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https://gitea.tendokyu.moe/tasoller/host-aprom.git
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80 lines
1.6 KiB
Plaintext
80 lines
1.6 KiB
Plaintext
/* Linker script to configure memory regions. */
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MEMORY {
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FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x10000 /* 64k */
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RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x5000 /* 20k */
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}
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/* Library configurations */
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GROUP(libgcc.a libc.a libm.a libnosys.a)
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/**
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* Used for loading .data into memory:
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* __etext
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* __data_start__
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* __data_end__
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* Used for zeroing .bss:
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* __bss_start__
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* __bss_end__
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* Used for stack setup:
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* __StackLimit
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* __StackTop
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* Used for heap setup:
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* __HeapBase
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* __HeapLimit
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*/
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ENTRY(Reset_Handler)
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SECTIONS {
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.text : {
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KEEP(*(.vectors))
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KEEP(*(.compile_timestamp))
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. = ALIGN(16);
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/* KEEP(*(.init)) */
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/* KEEP(*(.text._entry)) */
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*(.text*)
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*(.rodata*)
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} > FLASH
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. = ALIGN(4);
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__etext = .;
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.data : AT (__etext) {
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. = ALIGN(4);
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__data_start__ = .;
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*(.data*)
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. = ALIGN(4);
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__data_end__ = .;
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} > RAM
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.bss : {
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. = ALIGN(4);
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__bss_start__ = .;
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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__bss_end__ = .;
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} > RAM
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.heap (COPY): {
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__HeapBase = .;
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KEEP(*(.heap*))
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__HeapLimit = .;
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} > RAM
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/* .stack_dummy section doesn't contains any symbols. It is only
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* used for linker to calculate size of stack sections, and assign
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* values to stack symbols later */
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.stack_dummy (COPY): {
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KEEP(*(.stack*))
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} > RAM
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/* Set stack top to end of RAM, and stack limit move down by
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* size of stack_dummy section */
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__StackTop = ORIGIN(RAM) + LENGTH(RAM);
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__StackLimit = __StackTop - SIZEOF(.stack_dummy);
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/* Check if data + heap + stack exceeds RAM limit */
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ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
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}
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