Initial commit

Dependencies:   FastPWM

Committer:
lypinator
Date:
Wed Sep 16 01:11:49 2020 +0000
Revision:
0:bb348c97df44
Added PWM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lypinator 0:bb348c97df44 1 #if !defined(MBED_APP_START)
lypinator 0:bb348c97df44 2 #define MBED_APP_START 0x08000000
lypinator 0:bb348c97df44 3 #endif
lypinator 0:bb348c97df44 4
lypinator 0:bb348c97df44 5 #if !defined(MBED_APP_SIZE)
lypinator 0:bb348c97df44 6 #define MBED_APP_SIZE 1024K
lypinator 0:bb348c97df44 7 #endif
lypinator 0:bb348c97df44 8 /* Linker script to configure memory regions. */
lypinator 0:bb348c97df44 9 MEMORY
lypinator 0:bb348c97df44 10 {
lypinator 0:bb348c97df44 11 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
lypinator 0:bb348c97df44 12 RAM (rwx) : ORIGIN = 0x200001C4, LENGTH = 256K - 0x1C4
lypinator 0:bb348c97df44 13 }
lypinator 0:bb348c97df44 14
lypinator 0:bb348c97df44 15 /* Linker script to place sections and symbol values. Should be used together
lypinator 0:bb348c97df44 16 * with other linker script that defines memory regions FLASH and RAM.
lypinator 0:bb348c97df44 17 * It references following symbols, which must be defined in code:
lypinator 0:bb348c97df44 18 * Reset_Handler : Entry of reset handler
lypinator 0:bb348c97df44 19 *
lypinator 0:bb348c97df44 20 * It defines following symbols, which code can use without definition:
lypinator 0:bb348c97df44 21 * __exidx_start
lypinator 0:bb348c97df44 22 * __exidx_end
lypinator 0:bb348c97df44 23 * __etext
lypinator 0:bb348c97df44 24 * __data_start__
lypinator 0:bb348c97df44 25 * __preinit_array_start
lypinator 0:bb348c97df44 26 * __preinit_array_end
lypinator 0:bb348c97df44 27 * __init_array_start
lypinator 0:bb348c97df44 28 * __init_array_end
lypinator 0:bb348c97df44 29 * __fini_array_start
lypinator 0:bb348c97df44 30 * __fini_array_end
lypinator 0:bb348c97df44 31 * __data_end__
lypinator 0:bb348c97df44 32 * __bss_start__
lypinator 0:bb348c97df44 33 * __bss_end__
lypinator 0:bb348c97df44 34 * __end__
lypinator 0:bb348c97df44 35 * end
lypinator 0:bb348c97df44 36 * __HeapLimit
lypinator 0:bb348c97df44 37 * __StackLimit
lypinator 0:bb348c97df44 38 * __StackTop
lypinator 0:bb348c97df44 39 * __stack
lypinator 0:bb348c97df44 40 * _estack
lypinator 0:bb348c97df44 41 */
lypinator 0:bb348c97df44 42 ENTRY(Reset_Handler)
lypinator 0:bb348c97df44 43
lypinator 0:bb348c97df44 44 SECTIONS
lypinator 0:bb348c97df44 45 {
lypinator 0:bb348c97df44 46 .text :
lypinator 0:bb348c97df44 47 {
lypinator 0:bb348c97df44 48 KEEP(*(.isr_vector))
lypinator 0:bb348c97df44 49 *(.text*)
lypinator 0:bb348c97df44 50 KEEP(*(.init))
lypinator 0:bb348c97df44 51 KEEP(*(.fini))
lypinator 0:bb348c97df44 52
lypinator 0:bb348c97df44 53 /* .ctors */
lypinator 0:bb348c97df44 54 *crtbegin.o(.ctors)
lypinator 0:bb348c97df44 55 *crtbegin?.o(.ctors)
lypinator 0:bb348c97df44 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
lypinator 0:bb348c97df44 57 *(SORT(.ctors.*))
lypinator 0:bb348c97df44 58 *(.ctors)
lypinator 0:bb348c97df44 59
lypinator 0:bb348c97df44 60 /* .dtors */
lypinator 0:bb348c97df44 61 *crtbegin.o(.dtors)
lypinator 0:bb348c97df44 62 *crtbegin?.o(.dtors)
lypinator 0:bb348c97df44 63 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
lypinator 0:bb348c97df44 64 *(SORT(.dtors.*))
lypinator 0:bb348c97df44 65 *(.dtors)
lypinator 0:bb348c97df44 66
lypinator 0:bb348c97df44 67 *(.rodata*)
lypinator 0:bb348c97df44 68
lypinator 0:bb348c97df44 69 KEEP(*(.eh_frame*))
lypinator 0:bb348c97df44 70 } > FLASH
lypinator 0:bb348c97df44 71
lypinator 0:bb348c97df44 72 .ARM.extab :
lypinator 0:bb348c97df44 73 {
lypinator 0:bb348c97df44 74 *(.ARM.extab* .gnu.linkonce.armextab.*)
lypinator 0:bb348c97df44 75 } > FLASH
lypinator 0:bb348c97df44 76
lypinator 0:bb348c97df44 77 __exidx_start = .;
lypinator 0:bb348c97df44 78 .ARM.exidx :
lypinator 0:bb348c97df44 79 {
lypinator 0:bb348c97df44 80 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
lypinator 0:bb348c97df44 81 } > FLASH
lypinator 0:bb348c97df44 82 __exidx_end = .;
lypinator 0:bb348c97df44 83
lypinator 0:bb348c97df44 84 __etext = .;
lypinator 0:bb348c97df44 85 _sidata = .;
lypinator 0:bb348c97df44 86
lypinator 0:bb348c97df44 87 .data : AT (__etext)
lypinator 0:bb348c97df44 88 {
lypinator 0:bb348c97df44 89 __data_start__ = .;
lypinator 0:bb348c97df44 90 _sdata = .;
lypinator 0:bb348c97df44 91 *(vtable)
lypinator 0:bb348c97df44 92 *(.data*)
lypinator 0:bb348c97df44 93
lypinator 0:bb348c97df44 94 . = ALIGN(4);
lypinator 0:bb348c97df44 95 /* preinit data */
lypinator 0:bb348c97df44 96 PROVIDE_HIDDEN (__preinit_array_start = .);
lypinator 0:bb348c97df44 97 KEEP(*(.preinit_array))
lypinator 0:bb348c97df44 98 PROVIDE_HIDDEN (__preinit_array_end = .);
lypinator 0:bb348c97df44 99
lypinator 0:bb348c97df44 100 . = ALIGN(4);
lypinator 0:bb348c97df44 101 /* init data */
lypinator 0:bb348c97df44 102 PROVIDE_HIDDEN (__init_array_start = .);
lypinator 0:bb348c97df44 103 KEEP(*(SORT(.init_array.*)))
lypinator 0:bb348c97df44 104 KEEP(*(.init_array))
lypinator 0:bb348c97df44 105 PROVIDE_HIDDEN (__init_array_end = .);
lypinator 0:bb348c97df44 106
lypinator 0:bb348c97df44 107
lypinator 0:bb348c97df44 108 . = ALIGN(4);
lypinator 0:bb348c97df44 109 /* finit data */
lypinator 0:bb348c97df44 110 PROVIDE_HIDDEN (__fini_array_start = .);
lypinator 0:bb348c97df44 111 KEEP(*(SORT(.fini_array.*)))
lypinator 0:bb348c97df44 112 KEEP(*(.fini_array))
lypinator 0:bb348c97df44 113 PROVIDE_HIDDEN (__fini_array_end = .);
lypinator 0:bb348c97df44 114
lypinator 0:bb348c97df44 115 KEEP(*(.jcr*))
lypinator 0:bb348c97df44 116 . = ALIGN(4);
lypinator 0:bb348c97df44 117 /* All data end */
lypinator 0:bb348c97df44 118 __data_end__ = .;
lypinator 0:bb348c97df44 119 _edata = .;
lypinator 0:bb348c97df44 120
lypinator 0:bb348c97df44 121 } > RAM
lypinator 0:bb348c97df44 122
lypinator 0:bb348c97df44 123 .bss :
lypinator 0:bb348c97df44 124 {
lypinator 0:bb348c97df44 125 . = ALIGN(4);
lypinator 0:bb348c97df44 126 __bss_start__ = .;
lypinator 0:bb348c97df44 127 _sbss = .;
lypinator 0:bb348c97df44 128 *(.bss*)
lypinator 0:bb348c97df44 129 *(COMMON)
lypinator 0:bb348c97df44 130 . = ALIGN(4);
lypinator 0:bb348c97df44 131 __bss_end__ = .;
lypinator 0:bb348c97df44 132 _ebss = .;
lypinator 0:bb348c97df44 133 } > RAM
lypinator 0:bb348c97df44 134
lypinator 0:bb348c97df44 135 .heap (COPY):
lypinator 0:bb348c97df44 136 {
lypinator 0:bb348c97df44 137 __end__ = .;
lypinator 0:bb348c97df44 138 end = __end__;
lypinator 0:bb348c97df44 139 *(.heap*)
lypinator 0:bb348c97df44 140 __HeapLimit = .;
lypinator 0:bb348c97df44 141 } > RAM
lypinator 0:bb348c97df44 142
lypinator 0:bb348c97df44 143 /* .stack_dummy section doesn't contains any symbols. It is only
lypinator 0:bb348c97df44 144 * used for linker to calculate size of stack sections, and assign
lypinator 0:bb348c97df44 145 * values to stack symbols later */
lypinator 0:bb348c97df44 146 .stack_dummy (COPY):
lypinator 0:bb348c97df44 147 {
lypinator 0:bb348c97df44 148 *(.stack*)
lypinator 0:bb348c97df44 149 } > RAM
lypinator 0:bb348c97df44 150
lypinator 0:bb348c97df44 151 /* Set stack top to end of RAM, and stack limit move down by
lypinator 0:bb348c97df44 152 * size of stack_dummy section */
lypinator 0:bb348c97df44 153 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
lypinator 0:bb348c97df44 154 _estack = __StackTop;
lypinator 0:bb348c97df44 155 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
lypinator 0:bb348c97df44 156 PROVIDE(__stack = __StackTop);
lypinator 0:bb348c97df44 157
lypinator 0:bb348c97df44 158 /* Check if data + heap + stack exceeds RAM limit */
lypinator 0:bb348c97df44 159 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
lypinator 0:bb348c97df44 160 }