en 129 / mbed-dev

fix LPC812 PWM

Dependents:   IR_LED_Send

Fork of mbed-dev by mbed official

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?

UserRevisionLine numberNew 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 }