120 lines
3.2 KiB
Plaintext
120 lines
3.2 KiB
Plaintext
MEMORY {
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ROM (rx) : ORIGIN = 0x00000000, LENGTH = 0x00010000 /* 64kB ROM */
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FLASH (rx) : ORIGIN = 0x10000000, LENGTH = 0x00300000 /* 3MB flash */
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SRAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00100000 /* 1MB SRAM */
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}
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SECTIONS {
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.text :
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{
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_text = .;
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KEEP(*(.isr_vector))
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*(.text*) /* program code */
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*(.rodata*) /* read-only data: "const" */
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KEEP(*(.init))
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KEEP(*(.fini))
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/* .ctors */
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*crtbegin.o(.ctors)
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*crtbegin?.o(.ctors)
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*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
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*(SORT(.ctors.*))
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*(.ctors)
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/* .dtors */
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*crtbegin.o(.dtors)
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*crtbegin?.o(.dtors)
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*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
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*(SORT(.dtors.*))
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*(.dtors)
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/* C++ Exception handling */
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KEEP(*(.eh_frame*))
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_etext = .;
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} > FLASH
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.ARM.extab :
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{
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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} > FLASH
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/* it's used for C++ exception handling */
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/* we need to keep this to avoid overlapping */
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.ARM.exidx :
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{
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__exidx_start = .;
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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__exidx_end = .;
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} > FLASH
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.data :
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{
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_data = ALIGN(., 4);
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*(vtable)
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*(.data*) /*read-write initialized data: initialized global variable*/
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*(.spix_config*) /* SPIX configuration functions need to be run from SRAM */
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*(.flashprog*) /* Flash program */
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/* These array sections are used by __libc_init_array to call static C++ constructors */
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. = ALIGN(4);
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/* preinit data */
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP(*(.preinit_array))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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. = ALIGN(4);
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/* init data */
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP(*(SORT(.init_array.*)))
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KEEP(*(.init_array))
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PROVIDE_HIDDEN (__init_array_end = .);
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. = ALIGN(4);
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/* finit data */
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP(*(SORT(.fini_array.*)))
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KEEP(*(.fini_array))
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PROVIDE_HIDDEN (__fini_array_end = .);
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_edata = ALIGN(., 4);
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} > SRAM AT>FLASH
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__load_data = LOADADDR(.data);
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.bss :
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{
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. = ALIGN(4);
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_bss = .;
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*(.bss*) /*read-write zero initialized data: uninitialized global variable*/
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*(COMMON)
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_ebss = ALIGN(., 4);
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} > SRAM
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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(SRAM) + LENGTH(SRAM);
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__StackLimit = __StackTop - SIZEOF(.stack_dummy);
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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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{
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*(.stack*)
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} > SRAM
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.heap (COPY):
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{
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. = ALIGN(4);
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PROVIDE ( end = . );
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PROVIDE ( _end = . );
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*(.heap*)
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__HeapLimit = ABSOLUTE(__StackLimit);
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} > SRAM
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PROVIDE(__stack = __StackTop);
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/* Check if data + heap + stack exceeds RAM limit */
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ASSERT(__StackLimit >= _ebss, "region RAM overflowed with stack")
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}
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