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Initial commit of register defines, CMSIS code from Nuvoton BSP
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/* Linker script to configure memory regions. */ | ||
MEMORY | ||
{ | ||
FLASH (rx) : ORIGIN = 0x00100000, LENGTH = 0x1000 /* 4K */ | ||
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x2000 /* 8K */ | ||
} | ||
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/* Library configurations */ | ||
GROUP(libgcc.a libc.a libm.a libnosys.a) | ||
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/* Linker script to place sections and symbol values. Should be used together | ||
* with other linker script that defines memory regions FLASH and RAM. | ||
* It references following symbols, which must be defined in code: | ||
* Reset_Handler : Entry of reset handler | ||
* | ||
* It defines following symbols, which code can use without definition: | ||
* __exidx_start | ||
* __exidx_end | ||
* __copy_table_start__ | ||
* __copy_table_end__ | ||
* __zero_table_start__ | ||
* __zero_table_end__ | ||
* __etext | ||
* __data_start__ | ||
* __preinit_array_start | ||
* __preinit_array_end | ||
* __init_array_start | ||
* __init_array_end | ||
* __fini_array_start | ||
* __fini_array_end | ||
* __data_end__ | ||
* __bss_start__ | ||
* __bss_end__ | ||
* __end__ | ||
* end | ||
* __HeapLimit | ||
* __StackLimit | ||
* __StackTop | ||
* __stack | ||
* __Vectors_End | ||
* __Vectors_Size | ||
*/ | ||
ENTRY(Reset_Handler) | ||
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SECTIONS | ||
{ | ||
.text : | ||
{ | ||
KEEP(*(.vectors)) | ||
__Vectors_End = .; | ||
__Vectors_Size = __Vectors_End - __Vectors; | ||
__end__ = .; | ||
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*(.text*) | ||
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KEEP(*(.init)) | ||
KEEP(*(.fini)) | ||
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/* .ctors */ | ||
*crtbegin.o(.ctors) | ||
*crtbegin?.o(.ctors) | ||
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) | ||
*(SORT(.ctors.*)) | ||
*(.ctors) | ||
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/* .dtors */ | ||
*crtbegin.o(.dtors) | ||
*crtbegin?.o(.dtors) | ||
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) | ||
*(SORT(.dtors.*)) | ||
*(.dtors) | ||
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*(.rodata*) | ||
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KEEP(*(.eh_frame*)) | ||
} > FLASH | ||
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.ARM.extab : | ||
{ | ||
*(.ARM.extab* .gnu.linkonce.armextab.*) | ||
} > FLASH | ||
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__exidx_start = .; | ||
.ARM.exidx : | ||
{ | ||
*(.ARM.exidx* .gnu.linkonce.armexidx.*) | ||
} > FLASH | ||
__exidx_end = .; | ||
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/* To copy multiple ROM to RAM sections, | ||
* uncomment .copy.table section and, | ||
* define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */ | ||
/* | ||
.copy.table : | ||
{ | ||
. = ALIGN(4); | ||
__copy_table_start__ = .; | ||
LONG (__etext) | ||
LONG (__data_start__) | ||
LONG (__data_end__ - __data_start__) | ||
LONG (__etext2) | ||
LONG (__data2_start__) | ||
LONG (__data2_end__ - __data2_start__) | ||
__copy_table_end__ = .; | ||
} > FLASH | ||
*/ | ||
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/* To clear multiple BSS sections, | ||
* uncomment .zero.table section and, | ||
* define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */ | ||
/* | ||
.zero.table : | ||
{ | ||
. = ALIGN(4); | ||
__zero_table_start__ = .; | ||
LONG (__bss_start__) | ||
LONG (__bss_end__ - __bss_start__) | ||
LONG (__bss2_start__) | ||
LONG (__bss2_end__ - __bss2_start__) | ||
__zero_table_end__ = .; | ||
} > FLASH | ||
*/ | ||
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__etext = .; | ||
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.data : AT (__etext) | ||
{ | ||
__data_start__ = .; | ||
*(vtable) | ||
*(.data*) | ||
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. = ALIGN(4); | ||
/* preinit data */ | ||
PROVIDE_HIDDEN (__preinit_array_start = .); | ||
KEEP(*(.preinit_array)) | ||
PROVIDE_HIDDEN (__preinit_array_end = .); | ||
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. = ALIGN(4); | ||
/* init data */ | ||
PROVIDE_HIDDEN (__init_array_start = .); | ||
KEEP(*(SORT(.init_array.*))) | ||
KEEP(*(.init_array)) | ||
PROVIDE_HIDDEN (__init_array_end = .); | ||
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. = ALIGN(4); | ||
/* finit data */ | ||
PROVIDE_HIDDEN (__fini_array_start = .); | ||
KEEP(*(SORT(.fini_array.*))) | ||
KEEP(*(.fini_array)) | ||
PROVIDE_HIDDEN (__fini_array_end = .); | ||
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KEEP(*(.jcr*)) | ||
. = ALIGN(4); | ||
/* All data end */ | ||
__data_end__ = .; | ||
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} > RAM | ||
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.bss : | ||
{ | ||
. = ALIGN(4); | ||
__bss_start__ = .; | ||
*(.bss*) | ||
*(COMMON) | ||
. = ALIGN(4); | ||
__bss_end__ = .; | ||
} > RAM | ||
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.heap (COPY): | ||
{ | ||
__HeapBase = .; | ||
__end__ = .; | ||
end = __end__; | ||
KEEP(*(.heap*)) | ||
__HeapLimit = .; | ||
} > RAM | ||
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/* .stack_dummy section doesn't contains any symbols. It is only | ||
* used for linker to calculate size of stack sections, and assign | ||
* values to stack symbols later */ | ||
.stack_dummy (COPY): | ||
{ | ||
KEEP(*(.stack*)) | ||
} > RAM | ||
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/* Set stack top to end of RAM, and stack limit move down by | ||
* size of stack_dummy section */ | ||
__StackTop = ORIGIN(RAM) + LENGTH(RAM); | ||
__StackLimit = __StackTop - SIZEOF(.stack_dummy); | ||
PROVIDE(__stack = __StackTop); | ||
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/* Check if data + heap + stack exceeds RAM limit */ | ||
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") | ||
} |
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