MULTIDIRS = -MULTISUBDIR = -MULTIDO = true -MULTICLEAN = true - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -SHELL = /bin/sh - -CC = @CC@ - -AS = @AS@ -AR = @AR@ -LD = @LD@ -RANLIB = @RANLIB@ -AR_FLAGS = rc - -OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \ - then echo ${objroot}/../binutils/objdump ; \ - else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi` -OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \ - then echo ${objroot}/../binutils/objcopy ; \ - else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi` - -SCRIPTS = 16-002.ld 16-003.ld 64-001.ld ms2.ld -CRT0 = crt0.o crt0-64-001.o crt0-16-002.o crt0-16-003.o crt0-ms2.o \ - startup-64-001.o startup-16-002.o startup-16-003.o startup-ms2.o \ - exit.o exit-64-001.o exit-16-002.o exit-16-003.o exit-ms2.o - -SIM_BSP = libsim.a -SIM_OBJS = access.o chmod.o close.o \ - fstat.o getpid.o gettime.o isatty.o kill.o lseek.o open.o \ - read.o sbrk.o stat.o time.o times.o trap.o unlink.o utime.o write.o - -#### Host specific Makefile fragment comes in here. -@host_makefile_frag@ - -all: $(CRT0) $(SIM_BSP) - -$(SIM_BSP): $(SIM_OBJS) - $(AR) $(ARFLAGS) $@ $? - $(RANLIB) $@ - -access.o: $(srcdir)/access.c -chmod.o: $(srcdir)/chmod.c -close.o: $(srcdir)/close.c -fstat.o: $(srcdir)/fstat.c -getpid.o: $(srcdir)/getpid.c -gettime.o: $(srcdir)/gettime.c -isatty.o: $(srcdir)/isatty.c -kill.o: $(srcdir)/kill.c -lseek.o: $(srcdir)/lseek.c -open.o: $(srcdir)/open.c -read.o: $(srcdir)/read.c -sbrk.o: $(srcdir)/sbrk.c -stat.o: $(srcdir)/stat.c -time.o: $(srcdir)/time.c -times.o: $(srcdir)/times.c -unlink.o: $(srcdir)/unlink.c -utime.o: $(srcdir)/utime.c -write.o: $(srcdir)/write.c -crt0.o: $(srcdir)/crt0.S -crt0-16-002.o: $(srcdir)/crt0-16-002.S -crt0-16-003.o: $(srcdir)/crt0-16-003.S -crt0-64-001.o: $(srcdir)/crt0-64-001.S -crt0-ms2.o: $(srcdir)/crt0-ms2.S - -trap.o: $(srcdir)/trap.S - -install: $($(CPU)_INSTALL) - for c in $(CRT0); do \ - $(INSTALL_DATA) $$c $(tooldir)/lib${MULTISUBDIR}/$$c ; \ - done; - $(INSTALL_DATA) $(SIM_BSP) $(tooldir)/lib${MULTISUBDIR}/$(SIM_BSP) - for c in $(SCRIPTS); do \ - $(INSTALL_DATA) $(srcdir)/$$c $(tooldir)/lib/$$c ; \ - done; - -clean mostlyclean: - rm -f *.o *.a - -distclean maintainer-clean realclean: clean - rm -f Makefile config.cache config.log config.status - -.PHONY: info dvi doc install-info clean-info -info doc dvi: -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/mt/access.c b/libgloss/mt/access.c deleted file mode 100644 index 8e08b3a7f..000000000 --- a/libgloss/mt/access.c +++ /dev/null @@ -1,33 +0,0 @@ -/* This is file ACCESS.C */ -/* - * Copyright (C) 1993 DJ Delorie - * All rights reserved. - * - * Redistribution and use in source and binary forms is permitted - * provided that the above copyright notice and following paragraph are - * duplicated in all such forms. - * - * This file is distributed WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - */ - -#include <fcntl.h> -#include <sys/stat.h> -#include <unistd.h> - -int access(const char *fn, int flags) -{ - struct stat s; - if (stat(fn, &s)) - return -1; - if (s.st_mode & S_IFDIR) - return 0; - if (flags & W_OK) - { - if (s.st_mode & S_IWRITE) - return 0; - return -1; - } - return 0; -} - diff --git a/libgloss/mt/chmod.c b/libgloss/mt/chmod.c deleted file mode 100644 index 8200506fe..000000000 --- a/libgloss/mt/chmod.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -int -chmod (const char *path, mode_t mode) -{ - return TRAP0 (SYS_chmod, path, mode, 0); -} diff --git a/libgloss/mt/close.c b/libgloss/mt/close.c deleted file mode 100644 index 02ee07287..000000000 --- a/libgloss/mt/close.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -int -close (int file) -{ - return TRAP0 (SYS_close, file, 0, 0); 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This is -# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We -# are probably using a cross compiler, which will not be able to fully -# link an executable. 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This code initializes the C -; run-time model. -; -; Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc. -; -; The authors hereby grant permission to use, copy, modify, distribute, -; and license this software and its documentation for any purpose, provided -; that existing copyright notices are retained in all copies and that this -; notice is included verbatim in any distributions. No written agreement, -; license, or royalty fee is required for any of the authorized uses. -; Modifications to this software may be copyrighted by their authors -; and need not follow the licensing terms described here, provided that -; the new terms are clearly indicated on the first page of each file where -; they apply. -; - - ; Create a label for the start of the eh_frame section. - .section .eh_frame -__eh_frame_begin: - - .text - .global _start -_start: - ;; Initialize the stack pointer - ldui sp, #%hi16(__stack) - addui sp, sp, #%lo16(__stack) - or fp, sp, sp - ;; Zero the bss space - ldui r9, #%hi16(__bss_start) - addui r9, r9, #%lo16(__bss_start) - ldui r10, #%hi16(__bss_end) - addui r10, r10, #%lo16(__bss_end) - or r0, r0, r0 - brle r10, r9, .Lnext1 - or r0, r0, r0 -.Lcpy0: - stw r0, r9, #0 - addi r9, r9, #4 - or r0, r0, r0 ; nop - brle r9, r10, .Lcpy0 - or r0, r0, r0 ; nop - -.Lnext1: - ;; Copy data from ROM to Frame Buffer (on-chip memory) - ldui r9, #%hi16(_fbdata_start) - ori r9, r9, #%lo16(_fbdata_start) - ldui r10, #%hi16(_fbdata_end) - ori r10, r10, #%lo16(_fbdata_end) - ldui r11, #%hi16(_fbdata_vma) - brle r10, r9, .Lnext2 - ori r11, r11, #%lo16(_fbdata_vma) -.Lcpy1: - ldw r5, r9, #$0 - addi r9, r9, #$4 - stw r5, r11, #$0 - brlt r9, r10, .Lcpy1 - addi r11, r11, #$4 - -.Lnext2: - ;; Zero the frame buffer bss section - ldui r9, #%hi16(_fbbss_start) - ori r9, r9, #%lo16(_fbbss_start) - ldui r10, #%hi16(_fbbss_end) - ori r10, r10, #%lo16(_fbbss_end) - or r0, r0, r0 - brle r10, r9, .Lnext3 - or r0, r0, r0 -.Lcpy2: - stw r0, r9, #$0 - addi r9, r9, #$4 - or r0, r0, r0 - brle r9, r10, .Lcpy2 - or r0, r0, r0 - -.Lnext3: - ;; Call global and static constructors - ldui r10, #%hi16(_init) - ori r10, r10, #%lo16(_init) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Call main - ldui r10, #%hi16(main) - ori r10, r10, #%lo16(main) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; DJK - Added 12Nov01. Pass main's return value to exit. - or r1, r11, r0 - - ;; Jump to exit - ldui r10, #%hi16(exit) - ori r10, r10, #%lo16(exit) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Exit does not return, however, this code is to catch an - ;; error if it does. Set the processor into sleep mode. - ori r1, r0, #$1 - stw r1, r0, #%lo16(_DEBUG_HALT_REG) - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 -.Lend: - jmp .Lend - or r0, r0, r0 diff --git a/libgloss/mt/crt0-16-003.S b/libgloss/mt/crt0-16-003.S deleted file mode 100644 index bd88bcc54..000000000 --- a/libgloss/mt/crt0-16-003.S +++ /dev/null @@ -1,112 +0,0 @@ -; crt0.s - Startup code for the mrisc1. This code initializes the C -; run-time model. -; -; -; Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc. -; -; The authors hereby grant permission to use, copy, modify, distribute, -; and license this software and its documentation for any purpose, provided -; that existing copyright notices are retained in all copies and that this -; notice is included verbatim in any distributions. No written agreement, -; license, or royalty fee is required for any of the authorized uses. -; Modifications to this software may be copyrighted by their authors -; and need not follow the licensing terms described here, provided that -; the new terms are clearly indicated on the first page of each file where -; they apply. -; - - ; Create a label for the start of the eh_frame section. - .section .eh_frame -__eh_frame_begin: - - .text - .global _start -_start: - ;; Initialize the stack pointer - ldui sp, #%hi16(__stack) - addui sp, sp, #%lo16(__stack) - or fp, sp, sp - ;; Zero the bss space - ldui r9, #%hi16(__bss_start) - addui r9, r9, #%lo16(__bss_start) - ldui r10, #%hi16(__bss_end) - addui r10, r10, #%lo16(__bss_end) - or r0, r0, r0 - brle r10, r9, .Lnext1 - or r0, r0, r0 -.Lcpy0: - stw r0, r9, #0 - addi r9, r9, #4 - or r0, r0, r0 ; nop - brle r9, r10, .Lcpy0 - or r0, r0, r0 ; nop - -.Lnext1: - ;; Copy data from ROM to Frame Buffer (on-chip memory) - ldui r9, #%hi16(_fbdata_start) - ori r9, r9, #%lo16(_fbdata_start) - ldui r10, #%hi16(_fbdata_end) - ori r10, r10, #%lo16(_fbdata_end) - ldui r11, #%hi16(_fbdata_vma) - brle r10, r9, .Lnext2 - ori r11, r11, #%lo16(_fbdata_vma) -.Lcpy1: - ldw r5, r9, #$0 - addi r9, r9, #$4 - stw r5, r11, #$0 - brlt r9, r10, .Lcpy1 - addi r11, r11, #$4 - -.Lnext2: - ;; Zero the frame buffer bss section - ldui r9, #%hi16(_fbbss_start) - ori r9, r9, #%lo16(_fbbss_start) - ldui r10, #%hi16(_fbbss_end) - ori r10, r10, #%lo16(_fbbss_end) - or r0, r0, r0 - brle r10, r9, .Lnext3 - or r0, r0, r0 -.Lcpy2: - stw r0, r9, #$0 - addi r9, r9, #$4 - or r0, r0, r0 - brle r9, r10, .Lcpy2 - or r0, r0, r0 - -.Lnext3: - ;; Call global and static constructors - ldui r10, #%hi16(_init) - ori r10, r10, #%lo16(_init) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Call main - ldui r10, #%hi16(main) - ori r10, r10, #%lo16(main) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; DJK - Added 12Nov01. Pass main's return value to exit. - or r1, r11, r0 - - ;; Jump to exit - ldui r10, #%hi16(exit) - ori r10, r10, #%lo16(exit) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Exit does not return, however, this code is to catch an - ;; error if it does. Set the processor into sleep mode. - ori r1, r0, #$1 - stw r1, r0, #%lo16(_DEBUG_HALT_REG) - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 -.Lend: - jmp .Lend - or r0, r0, r0 diff --git a/libgloss/mt/crt0-64-001.S b/libgloss/mt/crt0-64-001.S deleted file mode 100644 index b78e7808e..000000000 --- a/libgloss/mt/crt0-64-001.S +++ /dev/null @@ -1,144 +0,0 @@ -; crt0_2.s - Startup code for the mrisc1. This code initializes the C -; run-time model. -; -; 12Nov01 (DJK) - The return code from main was not being passed to exit(). -; Now it is passed as a parameter in R1. -; -; 10Sep01 (DJK) - The function exit() does not return. However, in the -; the case of device error (if the halt bit does not -; function properly, for instance), then a catch loop -; has been added. -; -; -; Copyright 2001, 2002, 2003, 2004 Morpho Technologies, Inc. -; - - ; Create a label for the start of the eh_frame section. - .section .eh_frame -__eh_frame_begin: - - .equ HALT_REG, 0x300 - .section .text - .global _start -_start: - ;; Initialize the stack pointer - ldui sp, #%hi16(__stack) - addui sp, sp, #%lo16(__stack) - or fp, sp, sp - - ;; Copy data from ROM to Frame Buffer (on-chip memory) - ldui r9, #%hi16(_fbdata_start) - ori r9, r9, #%lo16(_fbdata_start) - ldui r10, #%hi16(_fbdata_end) - ori r10, r10, #%lo16(_fbdata_end) - ldui r11, #%hi16(__FRAME_BUFFER_START) - brle r10, r9, .Lnext1 - ori r11, r11, #%lo16(__FRAME_BUFFER_START) -.Lcpy0: - ldw r5, r9, #$0 - addi r9, r9, #$4 - stw r5, r11, #$0 - brlt r9, r10, .Lcpy0 - addi r11, r11, #$4 - -.Lnext1: - ;; Copy data from ROM to External Memory (off-chip memory) - ldui r9, #%hi16(_extdata_start) - ori r9, r9, #%lo16(_extdata_start) - ldui r10, #%hi16(_extdata_end) - ori r10, r10, #%lo16(_extdata_end) - ldui r11, #%hi16(__EXTERNAL_MEMORY_START) - brle r10, r9, .Lnext2 - ori r11, r11, #%lo16(__EXTERNAL_MEMORY_START) -.Lcpy1: - ldw r5, r9, #$0 - addi r9, r9, #$4 - stw r5, r11, #$0 - brlt r9, r10, .Lcpy1 - addi r11, r11, #$4 - - -.Lnext2: - ;; Zero the bss space - ldui r9, #%hi16(__bss_start) - addui r9, r9, #%lo16(__bss_start) - ldui r10, #%hi16(__bss_end) - addui r10, r10, #%lo16(__bss_end) - or r0, r0, r0 - brle r10, r9, .Lnext3 - or r0, r0, r0 -.Lcpy2: - stw r0, r9, #0 - addi r9, r9, #4 - or r0, r0, r0 ; nop - brle r9, r10, .Lcpy2 - or r0, r0, r0 ; nop - -.Lnext3: - ;; Zero the external memory bss section - ldui r9, #%hi16(_extbss_start) - ori r9, r9, #%lo16(_extbss_start) - ldui r10, #%hi16(_extbss_end) - ori r10, r10, #%lo16(_extbss_end) - or r0, r0, r0 - brle r10, r9, .Lnext4 - or r0, r0, r0 -.Lcpy3: - stw r0, r9, #$0 - addi r9, r9, #$4 - or r0, r0, r0 - brle r9, r10, .Lcpy3 - or r0, r0, r0 - -.Lnext4: - ;; Call global and static constructors - ldui r10, #%hi16(_init) - ori r10, r10, #%lo16(_init) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Setup destructors to be called from exit. - ;; (Just in case main never returns....) - ldui r10, #%hi16(atexit) - ori r10, r10, #%lo16(atexit) - ldui r1, #%hi16(_fini) - ori r1, r1, #%lo16(_fini) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Initialise argc, argv and envp to empty - addi r1, r0, #0 - addi r2, r0, #0 - addi r3, r0, #0 - - ;; Call main - ldui r10, #%hi16(main) - ori r10, r10, #%lo16(main) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; DJK - Added 12Nov01. Pass main's return value to exit. - or r1, r11, r0 - - ;; Jump to exit - ldui r10, #%hi16(exit) - ori r10, r10, #%lo16(exit) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Exit does not return, however, this code is to catch an - ;; error if it does. Set the processor into sleep mode. - ori r1, r0, #$1 - stw r1, r0, #HALT_REG - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 -.Lend: - jmp .Lend - or r0, r0, r0 diff --git a/libgloss/mt/crt0-ms2.S b/libgloss/mt/crt0-ms2.S deleted file mode 100644 index 2efaebdea..000000000 --- a/libgloss/mt/crt0-ms2.S +++ /dev/null @@ -1,121 +0,0 @@ -; crt0.s - Startup code for the ms2. This code initializes the C -; run-time model. -; -; -; Copyright 2001, 2002, 2003, 2004 Morpho Technologies -; - - ; Create a label for the start of the eh_frame section. - .section .eh_frame -__eh_frame_begin: - - .text - .global _start -_start: - ;; Initialize the stack pointer - ldui sp, #%hi16(__stack) - addui sp, sp, #%lo16(__stack) - or fp, sp, sp - ;; Zero the bss space - ldui r9, #%hi16(__bss_start) - addui r9, r9, #%lo16(__bss_start) - ldui r10, #%hi16(__bss_end) - addui r10, r10, #%lo16(__bss_end) - or r0, r0, r0 - brle r10, r9, .Lnext1 - or r0, r0, r0 -.Lcpy0: - stw r0, r9, #0 - addi r9, r9, #4 - or r0, r0, r0 ; nop - brle r9, r10, .Lcpy0 - or r0, r0, r0 ; nop - -.Lnext1: - ;; Copy data from ROM to Frame Buffer (on-chip memory) - ldui r9, #%hi16(_fbdata_start) - ori r9, r9, #%lo16(_fbdata_start) - ldui r10, #%hi16(_fbdata_end) - ori r10, r10, #%lo16(_fbdata_end) - ldui r11, #%hi16(_fbdata_vma) - brle r10, r9, .Lnext2 - ori r11, r11, #%lo16(_fbdata_vma) -.Lcpy1: - ldw r5, r9, #$0 - addi r9, r9, #$4 - stw r5, r11, #$0 - brlt r9, r10, .Lcpy1 - addi r11, r11, #$4 - -.Lnext2: - ;; Zero the frame buffer bss section - ldui r9, #%hi16(_fbbss_start) - ori r9, r9, #%lo16(_fbbss_start) - ldui r10, #%hi16(_fbbss_end) - ori r10, r10, #%lo16(_fbbss_end) - or r0, r0, r0 - brle r10, r9, .Lnext3 - or r0, r0, r0 -.Lcpy2: - stw r0, r9, #$0 - addi r9, r9, #$4 - or r0, r0, r0 - brle r9, r10, .Lcpy2 - or r0, r0, r0 - -.Lnext3: - ;; Copy data from ROM to SRAM (another on-chip memory) - ldui r9, #%hi16(_sram_data_start) - ori r9, r9, #%lo16(_sram_data_start) - ldui r10, #%hi16(_sram_data_end) - ori r10, r10, #%lo16(_sram_data_end) - ldui r11, #%hi16(_sram_data_vma) - brle r10, r9, .Lnext4 - ori r11, r11, #%lo16(_sram_data_vma) -.Lcpy3: - ldw r5, r9, #$0 - addi r9, r9, #$4 - stw r5, r11, #$0 - brlt r9, r10, .Lcpy3 - addi r11, r11, #$4 - -.Lnext4: - ;; Call global and static constructors - ldui r10, #%hi16(_init) - ori r10, r10, #%lo16(_init) - or r0, r0, r0 ; nop - or r0, r0, r0 ; nop, added 06Sep05 - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Call main - ldui r10, #%hi16(main) - ori r10, r10, #%lo16(main) - or r0, r0, r0 ; nop - or r0, r0, r0 ; nop, added 06Sep05 - jal r14, r10 - or r0, r0, r0 ; nop - - ;; DJK - Added 12Nov01. Pass main's return value to exit. - or r1, r11, r0 - - ;; Jump to exit - ldui r10, #%hi16(exit) - ori r10, r10, #%lo16(exit) - or r0, r0, r0 ; nop - or r0, r0, r0 ; nop, added 06Sep05 - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Exit does not return, however, this code is to catch an - ;; error if it does. Set the processor into sleep mode. - ori r1, r0, #$1 - stw r1, r0, #%lo16(_DEBUG_HALT_REG) - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 -.Lend: - jmp .Lend - or r0, r0, r0 diff --git a/libgloss/mt/crt0.S b/libgloss/mt/crt0.S deleted file mode 100644 index ba5249e01..000000000 --- a/libgloss/mt/crt0.S +++ /dev/null @@ -1,63 +0,0 @@ -# Startup Code for the Morpho mt - -# Create a label for the start of the eh_frame section. - .section .eh_frame -__eh_frame_begin: - - .section .text - .global _start -_start: - - ;; Initialise the stack pointer - ldui sp, #%hi16(__stack) - addui sp, sp, #%lo16(__stack) - or fp, sp, sp - - ;; Zero the data space - ldui r9, #%hi16(_edata) - addui r9, r9, #%lo16(_edata) - ldui r10, #%hi16(_end) - addui r10, r10, #%lo16(_end) - addi r5, r0, #0 - -.L0: - stw r5, r9, #0 - addi r9, r9, #4 - or r0, r0, r0 ; nop - brle r9, r10, .L0 - or r0, r0, r0 ; nop - - ;; Call global and static constructors - ldui r10, #%hi16(_init) - addui r10, r10, #%lo16(_init) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - ;; Setup destructors to be called from exit. - ;; (Just in case main never returns....) - ldui r10, #%hi16(atexit) - addui r10, r10, #%lo16(atexit) - ldui r1, #%hi16(_fini) - addui r1, r1, #%lo16(_fini) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Initialise argc, argv and envp to empty - addi r1, r0, #0 - addi r2, r0, #0 - addi r3, r0, #0 - - ;; Call main - ldui r10, #%hi16(main) - addui r10, r10, #%lo16(main) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Jump to exit - ldui r10, #%hi16(exit) - addui r10, r10, #%lo16(exit) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop diff --git a/libgloss/mt/exit-16-002.c b/libgloss/mt/exit-16-002.c deleted file mode 100644 index ba048d977..000000000 --- a/libgloss/mt/exit-16-002.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> - - -void _exit (n) -{ - /* Set bit #0 in the _DEBUG_HALT_REG to trigger program exit to - the simulator. (The simulator will return a SIGQUIT signal.) */ - asm("ori r1, r0, #$1\n"); - asm("stw r1, r0, #$fffff300\n"); -} diff --git a/libgloss/mt/exit-16-003.c b/libgloss/mt/exit-16-003.c deleted file mode 100644 index ba048d977..000000000 --- a/libgloss/mt/exit-16-003.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> - - -void _exit (n) -{ - /* Set bit #0 in the _DEBUG_HALT_REG to trigger program exit to - the simulator. (The simulator will return a SIGQUIT signal.) */ - asm("ori r1, r0, #$1\n"); - asm("stw r1, r0, #$fffff300\n"); -} diff --git a/libgloss/mt/exit-64-001.c b/libgloss/mt/exit-64-001.c deleted file mode 100644 index 97c7b8ce7..000000000 --- a/libgloss/mt/exit-64-001.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> - - -void _exit (n) -{ - /* Set bit #0 in the _DEBUG_HALT_REG to trigger program exit to - the simulator. (The simulator will return a SIGQUIT signal.) */ - asm("ori r1, r0, #$1\n"); - asm("stw r1, r0, #$300\n"); -} diff --git a/libgloss/mt/exit-ms2.c b/libgloss/mt/exit-ms2.c deleted file mode 100644 index 93a3f852b..000000000 --- a/libgloss/mt/exit-ms2.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> - - -void _exit (n) -{ - // Set bit #0 in the _DEBUG_HALT_REG to trigger program exit to - // the simulator. (The simulator will return a SIGQUIT signal.) - asm("ori r1, r0, #$1\n"); - asm("stw r1, r0, #$fffff300\n"); -} // exit diff --git a/libgloss/mt/exit.c b/libgloss/mt/exit.c deleted file mode 100644 index cc7983b3f..000000000 --- a/libgloss/mt/exit.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -void _exit (n) -{ - TRAP0 (SYS_exit, n, 0, 0); -} diff --git a/libgloss/mt/fstat.c b/libgloss/mt/fstat.c deleted file mode 100644 index 1d7d2dcf5..000000000 --- a/libgloss/mt/fstat.c +++ /dev/null @@ -1,14 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -int -fstat (int file, - struct stat *st) -{ - st->st_mode = S_IFCHR; - st->st_blksize = 4096; - return 0; -} diff --git a/libgloss/mt/getpid.c b/libgloss/mt/getpid.c deleted file mode 100644 index 8d686b86a..000000000 --- a/libgloss/mt/getpid.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -getpid (n) -{ - return 1; -} diff --git a/libgloss/mt/gettime.c b/libgloss/mt/gettime.c deleted file mode 100644 index 1a0426744..000000000 --- a/libgloss/mt/gettime.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" -#include "sys/time.h" - - -int -_gettimeofday (struct timeval *tp, void *tzp) -{ - return TRAP0 (SYS_gettimeofday, tp, tzp, 0); -} diff --git a/libgloss/mt/isatty.c b/libgloss/mt/isatty.c deleted file mode 100644 index 0930a531e..000000000 --- a/libgloss/mt/isatty.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -isatty (fd) - int fd; -{ - return 1; -} diff --git a/libgloss/mt/kill.c b/libgloss/mt/kill.c deleted file mode 100644 index e8ea43769..000000000 --- a/libgloss/mt/kill.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -kill (n, m) -{ - return TRAP0 (SYS_exit, 0xdead, 0, 0); -} - diff --git a/libgloss/mt/lseek.c b/libgloss/mt/lseek.c deleted file mode 100644 index 783909104..000000000 --- a/libgloss/mt/lseek.c +++ /dev/null @@ -1,14 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/unistd.h> -#include "trap.h" - - -off_t -lseek (int file, - off_t ptr, - int dir) -{ - return TRAP0 (SYS_lseek, file, ptr, dir); -} diff --git a/libgloss/mt/ms2.ld b/libgloss/mt/ms2.ld deleted file mode 100644 index 3dac307af..000000000 --- a/libgloss/mt/ms2.ld +++ /dev/null @@ -1,271 +0,0 @@ -OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt") -OUTPUT_ARCH(mt) -ENTRY(__boot_start) - -/* Do we need any of these for elf? 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We - could instead move the label definition inside the section, but - the linker would then create the section even if it turns out to - be empty, which isn't pretty. */ - . = ALIGN(32 / 8); - PROVIDE (__preinit_array_start = .); - .preinit_array : { *(.preinit_array) } >ram - PROVIDE (__preinit_array_end = .); - PROVIDE (__init_array_start = .); - .init_array : { *(.init_array) } >ram - PROVIDE (__init_array_end = .); - PROVIDE (__fini_array_start = .); - .fini_array : { *(.fini_array) } >ram - PROVIDE (__fini_array_end = .); - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - KEEP (*crtbegin.o(.ctors)) - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } >ram - .dtors : - { - KEEP (*crtbegin*.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } >ram - .jcr : { KEEP (*(.jcr)) } >ram - .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) } >ram - .dynamic : { *(.dynamic) } >ram - - /* DJK - Re-align the data section from the read-only section. */ - . = ALIGN(16) + (. & (16 - 1)); - PROVIDE (_data = .); - .data : - { - *(.data .data.* .gnu.linkonce.d.*) - KEEP (*(.gnu.linkonce.d.*personality*)) - SORT(CONSTRUCTORS) - } >ram - .data1 : { *(.data1) } >ram - .got : { *(.got.plt) *(.got) } >ram - - /* We want the small data sections together, so single-instruction offsets - can access them all, and initialized data all before uninitialized, so - we can shorten the on-disk segment size. */ - .sdata : { *(.sdata .sdata.* .gnu.linkonce.s.*) } >ram - _edata = .; - PROVIDE ( edata = . ); - .sbss : - { - PROVIDE (__sbss_start = .); - PROVIDE (___sbss_start = .); - *(.dynsbss) - *(.sbss .sbss.* .gnu.linkonce.sb.*) - *(.scommon) - PROVIDE (__sbss_end = .); - PROVIDE (___sbss_end = .); - } >ram - .bss : - { - *(.dynbss) - *(.bss .bss.* .gnu.linkonce.b.*) - *(COMMON) - /* Align here to ensure that the .bss section occupies space up to - _end. Align after .bss to ensure correct alignment even if the - .bss section disappears because there are no input sections. */ - . = ALIGN(32 / 8); - } >ram - . = ALIGN(32 / 8); - __bss_start = ADDR ( .sbss ) ; - __bss_end = __bss_start + SIZEOF ( .sbss ) + SIZEOF ( .bss ) - 4 ; - _end = .; - PROVIDE (end = .); - - /* DJK - Initialized frame buffer data is copied from RAM to FB. */ - .auxbss : AT (ADDR(.bss) + SIZEOF(.bss)) { *(.auxbss) } >frame-buffer - .auxdata : AT (LOADADDR(.auxbss) + SIZEOF(.auxbss)) - { - *(.auxdata.bank0) - . = ALIGN(0x4000); - *(.auxdata.bank1) - . = ALIGN(0x4000); - *(.auxdata.bank2) - . = ALIGN(0x4000); - *(.auxdata.bank3) - . = ALIGN(0x4000); - *(.auxdata.bank4) - *(.auxdata) - } >frame-buffer - - _fbbss_start = ADDR ( .auxbss ); - _fbbss_end = _fbbss_start + SIZEOF ( .auxbss ) - 4; - _fbdata_start = LOADADDR ( .auxdata ); - _fbdata_end = _fbdata_start + SIZEOF ( .auxdata ) ; - _fbdata_vma = ADDR ( .auxdata ); - - PROVIDE (__FRAME_BUFFER_START = ADDR(.auxbss) ); - PROVIDE (__FRAME_BUFFER_SIZE = 0x14000); - PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE); - - /* For now, locate data ahead of code in onchip sram/memory. */ - .sram : AT (LOADADDR(.auxdata) + SIZEOF(.auxdata)) - { - *(.sram.data) - . = ALIGN(4) ; /* Make sure that instructions are aligned... */ - *(.sram.text) - } >sram - - _sram_data_start = LOADADDR ( .sram ); - _sram_data_end = _sram_data_start + SIZEOF ( .sram ) ; - _sram_data_vma = ADDR ( .sram ); - - .dma : { _dma_start = .; *(.dma) _dma_end = .; } >dma-ram - .internal_io (NOLOAD) : { *(.internal_io) } >ports - - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to the beginning - of the section so we begin them at 0. */ - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } - - /* In a multi-core environment, each core is given its own stack space - equal to __stack_size, growing downwards. */ - PROVIDE (__stack = 0x97ff0); - PROVIDE (__stack_size = 0x800); - - .stack (DEFINED(__stack) ? __stack : 0x007ffff0) : - { - __stack = .; - *(.stack) - LONG(0xdeaddead) - } - /DISCARD/ : { *(.note.GNU-stack) } -} diff --git a/libgloss/mt/open.c b/libgloss/mt/open.c deleted file mode 100644 index d727bdd9f..000000000 --- a/libgloss/mt/open.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -int -open (const char *path, int flags, int mode) -{ - return TRAP0 (SYS_open, path, flags, mode); -} diff --git a/libgloss/mt/read.c b/libgloss/mt/read.c deleted file mode 100644 index e7f37fafa..000000000 --- a/libgloss/mt/read.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -read (int file, - char *ptr, - size_t len) -{ - return TRAP0 (SYS_read, file, ptr, len); -} diff --git a/libgloss/mt/sbrk.c b/libgloss/mt/sbrk.c deleted file mode 100644 index 1f959c084..000000000 --- a/libgloss/mt/sbrk.c +++ /dev/null @@ -1,24 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -caddr_t -sbrk (size_t incr) -{ - extern char end; /* Defined by the linker */ - static char *heap_end; - char *prev_heap_end; - - char *sp = (char *) &sp; - - if (heap_end == 0) - { - heap_end = &end; - } - prev_heap_end = heap_end; - heap_end += incr; - - return (caddr_t) prev_heap_end; -} diff --git a/libgloss/mt/startup-16-002.S b/libgloss/mt/startup-16-002.S deleted file mode 100644 index 475a120bd..000000000 --- a/libgloss/mt/startup-16-002.S +++ /dev/null @@ -1,628 +0,0 @@ -/* - * interrupt_vectors.s -- the interrupt handler jump table. - * - * - * There are a total of 32 interrupt vector possible, however, only - * 11 of those are currently used (the others are reserved). The - * order of vectors is as follows: - * - * 1. Boot Vector. Vector for power-on/reset. - * 2. Software Vector. Vector for handling the SI instruction (an - * explicit interrupt caused by software). - * 3. Break Vector. Vector for handling the Break instruction. - * 4. Device 0 Vector. Service vector for device zero. - * 5. Device 1 Vector. Service vector for device one. - * 6. Device 2 Vector. Service vector for device two. - * 7. Device 3 Vector. Service vector for device three. - * 8. Device 4 Vector. Service vector for device four. - * 9. Device 5 Vector. Service vector for device five. - * 10. Device 6 Vector. Service vector for device six. - * 11. Device 7 Vector. Service vector for device seven. - * - * The rest of the interrupt vectors are reserved for future use. - * - * - * Each jump table entry consists of the following two instructions: - * - * jmp Label ; Label as appropriate - * nop ; implemented as or r0,r0,r0 - * - * The following labels are reserved for the vectors named above, - * respectively: - * - * _BOOTIVEC, _SOFTIVEC, _BRKIVEC, _DEV0IVEC, _DEV1IVEC, _DEV2IVEC, - * _DEV3IVEC, _DEV4IVEC, _DEV5IVEC, _DEV6IVEC, _DEV7IVEC - * - * - * - * Copyright (c) 2001, 2002, 2003, 2004 Morpho Technologies - * - */ - - .section .startup, "a", @progbits - .global __boot_start -__boot_start: -_INTERRUPT_VECTOR_TABLE: - jmp _BOOTIVEC ; Boot vector - or r0, r0, r0 - jmp _SOFTIVEC ; Vector for SI instruction - or r0,r0,r0 - jmp _BRKIVEC ; Vector for Break instruction - or r0,r0,r0 - ; The illegal instruction trap is not implemented. -_RESERVED1_IVEC: - jmp _RESERVED1_IVEC ; Vector for illegal instruction - or r0,r0,r0 - jmp _OVFIVEC ; Vector for overflow exception - or r0,r0,r0 -_RESERVED2_IVEC: - jmp _RESERVED2_IVEC - or r0,r0,r0 -_RESERVED3_IVEC: - jmp _RESERVED3_IVEC - or r0,r0,r0 -_RESERVED4_IVEC: - jmp _RESERVED4_IVEC - or r0,r0,r0 - - .text - - .equ SI_IOPORT_ADR, _DEBUG_SW_SYSREQ_REG - .equ SI_IOPORT_BIT, 0x1 - .equ BRK_IOPORT_ADR, _DEBUG_BREAK_REG - .equ BRK_IOPORT_BIT, 0x1 - - .global _BOOTIVEC -_BOOTIVEC: - ; Initialize the interrupt controller's interrupt vector registers - ldui r1, #%hi16(_IVEC_DEFAULT) - ori r1, r1, #%lo16(_IVEC_DEFAULT) - stw r1, r0, #%lo16(_DEV0_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV1_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV2_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV3_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV4_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV5_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV6_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV7_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV8_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV9_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV10_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV11_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV12_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV13_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV14_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV15_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV16_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV17_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV18_INTERRUPT_REG) - - ; Statically initialized data must be copied from ROM to RAM. - ; This is done in the C run-time start-up code (crt0.o). - - ; Jump to the beginning of the application and enable interrupts. - jmp _start - ei - - - - ; Handler for the SI instruction. To perform a system call, the - ; C model uses a trapping mechanism which executes an SI instruction. - ; The Morpho Technologies simulator simply performs a branch to - ; this vector to simulate the SI instruction (this is as the hardware - ; behaves). In order to trigger the simulator that a system call - ; is needed a write into the I/O register at address $40005 to - ; set bit #2 (0x4) is necessary. - ; - ; The above address has been changed to 0x00031C and the bit number - ; is zero. (The manifest constants have been changed to reflect this.) - .global _SOFTIVEC -_SOFTIVEC: - ; Build a frame to save registers. - subi sp, sp, #$8 - stw r9, sp, #$4 - ldui r9, #%hi16(SI_IOPORT_ADR) - stw r10, sp, #$0 - ori r9, r9, #%lo16(SI_IOPORT_ADR) - ori r10, r0, #SI_IOPORT_BIT - stw r10, r9, #$0 - or r0, r0, r0 ; SYS_call is handled by simulator here... - ldw r10, sp, #$0 - or r0, r0, r0 - ldw r9, sp, #$4 - reti r14 - addi sp, sp, #$8 - - - - ; Handler for BREAK instruction. This handler triggers the simulator - ; to send a SIGTRAP signal to gdb by writing to the I/O register at - ; address $40005, setting bit #0 (0x1). - ; - ; The above address has been changed to 0x000304 and the bit number - ; is zero. (The manifest constants have been changed to reflect this.) - .global _BRKIVEC -_BRKIVEC: - ; Build a frame to save registers. - subi sp, sp, #$8 - stw r9, sp, #$4 - ldui r9, #%hi16(BRK_IOPORT_ADR) - stw r10, sp, #$0 - ori r9, r9, #%lo16(BRK_IOPORT_ADR) - ori r10, r0, #BRK_IOPORT_BIT - stw r10, r9, #$0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - ldw r10, sp, #$0 - ldw r9, sp, #$4 - reti r15 - addi sp, sp, #$8 - - - ; The documentation is lacking in the specification of the Overflow - ; Exception generation. The address of the instruction causing the - ; overflow is placed into R15 and the overflow exception interrupt - ; is triggered. So, to continue execution, return to the address - ; of the next instruction (i.e., R15 + one instruction). -_OVFIVEC: - addi r15, r15, #$4 - or r0, r0, r0 - reti r15 - or r0, r0, r0 - - - .global _IVEC_DEFAULT -_IVEC_DEFAULT: - reti r15 - or r0, r0, r0 - - - .section .internal_io, "a", @progbits - .fill 256 ; Fill the first page. - - ; This is the memory-mapped I/O region. - - ; Hardware Interrupt Registers - ;.org 0xfff100 - .global _DEV0_INTERRUPT_REG -_DEV0_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV1_INTERRUPT_REG -_DEV1_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV2_INTERRUPT_REG -_DEV2_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV3_INTERRUPT_REG -_DEV3_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV4_INTERRUPT_REG -_DEV4_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV5_INTERRUPT_REG -_DEV5_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV6_INTERRUPT_REG -_DEV6_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV7_INTERRUPT_REG -_DEV7_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV8_INTERRUPT_REG -_DEV8_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV9_INTERRUPT_REG -_DEV9_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV10_INTERRUPT_REG -_DEV10_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV11_INTERRUPT_REG -_DEV11_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV12_INTERRUPT_REG -_DEV12_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV13_INTERRUPT_REG -_DEV13_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV14_INTERRUPT_REG -_DEV14_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV15_INTERRUPT_REG -_DEV15_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV16_INTERRUPT_REG -_DEV16_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV17_INTERRUPT_REG -_DEV17_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV18_INTERRUPT_REG -_DEV18_INTERRUPT_REG: - .word 0x00000000 - - ; 128 bytes minus ten registers (four bytes per register) - .fill (128 - 19 * 4) - - .global _INTERRUPT_MASK_REG -_INTERRUPT_MASK_REG: - .word 0x00000000 - - ; 128 bytes minus one register (four bytes per register) - .fill (128 - 1 * 4) - - - ;.org 0xfff200 - ; MorphoSys Decoder Registers - .global _MS_DEC_CIRC_BUFF_SEL_REG -_MS_DEC_CIRC_BUFF_SEL_REG: - .word 0x00000000 - - .global _MS_DEC_SKIP_FACTOR_REG -_MS_DEC_SKIP_FACTOR_REG: - .word 0x00000000 - - .global _MS_DEC_CUSTOM_PERM_REG -_MS_DEC_CUSTOM_PERM_REG: - .word 0x00000000 - - .global _MS_DEC_CTXT_BASE_REG -_MS_DEC_CTXT_BASE_REG: - .word 0x00000000 - - .global _MS_DEC_LOOKUP_TBL_REG -_MS_DEC_LOOKUP_TBL_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF0_END_REG -_MS_CIRC_BUFF0_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF0_SIZE_REG -_MS_CIRC_BUFF0_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLK0_END_REG -_MS_DATA_BLK0_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLK0_SIZE_REG -_MS_DATA_BLK0_SIZE_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF1_END_REG -_MS_CIRC_BUFF1_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF1_SIZE_REG -_MS_CIRC_BUFF1_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLK1_END_REG -_MS_DATA_BLK1_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLK1_SIZE_REG -_MS_DATA_BLK1_SIZE_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF2_END_REG -_MS_CIRC_BUFF2_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF2_SIZE_REG -_MS_CIRC_BUFF2_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLK2_END_REG -_MS_DATA_BLK2_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLK2_SIZE_REG -_MS_DATA_BLK2_SIZE_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF3_END_REG -_MS_CIRC_BUFF3_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF3_SIZE_REG -_MS_CIRC_BUFF3_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLK3_END_REG -_MS_DATA_BLK3_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLK3_SIZE_REG -_MS_DATA_BLK3_SIZE_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF4_END_REG -_MS_CIRC_BUFF4_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF4_SIZE_REG -_MS_CIRC_BUFF4_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLK4_END_REG -_MS_DATA_BLK4_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLK4_SIZE_REG -_MS_DATA_BLK4_SIZE_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF5_END_REG -_MS_CIRC_BUFF5_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF5_SIZE_REG -_MS_CIRC_BUFF5_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLK5_END_REG -_MS_DATA_BLK5_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLK5_SIZE_REG -_MS_DATA_BLK5_SIZE_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF6_END_REG -_MS_CIRC_BUFF6_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF6_SIZE_REG -_MS_CIRC_BUFF6_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLK6_END_REG -_MS_DATA_BLK6_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLK6_SIZE_REG -_MS_DATA_BLK6_SIZE_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF7_END_REG -_MS_CIRC_BUFF7_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF7_SIZE_REG -_MS_CIRC_BUFF7_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLK7_END_REG -_MS_DATA_BLK7_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLK7_SIZE_REG -_MS_DATA_BLK7_SIZE_REG: - .word 0x00000000 - - .global _MS_DEC_AUTO_INC0_REG -_MS_DEC_AUTO_INC0_REG: - .word 0x00000000 - - .global _MS_DEC_AUTO_INC1_REG -_MS_DEC_AUTO_INC1_REG: - .word 0x00000000 - - .global _MS_DEC_AUTO_INC2_REG -_MS_DEC_AUTO_INC2_REG: - .word 0x00000000 - - .global _MS_DEC_AUTO_INC3_REG -_MS_DEC_AUTO_INC3_REG: - .word 0x00000000 - - .global _MS_DEC_AUTO_INC4_REG -_MS_DEC_AUTO_INC4_REG: - .word 0x00000000 - - .global _MS_DEC_AUTO_INC5_REG -_MS_DEC_AUTO_INC5_REG: - .word 0x00000000 - - .global _MS_DEC_AUTO_INC6_REG -_MS_DEC_AUTO_INC6_REG: - .word 0x00000000 - - .global _MS_DEC_AUTO_INC7_REG -_MS_DEC_AUTO_INC7_REG: - .word 0x00000000 - - - ; 256 bytes minus forty-five registers (four bytes per register) - .fill (256 - 45 * 4) - - - - ;.org 0xfff300 - ; Debug Registers - .global _DEBUG_HALT_REG -_DEBUG_HALT_REG: - .word 0x00000000 - - .global _DEBUG_BREAK_REG -_DEBUG_BREAK_REG: - .word 0x00000000 - - ; There are five reserved registers. - .fill (5 * 4) - - .global _DEBUG_SW_SYSREQ_REG -_DEBUG_SW_SYSREQ_REG: - .word 0x00000000 - - ; 256 bytes minus eight registers (four bytes per register) - .fill (256 - 8 * 4) - - - - ;.org 0xfff400 - ; Sequence Generator Registers - .global _SEQ_GEN_CTRL_REG -_SEQ_GEN_CTRL_REG: - .word 0x00000000 - - .global _SEQ_GEN_MASK_REGS -_SEQ_GEN_MASK_REGS: - ; The mask registers consume two pages (less one control register). - ; 512 bytes minus one register (four bytes per register). - .fill (256 + 256 - 1 * 4) - - - - ;.org 0xfff600 - ; Timer Registers - .global _TIMER0_VAL_REG -_TIMER0_VAL_REG: - .word 0x00000000 - - .global _TIMER1_VAL_REG -_TIMER1_VAL_REG: - .word 0x00000000 - - .global _TIMER2_VAL_REG -_TIMER2_VAL_REG: - .word 0x00000000 - - .global _TIMER3_VAL_REG -_TIMER3_VAL_REG: - .word 0x00000000 - - ; 256 bytes minus four registers (four bytes per register) - .fill (256 - 4 * 4) - - - - ;.org 0xfff700 - ; Output Line Control Registers - .global _OUTPUT0_CTRL -_OUTPUT0_CTRL: - .word 0x00000000 - - .global _OUTPUT1_CTRL -_OUTPUT1_CTRL: - .word 0x00000000 - - .global _OUTPUT2_CTRL -_OUTPUT2_CTRL: - .word 0x00000000 - - .global _OUTPUT3_CTRL -_OUTPUT3_CTRL: - .word 0x00000000 - - .global _OUTPUT4_CTRL -_OUTPUT4_CTRL: - .word 0x00000000 - - .global _OUTPUT5_CTRL -_OUTPUT5_CTRL: - .word 0x00000000 - - .global _OUTPUT6_CTRL -_OUTPUT6_CTRL: - .word 0x00000000 - - .global _OUTPUT7_CTRL -_OUTPUT7_CTRL: - .word 0x00000000 - - .global _OUTPUT8_CTRL -_OUTPUT8_CTRL: - .word 0x00000000 - - .global _OUTPUT9_CTRL -_OUTPUT9_CTRL: - .word 0x00000000 - - .global _OUTPUT10_CTRL -_OUTPUT10_CTRL: - .word 0x00000000 - - ;; 128 bytes minus eleven registers (four bytes per register) - ;.fill (128 - 11 * 4) - - .global _INPUT0_CTRL -_INPUT0_CTRL: - .word 0x00000000 - - ;; 128 bytes minus one register (four bytes per register) - ;.fill (128 - 1 * 4) - ; 256 bytes minus twelve registers (four bytes per register) - .fill (256 - 12 * 4) - - - - ;.org 0xfff800 - ; IQ Buffer Registers - .global _IQ_BUFF_CTRL_REG -_IQ_BUFF_CTRL_REG: - .word 0x00000000 - - .global _IQ_BUFF_PARAMETER1_REG -_IQ_BUFF_PARAMETER1_REG: - .word 0x00000000 - - .global _IQ_BUFF_DATA_SIZE1_REG -_IQ_BUFF_DATA_SIZE1_REG: - .word 0x00000000 - - .global _IQ_BUFF_TRANSFER_SIZE1_REG -_IQ_BUFF_TRANSFER_SIZE1_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_ADDR1_REG -_IQ_BUFF_FB_ADDR1_REG: - .word 0x00000000 - - .global _IQ_BUFF_PARAMETER2_REG -_IQ_BUFF_PARAMETER2_REG: - .word 0x00000000 - - .global _IQ_BUFF_DATA_SIZE2_REG -_IQ_BUFF_DATA_SIZE2_REG: - .word 0x00000000 - - .global _IQ_BUFF_TRANSFER_SIZE2_REG -_IQ_BUFF_TRANSFER_SIZE2_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_ADDR2_REG -_IQ_BUFF_FB_ADDR2_REG: - .word 0x00000000 - - ; 256 bytes minus nine registers (four bytes per register) - .fill (256 - 9 * 4) - - - ;.org 0xfff900 - ; Reserved memory-mapped space. - .fill (0x1000 - 0x900) diff --git a/libgloss/mt/startup-16-003.S b/libgloss/mt/startup-16-003.S deleted file mode 100644 index 9f65f5d4d..000000000 --- a/libgloss/mt/startup-16-003.S +++ /dev/null @@ -1,838 +0,0 @@ -/* - * $Header$ - * - * interrupt_vectors.s -- the interrupt handler jump table. - * - * - * There are a total of 32 interrupt vector possible, however, only - * 11 of those are currently used (the others are reserved). The - * order of vectors is as follows: - * - * 1. Boot Vector. Vector for power-on/reset. - * 2. Software Vector. Vector for handling the SI instruction (an - * explicit interrupt caused by software). - * 3. Break Vector. Vector for handling the Break instruction. - * 4. Device 0 Vector. Service vector for device zero. - * 5. Device 1 Vector. Service vector for device one. - * 6. Device 2 Vector. Service vector for device two. - * 7. Device 3 Vector. Service vector for device three. - * 8. Device 4 Vector. Service vector for device four. - * 9. Device 5 Vector. Service vector for device five. - * 10. Device 6 Vector. Service vector for device six. - * 11. Device 7 Vector. Service vector for device seven. - * - * The rest of the interrupt vectors are reserved for future use. - * - * - * Each jump table entry consists of the following two instructions: - * - * jmp Label ; Label as appropriate - * nop ; implemented as or r0,r0,r0 - * - * The following labels are reserved for the vectors named above, - * respectively: - * - * _BOOTIVEC, _SOFTIVEC, _BRKIVEC, _DEV0IVEC, _DEV1IVEC, _DEV2IVEC, - * _DEV3IVEC, _DEV4IVEC, _DEV5IVEC, _DEV6IVEC, _DEV7IVEC - * - * 09Jan04 (DJK) Modified internal I/O port definitions for the - * MS1-16-003. - * - * 10Oct01 (DJK) The memory map is finalized and the first 4K of address - * space is now reserved for memory-mapped I/O devices. - * (There is over 2K unused, reserved space in this area.) - * - * 26Sep01 (DJK) The memory map is changed and the device interrupts are - * now memory-mapped. - * - * - * - * Copyright (c) 2001, 2002, 2003, 2004 Morpho Technologies - * - */ - - .section .startup, "a", @progbits - .global __boot_start -__boot_start: -_INTERRUPT_VECTOR_TABLE: - jmp _BOOTIVEC ; Boot vector - or r0, r0, r0 - jmp _SOFTIVEC ; Vector for SI instruction - or r0,r0,r0 - jmp _BRKIVEC ; Vector for Break instruction - or r0,r0,r0 - ; The illegal instruction trap is not implemented. - ;jmp _ILLIVEC ; Vector for illegal instruction - or r0,r0,r0 - or r0,r0,r0 -_RESERVED1_IVEC: - jmp _RESERVED1_IVEC - or r0,r0,r0 -_RESERVED2_IVEC: - jmp _RESERVED2_IVEC - or r0,r0,r0 -_RESERVED3_IVEC: - jmp _RESERVED3_IVEC - or r0,r0,r0 -_RESERVED4_IVEC: - jmp _RESERVED4_IVEC - or r0,r0,r0 - - - .text - - .equ SI_IOPORT_ADR, _DEBUG_SW_SYSREQ_REG - .equ SI_IOPORT_BIT, 0x1 - .equ BRK_IOPORT_ADR, _DEBUG_BREAK_REG - .equ BRK_IOPORT_BIT, 0x1 - - .global _BOOTIVEC -_BOOTIVEC: - ; Initialize the interrupt controller's interrupt vector registers - ldui r1, #%hi16(_IVEC_DEFAULT) - ori r1, r1, #%lo16(_IVEC_DEFAULT) - stw r1, r0, #%lo16(_DEV0_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV1_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV2_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV3_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV4_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV5_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV6_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV7_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV8_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV9_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV10_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV11_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV12_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV13_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV14_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV15_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV16_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV17_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV18_INTERRUPT_REG) - - ; Statically initialized data must be copied from ROM to RAM. - ; This is done in the C run-time start-up code (crt0.o). - - ; Jump to the beginning of the application and enable interrupts. - jmp _start - ei - - - ; Handler for the SI instruction. To perform a system call, the - ; C model uses a trapping mechanism which executes an SI instruction. - ; The Morpho Technologies simulator simply performs a branch to - ; this vector to simulate the SI instruction (this is as the hardware - ; behaves). In order to trigger the simulator that a system call - ; is needed a write into the I/O register at address $40005 to - ; set bit #2 (0x4) is necessary. - ; - ; The above address has been changed to 0x00031C and the bit number - ; is zero. (The manifest constants have been changed to reflect this.) - .global _SOFTIVEC -_SOFTIVEC: - ; Build a frame to save registers. - subi sp, sp, #$8 - stw r9, sp, #$4 - ldui r9, #%hi16(SI_IOPORT_ADR) - stw r10, sp, #$0 - ori r9, r9, #%lo16(SI_IOPORT_ADR) - ori r10, r0, #SI_IOPORT_BIT - stw r10, r9, #$0 - ; SYS_call is handled by simulator here... - or r0, r0, r0 - ldw r10, sp, #$0 - or r0, r0, r0 - ldw r9, sp, #$4 - reti r14 - addi sp, sp, #$8 - - - - .global _BRKIVEC -_BRKIVEC: - ; Build a frame to save registers. - subi sp, sp, #$8 - stw r9, sp, #$4 - ldui r9, #%hi16(BRK_IOPORT_ADR) - stw r10, sp, #$0 - ori r9, r9, #%lo16(BRK_IOPORT_ADR) - ori r10, r0, #BRK_IOPORT_BIT - stw r10, r9, #$0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - ldw r10, sp, #$0 - ldw r9, sp, #$4 - reti r15 - addi sp, sp, #$8 - - -.if 0 - ; Handler for illegal instruction. - .global _ILLIVEC -_ILLIVEC: - reti r15 - or r0, r0, r0 -.endif - - - .global _IVEC_DEFAULT -_IVEC_DEFAULT: - reti r15 - or r0, r0, r0 - - - .section .internal_io, "a", @progbits - .fill 256 ; Fill the first page. - - ; This is the memory-mapped I/O region. - - ; Hardware Interrupt Registers - ;.org 0xfffff100 - .global _DEV0_INTERRUPT_REG -_DEV0_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV1_INTERRUPT_REG -_DEV1_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV2_INTERRUPT_REG -_DEV2_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV3_INTERRUPT_REG -_DEV3_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV4_INTERRUPT_REG -_DEV4_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV5_INTERRUPT_REG -_DEV5_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV6_INTERRUPT_REG -_DEV6_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV7_INTERRUPT_REG -_DEV7_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV8_INTERRUPT_REG -_DEV8_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV9_INTERRUPT_REG -_DEV9_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV10_INTERRUPT_REG -_DEV10_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV11_INTERRUPT_REG -_DEV11_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV12_INTERRUPT_REG -_DEV12_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV13_INTERRUPT_REG -_DEV13_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV14_INTERRUPT_REG -_DEV14_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV15_INTERRUPT_REG -_DEV15_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV16_INTERRUPT_REG -_DEV16_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV17_INTERRUPT_REG -_DEV17_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV18_INTERRUPT_REG -_DEV18_INTERRUPT_REG: - .word 0x00000000 - - ; 128 bytes minus nineteen registers (four bytes per register) - .fill (128 - 19 * 4) - - .global _INTERRUPT_MASK_REG -_INTERRUPT_MASK_REG: - .word 0x00000000 - - .global _INTERRUPT_PENDING_REG -_INTERRUPT_PENDING_REG: - .word 0x00000000 - - ; 16 bytes minus two registers (four bytes per register) - .fill (16 - 2 * 4) - - .global _DEV0_INTERRUPT_LEVEL_REG -_DEV0_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV1_INTERRUPT_LEVEL_REG -_DEV1_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV2_INTERRUPT_LEVEL_REG -_DEV2_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV3_INTERRUPT_LEVEL_REG -_DEV3_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV4_INTERRUPT_LEVEL_REG -_DEV4_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV5_INTERRUPT_LEVEL_REG -_DEV5_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV6_INTERRUPT_LEVEL_REG -_DEV6_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV7_INTERRUPT_LEVEL_REG -_DEV7_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV8_INTERRUPT_LEVEL_REG -_DEV8_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV9_INTERRUPT_LEVEL_REG -_DEV9_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV10_INTERRUPT_LEVEL_REG -_DEV10_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV11_INTERRUPT_LEVEL_REG -_DEV11_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV12_INTERRUPT_LEVEL_REG -_DEV12_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV13_INTERRUPT_LEVEL_REG -_DEV13_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV14_INTERRUPT_LEVEL_REG -_DEV14_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV15_INTERRUPT_LEVEL_REG -_DEV15_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV16_INTERRUPT_LEVEL_REG -_DEV16_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV17_INTERRUPT_LEVEL_REG -_DEV17_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV18_INTERRUPT_LEVEL_REG -_DEV18_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - ; 128 bytes minus twenty-three registers (four bytes per register) - .fill (128 - 23 * 4) - - - ;.org 0xfffff200 - ; MorphoSys Decoder Registers - .global _MS_DEC_CIRC_BUFF_SEL_REG -_MS_DEC_CIRC_BUFF_SEL_REG: - .word 0x00000000 - - .global _MS_DEC_SKIP_FACTOR_REG -_MS_DEC_SKIP_FACTOR_REG: - .word 0x00000000 - - .global _MS_DEC_CUSTOM_PERM_REG -_MS_DEC_CUSTOM_PERM_REG: - .word 0x00000000 - - .global _MS_DEC_CTXT_BASE_REG -_MS_DEC_CTXT_BASE_REG: - .word 0x00000000 - - .global _MS_DEC_LOOKUP_TBL_REG -_MS_DEC_LOOKUP_TBL_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF0_I_REG -_MS_CIRC_BUFF0_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF0_P_REG -_MS_CIRC_BUFF0_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF0_B_REG -_MS_DATA_BUFF0_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF0_S_REG -_MS_DATA_BUFF0_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF1_I_REG -_MS_CIRC_BUFF1_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF1_P_REG -_MS_CIRC_BUFF1_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF1_B_REG -_MS_DATA_BUFF1_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF1_S_REG -_MS_DATA_BUFF1_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF2_I_REG -_MS_CIRC_BUFF2_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF2_P_REG -_MS_CIRC_BUFF2_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF2_B_REG -_MS_DATA_BUFF2_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF2_S_REG -_MS_DATA_BUFF2_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF3_I_REG -_MS_CIRC_BUFF3_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF3_P_REG -_MS_CIRC_BUFF3_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF3_B_REG -_MS_DATA_BUFF3_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF3_S_REG -_MS_DATA_BUFF3_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF4_I_REG -_MS_CIRC_BUFF4_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF4_P_REG -_MS_CIRC_BUFF4_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF4_B_REG -_MS_DATA_BUFF4_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF4_S_REG -_MS_DATA_BUFF4_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF5_I_REG -_MS_CIRC_BUFF5_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF5_P_REG -_MS_CIRC_BUFF5_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF5_B_REG -_MS_DATA_BUFF5_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF5_S_REG -_MS_DATA_BUFF5_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF6_I_REG -_MS_CIRC_BUFF6_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF6_P_REG -_MS_CIRC_BUFF6_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF6_B_REG -_MS_DATA_BUFF6_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF6_S_REG -_MS_DATA_BUFF6_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF7_I_REG -_MS_CIRC_BUFF7_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF7_P_REG -_MS_CIRC_BUFF7_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF7_B_REG -_MS_DATA_BUFF7_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF7_S_REG -_MS_DATA_BUFF7_S_REG: - .word 0x00000000 - - .global _MS_OMEGA_PERM1_REG -_MS_OMEGA_PERM1_REG: - .word 0x00000000 - - .global _MS_WRITE_FB_ADDR_REG -_MS_WRITE_FB_ADDR_REG: - .word 0x00000000 - - .global _MS_OMEGA_PERM2_REG -_MS_OMEGA_PERM2_REG: - .word 0x00000000 - - - ; 256 bytes minus forty registers (four bytes per register) - .fill (256 - 40 * 4) - - - - ;.org 0xfffff300 - ; Debug Registers - .global _DEBUG_HALT_REG -_DEBUG_HALT_REG: - .word 0x00000000 - - .global _DEBUG_BREAK_REG -_DEBUG_BREAK_REG: - .word 0x00000000 - - .global _DEBUG_CRITICAL_REG -_DEBUG_OWNERSHIP_REG: - .word 0x00000000 - - .global _DEBUG_KERNEL_ID_REG -_DEBUG_KERNEL_ID_REG: - .word 0x00000000 - - .global _DEBUG_IRQ_STATUS_REG -_DEBUG_IRQ_STATUS_REG: - .word 0x00000000 - - ; There are two reserved registers. - .fill (2 * 4) - - .global _DEBUG_SW_SYSREQ_REG -_DEBUG_SW_SYSREQ_REG: - .word 0x00000000 - - ; 128 bytes minus eight registers (four bytes per register) - .fill (128 - 8 * 4) - - .global _EXTENDED_GP0_REG -_EXTENDED_GP0_REG: - .word 0x00000000 - - .global _EXTENDED_GP1_REG -_EXTENDED_GP1_REG: - .word 0x00000000 - - .global _EXTENDED_GP2_REG -_EXTENDED_GP2_REG: - .word 0x00000000 - - .global _EXTENDED_GP3_REG -_EXTENDED_GP3_REG: - .word 0x00000000 - - .global _EXTENDED_GP4_REG -_EXTENDED_GP4_REG: - .word 0x00000000 - - .global _EXTENDED_GP5_REG -_EXTENDED_GP5_REG: - .word 0x00000000 - - .global _EXTENDED_GP6_REG -_EXTENDED_GP6_REG: - .word 0x00000000 - - .global _EXTENDED_GP7_REG -_EXTENDED_GP7_REG: - .word 0x00000000 - - .global _MEM_CTRL_EN_NC_MEM_REG -_MEM_CTRL_EN_NC_MEM_REG: - .word 0x00000000 - - .global _MEM_CTRL_BASE0_ADDR_REG -_MEM_CTRL_BASE0_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_MASK0_ADDR_REG -_MEM_CTRL_MASK0_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_BASE1_ADDR_REG -_MEM_CTRL_BASE1_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_MASK1_ADDR_REG -_MEM_CTRL_MASK1_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_BASE2_ADDR_REG -_MEM_CTRL_BASE2_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_MASK2_ADDR_REG -_MEM_CTRL_MASK2_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_BASE3_ADDR_REG -_MEM_CTRL_BASE3_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_MASK3_ADDR_REG -_MEM_CTRL_MASK3_ADDR_REG: - .word 0x00000000 - - ; 128 bytes minus seventeen registers (four bytes per register) - .fill (128 - 17 * 4) - - - - ; Reserved memory-map space - .fill (256 + 256) - - - - ;.org 0xfffff600 - ; Timer Registers - .global _TIMER0_VAL_REG -_TIMER0_VAL_REG: - .word 0x00000000 - - .global _TIMER1_VAL_REG -_TIMER1_VAL_REG: - .word 0x00000000 - - .global _TIMER2_VAL_REG -_TIMER2_VAL_REG: - .word 0x00000000 - - .global _TIMER3_VAL_REG -_TIMER3_VAL_REG: - .word 0x00000000 - - ; 256 bytes minus four registers (four bytes per register) - .fill (256 - 4 * 4) - - - - ;.org 0xfffff700 - ; Output Line Control Registers - .global _OUTPUT0_CTRL -_OUTPUT0_CTRL: - .word 0x00000000 - - .global _OUTPUT1_CTRL -_OUTPUT1_CTRL: - .word 0x00000000 - - .global _OUTPUT2_CTRL -_OUTPUT2_CTRL: - .word 0x00000000 - - .global _OUTPUT3_CTRL -_OUTPUT3_CTRL: - .word 0x00000000 - - .global _OUTPUT4_CTRL -_OUTPUT4_CTRL: - .word 0x00000000 - - .global _OUTPUT5_CTRL -_OUTPUT5_CTRL: - .word 0x00000000 - - .global _OUTPUT6_CTRL -_OUTPUT6_CTRL: - .word 0x00000000 - - ; 128 bytes minus seven registers (four bytes per register) - .fill (128 - 7 * 4) - - .global _INPUT0_CTRL -_INPUT0_CTRL: - .word 0x00000000 - - ; 128 bytes minus one register (four bytes per register) - .fill (128 - 1 * 4) - - - - ;.org 0xfffff800 - ; IQ Buffer Registers - .global _IQ_BUFF_CTRL_REG -_IQ_BUFF_CTRL_REG: - .word 0x00000000 - - .global _IQ_BUFF_STATUS_REG -_IQ_BUFF_STATUS_REG: - .word 0x00000000 - - .global _IQ_BUFF_PARAMETER1_REG -_IQ_BUFF_PARAMETER1_REG: - .word 0x00000000 - - .global _IQ_BUFF_TRANSFER_SIZE1_REG -_IQ_BUFF_TRANSFER_SIZE1_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_BASE1_REG -_IQ_BUFF_FB_BASE1_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_SIZE1_REG -_IQ_BUFF_FB_SIZE1_REG: - .word 0x00000000 - - .global _IQ_BUFF_PARAMETER2_REG -_IQ_BUFF_PARAMETER2_REG: - .word 0x00000000 - - .global _IQ_BUFF_TRANSFER_SIZE2_REG -_IQ_BUFF_TRANSFER_SIZE2_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_BASE2_REG -_IQ_BUFF_FB_BASE2_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_SIZE2_REG -_IQ_BUFF_FB_SIZE2_REG: - .word 0x00000000 - - ; 256 bytes minus ten registers (four bytes per register) - .fill (256 - 10 * 4) - - - - ;.org 0xfffff900 - ; DMA Controller - .global _DMA_CTRL_REG -_DMA_CTRL_REG: - .word 0x00000000 - - .global _DMA_STATUS_REG -_DMA_STATUS_REG: - .word 0x00000000 - - .global _DMA_CH0_EADDR_REG -_DMA_CH0_EADDR_REG: - .word 0x00000000 - - .global _DMA_CH0_IADDR_REG -_DMA_CH0_IADDR_REG: - .word 0x00000000 - - .global _DMA_CH0_SIZE_REG -_DMA_CH0_SIZE_REG: - .word 0x00000000 - - .global _DMA_CH1_EADDR_REG -_DMA_CH1_EADDR_REG: - .word 0x00000000 - - .global _DMA_CH1_IADDR_REG -_DMA_CH1_IADDR_REG: - .word 0x00000000 - - .global _DMA_CH1_SIZE_REG -_DMA_CH1_SIZE_REG: - .word 0x00000000 - - .global _DMA_CH2_EADDR_REG -_DMA_CH2_EADDR_REG: - .word 0x00000000 - - .global _DMA_CH2_IADDR_REG -_DMA_CH2_IADDR_REG: - .word 0x00000000 - - .global _DMA_CH2_SIZE_REG -_DMA_CH2_SIZE_REG: - .word 0x00000000 - - .global _DMA_CH3_EADDR_REG -_DMA_CH3_EADDR_REG: - .word 0x00000000 - - .global _DMA_CH3_IADDR_REG -_DMA_CH3_IADDR_REG: - .word 0x00000000 - - .global _DMA_CH3_SIZE_REG -_DMA_CH3_SIZE_REG: - .word 0x00000000 - - ; 256 bytes minus fourteen registers (four bytes per register) - .fill (256 - 14 * 4) - - - - ;.org 0xfffffa00 - ; Sequence Generator - .global _SEQ_GEN_CTRL_STATUS_REG -_SEQ_GEN_CTRL_STATUS_REG: - .word 0x00000000 - - .global _SEQ_GEN_MASK_REGS -_SEQ_GEN_MASK_REGS: - .fill (302 * 4) - - .global _SEQ_GEN_SHIFT_REG -_SEQ_GEN_SHIFT_REG: - .word 0x00000000 - - ; 256 bytes minus seven registers (four bytes per register) - .fill (256 - 48 * 4) - - - - ; Reserved memory-map space - .fill (0x1000 - 0xf00) diff --git a/libgloss/mt/startup-64-001.S b/libgloss/mt/startup-64-001.S deleted file mode 100644 index 5ceb42b36..000000000 --- a/libgloss/mt/startup-64-001.S +++ /dev/null @@ -1,378 +0,0 @@ -/* - * $Header$ - * - * interrupt_vectors.s -- the interrupt handler jump table. - * - * - * There are a total of 32 interrupt vector possible, however, only - * 11 of those are currently used (the others are reserved). The - * order of vectors is as follows: - * - * 1. Boot Vector. Vector for power-on/reset. - * 2. Software Vector. Vector for handling the SI instruction (an - * explicit interrupt caused by software). - * 3. Break Vector. Vector for handling the Break instruction. - * 4. Device 0 Vector. Service vector for device zero. - * 5. Device 1 Vector. Service vector for device one. - * 6. Device 2 Vector. Service vector for device two. - * 7. Device 3 Vector. Service vector for device three. - * 8. Device 4 Vector. Service vector for device four. - * 9. Device 5 Vector. Service vector for device five. - * 10. Device 6 Vector. Service vector for device six. - * 11. Device 7 Vector. Service vector for device seven. - * - * The rest of the interrupt vectors are reserved for future use. - * - * - * Each jump table entry consists of the following two instructions: - * - * jmp Label ; Label as appropriate - * nop ; implemented as or r0,r0,r0 - * - * The following labels are reserved for the vectors named above, - * respectively: - * - * _BOOTIVEC, _SOFTIVEC, _BRKIVEC, _DEV0IVEC, _DEV1IVEC, _DEV2IVEC, - * _DEV3IVEC, _DEV4IVEC, _DEV5IVEC, _DEV6IVEC, _DEV7IVEC - * - * - * 26Sep01 (DJK) The memory map is changed and the device interrupts are - * now memory-mapped. - * - * 10Oct01 (DJK) The memory map is finalized and the first 4K of address - * space is now reserved for memory-mapped I/O devices. - * (There is over 2K unused, reserved space in this area.) - * - * 27Jul02 (DJK) Fixed the address for the interrupt mask register. Old - * documentation stated the port address as 0x140, but - * the implementation uses 0x13c. - * - * 30Jul02 (DJK) Added support for printf. This only supports output to - * stderr and stdout. Using the message box interface, - * a (newly defined) message or series of messages is - * passed to the controller to output bytes as text to - * the debug console. These messages are constructed in - * the interrupt handler for the SI instruction. - * With this implementation, the user is unable to - * utilize the message box interface in applications as - * specialized interrupt handlers for the external - * interrupts are necessary. - * - * - * - * Copyright (c) 2001, 2002, 2003, 2004 Morpho Technologies, Inc. - * - */ - - .section .startup, "a", @progbits - .global __boot_start -_INTERRUPT_VECTOR_TABLE: -__boot_start: - jmp _BOOTIVEC ; Boot vector - or r0, r0, r0 - jmp _SOFTIVEC ; Vector for SI instruction - or r0,r0,r0 - jmp _BRKIVEC ; Vector for Break instruction - or r0,r0,r0 - - - ; This is the memory-mapped I/O region. - - ; Hardware Interrupt Registers - .org 0x100 - .global _DEV0_INTERRUPT_REG -_DEV0_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV1_INTERRUPT_REG -_DEV1_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV2_INTERRUPT_REG -_DEV2_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV3_INTERRUPT_REG -_DEV3_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV4_INTERRUPT_REG -_DEV4_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV5_INTERRUPT_REG -_DEV5_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV6_INTERRUPT_REG -_DEV6_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV7_INTERRUPT_REG -_DEV7_INTERRUPT_REG: - .word 0x00000000 - - ; 60 bytes minus eight registers (four bytes per register) - .fill (60 - 8 * 4) - - .global _INTERRUPT_MASK_REG -_INTERRUPT_MASK_REG: - .word 0x00000000 - - ; 256 bytes minus sixteen registers (four bytes per register) - .fill (256 - 16 * 4) - - - - .org 0x200 - ; MorphoSys Decoder Registers - .global _MS_DEC_AUTO_INCREMENT_REG -_MS_DEC_AUTO_INCREMENT_REG: - .word 0x00000000 - - .global _MS_DEC_SKIP_FACTOR_REG -_MS_DEC_SKIP_FACTOR_REG: - .word 0x00000000 - - .global _MS_DEC_CUSTOM_PERMUTATION_REG -_MS_DEC_CUSTOM_PERMUTATION_REG: - .word 0x00000000 - - .global _MS_DEC_CONTEXT_BASE_REG -_MS_DEC_CONTEXT_BASE_REG: - .word 0x00000000 - - .global _MS_DEC_LOOKUP_TABLE_BASE_REG -_MS_DEC_LOOKUP_TABLE_BASE_REG: - .word 0x00000000 - - .global _MS_CIRCULAR_BUFFER_END_REG -_MS_CIRCULAR_BUFFER_END_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRCULAR_BUFFER_SIZE_REG -_MS_CIRCULAR_BUFFER_SIZE_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BLOCK_END_REG -_MS_DATA_BLOCK_END_REG: - .word 0x00000000 - - .global _MS_DATA_BLOCK_SIZE_REG -_MS_DATA_BLOCK_SIZE_REG: - .word 0x00000000 - - ; 256 bytes minus nine registers (four bytes per register) - .fill (256 - 9 * 4) - - - - .org 0x300 - ; Debug Registers - .global _DEBUG_HALT_REG -_DEBUG_HALT_REG: - .word 0x00000000 - - .global _DEBUG_BREAK_REG -_DEBUG_BREAK_REG: - .word 0x00000000 - - .global _DEBUG_HW_RESERVED0_REG -_DEBUG_HW_RESERVED0_REG: - .word 0x00000000 - - .global _DEBUG_HW_RESERVED1_REG -_DEBUG_HW_RESERVED1_REG: - .word 0x00000000 - - .global _DEBUG_HW_RESERVED2_REG -_DEBUG_HW_RESERVED2_REG: - .word 0x00000000 - - .global _DEBUG_HW_RESERVED3_REG -_DEBUG_HW_RESERVED3_REG: - .word 0x00000000 - - .global _DEBUG_HW_RESERVED4_REG -_DEBUG_HW_RESERVED4_REG: - .word 0x00000000 - - .global _DEBUG_SW_SYSREQ_REG -_DEBUG_SW_SYSREQ_REG: - .word 0x00000000 - - ; 256 bytes minus eight registers (four bytes per register) - .fill (256 - 8 * 4) - - - - .org 0x400 - ; Sequence Generator Registers -_SEQ_GEN_REGS: - .fill 256 - - - - .org 0x500 -_RESERVED_SEQ_GEN_REGS: - .fill 256 - - - - .org 0x600 - .global _TIMER0_VAL_REG -_TIMER0_VAL_REG: - .word 0x00000000 - - .global _TIMER0_CTRL_REG -_TIMER0_CTRL_REG: - .word 0x00000000 - - .global _TIMER1_VAL_REG -_TIMER1_VAL_REG: - .word 0x00000000 - - .global _TIMER1_CTRL_REG -_TIMER1_CTRL_REG: - .word 0x00000000 - - .global _TIMER2_VAL_REG -_TIMER2_VAL_REG: - .word 0x00000000 - - .global _TIMER2_CTRL_REG -_TIMER2_CTRL_REG: - .word 0x00000000 - - ; 256 bytes minus six registers (four bytes per register) - .fill (256 - 6 * 4) - - - - .org 0x700 - .global _OUTPUT0_CONTROL -_OUTPUT0_CONTROL: - .word 0x00000000 - - .global _OUTPUT1_CONTROL -_OUTPUT1_CONTROL: - .word 0x00000000 - - .global _OUTPUT2_CONTROL -_OUTPUT2_CONTROL: - .word 0x00000000 - - .global _OUTPUT3_CONTROL -_OUTPUT3_CONTROL: - .word 0x00000000 - - .global _OUTPUT4_CONTROL -_OUTPUT4_CONTROL: - .word 0x00000000 - - .global _OUTPUT5_CONTROL -_OUTPUT5_CONTROL: - .word 0x00000000 - - .global _OUTPUT6_CONTROL -_OUTPUT6_CONTROL: - .word 0x00000000 - - .global _OUTPUT7_CONTROL -_OUTPUT7_CONTROL: - .word 0x00000000 - - ; 256 bytes minus eight registers (four bytes per register) - .fill (256 - 8 * 4) - - - - .org 0x800 - ; Reserved memory-mapped space. - .fill (0x1000 - 0x800) - - - - .text - - .equ SI_IOPORT_ADR, _DEBUG_SW_SYSREQ_REG - .equ SI_IOPORT_BIT, 0x1 - .equ BRK_IOPORT_ADR, _DEBUG_BREAK_REG - .equ BRK_IOPORT_BIT, 0x1 - - .global _BOOTIVEC -_BOOTIVEC: - - ; Initialize the interrupt controller's interrupt vector registers - ; for devices zero through seven. - ldui r1, #%hi16(_IVEC_DEFAULT) - ori r1, r1, #%lo16(_IVEC_DEFAULT) - stw r1, r0, #%lo16(_DEV0_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV1_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV2_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV3_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV4_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV5_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV6_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV7_INTERRUPT_REG) - - ; Jump to the beginning of the application and enable interrupts. - jmp _start - ei - - - - ; Handler for the SI instruction. To perform a system call, the - ; C model uses a trapping mechanism which executes an SI instruction. - ; The Morpho Technologies simulator simply performs a branch to - ; this vector to simulate the SI instruction (this is as the hardware - ; behaves). In order to trigger the simulator that a system call - ; is needed, a write into the I/O register at address $40005 to - ; set bit #2 (0x4) is necessary. - ; - ; The above address has been changed to 0x31C and the bit number - ; is zero. (The manifest constants have been changed to reflect this.) - ; - .global _SOFTIVEC -_SOFTIVEC: - ; Build a frame to save registers. - subi sp, sp, #$8 - stw r9, sp, #$4 - ldui r9, #%hi16(SI_IOPORT_ADR) - stw r10, sp, #$0 - ori r9, r9, #%lo16(SI_IOPORT_ADR) - ori r10, r0, #SI_IOPORT_BIT - stw r10, r9, #$0 - ; SYS_call is handled by simulator here... - or r0, r0, r0 - ldw r10, sp, #$0 - or r0, r0, r0 - ldw r9, sp, #$4 - reti r14 - addi sp, sp, #$8 - - - - .global _BRKIVEC -_BRKIVEC: - ; Build a frame to save registers. - subi sp, sp, #$8 - stw r9, sp, #$4 - ldui r9, #%hi16(BRK_IOPORT_ADR) - stw r10, sp, #$0 - ori r9, r9, #%lo16(BRK_IOPORT_ADR) - ori r10, r0, #BRK_IOPORT_BIT - stw r10, r9, #$0 - or r0, r0, r0 - ldw r10, sp, #$0 - subi r15, r15, #$4 ; Backup to address of break - ldw r9, sp, #$4 - reti r15 - addi sp, sp, #$8 - - - - .global _IVEC_DEFAULT -_IVEC_DEFAULT: - reti r15 - or r0, r0, r0 diff --git a/libgloss/mt/startup-ms2.S b/libgloss/mt/startup-ms2.S deleted file mode 100644 index f11e3fa6a..000000000 --- a/libgloss/mt/startup-ms2.S +++ /dev/null @@ -1,840 +0,0 @@ -/* - * - * interrupt_vectors.s -- the interrupt handler jump table. - * - * - * There are a total of 32 interrupt vector possible, however, only - * 11 of those are currently used (the others are reserved). The - * order of vectors is as follows: - * - * 1. Boot Vector. Vector for power-on/reset. - * 2. Software Vector. Vector for handling the SI instruction (an - * explicit interrupt caused by software). - * 3. Break Vector. Vector for handling the Break instruction. - * 4. Device 0 Vector. Service vector for device zero. - * 5. Device 1 Vector. Service vector for device one. - * 6. Device 2 Vector. Service vector for device two. - * 7. Device 3 Vector. Service vector for device three. - * 8. Device 4 Vector. Service vector for device four. - * 9. Device 5 Vector. Service vector for device five. - * 10. Device 6 Vector. Service vector for device six. - * 11. Device 7 Vector. Service vector for device seven. - * - * The rest of the interrupt vectors are reserved for future use. - * - * - * Each jump table entry consists of the following two instructions: - * - * jmp Label ; Label as appropriate - * nop ; implemented as or r0,r0,r0 - * - * The following labels are reserved for the vectors named above, - * respectively: - * - * _BOOTIVEC, _SOFTIVEC, _BRKIVEC, _DEV0IVEC, _DEV1IVEC, _DEV2IVEC, - * _DEV3IVEC, _DEV4IVEC, _DEV5IVEC, _DEV6IVEC, _DEV7IVEC - * - * 28Apr05 (DJK) Added support for the overflow vector. - * - * XXXXXXX (DJK) Modified for the MS2 target - * - * 09Jan04 (DJK) Modified internal I/O port definitions for the - * MS1-16-003. - * - * 10Oct01 (DJK) The memory map is finalized and the first 4K of address - * space is now reserved for memory-mapped I/O devices. - * (There is over 2K unused, reserved space in this area.) - * - * 26Sep01 (DJK) The memory map is changed and the device interrupts are - * now memory-mapped. - * - * - * - * Copyright (c) 2001, 2002, 2003, 2004 Morpho Technologies - * - */ - - .section .startup, "a", @progbits - .global __boot_start -__boot_start: -_INTERRUPT_VECTOR_TABLE: - jmp _BOOTIVEC ; Boot vector - or r0, r0, r0 - jmp _SOFTIVEC ; Vector for SI instruction - or r0, r0, r0 - jmp _BRKIVEC ; Vector for Break instruction - or r0, r0, r0 - ; The illegal instruction trap is not implemented. -_RESERVED1_IVEC: - jmp _RESERVED1_IVEC - or r0, r0, r0 - jmp _OVFIVEC - or r0, r0, r0 -_RESERVED2_IVEC: - jmp _RESERVED2_IVEC - or r0, r0, r0 -_RESERVED3_IVEC: - jmp _RESERVED3_IVEC - or r0, r0, r0 -_RESERVED4_IVEC: - jmp _RESERVED4_IVEC - or r0, r0, r0 - - - .text - - .equ SI_IOPORT_ADR, _DEBUG_SW_SYSREQ_REG - .equ SI_IOPORT_BIT, 0x1 - .equ BRK_IOPORT_ADR, _DEBUG_BREAK_REG - .equ BRK_IOPORT_BIT, 0x1 - - .global _BOOTIVEC -_BOOTIVEC: - ; Initialize the interrupt controller's interrupt vector registers - ldui r1, #%hi16(_IVEC_DEFAULT) - ori r1, r1, #%lo16(_IVEC_DEFAULT) - stw r1, r0, #%lo16(_DEV0_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV1_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV2_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV3_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV4_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV5_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV6_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV7_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV8_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV9_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV10_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV11_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV12_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV13_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV14_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV15_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV16_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV17_INTERRUPT_REG) - stw r1, r0, #%lo16(_DEV18_INTERRUPT_REG) - - ; Statically initialized data must be copied from ROM to RAM. - ; This is done in the C run-time start-up code (crt0.o). - - ; Jump to the beginning of the application and enable interrupts. - jmp _start - ei - - - ; Handler for the SI instruction. To perform a system call, the - ; C model uses a trapping mechanism which executes an SI instruction. - ; The Morpho Technologies simulator simply performs a branch to - ; this vector to simulate the SI instruction (this is as the hardware - ; behaves). In order to trigger the simulator that a system call - ; is needed a write into the I/O register at address $40005 to - ; set bit #2 (0x4) is necessary. - ; - ; The above address has been changed to 0x00031C and the bit number - ; is zero. (The manifest constants have been changed to reflect this.) - .global _SOFTIVEC -_SOFTIVEC: - ; Build a frame to save registers. - subi sp, sp, #$8 - stw r9, sp, #$4 - ldui r9, #%hi16(SI_IOPORT_ADR) - stw r10, sp, #$0 - ori r9, r9, #%lo16(SI_IOPORT_ADR) - ori r10, r0, #SI_IOPORT_BIT - stw r10, r9, #$0 - ; SYS_call is handled by simulator here... - or r0, r0, r0 - ldw r10, sp, #$0 - or r0, r0, r0 - ldw r9, sp, #$4 - reti r14 - addi sp, sp, #$8 - - - - .global _BRKIVEC -_BRKIVEC: - ; Build a frame to save registers. - subi sp, sp, #$8 - stw r9, sp, #$4 - ldui r9, #%hi16(BRK_IOPORT_ADR) - stw r10, sp, #$0 - ori r9, r9, #%lo16(BRK_IOPORT_ADR) - ori r10, r0, #BRK_IOPORT_BIT - stw r10, r9, #$0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - or r0, r0, r0 - ldw r10, sp, #$0 - ldw r9, sp, #$4 - reti r15 - addi sp, sp, #$8 - - - .global _OVFIVEC -_OVFIVEC: - addi r15, r15, #$4 - or r0, r0, r0 - or r0, r0, r0 ; added 06Sep05 - reti r15 - or r0, r0, r0 - - - .global _IVEC_DEFAULT -_IVEC_DEFAULT: - reti r15 - or r0, r0, r0 - - - .section .internal_io, "a", @progbits - .fill 256 ; Fill the first page. - - ; This is the memory-mapped I/O region. - - ; Hardware Interrupt Registers - ;.org 0xfffff100 - .global _DEV0_INTERRUPT_REG -_DEV0_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV1_INTERRUPT_REG -_DEV1_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV2_INTERRUPT_REG -_DEV2_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV3_INTERRUPT_REG -_DEV3_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV4_INTERRUPT_REG -_DEV4_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV5_INTERRUPT_REG -_DEV5_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV6_INTERRUPT_REG -_DEV6_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV7_INTERRUPT_REG -_DEV7_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV8_INTERRUPT_REG -_DEV8_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV9_INTERRUPT_REG -_DEV9_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV10_INTERRUPT_REG -_DEV10_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV11_INTERRUPT_REG -_DEV11_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV12_INTERRUPT_REG -_DEV12_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV13_INTERRUPT_REG -_DEV13_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV14_INTERRUPT_REG -_DEV14_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV15_INTERRUPT_REG -_DEV15_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV16_INTERRUPT_REG -_DEV16_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV17_INTERRUPT_REG -_DEV17_INTERRUPT_REG: - .word 0x00000000 - - .global _DEV18_INTERRUPT_REG -_DEV18_INTERRUPT_REG: - .word 0x00000000 - - ; 128 bytes minus nineteen registers (four bytes per register) - .fill (128 - 19 * 4) - - .global _INTERRUPT_MASK_REG -_INTERRUPT_MASK_REG: - .word 0x00000000 - - .global _INTERRUPT_PENDING_REG -_INTERRUPT_PENDING_REG: - .word 0x00000000 - - ; 16 bytes minus two registers (four bytes per register) - .fill (16 - 2 * 4) - - .global _DEV0_INTERRUPT_LEVEL_REG -_DEV0_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV1_INTERRUPT_LEVEL_REG -_DEV1_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV2_INTERRUPT_LEVEL_REG -_DEV2_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV3_INTERRUPT_LEVEL_REG -_DEV3_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV4_INTERRUPT_LEVEL_REG -_DEV4_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV5_INTERRUPT_LEVEL_REG -_DEV5_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV6_INTERRUPT_LEVEL_REG -_DEV6_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV7_INTERRUPT_LEVEL_REG -_DEV7_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV8_INTERRUPT_LEVEL_REG -_DEV8_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV9_INTERRUPT_LEVEL_REG -_DEV9_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV10_INTERRUPT_LEVEL_REG -_DEV10_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV11_INTERRUPT_LEVEL_REG -_DEV11_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV12_INTERRUPT_LEVEL_REG -_DEV12_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV13_INTERRUPT_LEVEL_REG -_DEV13_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV14_INTERRUPT_LEVEL_REG -_DEV14_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV15_INTERRUPT_LEVEL_REG -_DEV15_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV16_INTERRUPT_LEVEL_REG -_DEV16_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV17_INTERRUPT_LEVEL_REG -_DEV17_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - .global _DEV18_INTERRUPT_LEVEL_REG -_DEV18_INTERRUPT_LEVEL_REG: - .word 0x00000000 - - ; 128 bytes minus twenty-three registers (four bytes per register) - .fill (128 - 23 * 4) - - - ;.org 0xfffff200 - ; MorphoSys Decoder Registers - .global _MS_DEC_CIRC_BUFF_SEL_REG -_MS_DEC_CIRC_BUFF_SEL_REG: - .word 0x00000000 - - .global _MS_DEC_SKIP_FACTOR_REG -_MS_DEC_SKIP_FACTOR_REG: - .word 0x00000000 - - .global _MS_DEC_CUSTOM_PERM_REG -_MS_DEC_CUSTOM_PERM_REG: - .word 0x00000000 - - .global _MS_DEC_CTXT_BASE_REG -_MS_DEC_CTXT_BASE_REG: - .word 0x00000000 - - .global _MS_DEC_LOOKUP_TBL_REG -_MS_DEC_LOOKUP_TBL_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF0_I_REG -_MS_CIRC_BUFF0_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF0_P_REG -_MS_CIRC_BUFF0_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF0_B_REG -_MS_DATA_BUFF0_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF0_S_REG -_MS_DATA_BUFF0_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF1_I_REG -_MS_CIRC_BUFF1_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF1_P_REG -_MS_CIRC_BUFF1_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF1_B_REG -_MS_DATA_BUFF1_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF1_S_REG -_MS_DATA_BUFF1_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF2_I_REG -_MS_CIRC_BUFF2_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF2_P_REG -_MS_CIRC_BUFF2_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF2_B_REG -_MS_DATA_BUFF2_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF2_S_REG -_MS_DATA_BUFF2_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF3_I_REG -_MS_CIRC_BUFF3_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF3_P_REG -_MS_CIRC_BUFF3_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF3_B_REG -_MS_DATA_BUFF3_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF3_S_REG -_MS_DATA_BUFF3_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF4_I_REG -_MS_CIRC_BUFF4_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF4_P_REG -_MS_CIRC_BUFF4_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF4_B_REG -_MS_DATA_BUFF4_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF4_S_REG -_MS_DATA_BUFF4_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF5_I_REG -_MS_CIRC_BUFF5_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF5_P_REG -_MS_CIRC_BUFF5_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF5_B_REG -_MS_DATA_BUFF5_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF5_S_REG -_MS_DATA_BUFF5_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF6_I_REG -_MS_CIRC_BUFF6_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF6_P_REG -_MS_CIRC_BUFF6_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF6_B_REG -_MS_DATA_BUFF6_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF6_S_REG -_MS_DATA_BUFF6_S_REG: - .word 0x00000000 - - .global _MS_CIRC_BUFF7_I_REG -_MS_CIRC_BUFF7_I_REG: - .word (__FRAME_BUFFER_END) - - .global _MS_CIRC_BUFF7_P_REG -_MS_CIRC_BUFF7_P_REG: - .word __FRAME_BUFFER_SIZE - - .global _MS_DATA_BUFF7_B_REG -_MS_DATA_BUFF7_B_REG: - .word 0x00000000 - - .global _MS_DATA_BUFF7_S_REG -_MS_DATA_BUFF7_S_REG: - .word 0x00000000 - - .global _MS_OMEGA_PERM1_REG -_MS_OMEGA_PERM1_REG: - .word 0x00000000 - - .global _MS_WRITE_FB_ADDR_REG -_MS_WRITE_FB_ADDR_REG: - .word 0x00000000 - - .global _MS_OMEGA_PERM2_REG -_MS_OMEGA_PERM2_REG: - .word 0x00000000 - - - ; 256 bytes minus forty registers (four bytes per register) - .fill (256 - 40 * 4) - - - - ;.org 0xfffff300 - ; Debug Registers - .global _DEBUG_HALT_REG -_DEBUG_HALT_REG: - .word 0x00000000 - - .global _DEBUG_BREAK_REG -_DEBUG_BREAK_REG: - .word 0x00000000 - - .global _DEBUG_CRITICAL_REG -_DEBUG_OWNERSHIP_REG: - .word 0x00000000 - - .global _DEBUG_KERNEL_ID_REG -_DEBUG_KERNEL_ID_REG: - .word 0x00000000 - - .global _DEBUG_IRQ_STATUS_REG -_DEBUG_IRQ_STATUS_REG: - .word 0x00000000 - - ; There are two reserved registers. - .fill (2 * 4) - - .global _DEBUG_SW_SYSREQ_REG -_DEBUG_SW_SYSREQ_REG: - .word 0x00000000 - - ; 128 bytes minus eight registers (four bytes per register) - .fill (128 - 8 * 4) - - .global _EXTENDED_GP0_REG -_EXTENDED_GP0_REG: - .word 0x00000000 - - .global _EXTENDED_GP1_REG -_EXTENDED_GP1_REG: - .word 0x00000000 - - .global _EXTENDED_GP2_REG -_EXTENDED_GP2_REG: - .word 0x00000000 - - .global _EXTENDED_GP3_REG -_EXTENDED_GP3_REG: - .word 0x00000000 - - .global _EXTENDED_GP4_REG -_EXTENDED_GP4_REG: - .word 0x00000000 - - .global _EXTENDED_GP5_REG -_EXTENDED_GP5_REG: - .word 0x00000000 - - .global _EXTENDED_GP6_REG -_EXTENDED_GP6_REG: - .word 0x00000000 - - .global _EXTENDED_GP7_REG -_EXTENDED_GP7_REG: - .word 0x00000000 - - .global _MEM_CTRL_EN_NC_MEM_REG -_MEM_CTRL_EN_NC_MEM_REG: - .word 0x00000000 - - .global _MEM_CTRL_BASE0_ADDR_REG -_MEM_CTRL_BASE0_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_MASK0_ADDR_REG -_MEM_CTRL_MASK0_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_BASE1_ADDR_REG -_MEM_CTRL_BASE1_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_MASK1_ADDR_REG -_MEM_CTRL_MASK1_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_BASE2_ADDR_REG -_MEM_CTRL_BASE2_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_MASK2_ADDR_REG -_MEM_CTRL_MASK2_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_BASE3_ADDR_REG -_MEM_CTRL_BASE3_ADDR_REG: - .word 0x00000000 - - .global _MEM_CTRL_MASK3_ADDR_REG -_MEM_CTRL_MASK3_ADDR_REG: - .word 0x00000000 - - ; 128 bytes minus seventeen registers (four bytes per register) - .fill (128 - 17 * 4) - - - - ; Reserved memory-map space - .fill (256 + 256) - - - - ;.org 0xfffff600 - ; Timer Registers - .global _TIMER0_VAL_REG -_TIMER0_VAL_REG: - .word 0x00000000 - - .global _TIMER1_VAL_REG -_TIMER1_VAL_REG: - .word 0x00000000 - - .global _TIMER2_VAL_REG -_TIMER2_VAL_REG: - .word 0x00000000 - - .global _TIMER3_VAL_REG -_TIMER3_VAL_REG: - .word 0x00000000 - - ; 256 bytes minus four registers (four bytes per register) - .fill (256 - 4 * 4) - - - - ;.org 0xfffff700 - ; Output Line Control Registers - .global _OUTPUT0_CTRL -_OUTPUT0_CTRL: - .word 0x00000000 - - .global _OUTPUT1_CTRL -_OUTPUT1_CTRL: - .word 0x00000000 - - .global _OUTPUT2_CTRL -_OUTPUT2_CTRL: - .word 0x00000000 - - .global _OUTPUT3_CTRL -_OUTPUT3_CTRL: - .word 0x00000000 - - .global _OUTPUT4_CTRL -_OUTPUT4_CTRL: - .word 0x00000000 - - .global _OUTPUT5_CTRL -_OUTPUT5_CTRL: - .word 0x00000000 - - .global _OUTPUT6_CTRL -_OUTPUT6_CTRL: - .word 0x00000000 - - ; 128 bytes minus seven registers (four bytes per register) - .fill (128 - 7 * 4) - - .global _INPUT0_CTRL -_INPUT0_CTRL: - .word 0x00000000 - - ; 128 bytes minus one register (four bytes per register) - .fill (128 - 1 * 4) - - - - ;.org 0xfffff800 - ; IQ Buffer Registers - .global _IQ_BUFF_CTRL_REG -_IQ_BUFF_CTRL_REG: - .word 0x00000000 - - .global _IQ_BUFF_STATUS_REG -_IQ_BUFF_STATUS_REG: - .word 0x00000000 - - .global _IQ_BUFF_PARAMETER1_REG -_IQ_BUFF_PARAMETER1_REG: - .word 0x00000000 - - .global _IQ_BUFF_TRANSFER_SIZE1_REG -_IQ_BUFF_TRANSFER_SIZE1_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_BASE1_REG -_IQ_BUFF_FB_BASE1_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_SIZE1_REG -_IQ_BUFF_FB_SIZE1_REG: - .word 0x00000000 - - .global _IQ_BUFF_PARAMETER2_REG -_IQ_BUFF_PARAMETER2_REG: - .word 0x00000000 - - .global _IQ_BUFF_TRANSFER_SIZE2_REG -_IQ_BUFF_TRANSFER_SIZE2_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_BASE2_REG -_IQ_BUFF_FB_BASE2_REG: - .word 0x00000000 - - .global _IQ_BUFF_FB_SIZE2_REG -_IQ_BUFF_FB_SIZE2_REG: - .word 0x00000000 - - ; 256 bytes minus ten registers (four bytes per register) - .fill (256 - 10 * 4) - - - - ;.org 0xfffff900 - ; DMA Controller - .global _DMA_CTRL_REG -_DMA_CTRL_REG: - .word 0x00000000 - - .global _DMA_STATUS_REG -_DMA_STATUS_REG: - .word 0x00000000 - - .global _DMA_CH0_EADDR_REG -_DMA_CH0_EADDR_REG: - .word 0x00000000 - - .global _DMA_CH0_IADDR_REG -_DMA_CH0_IADDR_REG: - .word 0x00000000 - - .global _DMA_CH0_SIZE_REG -_DMA_CH0_SIZE_REG: - .word 0x00000000 - - .global _DMA_CH1_EADDR_REG -_DMA_CH1_EADDR_REG: - .word 0x00000000 - - .global _DMA_CH1_IADDR_REG -_DMA_CH1_IADDR_REG: - .word 0x00000000 - - .global _DMA_CH1_SIZE_REG -_DMA_CH1_SIZE_REG: - .word 0x00000000 - - .global _DMA_CH2_EADDR_REG -_DMA_CH2_EADDR_REG: - .word 0x00000000 - - .global _DMA_CH2_IADDR_REG -_DMA_CH2_IADDR_REG: - .word 0x00000000 - - .global _DMA_CH2_SIZE_REG -_DMA_CH2_SIZE_REG: - .word 0x00000000 - - .global _DMA_CH3_EADDR_REG -_DMA_CH3_EADDR_REG: - .word 0x00000000 - - .global _DMA_CH3_IADDR_REG -_DMA_CH3_IADDR_REG: - .word 0x00000000 - - .global _DMA_CH3_SIZE_REG -_DMA_CH3_SIZE_REG: - .word 0x00000000 - - ; 256 bytes minus fourteen registers (four bytes per register) - .fill (256 - 14 * 4) - - - - ;.org 0xfffffa00 - ; Sequence Generator - .global _SEQ_GEN_CTRL_STATUS_REG -_SEQ_GEN_CTRL_STATUS_REG: - .word 0x00000000 - - .global _SEQ_GEN_MASK_REGS -_SEQ_GEN_MASK_REGS: - .fill (302 * 4) - - .global _SEQ_GEN_SHIFT_REG -_SEQ_GEN_SHIFT_REG: - .word 0x00000000 - - ; 256 bytes minus seven registers (four bytes per register) - .fill (256 - 48 * 4) - - - - ; Reserved memory-map space - .fill (0x1000 - 0xf00) diff --git a/libgloss/mt/stat.c b/libgloss/mt/stat.c deleted file mode 100644 index 9a6ca7ca0..000000000 --- a/libgloss/mt/stat.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -int -stat (const char *path, struct stat *st) - -{ - return TRAP0 (SYS_stat, path, st, 0); -} diff --git a/libgloss/mt/time.c b/libgloss/mt/time.c deleted file mode 100644 index 2df8d48d2..000000000 --- a/libgloss/mt/time.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -time_t -time (time_t *tloc) -{ - return TRAP0 (SYS_time, tloc, 0, 0); -} diff --git a/libgloss/mt/times.c b/libgloss/mt/times.c deleted file mode 100644 index b804be4cd..000000000 --- a/libgloss/mt/times.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" -#include "sys/times.h" - - -clock_t -times (struct tms *buffer) -{ - return TRAP0 (SYS_times, buffer, 0, 0); -} diff --git a/libgloss/mt/trap.S b/libgloss/mt/trap.S deleted file mode 100644 index 9fca7204e..000000000 --- a/libgloss/mt/trap.S +++ /dev/null @@ -1,34 +0,0 @@ -;; -;; The errno will be in r5 if r11 is -1. -;; - .text - .global __trap0 -__trap0: - ;; non-leaf function so need to create stack frame to - ;; store ra and fp - subi sp, sp, #16 - stw ra, sp, #12 - or r0, r0, r0 ;; nop - stw fp, sp, #8 - or fp, sp, sp - stw r5, sp, #4 - or r0, r0, r0 ;; nop - stw r6, sp, #0 - addi r6, r0, #$-1 - si r14 - or r0, r0, r0 ;; nop - brne r11, r6, .L0 - ldui r6, #%hi16(errno) - addui r6, r6, #%lo16(errno) - stw r5, r6, #0 - or r0, r0, r0 ;; nop -.L0: - ldw r6, sp, #0 - or r0, r0, r0 ;; nop - ldw r5, sp, #4 - or r0, r0, r0 ;; nop - ldw ra, sp, #12 - or r0, r0, r0 ;; nop - ldw fp, sp, #8 - jal r0, r14 - addi sp, sp, #16 diff --git a/libgloss/mt/trap.h b/libgloss/mt/trap.h deleted file mode 100644 index 27636c004..000000000 --- a/libgloss/mt/trap.h +++ /dev/null @@ -1,5 +0,0 @@ -#include "syscall.h" - -int __trap0 (); - -#define TRAP0(f, p1, p2, p3) __trap0(f, (p1), (p2), (p3)) diff --git a/libgloss/mt/unlink.c b/libgloss/mt/unlink.c deleted file mode 100644 index a620e89dd..000000000 --- a/libgloss/mt/unlink.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -int -unlink () -{ - return -1; -} diff --git a/libgloss/mt/utime.c b/libgloss/mt/utime.c deleted file mode 100644 index 3fce7e364..000000000 --- a/libgloss/mt/utime.c +++ /dev/null @@ -1,13 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -int -utime (path, times) - const char *path; - char *times; -{ - return TRAP0 (SYS_utime, path, times, 0); -} diff --git a/libgloss/mt/write.c b/libgloss/mt/write.c deleted file mode 100644 index 88b5ff83d..000000000 --- a/libgloss/mt/write.c +++ /dev/null @@ -1,13 +0,0 @@ -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "trap.h" - - -int -write ( int file, - char *ptr, - size_t len) -{ - return TRAP0 (SYS_write, file, ptr, len); -} |