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sybreonsybreon
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Added SRC
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‎src/Makefile‎

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#
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# Makefile for AEMB Software
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#
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# -Wl,-T -Wl,ld/linker.ld should be added to Lflags for implementation and omitted for simulation
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sim:
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riscv32-unknown-elf-objcopy -O srec rom.elf rom.srec
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srec_cat rom.srec -byte-swap 4 -fill 0xAE -within rom.srec -range-pad 4 -o dump.vmem -vmem 32
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clean:
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rm *.dump *.srec *.elf

‎src/link.ld‎

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OUTPUT_ARCH( "riscv" )
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ENTRY(_start)
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SECTIONS
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{
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. = 0x80000000;
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.text.init : { *(.text.init) }
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. = ALIGN(0x1000);
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.tohost : { *(.tohost) }
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. = ALIGN(0x1000);
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.text : { *(.text) }
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. = ALIGN(0x1000);
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.data : { *(.data) }
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.data.string : { *(.data.string)}
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.bss : { *(.bss) }
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_end = .;
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}
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‎src/shawn.ld‎

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/* Default linker script, for normal executables */
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/* Copyright (C) 2014-2018 Free Software Foundation, Inc.
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Copying and distribution of this script, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved. */
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OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv",
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"elf32-littleriscv")
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OUTPUT_ARCH(riscv)
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ENTRY(_start)
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SEARCH_DIR("/home/sybreon/riscv/riscv32-unknown-elf/lib");
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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PROVIDE (__executable_start = SEGMENT_START("text-segment", 0x0)); . = SEGMENT_START("text-segment", 0x0);
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PROVIDE_HIDDEN (__rela_iplt_end = .);
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/* These sections are generated by the Sun/Oracle C++ compiler. */
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PROVIDE_HIDDEN (__preinit_array_end = .);
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PROVIDE_HIDDEN (__init_array_end = .);
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PROVIDE_HIDDEN (__fini_array_end = .);
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.ctors :
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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}
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{
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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}
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.jcr : { KEEP (*(.jcr)) }
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.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
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.dynamic : { *(.dynamic) }
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. = DATA_SEGMENT_RELRO_END (0, .);
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SORT(CONSTRUCTORS)
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can access them all, and initialized data all before uninitialized, so
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{
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__global_pointer$ = . + 0x800;
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FIXME: Why do we need it? When there is no .bss section, we don't
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pad the .data section. */
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. = ALIGN(. != 0 ? 32 / 8 : 1);
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. = SEGMENT_START("ldata-segment", .);
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
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}

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