Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC82X/TARGET_LPC824/TOOLCHAIN_GCC_ARM/LPC824.ld@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* Linker script for mbed LPC824-GCC-ARM based on LPC1114-GCC-ARM-LPC1114.ld */
bogdanm 0:9b334a45a8ff 2
bogdanm 0:9b334a45a8ff 3 /* Linker script to configure memory regions. */
bogdanm 0:9b334a45a8ff 4 MEMORY
bogdanm 0:9b334a45a8ff 5 {
bogdanm 0:9b334a45a8ff 6 /* Define each memory region */
bogdanm 0:9b334a45a8ff 7 FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x8000 /* 32K bytes */
bogdanm 0:9b334a45a8ff 8 RAM (rwx) : ORIGIN = 0x10000000+0xC0, LENGTH = 0x2000-0xC0 /* 8K bytes */
bogdanm 0:9b334a45a8ff 9
bogdanm 0:9b334a45a8ff 10
bogdanm 0:9b334a45a8ff 11 }
bogdanm 0:9b334a45a8ff 12
bogdanm 0:9b334a45a8ff 13 /* Linker script to place sections and symbol values. Should be used together
bogdanm 0:9b334a45a8ff 14 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 0:9b334a45a8ff 15 * It references following symbols, which must be defined in code:
bogdanm 0:9b334a45a8ff 16 * Reset_Handler : Entry of reset handler
bogdanm 0:9b334a45a8ff 17 *
bogdanm 0:9b334a45a8ff 18 * It defines following symbols, which code can use without definition:
bogdanm 0:9b334a45a8ff 19 * __exidx_start
bogdanm 0:9b334a45a8ff 20 * __exidx_end
bogdanm 0:9b334a45a8ff 21 * __etext
bogdanm 0:9b334a45a8ff 22 * __data_start__
bogdanm 0:9b334a45a8ff 23 * __preinit_array_start
bogdanm 0:9b334a45a8ff 24 * __preinit_array_end
bogdanm 0:9b334a45a8ff 25 * __init_array_start
bogdanm 0:9b334a45a8ff 26 * __init_array_end
bogdanm 0:9b334a45a8ff 27 * __fini_array_start
bogdanm 0:9b334a45a8ff 28 * __fini_array_end
bogdanm 0:9b334a45a8ff 29 * __data_end__
bogdanm 0:9b334a45a8ff 30 * __bss_start__
bogdanm 0:9b334a45a8ff 31 * __bss_end__
bogdanm 0:9b334a45a8ff 32 * __end__
bogdanm 0:9b334a45a8ff 33 * end
bogdanm 0:9b334a45a8ff 34 * __HeapLimit
bogdanm 0:9b334a45a8ff 35 * __StackLimit
bogdanm 0:9b334a45a8ff 36 * __StackTop
bogdanm 0:9b334a45a8ff 37 * __stack
bogdanm 0:9b334a45a8ff 38 */
bogdanm 0:9b334a45a8ff 39 ENTRY(Reset_Handler)
bogdanm 0:9b334a45a8ff 40
bogdanm 0:9b334a45a8ff 41 SECTIONS
bogdanm 0:9b334a45a8ff 42 {
bogdanm 0:9b334a45a8ff 43 .text :
bogdanm 0:9b334a45a8ff 44 {
bogdanm 0:9b334a45a8ff 45 KEEP(*(.isr_vector))
bogdanm 0:9b334a45a8ff 46 *(.text.Reset_Handler)
bogdanm 0:9b334a45a8ff 47 *(.text.SystemInit)
bogdanm 0:9b334a45a8ff 48 *(.text*)
bogdanm 0:9b334a45a8ff 49
bogdanm 0:9b334a45a8ff 50 KEEP(*(.init))
bogdanm 0:9b334a45a8ff 51 KEEP(*(.fini))
bogdanm 0:9b334a45a8ff 52
bogdanm 0:9b334a45a8ff 53 /* .ctors */
bogdanm 0:9b334a45a8ff 54 *crtbegin.o(.ctors)
bogdanm 0:9b334a45a8ff 55 *crtbegin?.o(.ctors)
bogdanm 0:9b334a45a8ff 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 0:9b334a45a8ff 57 *(SORT(.ctors.*))
bogdanm 0:9b334a45a8ff 58 *(.ctors)
bogdanm 0:9b334a45a8ff 59
bogdanm 0:9b334a45a8ff 60 /* .dtors */
bogdanm 0:9b334a45a8ff 61 *crtbegin.o(.dtors)
bogdanm 0:9b334a45a8ff 62 *crtbegin?.o(.dtors)
bogdanm 0:9b334a45a8ff 63 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 0:9b334a45a8ff 64 *(SORT(.dtors.*))
bogdanm 0:9b334a45a8ff 65 *(.dtors)
bogdanm 0:9b334a45a8ff 66
bogdanm 0:9b334a45a8ff 67 *(.rodata*)
bogdanm 0:9b334a45a8ff 68
bogdanm 0:9b334a45a8ff 69 KEEP(*(.eh_frame*))
bogdanm 0:9b334a45a8ff 70 } > FLASH
bogdanm 0:9b334a45a8ff 71
bogdanm 0:9b334a45a8ff 72 .ARM.extab :
bogdanm 0:9b334a45a8ff 73 {
bogdanm 0:9b334a45a8ff 74 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 0:9b334a45a8ff 75 } > FLASH
bogdanm 0:9b334a45a8ff 76
bogdanm 0:9b334a45a8ff 77 __exidx_start = .;
bogdanm 0:9b334a45a8ff 78 .ARM.exidx :
bogdanm 0:9b334a45a8ff 79 {
bogdanm 0:9b334a45a8ff 80 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 0:9b334a45a8ff 81 } > FLASH
bogdanm 0:9b334a45a8ff 82 __exidx_end = .;
bogdanm 0:9b334a45a8ff 83
bogdanm 0:9b334a45a8ff 84 __etext = .;
bogdanm 0:9b334a45a8ff 85
bogdanm 0:9b334a45a8ff 86 .data : AT (__etext)
bogdanm 0:9b334a45a8ff 87 {
bogdanm 0:9b334a45a8ff 88 __data_start__ = .;
bogdanm 0:9b334a45a8ff 89 *(vtable)
bogdanm 0:9b334a45a8ff 90 *(.data*)
bogdanm 0:9b334a45a8ff 91
bogdanm 0:9b334a45a8ff 92 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 93 /* preinit data */
bogdanm 0:9b334a45a8ff 94 PROVIDE (__preinit_array_start = .);
bogdanm 0:9b334a45a8ff 95 KEEP(*(.preinit_array))
bogdanm 0:9b334a45a8ff 96 PROVIDE (__preinit_array_end = .);
bogdanm 0:9b334a45a8ff 97
bogdanm 0:9b334a45a8ff 98 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 99 /* init data */
bogdanm 0:9b334a45a8ff 100 PROVIDE (__init_array_start = .);
bogdanm 0:9b334a45a8ff 101 KEEP(*(SORT(.init_array.*)))
bogdanm 0:9b334a45a8ff 102 KEEP(*(.init_array))
bogdanm 0:9b334a45a8ff 103 PROVIDE (__init_array_end = .);
bogdanm 0:9b334a45a8ff 104
bogdanm 0:9b334a45a8ff 105
bogdanm 0:9b334a45a8ff 106 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 107 /* finit data */
bogdanm 0:9b334a45a8ff 108 PROVIDE (__fini_array_start = .);
bogdanm 0:9b334a45a8ff 109 KEEP(*(SORT(.fini_array.*)))
bogdanm 0:9b334a45a8ff 110 KEEP(*(.fini_array))
bogdanm 0:9b334a45a8ff 111 PROVIDE (__fini_array_end = .);
bogdanm 0:9b334a45a8ff 112
bogdanm 0:9b334a45a8ff 113 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 114 /* All data end */
bogdanm 0:9b334a45a8ff 115 __data_end__ = .;
bogdanm 0:9b334a45a8ff 116
bogdanm 0:9b334a45a8ff 117 } > RAM
bogdanm 0:9b334a45a8ff 118
bogdanm 0:9b334a45a8ff 119 .bss :
bogdanm 0:9b334a45a8ff 120 {
bogdanm 0:9b334a45a8ff 121 __bss_start__ = .;
bogdanm 0:9b334a45a8ff 122 *(.bss*)
bogdanm 0:9b334a45a8ff 123 *(COMMON)
bogdanm 0:9b334a45a8ff 124 __bss_end__ = .;
bogdanm 0:9b334a45a8ff 125 } > RAM
bogdanm 0:9b334a45a8ff 126
bogdanm 0:9b334a45a8ff 127 .heap :
bogdanm 0:9b334a45a8ff 128 {
bogdanm 0:9b334a45a8ff 129 __end__ = .;
bogdanm 0:9b334a45a8ff 130 end = __end__;
bogdanm 0:9b334a45a8ff 131 *(.heap*)
bogdanm 0:9b334a45a8ff 132 __HeapLimit = .;
bogdanm 0:9b334a45a8ff 133 } > RAM
bogdanm 0:9b334a45a8ff 134
bogdanm 0:9b334a45a8ff 135 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 0:9b334a45a8ff 136 * used for linker to calculate size of stack sections, and assign
bogdanm 0:9b334a45a8ff 137 * values to stack symbols later */
bogdanm 0:9b334a45a8ff 138 .stack_dummy :
bogdanm 0:9b334a45a8ff 139 {
bogdanm 0:9b334a45a8ff 140 *(.stack)
bogdanm 0:9b334a45a8ff 141 } > RAM
bogdanm 0:9b334a45a8ff 142
bogdanm 0:9b334a45a8ff 143 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 0:9b334a45a8ff 144 * size of stack_dummy section */
bogdanm 0:9b334a45a8ff 145 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 0:9b334a45a8ff 146 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 0:9b334a45a8ff 147 PROVIDE(__stack = __StackTop);
bogdanm 0:9b334a45a8ff 148
bogdanm 0:9b334a45a8ff 149 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 0:9b334a45a8ff 150 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 0:9b334a45a8ff 151 }