88 lines
2.2 KiB
Plaintext
88 lines
2.2 KiB
Plaintext
/* Ref: https://github.com/luojia65/rustsbi/blob/master/platform/qemu/link-qemu.ld */
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MEMORY {
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/* 存储单元的物理地址 */
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SRAM : ORIGIN = 0x80000000, LENGTH = 2M
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}
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PROVIDE(_stext = 0x80000000);
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PROVIDE(_heap_size = 128K);
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PROVIDE(_hart_stack_size = 64K);
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PROVIDE(_max_hart_id = 7); /* todo */
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REGION_ALIAS("REGION_TEXT", SRAM);
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REGION_ALIAS("REGION_RODATA", SRAM);
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REGION_ALIAS("REGION_DATA", SRAM);
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REGION_ALIAS("REGION_BSS", SRAM);
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REGION_ALIAS("REGION_HEAP", SRAM);
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REGION_ALIAS("REGION_STACK", SRAM);
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OUTPUT_ARCH(riscv)
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ENTRY(_start)
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PROVIDE(_stack_start = ORIGIN(REGION_STACK) + LENGTH(REGION_STACK));
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SECTIONS
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{
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/* .text 字段 */
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.text _stext : {
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/* 把 entry 函数放在最前面 */
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*(.text.entry)
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/* 要链接的文件的 .text 字段集中放在这里 */
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*(.text .text.*)
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_etext = .;
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} > REGION_TEXT
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/* .rodata 字段 */
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.rodata : ALIGN(4) {
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_srodata = .;
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/* 要链接的文件的 .rodata 字段集中放在这里 */
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*(.rodata .rodata.*)
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. = ALIGN(4);
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_erodata = .;
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} > REGION_RODATA
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/* .data 字段 */
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.data : ALIGN(4) {
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_sidata = LOADADDR(.data);
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_sdata = .;
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/* Must be called __global_pointer$ for linker relaxations to work. */
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PROVIDE(__global_pointer$ = . + 0x800);
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/* 要链接的文件的 .data 字段集中放在这里 */
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*(.sdata .sdata.* .sdata2 .sdata2.*);
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*(.data .data.*)
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. = ALIGN(4);
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_edata = .;
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} > REGION_DATA
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/* .bss 字段 */
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.bss (NOLOAD) : {
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_sbss = .;
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/* 要链接的文件的 .bss 字段集中放在这里 */
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*(.sbss .bss .bss.*)
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. = ALIGN(4);
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_ebss = .;
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} > REGION_BSS
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.heap (NOLOAD) : {
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_sheap = .;
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. += _heap_size;
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. = ALIGN(4);
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_eheap = .;
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} > REGION_HEAP
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/* fictitious region that represents the memory available for the stack */
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.stack (NOLOAD) : {
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_estack = .;
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. = _stack_start;
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. = ALIGN(4);
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_sstack = .;
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} > REGION_STACK
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/* Discard .eh_frame, we are not doing unwind on panic so it is not needed */
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/DISCARD/ :
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{
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*(.eh_frame .eh_frame_hdr);
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}
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}
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