| Line 44... |
Line 44... |
OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv", "elf32-littleriscv")
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OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv", "elf32-littleriscv")
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OUTPUT_ARCH(riscv)
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OUTPUT_ARCH(riscv)
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ENTRY(_start)
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ENTRY(_start)
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SEARCH_DIR("/opt/riscv/riscv32-unknown-elf/lib"); SEARCH_DIR("=/opt/riscv/riscv64-unknown-linux-gnu/lib"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib");
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SEARCH_DIR("/opt/riscv/riscv32-unknown-elf/lib"); SEARCH_DIR("=/opt/riscv/riscv64-unknown-linux-gnu/lib"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib");
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/* ************************************************************************* */
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/* ************************************************************************** */
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/* NEORV32 memory configuration. */
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/* NEORV32 memory section configuration. */
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/* Make sure this is sync with your processor/memory hardware configuration! */
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/* ************************************************************************** */
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/* ************************************************************************* */
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/* "ram" : data memory (int/ext DMEM) - make sure this is sync with the HW! */
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/* "rom" : instruction memory (IMEM) / bootloader ROM */
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/* "rom" : instruction memory (int/ext IMEM or bootloader ROM) */
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/* "ram" : data memory (DMEM) */
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/* "iodev" : peripheral/IO devices */
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/* "iodev" : peripheral/IO devices (not used here; passed to crt0) */
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/* ************************************************************************** */
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/* ************************************************************************* */
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MEMORY
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MEMORY
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{
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{
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/* "rom" section: first value of ORIGIN/LENGTH => bootloader ROM; second value of ORIGIN/LENGTH => instruction memory */
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/* section base addresses and sizes have to be a multiple of 4-bytes */
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/* ram section: first value of LENGTH => data memory used by bootloader (fixed!); second value of LENGTH => *physical* size of data memory */
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/* adapt the right-most value to match the *total physical data memory size* of your setup */
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rom (rx) : ORIGIN = DEFINED(make_bootloader) ? 0xFFFF0000 : 0x00000000, LENGTH = DEFINED(make_bootloader) ? 4*1024 : 16*1024
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ram (rwx) : ORIGIN = 0x80000000, LENGTH = DEFINED(make_bootloader) ? 512 : 8*1024
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ram (rwx) : ORIGIN = 0x80000000, LENGTH = 8*1024
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|
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/* rom and iodev sections should NOT be modified by the user at all! */
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/* rom section: first value of ORIGIN/LENGTH => bootloader ROM; second value of ORIGIN/LENGTH => maximum *logical* size of instruction memory */
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|
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rom (rx) : ORIGIN = DEFINED(make_bootloader) ? 0xFFFF0000 : 0x00000000, LENGTH = DEFINED(make_bootloader) ? 32K : 2048M
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iodev (rw) : ORIGIN = 0xFFFFFE00, LENGTH = 512
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iodev (rw) : ORIGIN = 0xFFFFFE00, LENGTH = 512
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|
|
}
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}
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/* ************************************************************************* */
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/* ************************************************************************* */
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|
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SECTIONS
|
SECTIONS
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{
|
{
|
/* stack pointer init: last 32-bit entry in data memory */
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|
__crt0_stack_begin = (ORIGIN(ram) + LENGTH(ram)) - 4;
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|
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/* start section on WORD boundary */
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/* start section on WORD boundary */
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. = ALIGN(4);
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. = ALIGN(4);
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|
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.interp : { *(.interp) }
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.interp : { *(.interp) }
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.note.gnu.build-id : { *(.note.gnu.build-id) }
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.note.gnu.build-id : { *(.note.gnu.build-id) }
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| Line 289... |
Line 291... |
.debug_addr 0 : { *(.debug_addr) }
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.debug_addr 0 : { *(.debug_addr) }
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.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
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.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
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|
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/* Provide further symbols for neorv32 crt0 */
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/* Provide symbols for neorv32 crt0 start-up code */
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PROVIDE(__crt0_stack_begin = (ORIGIN(ram) + LENGTH(ram)) - 4);
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PROVIDE(__crt0_bss_start = __bss_start);
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PROVIDE(__crt0_bss_start = __bss_start);
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PROVIDE(__crt0_bss_end = __BSS_END__);
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PROVIDE(__crt0_bss_end = __BSS_END__);
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PROVIDE(__crt0_copy_data_src_begin = __etext + SIZEOF(.rodata));
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PROVIDE(__crt0_copy_data_src_begin = __etext + SIZEOF(.rodata));
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PROVIDE(__crt0_copy_data_dst_begin = __DATA_BEGIN__);
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PROVIDE(__crt0_copy_data_dst_begin = __DATA_BEGIN__);
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PROVIDE(__crt0_copy_data_dst_end = __DATA_BEGIN__ + SIZEOF(.data));
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PROVIDE(__crt0_copy_data_dst_end = __DATA_BEGIN__ + SIZEOF(.data));
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