fix LPC812 PWM
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targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/STM32F334X8.ld@129:2e517c56bcfb, 2016-05-16 (annotated)
- Committer:
- nameless129
- Date:
- Mon May 16 16:50:30 2016 +0000
- Revision:
- 129:2e517c56bcfb
- Parent:
- 0:9b334a45a8ff
PWM Fix:Duty 0%??H???????????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /* Linker script to configure memory regions. */ |
bogdanm | 0:9b334a45a8ff | 2 | MEMORY |
bogdanm | 0:9b334a45a8ff | 3 | { |
bogdanm | 0:9b334a45a8ff | 4 | FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K |
bogdanm | 0:9b334a45a8ff | 5 | CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 4K |
bogdanm | 0:9b334a45a8ff | 6 | RAM (xrw) : ORIGIN = 0x20000188, LENGTH = 12K - 0x0188 |
bogdanm | 0:9b334a45a8ff | 7 | } |
bogdanm | 0:9b334a45a8ff | 8 | |
bogdanm | 0:9b334a45a8ff | 9 | /* Linker script to place sections and symbol values. Should be used together |
bogdanm | 0:9b334a45a8ff | 10 | * with other linker script that defines memory regions FLASH and RAM. |
bogdanm | 0:9b334a45a8ff | 11 | * It references following symbols, which must be defined in code: |
bogdanm | 0:9b334a45a8ff | 12 | * Reset_Handler : Entry of reset handler |
bogdanm | 0:9b334a45a8ff | 13 | * |
bogdanm | 0:9b334a45a8ff | 14 | * It defines following symbols, which code can use without definition: |
bogdanm | 0:9b334a45a8ff | 15 | * __exidx_start |
bogdanm | 0:9b334a45a8ff | 16 | * __exidx_end |
bogdanm | 0:9b334a45a8ff | 17 | * __etext |
bogdanm | 0:9b334a45a8ff | 18 | * __data_start__ |
bogdanm | 0:9b334a45a8ff | 19 | * __preinit_array_start |
bogdanm | 0:9b334a45a8ff | 20 | * __preinit_array_end |
bogdanm | 0:9b334a45a8ff | 21 | * __init_array_start |
bogdanm | 0:9b334a45a8ff | 22 | * __init_array_end |
bogdanm | 0:9b334a45a8ff | 23 | * __fini_array_start |
bogdanm | 0:9b334a45a8ff | 24 | * __fini_array_end |
bogdanm | 0:9b334a45a8ff | 25 | * __data_end__ |
bogdanm | 0:9b334a45a8ff | 26 | * __bss_start__ |
bogdanm | 0:9b334a45a8ff | 27 | * __bss_end__ |
bogdanm | 0:9b334a45a8ff | 28 | * __end__ |
bogdanm | 0:9b334a45a8ff | 29 | * end |
bogdanm | 0:9b334a45a8ff | 30 | * __HeapLimit |
bogdanm | 0:9b334a45a8ff | 31 | * __StackLimit |
bogdanm | 0:9b334a45a8ff | 32 | * __StackTop |
bogdanm | 0:9b334a45a8ff | 33 | * __stack |
bogdanm | 0:9b334a45a8ff | 34 | * _estack |
bogdanm | 0:9b334a45a8ff | 35 | */ |
bogdanm | 0:9b334a45a8ff | 36 | ENTRY(Reset_Handler) |
bogdanm | 0:9b334a45a8ff | 37 | |
bogdanm | 0:9b334a45a8ff | 38 | SECTIONS |
bogdanm | 0:9b334a45a8ff | 39 | { |
bogdanm | 0:9b334a45a8ff | 40 | .text : |
bogdanm | 0:9b334a45a8ff | 41 | { |
bogdanm | 0:9b334a45a8ff | 42 | KEEP(*(.isr_vector)) |
bogdanm | 0:9b334a45a8ff | 43 | *(.text*) |
bogdanm | 0:9b334a45a8ff | 44 | KEEP(*(.init)) |
bogdanm | 0:9b334a45a8ff | 45 | KEEP(*(.fini)) |
bogdanm | 0:9b334a45a8ff | 46 | |
bogdanm | 0:9b334a45a8ff | 47 | /* .ctors */ |
bogdanm | 0:9b334a45a8ff | 48 | *crtbegin.o(.ctors) |
bogdanm | 0:9b334a45a8ff | 49 | *crtbegin?.o(.ctors) |
bogdanm | 0:9b334a45a8ff | 50 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) |
bogdanm | 0:9b334a45a8ff | 51 | *(SORT(.ctors.*)) |
bogdanm | 0:9b334a45a8ff | 52 | *(.ctors) |
bogdanm | 0:9b334a45a8ff | 53 | |
bogdanm | 0:9b334a45a8ff | 54 | /* .dtors */ |
bogdanm | 0:9b334a45a8ff | 55 | *crtbegin.o(.dtors) |
bogdanm | 0:9b334a45a8ff | 56 | *crtbegin?.o(.dtors) |
bogdanm | 0:9b334a45a8ff | 57 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) |
bogdanm | 0:9b334a45a8ff | 58 | *(SORT(.dtors.*)) |
bogdanm | 0:9b334a45a8ff | 59 | *(.dtors) |
bogdanm | 0:9b334a45a8ff | 60 | |
bogdanm | 0:9b334a45a8ff | 61 | *(.rodata*) |
bogdanm | 0:9b334a45a8ff | 62 | |
bogdanm | 0:9b334a45a8ff | 63 | KEEP(*(.eh_frame*)) |
bogdanm | 0:9b334a45a8ff | 64 | } > FLASH |
bogdanm | 0:9b334a45a8ff | 65 | |
bogdanm | 0:9b334a45a8ff | 66 | .ARM.extab : |
bogdanm | 0:9b334a45a8ff | 67 | { |
bogdanm | 0:9b334a45a8ff | 68 | *(.ARM.extab* .gnu.linkonce.armextab.*) |
bogdanm | 0:9b334a45a8ff | 69 | } > FLASH |
bogdanm | 0:9b334a45a8ff | 70 | |
bogdanm | 0:9b334a45a8ff | 71 | __exidx_start = .; |
bogdanm | 0:9b334a45a8ff | 72 | .ARM.exidx : |
bogdanm | 0:9b334a45a8ff | 73 | { |
bogdanm | 0:9b334a45a8ff | 74 | *(.ARM.exidx* .gnu.linkonce.armexidx.*) |
bogdanm | 0:9b334a45a8ff | 75 | } > FLASH |
bogdanm | 0:9b334a45a8ff | 76 | __exidx_end = .; |
bogdanm | 0:9b334a45a8ff | 77 | |
bogdanm | 0:9b334a45a8ff | 78 | __etext = .; |
bogdanm | 0:9b334a45a8ff | 79 | _sidata = .; |
bogdanm | 0:9b334a45a8ff | 80 | |
bogdanm | 0:9b334a45a8ff | 81 | .data : AT (__etext) |
bogdanm | 0:9b334a45a8ff | 82 | { |
bogdanm | 0:9b334a45a8ff | 83 | __data_start__ = .; |
bogdanm | 0:9b334a45a8ff | 84 | _sdata = .; |
bogdanm | 0:9b334a45a8ff | 85 | *(vtable) |
bogdanm | 0:9b334a45a8ff | 86 | *(.data*) |
bogdanm | 0:9b334a45a8ff | 87 | |
bogdanm | 0:9b334a45a8ff | 88 | . = ALIGN(4); |
bogdanm | 0:9b334a45a8ff | 89 | /* preinit data */ |
bogdanm | 0:9b334a45a8ff | 90 | PROVIDE_HIDDEN (__preinit_array_start = .); |
bogdanm | 0:9b334a45a8ff | 91 | KEEP(*(.preinit_array)) |
bogdanm | 0:9b334a45a8ff | 92 | PROVIDE_HIDDEN (__preinit_array_end = .); |
bogdanm | 0:9b334a45a8ff | 93 | |
bogdanm | 0:9b334a45a8ff | 94 | . = ALIGN(4); |
bogdanm | 0:9b334a45a8ff | 95 | /* init data */ |
bogdanm | 0:9b334a45a8ff | 96 | PROVIDE_HIDDEN (__init_array_start = .); |
bogdanm | 0:9b334a45a8ff | 97 | KEEP(*(SORT(.init_array.*))) |
bogdanm | 0:9b334a45a8ff | 98 | KEEP(*(.init_array)) |
bogdanm | 0:9b334a45a8ff | 99 | PROVIDE_HIDDEN (__init_array_end = .); |
bogdanm | 0:9b334a45a8ff | 100 | |
bogdanm | 0:9b334a45a8ff | 101 | |
bogdanm | 0:9b334a45a8ff | 102 | . = ALIGN(4); |
bogdanm | 0:9b334a45a8ff | 103 | /* finit data */ |
bogdanm | 0:9b334a45a8ff | 104 | PROVIDE_HIDDEN (__fini_array_start = .); |
bogdanm | 0:9b334a45a8ff | 105 | KEEP(*(SORT(.fini_array.*))) |
bogdanm | 0:9b334a45a8ff | 106 | KEEP(*(.fini_array)) |
bogdanm | 0:9b334a45a8ff | 107 | PROVIDE_HIDDEN (__fini_array_end = .); |
bogdanm | 0:9b334a45a8ff | 108 | |
bogdanm | 0:9b334a45a8ff | 109 | KEEP(*(.jcr*)) |
bogdanm | 0:9b334a45a8ff | 110 | . = ALIGN(4); |
bogdanm | 0:9b334a45a8ff | 111 | /* All data end */ |
bogdanm | 0:9b334a45a8ff | 112 | __data_end__ = .; |
bogdanm | 0:9b334a45a8ff | 113 | _edata = .; |
bogdanm | 0:9b334a45a8ff | 114 | |
bogdanm | 0:9b334a45a8ff | 115 | } > RAM |
bogdanm | 0:9b334a45a8ff | 116 | |
bogdanm | 0:9b334a45a8ff | 117 | .bss : |
bogdanm | 0:9b334a45a8ff | 118 | { |
bogdanm | 0:9b334a45a8ff | 119 | . = ALIGN(4); |
bogdanm | 0:9b334a45a8ff | 120 | __bss_start__ = .; |
bogdanm | 0:9b334a45a8ff | 121 | _sbss = .; |
bogdanm | 0:9b334a45a8ff | 122 | *(.bss*) |
bogdanm | 0:9b334a45a8ff | 123 | *(COMMON) |
bogdanm | 0:9b334a45a8ff | 124 | . = ALIGN(4); |
bogdanm | 0:9b334a45a8ff | 125 | __bss_end__ = .; |
bogdanm | 0:9b334a45a8ff | 126 | _ebss = .; |
bogdanm | 0:9b334a45a8ff | 127 | } > RAM |
bogdanm | 0:9b334a45a8ff | 128 | |
bogdanm | 0:9b334a45a8ff | 129 | .heap (COPY): |
bogdanm | 0:9b334a45a8ff | 130 | { |
bogdanm | 0:9b334a45a8ff | 131 | __end__ = .; |
bogdanm | 0:9b334a45a8ff | 132 | end = __end__; |
bogdanm | 0:9b334a45a8ff | 133 | *(.heap*) |
bogdanm | 0:9b334a45a8ff | 134 | __HeapLimit = .; |
bogdanm | 0:9b334a45a8ff | 135 | } > RAM |
bogdanm | 0:9b334a45a8ff | 136 | |
bogdanm | 0:9b334a45a8ff | 137 | /* .stack_dummy section doesn't contains any symbols. It is only |
bogdanm | 0:9b334a45a8ff | 138 | * used for linker to calculate size of stack sections, and assign |
bogdanm | 0:9b334a45a8ff | 139 | * values to stack symbols later */ |
bogdanm | 0:9b334a45a8ff | 140 | .stack_dummy (COPY): |
bogdanm | 0:9b334a45a8ff | 141 | { |
bogdanm | 0:9b334a45a8ff | 142 | *(.stack*) |
bogdanm | 0:9b334a45a8ff | 143 | } > RAM |
bogdanm | 0:9b334a45a8ff | 144 | |
bogdanm | 0:9b334a45a8ff | 145 | /* Set stack top to end of RAM, and stack limit move down by |
bogdanm | 0:9b334a45a8ff | 146 | * size of stack_dummy section */ |
bogdanm | 0:9b334a45a8ff | 147 | __StackTop = ORIGIN(RAM) + LENGTH(RAM); |
bogdanm | 0:9b334a45a8ff | 148 | _estack = __StackTop; |
bogdanm | 0:9b334a45a8ff | 149 | __StackLimit = __StackTop - SIZEOF(.stack_dummy); |
bogdanm | 0:9b334a45a8ff | 150 | PROVIDE(__stack = __StackTop); |
bogdanm | 0:9b334a45a8ff | 151 | |
bogdanm | 0:9b334a45a8ff | 152 | /* Check if data + heap + stack exceeds RAM limit */ |
bogdanm | 0:9b334a45a8ff | 153 | ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") |
bogdanm | 0:9b334a45a8ff | 154 | } |