Toyomasa Watarai / mbed-dev

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targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/TOOLCHAIN_GCC_ARM/RZA1H.ld@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
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 RZ_A1H */
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 ROM (rx) : ORIGIN = 0x00000000, LENGTH = 0x02000000
bogdanm 0:9b334a45a8ff 7 BOOT_LOADER (rx) : ORIGIN = 0x18000000, LENGTH = 0x00004000
bogdanm 0:9b334a45a8ff 8 SFLASH (rx) : ORIGIN = 0x18004000, LENGTH = 0x07FFC000
bogdanm 0:9b334a45a8ff 9 L_TTB (rw) : ORIGIN = 0x20000000, LENGTH = 0x00004000
bogdanm 0:9b334a45a8ff 10 RAM (rwx) : ORIGIN = 0x20020000, LENGTH = 0x00700000
bogdanm 0:9b334a45a8ff 11 RAM_NC (rwx) : ORIGIN = 0x20900000, LENGTH = 0x00100000
bogdanm 0:9b334a45a8ff 12 }
bogdanm 0:9b334a45a8ff 13
bogdanm 0:9b334a45a8ff 14 /* Linker script to place sections and symbol values. Should be used together
bogdanm 0:9b334a45a8ff 15 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 0:9b334a45a8ff 16 * It references following symbols, which must be defined in code:
bogdanm 0:9b334a45a8ff 17 * Reset_Handler : Entry of reset handler
bogdanm 0:9b334a45a8ff 18 *
bogdanm 0:9b334a45a8ff 19 * It defines following symbols, which code can use without definition:
bogdanm 0:9b334a45a8ff 20 * __exidx_start
bogdanm 0:9b334a45a8ff 21 * __exidx_end
bogdanm 0:9b334a45a8ff 22 * __etext
bogdanm 0:9b334a45a8ff 23 * __data_start__
bogdanm 0:9b334a45a8ff 24 * __preinit_array_start
bogdanm 0:9b334a45a8ff 25 * __preinit_array_end
bogdanm 0:9b334a45a8ff 26 * __init_array_start
bogdanm 0:9b334a45a8ff 27 * __init_array_end
bogdanm 0:9b334a45a8ff 28 * __fini_array_start
bogdanm 0:9b334a45a8ff 29 * __fini_array_end
bogdanm 0:9b334a45a8ff 30 * __data_end__
bogdanm 0:9b334a45a8ff 31 * __bss_start__
bogdanm 0:9b334a45a8ff 32 * __bss_end__
bogdanm 0:9b334a45a8ff 33 * __end__
bogdanm 0:9b334a45a8ff 34 * end
bogdanm 0:9b334a45a8ff 35 * __HeapLimit
bogdanm 0:9b334a45a8ff 36 * __StackLimit
bogdanm 0:9b334a45a8ff 37 * __StackTop
bogdanm 0:9b334a45a8ff 38 * __stack
bogdanm 0:9b334a45a8ff 39 */
bogdanm 0:9b334a45a8ff 40 ENTRY(Reset_Handler)
bogdanm 0:9b334a45a8ff 41
bogdanm 0:9b334a45a8ff 42 SECTIONS
bogdanm 0:9b334a45a8ff 43 {
bogdanm 0:9b334a45a8ff 44 .boot :
bogdanm 0:9b334a45a8ff 45 {
bogdanm 0:9b334a45a8ff 46 KEEP(*(.boot_loader))
bogdanm 0:9b334a45a8ff 47 } > BOOT_LOADER
bogdanm 0:9b334a45a8ff 48
bogdanm 0:9b334a45a8ff 49 .text :
bogdanm 0:9b334a45a8ff 50 {
bogdanm 0:9b334a45a8ff 51
bogdanm 0:9b334a45a8ff 52 Image$$VECTORS$$Base = .;
bogdanm 0:9b334a45a8ff 53 * (RESET)
bogdanm 0:9b334a45a8ff 54 Image$$VECTORS$$Limit = .;
bogdanm 0:9b334a45a8ff 55 . += 0x00000400;
bogdanm 0:9b334a45a8ff 56
bogdanm 0:9b334a45a8ff 57 KEEP(*(.isr_vector))
bogdanm 0:9b334a45a8ff 58 *(SVC_TABLE)
bogdanm 0:9b334a45a8ff 59 *(.text*)
bogdanm 0:9b334a45a8ff 60
bogdanm 0:9b334a45a8ff 61 KEEP(*(.init))
bogdanm 0:9b334a45a8ff 62 KEEP(*(.fini))
bogdanm 0:9b334a45a8ff 63
bogdanm 0:9b334a45a8ff 64 /* .ctors */
bogdanm 0:9b334a45a8ff 65 *crtbegin.o(.ctors)
bogdanm 0:9b334a45a8ff 66 *crtbegin?.o(.ctors)
bogdanm 0:9b334a45a8ff 67 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 0:9b334a45a8ff 68 *(SORT(.ctors.*))
bogdanm 0:9b334a45a8ff 69 *(.ctors)
bogdanm 0:9b334a45a8ff 70
bogdanm 0:9b334a45a8ff 71 /* .dtors */
bogdanm 0:9b334a45a8ff 72 *crtbegin.o(.dtors)
bogdanm 0:9b334a45a8ff 73 *crtbegin?.o(.dtors)
bogdanm 0:9b334a45a8ff 74 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 0:9b334a45a8ff 75 *(SORT(.dtors.*))
bogdanm 0:9b334a45a8ff 76 *(.dtors)
bogdanm 0:9b334a45a8ff 77
bogdanm 0:9b334a45a8ff 78 Image$$RO_DATA$$Base = .;
bogdanm 0:9b334a45a8ff 79 *(.rodata*)
bogdanm 0:9b334a45a8ff 80 Image$$RO_DATA$$Limit = .;
bogdanm 0:9b334a45a8ff 81
bogdanm 0:9b334a45a8ff 82 KEEP(*(.eh_frame*))
bogdanm 0:9b334a45a8ff 83 } > SFLASH
bogdanm 0:9b334a45a8ff 84
bogdanm 0:9b334a45a8ff 85 .ARM.extab :
bogdanm 0:9b334a45a8ff 86 {
bogdanm 0:9b334a45a8ff 87 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 0:9b334a45a8ff 88 } > SFLASH
bogdanm 0:9b334a45a8ff 89
bogdanm 0:9b334a45a8ff 90 __exidx_start = .;
bogdanm 0:9b334a45a8ff 91 .ARM.exidx :
bogdanm 0:9b334a45a8ff 92 {
bogdanm 0:9b334a45a8ff 93 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 0:9b334a45a8ff 94 } > SFLASH
bogdanm 0:9b334a45a8ff 95 __exidx_end = .;
bogdanm 0:9b334a45a8ff 96
bogdanm 0:9b334a45a8ff 97
bogdanm 0:9b334a45a8ff 98 .copy.table :
bogdanm 0:9b334a45a8ff 99 {
bogdanm 0:9b334a45a8ff 100 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 101 __copy_table_start__ = .;
bogdanm 0:9b334a45a8ff 102 LONG (__etext)
bogdanm 0:9b334a45a8ff 103 LONG (__data_start__)
bogdanm 0:9b334a45a8ff 104 LONG (__data_end__ - __data_start__)
bogdanm 0:9b334a45a8ff 105 LONG (__etext2)
bogdanm 0:9b334a45a8ff 106 LONG (__nc_data_start)
bogdanm 0:9b334a45a8ff 107 LONG (__nc_data_end - __nc_data_start)
bogdanm 0:9b334a45a8ff 108 __copy_table_end__ = .;
bogdanm 0:9b334a45a8ff 109 } > SFLASH
bogdanm 0:9b334a45a8ff 110
bogdanm 0:9b334a45a8ff 111 .zero.table :
bogdanm 0:9b334a45a8ff 112 {
bogdanm 0:9b334a45a8ff 113 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 114 __zero_table_start__ = .;
bogdanm 0:9b334a45a8ff 115 LONG (__bss_start__)
bogdanm 0:9b334a45a8ff 116 LONG (__bss_end__ - __bss_start__)
bogdanm 0:9b334a45a8ff 117 LONG (__nc_bss_start)
bogdanm 0:9b334a45a8ff 118 LONG (__nc_bss_end - __nc_bss_start)
bogdanm 0:9b334a45a8ff 119 __zero_table_end__ = .;
bogdanm 0:9b334a45a8ff 120 } > SFLASH
bogdanm 0:9b334a45a8ff 121
bogdanm 0:9b334a45a8ff 122 __etext = .;
bogdanm 0:9b334a45a8ff 123
bogdanm 0:9b334a45a8ff 124 .ttb :
bogdanm 0:9b334a45a8ff 125 {
bogdanm 0:9b334a45a8ff 126 Image$$TTB$$ZI$$Base = .;
bogdanm 0:9b334a45a8ff 127 . += 0x00004000;
bogdanm 0:9b334a45a8ff 128 Image$$TTB$$ZI$$Limit = .;
bogdanm 0:9b334a45a8ff 129 } > L_TTB
bogdanm 0:9b334a45a8ff 130
bogdanm 0:9b334a45a8ff 131 .data : AT (__etext)
bogdanm 0:9b334a45a8ff 132 {
bogdanm 0:9b334a45a8ff 133 Image$$RW_DATA$$Base = .;
bogdanm 0:9b334a45a8ff 134 __data_start__ = .;
bogdanm 0:9b334a45a8ff 135 *(vtable)
bogdanm 0:9b334a45a8ff 136 *(.data*)
bogdanm 0:9b334a45a8ff 137 Image$$RW_DATA$$Limit = .;
bogdanm 0:9b334a45a8ff 138
bogdanm 0:9b334a45a8ff 139 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 140 /* preinit data */
bogdanm 0:9b334a45a8ff 141 PROVIDE (__preinit_array_start = .);
bogdanm 0:9b334a45a8ff 142 KEEP(*(.preinit_array))
bogdanm 0:9b334a45a8ff 143 PROVIDE (__preinit_array_end = .);
bogdanm 0:9b334a45a8ff 144
bogdanm 0:9b334a45a8ff 145 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 146 /* init data */
bogdanm 0:9b334a45a8ff 147 PROVIDE (__init_array_start = .);
bogdanm 0:9b334a45a8ff 148 KEEP(*(SORT(.init_array.*)))
bogdanm 0:9b334a45a8ff 149 KEEP(*(.init_array))
bogdanm 0:9b334a45a8ff 150 PROVIDE (__init_array_end = .);
bogdanm 0:9b334a45a8ff 151
bogdanm 0:9b334a45a8ff 152
bogdanm 0:9b334a45a8ff 153 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 154 /* finit data */
bogdanm 0:9b334a45a8ff 155 PROVIDE (__fini_array_start = .);
bogdanm 0:9b334a45a8ff 156 KEEP(*(SORT(.fini_array.*)))
bogdanm 0:9b334a45a8ff 157 KEEP(*(.fini_array))
bogdanm 0:9b334a45a8ff 158 PROVIDE (__fini_array_end = .);
bogdanm 0:9b334a45a8ff 159
bogdanm 0:9b334a45a8ff 160 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 161 /* All data end */
bogdanm 0:9b334a45a8ff 162 __data_end__ = .;
bogdanm 0:9b334a45a8ff 163
bogdanm 0:9b334a45a8ff 164 } > RAM
bogdanm 0:9b334a45a8ff 165
bogdanm 0:9b334a45a8ff 166
bogdanm 0:9b334a45a8ff 167 .bss ALIGN(0x400):
bogdanm 0:9b334a45a8ff 168 {
bogdanm 0:9b334a45a8ff 169 Image$$ZI_DATA$$Base = .;
bogdanm 0:9b334a45a8ff 170 __bss_start__ = .;
bogdanm 0:9b334a45a8ff 171 *(.bss*)
bogdanm 0:9b334a45a8ff 172 *(COMMON)
bogdanm 0:9b334a45a8ff 173 __bss_end__ = .;
bogdanm 0:9b334a45a8ff 174 Image$$ZI_DATA$$Limit = .;
bogdanm 0:9b334a45a8ff 175 } > RAM
bogdanm 0:9b334a45a8ff 176
bogdanm 0:9b334a45a8ff 177
bogdanm 0:9b334a45a8ff 178 .heap :
bogdanm 0:9b334a45a8ff 179 {
bogdanm 0:9b334a45a8ff 180 __end__ = .;
bogdanm 0:9b334a45a8ff 181 end = __end__;
bogdanm 0:9b334a45a8ff 182 *(.heap*)
bogdanm 0:9b334a45a8ff 183 __HeapLimit = .;
bogdanm 0:9b334a45a8ff 184 } > RAM
bogdanm 0:9b334a45a8ff 185
bogdanm 0:9b334a45a8ff 186 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 0:9b334a45a8ff 187 * used for linker to calculate size of stack sections, and assign
bogdanm 0:9b334a45a8ff 188 * values to stack symbols later */
bogdanm 0:9b334a45a8ff 189 .stack_dummy :
bogdanm 0:9b334a45a8ff 190 {
bogdanm 0:9b334a45a8ff 191 *(.stack)
bogdanm 0:9b334a45a8ff 192 } > RAM
bogdanm 0:9b334a45a8ff 193
bogdanm 0:9b334a45a8ff 194 __etext2 = __etext + SIZEOF(.data);
bogdanm 0:9b334a45a8ff 195 .nc_data : AT (__etext2)
bogdanm 0:9b334a45a8ff 196 {
bogdanm 0:9b334a45a8ff 197 Image$$RW_DATA_NC$$Base = .;
bogdanm 0:9b334a45a8ff 198 __nc_data_start = .;
bogdanm 0:9b334a45a8ff 199 *(NC_DATA)
bogdanm 0:9b334a45a8ff 200
bogdanm 0:9b334a45a8ff 201 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 202 __nc_data_end = .;
bogdanm 0:9b334a45a8ff 203 Image$$RW_DATA_NC$$Limit = .;
bogdanm 0:9b334a45a8ff 204 } > RAM_NC
bogdanm 0:9b334a45a8ff 205
bogdanm 0:9b334a45a8ff 206 .nc_bss (NOLOAD) :
bogdanm 0:9b334a45a8ff 207 {
bogdanm 0:9b334a45a8ff 208 Image$$ZI_DATA_NC$$Base = .;
bogdanm 0:9b334a45a8ff 209 __nc_bss_start = .;
bogdanm 0:9b334a45a8ff 210 *(NC_BSS)
bogdanm 0:9b334a45a8ff 211
bogdanm 0:9b334a45a8ff 212 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 213 __nc_bss_end = .;
bogdanm 0:9b334a45a8ff 214 Image$$ZI_DATA_NC$$Limit = .;
bogdanm 0:9b334a45a8ff 215 } > RAM_NC
bogdanm 0:9b334a45a8ff 216
bogdanm 0:9b334a45a8ff 217 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 0:9b334a45a8ff 218 * size of stack_dummy section */
bogdanm 0:9b334a45a8ff 219 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 0:9b334a45a8ff 220 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 0:9b334a45a8ff 221 PROVIDE(__stack = __StackTop);
bogdanm 0:9b334a45a8ff 222
bogdanm 0:9b334a45a8ff 223 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 0:9b334a45a8ff 224 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 0:9b334a45a8ff 225
bogdanm 0:9b334a45a8ff 226
bogdanm 0:9b334a45a8ff 227 }