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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_RZ_A1H/TOOLCHAIN_GCC_ARM/RZA1H.ld@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 95:7e07b6fb45cf 1 /* Linker script for mbed RZ_A1H */
Kojto 95:7e07b6fb45cf 2
Kojto 95:7e07b6fb45cf 3 /* Linker script to configure memory regions. */
AnnaBridge 170:e95d10626187 4
AnnaBridge 170:e95d10626187 5 #if !defined(MBED_APP_START)
AnnaBridge 170:e95d10626187 6 #define MBED_APP_START 0x18000000
AnnaBridge 170:e95d10626187 7 #endif
AnnaBridge 170:e95d10626187 8
AnnaBridge 170:e95d10626187 9 #if !defined(MBED_APP_SIZE)
AnnaBridge 170:e95d10626187 10 #define MBED_APP_SIZE 0x800000
AnnaBridge 170:e95d10626187 11 #endif
AnnaBridge 170:e95d10626187 12
AnnaBridge 170:e95d10626187 13 #define BOOT_LOADER_ADDR (MBED_APP_START)
AnnaBridge 170:e95d10626187 14 #if (MBED_APP_START == 0x18000000)
AnnaBridge 170:e95d10626187 15 #define BOOT_LOADER_SIZE (0x00004000)
AnnaBridge 170:e95d10626187 16 #else
AnnaBridge 170:e95d10626187 17 #define BOOT_LOADER_SIZE (0x00000000)
AnnaBridge 170:e95d10626187 18 #endif
AnnaBridge 170:e95d10626187 19
AnnaBridge 170:e95d10626187 20 #define SFLASH_ADDR (MBED_APP_START + BOOT_LOADER_SIZE)
AnnaBridge 170:e95d10626187 21 #define SFLASH_SIZE (MBED_APP_SIZE - BOOT_LOADER_SIZE)
AnnaBridge 170:e95d10626187 22
Kojto 95:7e07b6fb45cf 23 MEMORY
Kojto 95:7e07b6fb45cf 24 {
AnnaBridge 170:e95d10626187 25 ROM (rx) : ORIGIN = 0x00000000, LENGTH = 0x02000000
AnnaBridge 170:e95d10626187 26 BOOT_LOADER (rx) : ORIGIN = BOOT_LOADER_ADDR, LENGTH = BOOT_LOADER_SIZE
AnnaBridge 170:e95d10626187 27 SFLASH (rx) : ORIGIN = SFLASH_ADDR, LENGTH = SFLASH_SIZE
AnnaBridge 170:e95d10626187 28 L_TTB (rw) : ORIGIN = 0x20000000, LENGTH = 0x00004000
AnnaBridge 170:e95d10626187 29 RAM (rwx) : ORIGIN = 0x20020000, LENGTH = 0x008E0000
AnnaBridge 170:e95d10626187 30 RAM_NC (rwx) : ORIGIN = 0x20900000, LENGTH = 0x00100000
Kojto 95:7e07b6fb45cf 31 }
Kojto 95:7e07b6fb45cf 32
Kojto 95:7e07b6fb45cf 33 /* Linker script to place sections and symbol values. Should be used together
Kojto 95:7e07b6fb45cf 34 * with other linker script that defines memory regions FLASH and RAM.
Kojto 95:7e07b6fb45cf 35 * It references following symbols, which must be defined in code:
Kojto 95:7e07b6fb45cf 36 * Reset_Handler : Entry of reset handler
Kojto 95:7e07b6fb45cf 37 *
Kojto 95:7e07b6fb45cf 38 * It defines following symbols, which code can use without definition:
Kojto 95:7e07b6fb45cf 39 * __exidx_start
Kojto 95:7e07b6fb45cf 40 * __exidx_end
Kojto 95:7e07b6fb45cf 41 * __etext
Kojto 95:7e07b6fb45cf 42 * __data_start__
Kojto 95:7e07b6fb45cf 43 * __preinit_array_start
Kojto 95:7e07b6fb45cf 44 * __preinit_array_end
Kojto 95:7e07b6fb45cf 45 * __init_array_start
Kojto 95:7e07b6fb45cf 46 * __init_array_end
Kojto 95:7e07b6fb45cf 47 * __fini_array_start
Kojto 95:7e07b6fb45cf 48 * __fini_array_end
Kojto 95:7e07b6fb45cf 49 * __data_end__
Kojto 95:7e07b6fb45cf 50 * __bss_start__
Kojto 95:7e07b6fb45cf 51 * __bss_end__
Kojto 95:7e07b6fb45cf 52 * __end__
Kojto 95:7e07b6fb45cf 53 * end
Kojto 95:7e07b6fb45cf 54 * __HeapLimit
Kojto 95:7e07b6fb45cf 55 * __StackLimit
Kojto 95:7e07b6fb45cf 56 * __StackTop
Kojto 95:7e07b6fb45cf 57 * __stack
Kojto 95:7e07b6fb45cf 58 */
Kojto 95:7e07b6fb45cf 59 ENTRY(Reset_Handler)
Kojto 95:7e07b6fb45cf 60
Kojto 95:7e07b6fb45cf 61 SECTIONS
Kojto 95:7e07b6fb45cf 62 {
AnnaBridge 170:e95d10626187 63 #if (MBED_APP_START == 0x18000000)
Kojto 95:7e07b6fb45cf 64 .boot :
Kojto 95:7e07b6fb45cf 65 {
Kojto 95:7e07b6fb45cf 66 KEEP(*(.boot_loader))
Kojto 95:7e07b6fb45cf 67 } > BOOT_LOADER
AnnaBridge 170:e95d10626187 68 #endif
Kojto 95:7e07b6fb45cf 69
Kojto 95:7e07b6fb45cf 70 .text :
Kojto 95:7e07b6fb45cf 71 {
Kojto 95:7e07b6fb45cf 72
Kojto 95:7e07b6fb45cf 73 Image$$VECTORS$$Base = .;
Kojto 95:7e07b6fb45cf 74 * (RESET)
Kojto 95:7e07b6fb45cf 75
Kojto 95:7e07b6fb45cf 76 KEEP(*(.isr_vector))
Kojto 95:7e07b6fb45cf 77 *(SVC_TABLE)
Kojto 95:7e07b6fb45cf 78 *(.text*)
Kojto 95:7e07b6fb45cf 79
Kojto 95:7e07b6fb45cf 80 KEEP(*(.init))
Kojto 95:7e07b6fb45cf 81 KEEP(*(.fini))
Kojto 95:7e07b6fb45cf 82
Kojto 95:7e07b6fb45cf 83 /* .ctors */
Kojto 95:7e07b6fb45cf 84 *crtbegin.o(.ctors)
Kojto 95:7e07b6fb45cf 85 *crtbegin?.o(.ctors)
Kojto 95:7e07b6fb45cf 86 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
Kojto 95:7e07b6fb45cf 87 *(SORT(.ctors.*))
Kojto 95:7e07b6fb45cf 88 *(.ctors)
Kojto 95:7e07b6fb45cf 89
Kojto 95:7e07b6fb45cf 90 /* .dtors */
Kojto 95:7e07b6fb45cf 91 *crtbegin.o(.dtors)
Kojto 95:7e07b6fb45cf 92 *crtbegin?.o(.dtors)
Kojto 95:7e07b6fb45cf 93 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
Kojto 95:7e07b6fb45cf 94 *(SORT(.dtors.*))
Kojto 95:7e07b6fb45cf 95 *(.dtors)
Anna Bridge 160:5571c4ff569f 96 Image$$VECTORS$$Limit = .;
Kojto 95:7e07b6fb45cf 97
Kojto 95:7e07b6fb45cf 98 Image$$RO_DATA$$Base = .;
Kojto 95:7e07b6fb45cf 99 *(.rodata*)
Kojto 95:7e07b6fb45cf 100 Image$$RO_DATA$$Limit = .;
Kojto 95:7e07b6fb45cf 101
Kojto 95:7e07b6fb45cf 102 KEEP(*(.eh_frame*))
Kojto 95:7e07b6fb45cf 103 } > SFLASH
Kojto 95:7e07b6fb45cf 104
Kojto 95:7e07b6fb45cf 105 .ARM.extab :
Kojto 95:7e07b6fb45cf 106 {
Kojto 95:7e07b6fb45cf 107 *(.ARM.extab* .gnu.linkonce.armextab.*)
Kojto 95:7e07b6fb45cf 108 } > SFLASH
Kojto 95:7e07b6fb45cf 109
Kojto 95:7e07b6fb45cf 110 __exidx_start = .;
Kojto 95:7e07b6fb45cf 111 .ARM.exidx :
Kojto 95:7e07b6fb45cf 112 {
Kojto 95:7e07b6fb45cf 113 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
Kojto 95:7e07b6fb45cf 114 } > SFLASH
Kojto 95:7e07b6fb45cf 115 __exidx_end = .;
Kojto 95:7e07b6fb45cf 116
Kojto 95:7e07b6fb45cf 117
Kojto 95:7e07b6fb45cf 118 .copy.table :
Kojto 95:7e07b6fb45cf 119 {
AnnaBridge 171:3a7713b1edbc 120 . = ALIGN(8);
Kojto 95:7e07b6fb45cf 121 __copy_table_start__ = .;
Kojto 95:7e07b6fb45cf 122 LONG (__etext)
Kojto 95:7e07b6fb45cf 123 LONG (__data_start__)
Kojto 95:7e07b6fb45cf 124 LONG (__data_end__ - __data_start__)
Kojto 95:7e07b6fb45cf 125 LONG (__etext2)
Kojto 95:7e07b6fb45cf 126 LONG (__nc_data_start)
Kojto 95:7e07b6fb45cf 127 LONG (__nc_data_end - __nc_data_start)
AnnaBridge 170:e95d10626187 128 LONG (LOADADDR(.ram_code))
AnnaBridge 170:e95d10626187 129 LONG (ADDR(.ram_code))
AnnaBridge 170:e95d10626187 130 LONG (SIZEOF(.ram_code))
Kojto 95:7e07b6fb45cf 131 __copy_table_end__ = .;
Kojto 95:7e07b6fb45cf 132 } > SFLASH
Kojto 95:7e07b6fb45cf 133
Kojto 95:7e07b6fb45cf 134 .zero.table :
Kojto 95:7e07b6fb45cf 135 {
AnnaBridge 171:3a7713b1edbc 136 . = ALIGN(8);
Kojto 95:7e07b6fb45cf 137 __zero_table_start__ = .;
Kojto 95:7e07b6fb45cf 138 LONG (__bss_start__)
Kojto 95:7e07b6fb45cf 139 LONG (__bss_end__ - __bss_start__)
Kojto 95:7e07b6fb45cf 140 LONG (__nc_bss_start)
Kojto 95:7e07b6fb45cf 141 LONG (__nc_bss_end - __nc_bss_start)
Kojto 95:7e07b6fb45cf 142 __zero_table_end__ = .;
Kojto 95:7e07b6fb45cf 143 } > SFLASH
Kojto 95:7e07b6fb45cf 144
AnnaBridge 171:3a7713b1edbc 145 .ram_code : ALIGN( 0x8 ) {
AnnaBridge 170:e95d10626187 146 __ram_code_load = .;
AnnaBridge 170:e95d10626187 147 __ram_code_start = LOADADDR(.ram_code) + ( __ram_code_load - ADDR(.ram_code) );
AnnaBridge 170:e95d10626187 148
AnnaBridge 170:e95d10626187 149 *(RAM_CODE)
AnnaBridge 170:e95d10626187 150
AnnaBridge 170:e95d10626187 151 *(RAM_CONST)
AnnaBridge 170:e95d10626187 152
AnnaBridge 171:3a7713b1edbc 153 . = ALIGN( 0x8 );
AnnaBridge 170:e95d10626187 154 __ram_code_end = LOADADDR(.ram_code) + ( . - ADDR(.ram_code) );
AnnaBridge 170:e95d10626187 155 } > RAM AT > SFLASH
AnnaBridge 170:e95d10626187 156
AnnaBridge 170:e95d10626187 157 Load$$SEC_RAM_CODE$$Base = LOADADDR(.ram_code);
AnnaBridge 170:e95d10626187 158 Image$$SEC_RAM_CODE$$Base = ADDR(.ram_code);
AnnaBridge 170:e95d10626187 159 Load$$SEC_RAM_CODE$$Length = SIZEOF(.ram_code);
AnnaBridge 170:e95d10626187 160
Kojto 95:7e07b6fb45cf 161 .ttb :
Kojto 95:7e07b6fb45cf 162 {
Kojto 95:7e07b6fb45cf 163 Image$$TTB$$ZI$$Base = .;
Kojto 95:7e07b6fb45cf 164 . += 0x00004000;
Kojto 95:7e07b6fb45cf 165 Image$$TTB$$ZI$$Limit = .;
Kojto 95:7e07b6fb45cf 166 } > L_TTB
Kojto 95:7e07b6fb45cf 167
AnnaBridge 170:e95d10626187 168 __etext = Load$$SEC_RAM_CODE$$Base + SIZEOF(.ram_code);
AnnaBridge 170:e95d10626187 169
Kojto 95:7e07b6fb45cf 170 .data : AT (__etext)
Kojto 95:7e07b6fb45cf 171 {
Kojto 95:7e07b6fb45cf 172 Image$$RW_DATA$$Base = .;
Kojto 95:7e07b6fb45cf 173 __data_start__ = .;
Kojto 95:7e07b6fb45cf 174 *(vtable)
Kojto 95:7e07b6fb45cf 175 *(.data*)
Kojto 95:7e07b6fb45cf 176 Image$$RW_DATA$$Limit = .;
Kojto 95:7e07b6fb45cf 177
AnnaBridge 171:3a7713b1edbc 178 . = ALIGN(8);
Kojto 95:7e07b6fb45cf 179 /* preinit data */
Kojto 95:7e07b6fb45cf 180 PROVIDE (__preinit_array_start = .);
Kojto 95:7e07b6fb45cf 181 KEEP(*(.preinit_array))
Kojto 95:7e07b6fb45cf 182 PROVIDE (__preinit_array_end = .);
Kojto 95:7e07b6fb45cf 183
AnnaBridge 171:3a7713b1edbc 184 . = ALIGN(8);
Kojto 95:7e07b6fb45cf 185 /* init data */
Kojto 95:7e07b6fb45cf 186 PROVIDE (__init_array_start = .);
Kojto 95:7e07b6fb45cf 187 KEEP(*(SORT(.init_array.*)))
Kojto 95:7e07b6fb45cf 188 KEEP(*(.init_array))
Kojto 95:7e07b6fb45cf 189 PROVIDE (__init_array_end = .);
Kojto 95:7e07b6fb45cf 190
Kojto 95:7e07b6fb45cf 191
AnnaBridge 171:3a7713b1edbc 192 . = ALIGN(8);
Kojto 95:7e07b6fb45cf 193 /* finit data */
Kojto 95:7e07b6fb45cf 194 PROVIDE (__fini_array_start = .);
Kojto 95:7e07b6fb45cf 195 KEEP(*(SORT(.fini_array.*)))
Kojto 95:7e07b6fb45cf 196 KEEP(*(.fini_array))
Kojto 95:7e07b6fb45cf 197 PROVIDE (__fini_array_end = .);
Kojto 95:7e07b6fb45cf 198
AnnaBridge 171:3a7713b1edbc 199 . = ALIGN(8);
Kojto 95:7e07b6fb45cf 200 /* All data end */
Kojto 95:7e07b6fb45cf 201 __data_end__ = .;
Kojto 95:7e07b6fb45cf 202
Kojto 95:7e07b6fb45cf 203 } > RAM
Kojto 95:7e07b6fb45cf 204
Anna Bridge 160:5571c4ff569f 205 .bss ALIGN(0x10):
Kojto 95:7e07b6fb45cf 206 {
Anna Bridge 160:5571c4ff569f 207 Image$$RW_IRAM1$$Base = .;
Kojto 95:7e07b6fb45cf 208 __bss_start__ = .;
Kojto 95:7e07b6fb45cf 209 *(.bss*)
Kojto 95:7e07b6fb45cf 210 *(COMMON)
Kojto 95:7e07b6fb45cf 211 __bss_end__ = .;
Anna Bridge 160:5571c4ff569f 212 Image$$RW_IRAM1$$Limit = .;
Kojto 95:7e07b6fb45cf 213 } > RAM
Kojto 95:7e07b6fb45cf 214
Kojto 95:7e07b6fb45cf 215 .heap :
Kojto 95:7e07b6fb45cf 216 {
Kojto 95:7e07b6fb45cf 217 __end__ = .;
Kojto 95:7e07b6fb45cf 218 end = __end__;
Kojto 95:7e07b6fb45cf 219 *(.heap*)
Kojto 95:7e07b6fb45cf 220 } > RAM
Kojto 95:7e07b6fb45cf 221
Kojto 95:7e07b6fb45cf 222 /* .stack_dummy section doesn't contains any symbols. It is only
Kojto 95:7e07b6fb45cf 223 * used for linker to calculate size of stack sections, and assign
Kojto 95:7e07b6fb45cf 224 * values to stack symbols later */
Anna Bridge 160:5571c4ff569f 225 .stack_dummy (COPY):
Kojto 95:7e07b6fb45cf 226 {
Anna Bridge 160:5571c4ff569f 227 *(.stack*)
Kojto 95:7e07b6fb45cf 228 } > RAM
Kojto 95:7e07b6fb45cf 229
Anna Bridge 160:5571c4ff569f 230 /* Set stack top to end of RAM, and stack limit move down by
Anna Bridge 160:5571c4ff569f 231 * size of stack_dummy section */
Anna Bridge 160:5571c4ff569f 232 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
Anna Bridge 160:5571c4ff569f 233 _estack = __StackTop;
Anna Bridge 160:5571c4ff569f 234 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
Anna Bridge 160:5571c4ff569f 235 __HeapLimit = __StackLimit;
Anna Bridge 160:5571c4ff569f 236 PROVIDE(__stack = __StackTop);
Anna Bridge 160:5571c4ff569f 237
Anna Bridge 160:5571c4ff569f 238 /* Check if data + heap + stack exceeds RAM limit */
Anna Bridge 160:5571c4ff569f 239 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
Anna Bridge 160:5571c4ff569f 240
Kojto 95:7e07b6fb45cf 241 __etext2 = __etext + SIZEOF(.data);
Kojto 95:7e07b6fb45cf 242 .nc_data : AT (__etext2)
Kojto 95:7e07b6fb45cf 243 {
Kojto 95:7e07b6fb45cf 244 Image$$RW_DATA_NC$$Base = .;
Kojto 95:7e07b6fb45cf 245 __nc_data_start = .;
Kojto 95:7e07b6fb45cf 246 *(NC_DATA)
Kojto 95:7e07b6fb45cf 247
AnnaBridge 171:3a7713b1edbc 248 . = ALIGN(8);
Kojto 95:7e07b6fb45cf 249 __nc_data_end = .;
Kojto 95:7e07b6fb45cf 250 Image$$RW_DATA_NC$$Limit = .;
Kojto 95:7e07b6fb45cf 251 } > RAM_NC
Kojto 95:7e07b6fb45cf 252
Kojto 95:7e07b6fb45cf 253 .nc_bss (NOLOAD) :
Kojto 95:7e07b6fb45cf 254 {
Kojto 95:7e07b6fb45cf 255 Image$$ZI_DATA_NC$$Base = .;
Kojto 95:7e07b6fb45cf 256 __nc_bss_start = .;
Kojto 95:7e07b6fb45cf 257 *(NC_BSS)
Kojto 95:7e07b6fb45cf 258
AnnaBridge 171:3a7713b1edbc 259 . = ALIGN(8);
Kojto 95:7e07b6fb45cf 260 __nc_bss_end = .;
Kojto 95:7e07b6fb45cf 261 Image$$ZI_DATA_NC$$Limit = .;
Kojto 95:7e07b6fb45cf 262 } > RAM_NC
Kojto 95:7e07b6fb45cf 263 }