添加后板sdk更改,裁剪文件系统和kernel
This commit is contained in:
lijunliang
291
lichee/melis-v3.0/source/projects/v851-e907-sl100_back-board/kernel.lds
Executable file
291
lichee/melis-v3.0/source/projects/v851-e907-sl100_back-board/kernel.lds
Executable file
@@ -0,0 +1,291 @@
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/*
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* The OUTPUT_ARCH command specifies the machine architecture where the
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* argument is one of the names used in the T-HEAD library.
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*/
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OUTPUT_ARCH("riscv")
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OUTPUT_FORMAT("elf32-littleriscv","elf64-littleriscv","elf32-littleriscv")
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MEMORY
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{
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/*DRAM_KERNEL: 4M */
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DRAM_SEG_KRN (rwx) : ORIGIN = 0x43c00000, LENGTH = 0x00400000
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}
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PHDRS
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{
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sbi PT_LOAD FLAGS(5); /* PF_R|PF_X */
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boot PT_LOAD FLAGS(5); /* PF_R|PF_X */
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text PT_LOAD FLAGS(5); /* PF_R|PF_X */
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rodata PT_LOAD FLAGS(4); /* PF_R */
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data PT_LOAD FLAGS(6); /* PF_R|PF_W */
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note PT_NOTE FLAGS(4); /* PF_R */
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debug PT_NOTE FLAGS(0); /* PF_R */
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}
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/* This area could be used for idle thead at last.*/
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__STACKSIZE__ = 4096;
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/* Get Kernel Running Address */
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__DRAM_KRN_RUN_ADDRESS = ORIGIN(DRAM_SEG_KRN);
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/* 0x9002 is insn "ebreak". */
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ENTRY(_start)
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SECTIONS
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{
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. = __DRAM_KRN_RUN_ADDRESS;
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PROVIDE(_firmware_start = .);
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.head.text __DRAM_KRN_RUN_ADDRESS : AT(__DRAM_KRN_RUN_ADDRESS)
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{
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. = ALIGN(8);
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KEEP(*(.start))
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. = ALIGN(8);
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} > DRAM_SEG_KRN :boot =0x9002
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.dram_seg.text ADDR(.head.text) + SIZEOF(.head.text) : AT(LOADADDR(.head.text) + SIZEOF(.head.text))
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{
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. = ALIGN(8);
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PROVIDE(__code_start = ABSOLUTE(.));
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*(.init)
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*(.text)
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*(.text.*)
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*(.text*)
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*(.stub)
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*(.eh_frame_hdr)
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*(.eh_frame_entry)
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*(.gnu.warning)
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*(.gnu.linkonce.t*)
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*(.glue_7)
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*(.glue_7t)
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*(.gcc_except_table)
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*(.jcr)
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*(.fini)
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*(.reuse)
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KEEP(*(.eh_frame))
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. = ALIGN(8);
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PROVIDE(__code_end = ABSOLUTE(.));
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} > DRAM_SEG_KRN :text =0x9002
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PROVIDE(__readonly_area_start = .);
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.dram_seg.rodata ADDR(.dram_seg.text) + SIZEOF(.dram_seg.text) : AT(LOADADDR(.dram_seg.text) + SIZEOF(.dram_seg.text))
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{
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. = ALIGN(8);
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*(.rodata)
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*(.rodata.*)
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*(.rodata*)
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*(.srodata)
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*(.srodata.*)
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*(.srodata*)
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*(.gnu.linkonce.r*)
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*(.rel.dyn*)
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*(.flash)
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KEEP(*.o(.openocd_support))
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KEEP(*.o(.ramdisk))
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KEEP(*.o(.dtbcfgs))
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. = ALIGN(8);
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} > DRAM_SEG_KRN :rodata =0x9002
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.dram_seg.initcall ADDR(.dram_seg.rodata) + SIZEOF(.dram_seg.rodata) : AT(LOADADDR(.dram_seg.rodata) + SIZEOF(.dram_seg.rodata))
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{
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. = ALIGN(8);
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__initcall_start = .;
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KEEP(*(.initcallearly.init))
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__initcall0_start = .;
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KEEP(*(.initcall0.init))
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KEEP(*(.initcall0s.init))
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__initcall1_start = .;
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KEEP(*(.initcall1.init))
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KEEP(*(.initcall1s.init))
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__initcall2_start = .;
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KEEP(*(.initcall2.init))
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KEEP(*(.initcall2s.init))
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__initcall3_start = .;
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KEEP(*(.initcall3.init))
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KEEP(*(.initcall3s.init))
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__initcall4_start = .;
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KEEP(*(.initcall4.init))
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KEEP(*(.initcall4s.init))
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__initcall5_start = .;
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KEEP(*(.initcall5.init))
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KEEP(*(.initcall5s.init))
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__initcallrootfs_start = .;
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KEEP(*(.initcallrootfs.init))
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KEEP(*(.initcallrootfss.init))
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__initcall6_start = .;
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KEEP(*(.initcall6.init))
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KEEP(*(.initcall6s.init))
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__initcall7_start = .;
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KEEP(*(.initcall7.init))
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KEEP(*(.initcall7s.init))
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__initcall_end = .;
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__con_initcall_start = .;
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KEEP(*(.con_initcall.init))
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__con_initcall_end = .;
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. = ALIGN(8);
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} > DRAM_SEG_KRN :rodata =0x9002
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.note.gnu.build-id ADDR(.dram_seg.initcall) + SIZEOF(.dram_seg.initcall) : AT(LOADADDR(.dram_seg.initcall) + SIZEOF(.dram_seg.initcall))
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{
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. = ALIGN(8);
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*(.note.gnu.build-id)
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. = ALIGN(8);
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} > DRAM_SEG_KRN :rodata =0x9002
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.dram_seg.ctors ADDR(.note.gnu.build-id) + SIZEOF(.note.gnu.build-id) : AT(LOADADDR(.note.gnu.build-id) + SIZEOF(.note.gnu.build-id))
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{
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. = ALIGN(8);
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PROVIDE(__ctors_start__ = .);
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KEEP(*(SORT(.ctors.*)))
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KEEP(*(SORT(.ctors)))
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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PROVIDE(__ctors_end__ = .);
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. = ALIGN(0x8);
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} > DRAM_SEG_KRN :rodata =0x9002
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.dram_seg.dtors ADDR(.dram_seg.ctors) + SIZEOF(.dram_seg.ctors) : AT(LOADADDR(.dram_seg.ctors) + SIZEOF(.dram_seg.ctors))
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{
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. = ALIGN(8);
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PROVIDE(__dtors_start__ = .);
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KEEP(*(SORT(.dtors.*)))
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KEEP(*(SORT(.dtors)))
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KEEP (*(SORT(.fini_array.*)))
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KEEP (*(.fini_array))
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PROVIDE(__dtors_end__ = .);
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. = ALIGN(0x8);
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} > DRAM_SEG_KRN :rodata =0x9002
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PROVIDE(__readonly_area_end = .);
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.dram_seg.data ADDR(.dram_seg.dtors) + SIZEOF(.dram_seg.dtors) : AT(LOADADDR(.dram_seg.dtors) + SIZEOF(.dram_seg.dtors))
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{
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. = ALIGN(8);
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KEEP(*(*.vectors*))
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*(.data)
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*(.data.*)
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*(.readmostly.data)
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*(.data1)
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*(.data1.*)
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/*Best in the middle of data/sdata area.*/
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PROVIDE( __global_pointer$ = . + 0x400);
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__tdata_start = .;
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*(.tdata)
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*(.tdata.*)
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*(.gnu.linkonce.td.*)
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__tdata_end = .;
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*(.gnu.linkonce.d.*)
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*(.sdata)
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*(.sdata.*)
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*(.sdata*)
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*(.gnu.linkonce.s.*)
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*(.sdata2)
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*(.sdata2.*)
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*(.gnu.linkonce.s2.*)
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*(.got.plt)
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*(.got)
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. = ALIGN(8);
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__fsymtab_start = .;
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KEEP(*(FSymTab))
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__fsymtab_end = .;
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. = ALIGN(8);
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. = ALIGN(8);
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__vsymtab_start = .;
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KEEP(*(VSymTab))
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__vsymtab_end = .;
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. = ALIGN(8);
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} > DRAM_SEG_KRN :data =0x9002
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.resource_table ADDR(.dram_seg.data) + SIZEOF(.dram_seg.data) : AT(LOADADDR(.dram_seg.data) + SIZEOF(.dram_seg.data))
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{
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KEEP(*(.resource_table))
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} > DRAM_SEG_KRN :data
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.share_irq_table ADDR(.resource_table) + SIZEOF(.resource_table) : AT(LOADADDR(.resource_table) + SIZEOF(.resource_table))
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{
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KEEP(*(.share_irq_table))
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} > DRAM_SEG_KRN :data
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/* stack for bringup process */
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.dram_seg.stack ADDR(.share_irq_table) + SIZEOF(.share_irq_table) : AT(LOADADDR(.share_irq_table) + SIZEOF(.share_irq_table))
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{
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. = ALIGN(8);
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__init_process_stack_start__ = .;
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. += __STACKSIZE__;
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__init_process_stack_end__ = .;
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. = ALIGN(8);
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} > DRAM_SEG_KRN :data
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.dram_seg.bss ADDR(.dram_seg.stack) + SIZEOF(.dram_seg.stack) + SIZEOF(.dram_seg.stack) (NOLOAD) :
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{
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. = ALIGN(8);
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*(.bss)
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*(.bss.*)
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*(.gnu.linkonce.b.*)
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*(.sbss)
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*(.sbss.*)
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*(.sbss*)
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*(.gnu.linkonce.sb.*)
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*(.sbss2)
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*(.sbss2.*)
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*(.gnu.linkonce.sb2.*)
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*(.scommon)
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*(.dynbss)
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*(COMMON)
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. = ALIGN(8);
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__tbss_start = .;
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*(.tbss)
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*(.tbss.*)
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*(.gnu.linkonce.tb.*)
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. = ALIGN(8);
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__tbss_end = .;
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} > DRAM_SEG_KRN :data
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PROVIDE(__bss_start = ADDR(.dram_seg.bss));
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PROVIDE(__bss_end = ABSOLUTE(.));
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PROVIDE(_end = ABSOLUTE(.));
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PROVIDE(_firmware_end = .);
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.note 0 : { *(.note) } :note
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.stab 0 : { *(.stab) } :note
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.stabstr 0 : { *(.stabstr) } :note
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.stab.excl 0 : { *(.stab.excl) } :note
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.stab.exclstr 0 : { *(.stab.exclstr) } :note
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.stab.index 0 : { *(.stab.index) } :note
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.stab.indexstr 0 : { *(.stab.indexstr) } :note
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.reginfo 0 : { *(.reginfo) } :note
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.comment 0 : { *(.comment) } :note
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.mdebug 0 : { *(.mdebug) } :note
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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/* DWARF 3 */
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.debug_pubtypes 0 : { *(.debug_pubtypes) }
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.debug_ranges 0 : { *(.debug_ranges) }
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.riscv.attributes 0 : { KEEP (*(.riscv.attributes)) KEEP (*(.gnu.attributes)) }
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/DISCARD/ : { *(.note.GNU-stack) }
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}
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