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_LPC43XX/TOOLCHAIN_GCC_ARM/LPC4330.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 LPC4330 */
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 RAM0 (rwx) : ORIGIN = 0x10000114, LENGTH = (128K - 0x114)
bogdanm 0:9b334a45a8ff 7 RAM1 (rwx) : ORIGIN = 0x10080000, LENGTH = 72K
bogdanm 0:9b334a45a8ff 8
bogdanm 0:9b334a45a8ff 9 RAM_AHB0 (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
bogdanm 0:9b334a45a8ff 10 RAM_AHB1 (rwx) : ORIGIN = 0x20008000, LENGTH = 32K
bogdanm 0:9b334a45a8ff 11
bogdanm 0:9b334a45a8ff 12 SPIFI (rx) : ORIGIN = 0x14000000, LENGTH = 32M
bogdanm 0:9b334a45a8ff 13 }
bogdanm 0:9b334a45a8ff 14
bogdanm 0:9b334a45a8ff 15 /* Linker script to place sections and symbol values. Should be used together
bogdanm 0:9b334a45a8ff 16 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 0:9b334a45a8ff 17 * It references following symbols, which must be defined in code:
bogdanm 0:9b334a45a8ff 18 * Reset_Handler : Entry of reset handler
bogdanm 0:9b334a45a8ff 19 *
bogdanm 0:9b334a45a8ff 20 * It defines following symbols, which code can use without definition:
bogdanm 0:9b334a45a8ff 21 * __exidx_start
bogdanm 0:9b334a45a8ff 22 * __exidx_end
bogdanm 0:9b334a45a8ff 23 * __etext
bogdanm 0:9b334a45a8ff 24 * __data_start__
bogdanm 0:9b334a45a8ff 25 * __preinit_array_start
bogdanm 0:9b334a45a8ff 26 * __preinit_array_end
bogdanm 0:9b334a45a8ff 27 * __init_array_start
bogdanm 0:9b334a45a8ff 28 * __init_array_end
bogdanm 0:9b334a45a8ff 29 * __fini_array_start
bogdanm 0:9b334a45a8ff 30 * __fini_array_end
bogdanm 0:9b334a45a8ff 31 * __data_end__
bogdanm 0:9b334a45a8ff 32 * __bss_start__
bogdanm 0:9b334a45a8ff 33 * __bss_end__
bogdanm 0:9b334a45a8ff 34 * __end__
bogdanm 0:9b334a45a8ff 35 * end
bogdanm 0:9b334a45a8ff 36 * __HeapLimit
bogdanm 0:9b334a45a8ff 37 * __StackLimit
bogdanm 0:9b334a45a8ff 38 * __StackTop
bogdanm 0:9b334a45a8ff 39 * __stack
bogdanm 0:9b334a45a8ff 40 */
bogdanm 0:9b334a45a8ff 41 ENTRY(Reset_Handler)
bogdanm 0:9b334a45a8ff 42
bogdanm 0:9b334a45a8ff 43 SECTIONS
bogdanm 0:9b334a45a8ff 44 {
bogdanm 0:9b334a45a8ff 45 .text :
bogdanm 0:9b334a45a8ff 46 {
bogdanm 0:9b334a45a8ff 47 KEEP(*(.isr_vector))
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 } > SPIFI
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 } > SPIFI
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 } > SPIFI
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 Image$$RW_IRAM1$$Base = .;
bogdanm 0:9b334a45a8ff 90 *(vtable)
bogdanm 0:9b334a45a8ff 91 *(.data*)
bogdanm 0:9b334a45a8ff 92
bogdanm 0:9b334a45a8ff 93 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 94 /* preinit data */
bogdanm 0:9b334a45a8ff 95 PROVIDE (__preinit_array_start = .);
bogdanm 0:9b334a45a8ff 96 KEEP(*(.preinit_array))
bogdanm 0:9b334a45a8ff 97 PROVIDE (__preinit_array_end = .);
bogdanm 0:9b334a45a8ff 98
bogdanm 0:9b334a45a8ff 99 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 100 /* init data */
bogdanm 0:9b334a45a8ff 101 PROVIDE (__init_array_start = .);
bogdanm 0:9b334a45a8ff 102 KEEP(*(SORT(.init_array.*)))
bogdanm 0:9b334a45a8ff 103 KEEP(*(.init_array))
bogdanm 0:9b334a45a8ff 104 PROVIDE (__init_array_end = .);
bogdanm 0:9b334a45a8ff 105
bogdanm 0:9b334a45a8ff 106
bogdanm 0:9b334a45a8ff 107 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 108 /* finit data */
bogdanm 0:9b334a45a8ff 109 PROVIDE (__fini_array_start = .);
bogdanm 0:9b334a45a8ff 110 KEEP(*(SORT(.fini_array.*)))
bogdanm 0:9b334a45a8ff 111 KEEP(*(.fini_array))
bogdanm 0:9b334a45a8ff 112 PROVIDE (__fini_array_end = .);
bogdanm 0:9b334a45a8ff 113
bogdanm 0:9b334a45a8ff 114 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 115 /* All data end */
bogdanm 0:9b334a45a8ff 116 __data_end__ = .;
bogdanm 0:9b334a45a8ff 117
bogdanm 0:9b334a45a8ff 118 } > RAM0
bogdanm 0:9b334a45a8ff 119
bogdanm 0:9b334a45a8ff 120
bogdanm 0:9b334a45a8ff 121 .bss :
bogdanm 0:9b334a45a8ff 122 {
bogdanm 0:9b334a45a8ff 123 __bss_start__ = .;
bogdanm 0:9b334a45a8ff 124 *(.bss*)
bogdanm 0:9b334a45a8ff 125 *(COMMON)
bogdanm 0:9b334a45a8ff 126 __bss_end__ = .;
bogdanm 0:9b334a45a8ff 127 Image$$RW_IRAM1$$ZI$$Limit = . ;
bogdanm 0:9b334a45a8ff 128 } > RAM1
bogdanm 0:9b334a45a8ff 129
bogdanm 0:9b334a45a8ff 130
bogdanm 0:9b334a45a8ff 131 .heap :
bogdanm 0:9b334a45a8ff 132 {
bogdanm 0:9b334a45a8ff 133 __end__ = .;
bogdanm 0:9b334a45a8ff 134 end = __end__;
bogdanm 0:9b334a45a8ff 135 *(.heap*)
bogdanm 0:9b334a45a8ff 136 __HeapLimit = .;
bogdanm 0:9b334a45a8ff 137 } > RAM1
bogdanm 0:9b334a45a8ff 138
bogdanm 0:9b334a45a8ff 139 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 0:9b334a45a8ff 140 * used for linker to calculate size of stack sections, and assign
bogdanm 0:9b334a45a8ff 141 * values to stack symbols later */
bogdanm 0:9b334a45a8ff 142 .stack_dummy :
bogdanm 0:9b334a45a8ff 143 {
bogdanm 0:9b334a45a8ff 144 *(.stack)
bogdanm 0:9b334a45a8ff 145 } > RAM1
bogdanm 0:9b334a45a8ff 146
bogdanm 0:9b334a45a8ff 147 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 0:9b334a45a8ff 148 * size of stack_dummy section */
bogdanm 0:9b334a45a8ff 149 __StackTop = ORIGIN(RAM1) + LENGTH(RAM1);
bogdanm 0:9b334a45a8ff 150 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 0:9b334a45a8ff 151 PROVIDE(__stack = __StackTop);
bogdanm 0:9b334a45a8ff 152
bogdanm 0:9b334a45a8ff 153 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 0:9b334a45a8ff 154 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 0:9b334a45a8ff 155
bogdanm 0:9b334a45a8ff 156
bogdanm 0:9b334a45a8ff 157 /* Code can explicitly ask for data to be
bogdanm 0:9b334a45a8ff 158 placed in these higher RAM banks where
bogdanm 0:9b334a45a8ff 159 they will be left uninitialized.
bogdanm 0:9b334a45a8ff 160 */
bogdanm 0:9b334a45a8ff 161 .AHBSRAM0 (NOLOAD):
bogdanm 0:9b334a45a8ff 162 {
bogdanm 0:9b334a45a8ff 163 Image$$RW_IRAM2$$Base = . ;
bogdanm 0:9b334a45a8ff 164 *(AHBSRAM0)
bogdanm 0:9b334a45a8ff 165 Image$$RW_IRAM2$$ZI$$Limit = .;
bogdanm 0:9b334a45a8ff 166 } > RAM_AHB0
bogdanm 0:9b334a45a8ff 167
bogdanm 0:9b334a45a8ff 168 .AHBSRAM1 (NOLOAD):
bogdanm 0:9b334a45a8ff 169 {
bogdanm 0:9b334a45a8ff 170 Image$$RW_IRAM3$$Base = . ;
bogdanm 0:9b334a45a8ff 171 *(AHBSRAM1)
bogdanm 0:9b334a45a8ff 172 Image$$RW_IRAM3$$ZI$$Limit = .;
bogdanm 0:9b334a45a8ff 173 } > RAM_AHB1
bogdanm 0:9b334a45a8ff 174 }