diff options
Diffstat (limited to 'libgloss/ms1/16-003.ld')
| -rw-r--r-- | libgloss/ms1/16-003.ld | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/libgloss/ms1/16-003.ld b/libgloss/ms1/16-003.ld new file mode 100644 index 0000000..9da0fe5 --- /dev/null +++ b/libgloss/ms1/16-003.ld @@ -0,0 +1,258 @@ +OUTPUT_FORMAT("elf32-ms1", "elf32-ms1", "elf32-ms1") +OUTPUT_ARCH(ms1) +ENTRY(__boot_start) +SEARCH_DIR(/usr/local/mrisc1-elf/lib) +/* 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. 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); + + .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) } +} |