diff options
Diffstat (limited to 'firmware/microblaze/lib/microblaze.ld')
-rw-r--r-- | firmware/microblaze/lib/microblaze.ld | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/microblaze.ld b/firmware/microblaze/lib/microblaze.ld new file mode 100644 index 000000000..ef816cf2e --- /dev/null +++ b/firmware/microblaze/lib/microblaze.ld @@ -0,0 +1,163 @@ +OUTPUT_FORMAT("elf32-microblaze", "", "") +/* SEARCH_DIR(/home/jwilliams/tmp/microblaze-toolchain-sources/release/lin/microblaze//lib);*/ + +ENTRY(_start) + +MEMORY { + flatmem : ORIGIN = 0x0, LENGTH = 0x00008000 /* 32KB */ +} + +SECTIONS +{ + _TEXT_START_ADDR = DEFINED(_TEXT_START_ADDR) ? _TEXT_START_ADDR : 0x50; + .vectors.reset 0x0 : { *(.vectors.reset) } > flatmem + .vectors.sw_exception 0x8 : { *(.vectors.sw_exception) } > flatmem + .vectors.interrupt 0x10 : { *(.vectors.interrupt) } > flatmem + .vectors.hw_exception 0x20 : { *(.vectors.hw_exception) } >flatmem + . = _TEXT_START_ADDR; + _ftext = .; + .text : { + *(.text) + *(.text.*) + *(.gnu.linkonce.t.*) + } > flatmem + _etext = .; + .init : { KEEP (*(.init)) } > flatmem =0 + .fini : { KEEP (*(.fini)) } > flatmem =0 + PROVIDE (__CTOR_LIST__ = .); + PROVIDE (___CTOR_LIST__ = .); + .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)) + } > flatmem + PROVIDE (__CTOR_END__ = .); + PROVIDE (___CTOR_END__ = .); + PROVIDE (__DTOR_LIST__ = .); + PROVIDE (___DTOR_LIST__ = .); + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } > flatmem + PROVIDE (__DTOR_END__ = .); + PROVIDE (___DTOR_END__ = .); + . = ALIGN(4); + _frodata = . ; + .rodata : { + *(.rodata) + *(.gnu.linkonce.r.*) + CONSTRUCTORS; /* Is this needed? */ + } > flatmem + _erodata = .; + /* Alignments by 8 to ensure that _SDA2_BASE_ on a word boundary */ + /* Note that .sdata2 and .sbss2 must be contiguous */ + . = ALIGN(8); + _ssrw = .; + .sdata2 : { + *(.sdata2) + *(.gnu.linkonce.s2.*) + } > flatmem + . = ALIGN(4); + .sbss2 : { + PROVIDE (__sbss2_start = .); + *(.sbss2) + *(.gnu.linkonce.sb2.*) + PROVIDE (__sbss2_end = .); + } > flatmem + . = ALIGN(8); + _essrw = .; + _ssrw_size = _essrw - _ssrw; + PROVIDE (_SDA2_BASE_ = _ssrw + (_ssrw_size / 2 )); + . = ALIGN(4); + _fdata = .; + .data : { + *(.data) + *(.gnu.linkonce.d.*) + CONSTRUCTORS; /* Is this needed? */ + } > flatmem + _edata = . ; + /* Added to handle pic code */ + .got : { + *(.got) + } > flatmem + .got1 : { + *(.got1) + } > flatmem + .got2 : { + *(.got2) + } > flatmem + /* Added by Sathya to handle C++ exceptions */ + .eh_frame : { + *(.eh_frame) + } > flatmem + .jcr : { + *(.jcr) + } > flatmem + .gcc_except_table : { + *(.gcc_except_table) + } > flatmem + /* Alignments by 8 to ensure that _SDA_BASE_ on a word boundary */ + /* Note that .sdata and .sbss must be contiguous */ + . = ALIGN(8); + _ssro = .; + .sdata : { + *(.sdata) + *(.gnu.linkonce.s.*) + } > flatmem + . = ALIGN(4); + .sbss : { + PROVIDE (__sbss_start = .); + *(.sbss) + *(.gnu.linkonce.sb.*) + PROVIDE (__sbss_end = .); + } > flatmem + . = ALIGN(8); + _essro = .; + _ssro_size = _essro - _ssro; + PROVIDE (_SDA_BASE_ = _ssro + (_ssro_size / 2 )); + . = ALIGN(4); + _fbss = .; + .bss : { + PROVIDE (__bss_start = .); + *(.bss) + *(.gnu.linkonce.b.*) + *(COMMON) + . = ALIGN(4); + PROVIDE (__bss_end = .); + _heap = .; + _HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x0; + _STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x800; + . += _HEAP_SIZE; + _heap_end = .; + . += _STACK_SIZE; + . = ALIGN(8); + _stack = .; + _end = .; + } > flatmem + .tdata : { + *(.tdata) + *(.gnu.linkonce.td.*) + } > flatmem + .tbss : { + *(.tbss) + *(.gnu.linkonce.tb.*) + } > flatmem +} |