Tushar Sachdeva / FRDM_K64F_LCD

A simple 128x32 graphical LCD program to quickstart with LCD on ARM mbed IoT Starter Kit. This requires mbed Applciation Shield with FRDM-K64F platform.

Dependencies:   C12832

mbed/TARGET_RZ_A1H/TOOLCHAIN_GCC_ARM/RZA1H.ld@1:eb68c94a8ee5, 2015-04-12 (annotated)

Committer:
tushki7
Date:
Sun Apr 12 15:45:52 2015 +0000
Revision:
1:eb68c94a8ee5
Parent:
0:60d829a0353a 
A simple 128x32 LCD program with ARM mbed IoT Starter Kit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tushki7 0:60d829a0353a 1 /* Linker script for mbed RZ_A1H */
tushki7 0:60d829a0353a 2
tushki7 0:60d829a0353a 3 /* Linker script to configure memory regions. */
tushki7 0:60d829a0353a 4 MEMORY
tushki7 0:60d829a0353a 5 {
tushki7 0:60d829a0353a 6 ROM (rx) : ORIGIN = 0x00000000, LENGTH = 0x02000000
tushki7 0:60d829a0353a 7 BOOT_LOADER (rx) : ORIGIN = 0x18000000, LENGTH = 0x00004000
tushki7 0:60d829a0353a 8 SFLASH (rx) : ORIGIN = 0x18004000, LENGTH = 0x07FFC000
tushki7 0:60d829a0353a 9 L_TTB (rw) : ORIGIN = 0x20000000, LENGTH = 0x00004000
tushki7 0:60d829a0353a 10 RAM (rwx) : ORIGIN = 0x20020000, LENGTH = 0x00700000
tushki7 0:60d829a0353a 11 RAM_NC (rwx) : ORIGIN = 0x20900000, LENGTH = 0x00100000
tushki7 0:60d829a0353a 12 }
tushki7 0:60d829a0353a 13
tushki7 0:60d829a0353a 14 /* Linker script to place sections and symbol values. Should be used together
tushki7 0:60d829a0353a 15 * with other linker script that defines memory regions FLASH and RAM.
tushki7 0:60d829a0353a 16 * It references following symbols, which must be defined in code:
tushki7 0:60d829a0353a 17 * Reset_Handler : Entry of reset handler
tushki7 0:60d829a0353a 18 *
tushki7 0:60d829a0353a 19 * It defines following symbols, which code can use without definition:
tushki7 0:60d829a0353a 20 * __exidx_start
tushki7 0:60d829a0353a 21 * __exidx_end
tushki7 0:60d829a0353a 22 * __etext
tushki7 0:60d829a0353a 23 * __data_start__
tushki7 0:60d829a0353a 24 * __preinit_array_start
tushki7 0:60d829a0353a 25 * __preinit_array_end
tushki7 0:60d829a0353a 26 * __init_array_start
tushki7 0:60d829a0353a 27 * __init_array_end
tushki7 0:60d829a0353a 28 * __fini_array_start
tushki7 0:60d829a0353a 29 * __fini_array_end
tushki7 0:60d829a0353a 30 * __data_end__
tushki7 0:60d829a0353a 31 * __bss_start__
tushki7 0:60d829a0353a 32 * __bss_end__
tushki7 0:60d829a0353a 33 * __end__
tushki7 0:60d829a0353a 34 * end
tushki7 0:60d829a0353a 35 * __HeapLimit
tushki7 0:60d829a0353a 36 * __StackLimit
tushki7 0:60d829a0353a 37 * __StackTop
tushki7 0:60d829a0353a 38 * __stack
tushki7 0:60d829a0353a 39 */
tushki7 0:60d829a0353a 40 ENTRY(Reset_Handler)
tushki7 0:60d829a0353a 41
tushki7 0:60d829a0353a 42 SECTIONS
tushki7 0:60d829a0353a 43 {
tushki7 0:60d829a0353a 44 .boot :
tushki7 0:60d829a0353a 45 {
tushki7 0:60d829a0353a 46 KEEP(*(.boot_loader))
tushki7 0:60d829a0353a 47 } > BOOT_LOADER
tushki7 0:60d829a0353a 48
tushki7 0:60d829a0353a 49 .text :
tushki7 0:60d829a0353a 50 {
tushki7 0:60d829a0353a 51
tushki7 0:60d829a0353a 52 Image$$VECTORS$$Base = .;
tushki7 0:60d829a0353a 53 * (RESET)
tushki7 0:60d829a0353a 54 Image$$VECTORS$$Limit = .;
tushki7 0:60d829a0353a 55 . += 0x00000400;
tushki7 0:60d829a0353a 56
tushki7 0:60d829a0353a 57 KEEP(*(.isr_vector))
tushki7 0:60d829a0353a 58 *(SVC_TABLE)
tushki7 0:60d829a0353a 59 *(.text*)
tushki7 0:60d829a0353a 60
tushki7 0:60d829a0353a 61 KEEP(*(.init))
tushki7 0:60d829a0353a 62 KEEP(*(.fini))
tushki7 0:60d829a0353a 63
tushki7 0:60d829a0353a 64 /* .ctors */
tushki7 0:60d829a0353a 65 *crtbegin.o(.ctors)
tushki7 0:60d829a0353a 66 *crtbegin?.o(.ctors)
tushki7 0:60d829a0353a 67 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
tushki7 0:60d829a0353a 68 *(SORT(.ctors.*))
tushki7 0:60d829a0353a 69 *(.ctors)
tushki7 0:60d829a0353a 70
tushki7 0:60d829a0353a 71 /* .dtors */
tushki7 0:60d829a0353a 72 *crtbegin.o(.dtors)
tushki7 0:60d829a0353a 73 *crtbegin?.o(.dtors)
tushki7 0:60d829a0353a 74 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
tushki7 0:60d829a0353a 75 *(SORT(.dtors.*))
tushki7 0:60d829a0353a 76 *(.dtors)
tushki7 0:60d829a0353a 77
tushki7 0:60d829a0353a 78 Image$$RO_DATA$$Base = .;
tushki7 0:60d829a0353a 79 *(.rodata*)
tushki7 0:60d829a0353a 80 Image$$RO_DATA$$Limit = .;
tushki7 0:60d829a0353a 81
tushki7 0:60d829a0353a 82 KEEP(*(.eh_frame*))
tushki7 0:60d829a0353a 83 } > SFLASH
tushki7 0:60d829a0353a 84
tushki7 0:60d829a0353a 85 .ARM.extab :
tushki7 0:60d829a0353a 86 {
tushki7 0:60d829a0353a 87 *(.ARM.extab* .gnu.linkonce.armextab.*)
tushki7 0:60d829a0353a 88 } > SFLASH
tushki7 0:60d829a0353a 89
tushki7 0:60d829a0353a 90 __exidx_start = .;
tushki7 0:60d829a0353a 91 .ARM.exidx :
tushki7 0:60d829a0353a 92 {
tushki7 0:60d829a0353a 93 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
tushki7 0:60d829a0353a 94 } > SFLASH
tushki7 0:60d829a0353a 95 __exidx_end = .;
tushki7 0:60d829a0353a 96
tushki7 0:60d829a0353a 97
tushki7 0:60d829a0353a 98 .copy.table :
tushki7 0:60d829a0353a 99 {
tushki7 0:60d829a0353a 100 . = ALIGN(4);
tushki7 0:60d829a0353a 101 __copy_table_start__ = .;
tushki7 0:60d829a0353a 102 LONG (__etext)
tushki7 0:60d829a0353a 103 LONG (__data_start__)
tushki7 0:60d829a0353a 104 LONG (__data_end__ - __data_start__)
tushki7 0:60d829a0353a 105 LONG (__etext2)
tushki7 0:60d829a0353a 106 LONG (__nc_data_start)
tushki7 0:60d829a0353a 107 LONG (__nc_data_end - __nc_data_start)
tushki7 0:60d829a0353a 108 __copy_table_end__ = .;
tushki7 0:60d829a0353a 109 } > SFLASH
tushki7 0:60d829a0353a 110
tushki7 0:60d829a0353a 111 .zero.table :
tushki7 0:60d829a0353a 112 {
tushki7 0:60d829a0353a 113 . = ALIGN(4);
tushki7 0:60d829a0353a 114 __zero_table_start__ = .;
tushki7 0:60d829a0353a 115 LONG (__bss_start__)
tushki7 0:60d829a0353a 116 LONG (__bss_end__ - __bss_start__)
tushki7 0:60d829a0353a 117 LONG (__nc_bss_start)
tushki7 0:60d829a0353a 118 LONG (__nc_bss_end - __nc_bss_start)
tushki7 0:60d829a0353a 119 __zero_table_end__ = .;
tushki7 0:60d829a0353a 120 } > SFLASH
tushki7 0:60d829a0353a 121
tushki7 0:60d829a0353a 122 __etext = .;
tushki7 0:60d829a0353a 123
tushki7 0:60d829a0353a 124 .ttb :
tushki7 0:60d829a0353a 125 {
tushki7 0:60d829a0353a 126 Image$$TTB$$ZI$$Base = .;
tushki7 0:60d829a0353a 127 . += 0x00004000;
tushki7 0:60d829a0353a 128 Image$$TTB$$ZI$$Limit = .;
tushki7 0:60d829a0353a 129 } > L_TTB
tushki7 0:60d829a0353a 130
tushki7 0:60d829a0353a 131 .data : AT (__etext)
tushki7 0:60d829a0353a 132 {
tushki7 0:60d829a0353a 133 Image$$RW_DATA$$Base = .;
tushki7 0:60d829a0353a 134 __data_start__ = .;
tushki7 0:60d829a0353a 135 *(vtable)
tushki7 0:60d829a0353a 136 *(.data*)
tushki7 0:60d829a0353a 137 Image$$RW_DATA$$Limit = .;
tushki7 0:60d829a0353a 138
tushki7 0:60d829a0353a 139 . = ALIGN(4);
tushki7 0:60d829a0353a 140 /* preinit data */
tushki7 0:60d829a0353a 141 PROVIDE (__preinit_array_start = .);
tushki7 0:60d829a0353a 142 KEEP(*(.preinit_array))
tushki7 0:60d829a0353a 143 PROVIDE (__preinit_array_end = .);
tushki7 0:60d829a0353a 144
tushki7 0:60d829a0353a 145 . = ALIGN(4);
tushki7 0:60d829a0353a 146 /* init data */
tushki7 0:60d829a0353a 147 PROVIDE (__init_array_start = .);
tushki7 0:60d829a0353a 148 KEEP(*(SORT(.init_array.*)))
tushki7 0:60d829a0353a 149 KEEP(*(.init_array))
tushki7 0:60d829a0353a 150 PROVIDE (__init_array_end = .);
tushki7 0:60d829a0353a 151
tushki7 0:60d829a0353a 152
tushki7 0:60d829a0353a 153 . = ALIGN(4);
tushki7 0:60d829a0353a 154 /* finit data */
tushki7 0:60d829a0353a 155 PROVIDE (__fini_array_start = .);
tushki7 0:60d829a0353a 156 KEEP(*(SORT(.fini_array.*)))
tushki7 0:60d829a0353a 157 KEEP(*(.fini_array))
tushki7 0:60d829a0353a 158 PROVIDE (__fini_array_end = .);
tushki7 0:60d829a0353a 159
tushki7 0:60d829a0353a 160 . = ALIGN(4);
tushki7 0:60d829a0353a 161 /* All data end */
tushki7 0:60d829a0353a 162 __data_end__ = .;
tushki7 0:60d829a0353a 163
tushki7 0:60d829a0353a 164 } > RAM
tushki7 0:60d829a0353a 165
tushki7 0:60d829a0353a 166
tushki7 0:60d829a0353a 167 .bss ALIGN(0x400):
tushki7 0:60d829a0353a 168 {
tushki7 0:60d829a0353a 169 Image$$ZI_DATA$$Base = .;
tushki7 0:60d829a0353a 170 __bss_start__ = .;
tushki7 0:60d829a0353a 171 *(.bss*)
tushki7 0:60d829a0353a 172 *(COMMON)
tushki7 0:60d829a0353a 173 __bss_end__ = .;
tushki7 0:60d829a0353a 174 Image$$ZI_DATA$$Limit = .;
tushki7 0:60d829a0353a 175 } > RAM
tushki7 0:60d829a0353a 176
tushki7 0:60d829a0353a 177
tushki7 0:60d829a0353a 178 .heap :
tushki7 0:60d829a0353a 179 {
tushki7 0:60d829a0353a 180 __end__ = .;
tushki7 0:60d829a0353a 181 end = __end__;
tushki7 0:60d829a0353a 182 *(.heap*)
tushki7 0:60d829a0353a 183 __HeapLimit = .;
tushki7 0:60d829a0353a 184 } > RAM
tushki7 0:60d829a0353a 185
tushki7 0:60d829a0353a 186 /* .stack_dummy section doesn't contains any symbols. It is only
tushki7 0:60d829a0353a 187 * used for linker to calculate size of stack sections, and assign
tushki7 0:60d829a0353a 188 * values to stack symbols later */
tushki7 0:60d829a0353a 189 .stack_dummy :
tushki7 0:60d829a0353a 190 {
tushki7 0:60d829a0353a 191 *(.stack)
tushki7 0:60d829a0353a 192 } > RAM
tushki7 0:60d829a0353a 193
tushki7 0:60d829a0353a 194 __etext2 = __etext + SIZEOF(.data);
tushki7 0:60d829a0353a 195 .nc_data : AT (__etext2)
tushki7 0:60d829a0353a 196 {
tushki7 0:60d829a0353a 197 Image$$RW_DATA_NC$$Base = .;
tushki7 0:60d829a0353a 198 __nc_data_start = .;
tushki7 0:60d829a0353a 199 *(NC_DATA)
tushki7 0:60d829a0353a 200
tushki7 0:60d829a0353a 201 . = ALIGN(4);
tushki7 0:60d829a0353a 202 __nc_data_end = .;
tushki7 0:60d829a0353a 203 Image$$RW_DATA_NC$$Limit = .;
tushki7 0:60d829a0353a 204 } > RAM_NC
tushki7 0:60d829a0353a 205
tushki7 0:60d829a0353a 206 .nc_bss (NOLOAD) :
tushki7 0:60d829a0353a 207 {
tushki7 0:60d829a0353a 208 Image$$ZI_DATA_NC$$Base = .;
tushki7 0:60d829a0353a 209 __nc_bss_start = .;
tushki7 0:60d829a0353a 210 *(NC_BSS)
tushki7 0:60d829a0353a 211
tushki7 0:60d829a0353a 212 . = ALIGN(4);
tushki7 0:60d829a0353a 213 __nc_bss_end = .;
tushki7 0:60d829a0353a 214 Image$$ZI_DATA_NC$$Limit = .;
tushki7 0:60d829a0353a 215 } > RAM_NC
tushki7 0:60d829a0353a 216
tushki7 0:60d829a0353a 217 /* Set stack top to end of RAM, and stack limit move down by
tushki7 0:60d829a0353a 218 * size of stack_dummy section */
tushki7 0:60d829a0353a 219 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
tushki7 0:60d829a0353a 220 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
tushki7 0:60d829a0353a 221 PROVIDE(__stack = __StackTop);
tushki7 0:60d829a0353a 222
tushki7 0:60d829a0353a 223 /* Check if data + heap + stack exceeds RAM limit */
tushki7 0:60d829a0353a 224 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
tushki7 0:60d829a0353a 225
tushki7 0:60d829a0353a 226
tushki7 0:60d829a0353a 227 }