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87 lines
1.4 KiB
Plaintext
87 lines
1.4 KiB
Plaintext
2 years ago
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/* this version puts kernel and bios at rom start
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/* define format
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INCLUDE output_format.ld */
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OUTPUT_FORMAT("elf32-powerpc")
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ENTRY(_start)
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/* define origin, len of rom, ram, csr */
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INCLUDE regions.ld
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SECTIONS
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{
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/* kernel code */
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.kernel :
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{
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/*_fkernel = .; */
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*crt0*(.text)
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KEEP(*crt0*(.text))
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*(.gnu.linkonce.t.*)
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_ekernel = .;
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} > rom
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.rodata :
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{
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. = ALIGN(8);
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_frodata = .;
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*(.rodata .rodata.* .gnu.linkonce.r.*)
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*(.rodata1)
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*(.got2 .got2.*)
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*(.toc .toc.*)
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FILL(0);
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. = ALIGN(8);
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_erodata = .;
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} > rom
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/* bios code */
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.bios :
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{
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. = ALIGN(32);
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bios.o (.text .text* .gnu.linkonce.t.*)
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. = ALIGN(4);
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} > rom
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/* kernel data to be copied to ram by rom code...*/
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.data :
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{
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. = ALIGN(8);
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_fdata = .;
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*(.data .data.* .gnu.linkonce.d.*)
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FILL(0);
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. = ALIGN(8);
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_edata = .;
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} > ram AT > rom
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.bss :
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{
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. = ALIGN(8);
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_fbss = .;
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*(.dynsbss)
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*(.sbss .sbss.* .gnu.linkonce.sb.*)
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*(.scommon)
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*(.dynbss)
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*(.bss .bss.* .gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN(8);
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_ebss = .;
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_end = .;
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} > ram
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/DISCARD/ :
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{
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*(.eh_frame)
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*(.comment)
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*(.gnu.attributes)
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}
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}
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PROVIDE(_stack_size = 0x00010000);
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PROVIDE(_stack_0 = ORIGIN(ram) + LENGTH(ram) - 8);
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PROVIDE(_stack_1 = _stack_0 - _stack_size);
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PROVIDE(_fdata_rom = LOADADDR(.data));
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PROVIDE(_edata_rom = LOADADDR(.data) + SIZEOF(.data));
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PROVIDE(_bios_start = LOADADDR(.bios));
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