Sertel_Srinath Gopalan / TARGET_LPC1768i2c

myi2c test

TOOLCHAIN_GCC_CS/LPC1768.ld@0:559a8e4aab60, 2015-06-29 (annotated)

Committer:
mrsoundhar
Date:
Mon Jun 29 12:59:52 2015 +0000
Revision:
0:559a8e4aab60
i2c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mrsoundhar 0:559a8e4aab60 1 /* Linker script for mbed LPC1768
mrsoundhar 0:559a8e4aab60 2 *
mrsoundhar 0:559a8e4aab60 3 * Version:CodeSourcery Sourcery G++ Lite 2007q3-53
mrsoundhar 0:559a8e4aab60 4 * BugURL:https://support.codesourcery.com/GNUToolchain/
mrsoundhar 0:559a8e4aab60 5 *
mrsoundhar 0:559a8e4aab60 6 * Copyright 2007 CodeSourcery.
mrsoundhar 0:559a8e4aab60 7 *
mrsoundhar 0:559a8e4aab60 8 * The authors hereby grant permission to use, copy, modify, distribute,
mrsoundhar 0:559a8e4aab60 9 * and license this software and its documentation for any purpose, provided
mrsoundhar 0:559a8e4aab60 10 * that existing copyright notices are retained in all copies and that this
mrsoundhar 0:559a8e4aab60 11 * notice is included verbatim in any distributions. No written agreement,
mrsoundhar 0:559a8e4aab60 12 * license, or royalty fee is required for any of the authorized uses.
mrsoundhar 0:559a8e4aab60 13 * Modifications to this software may be copyrighted by their authors
mrsoundhar 0:559a8e4aab60 14 * and need not follow the licensing terms described here, provided that
mrsoundhar 0:559a8e4aab60 15 * the new terms are clearly indicated on the first page of each file where
mrsoundhar 0:559a8e4aab60 16 * they apply. */
mrsoundhar 0:559a8e4aab60 17 OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
mrsoundhar 0:559a8e4aab60 18 ENTRY(__cs3_reset_cortex_m)
mrsoundhar 0:559a8e4aab60 19 SEARCH_DIR(.)
mrsoundhar 0:559a8e4aab60 20
mrsoundhar 0:559a8e4aab60 21 /*
mrsoundhar 0:559a8e4aab60 22 ram ORIGIN: 8_byte_aligned(49 vect * 4 bytes) = 8_byte_aligned(0xC4) = 0xC8
mrsoundhar 0:559a8e4aab60 23 ram LENGTH: 32KB - 0xC8 = 0x7F38
mrsoundhar 0:559a8e4aab60 24 */
mrsoundhar 0:559a8e4aab60 25 MEMORY
mrsoundhar 0:559a8e4aab60 26 {
mrsoundhar 0:559a8e4aab60 27 rom (rx) : ORIGIN = 0x00000000, LENGTH = 512K
mrsoundhar 0:559a8e4aab60 28
mrsoundhar 0:559a8e4aab60 29 ram (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F38
mrsoundhar 0:559a8e4aab60 30
mrsoundhar 0:559a8e4aab60 31 ram1(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K
mrsoundhar 0:559a8e4aab60 32 ram2(rwx) : ORIGIN = 0x20080000, LENGTH = 16K
mrsoundhar 0:559a8e4aab60 33 }
mrsoundhar 0:559a8e4aab60 34
mrsoundhar 0:559a8e4aab60 35 /* These force the linker to search for particular symbols from
mrsoundhar 0:559a8e4aab60 36 * the start of the link process and thus ensure the user's
mrsoundhar 0:559a8e4aab60 37 * overrides are picked up
mrsoundhar 0:559a8e4aab60 38 */
mrsoundhar 0:559a8e4aab60 39 EXTERN(__cs3_reset_cortex_m)
mrsoundhar 0:559a8e4aab60 40 EXTERN(__cs3_interrupt_vector_cortex_m)
mrsoundhar 0:559a8e4aab60 41 EXTERN(__cs3_start_c main __cs3_stack __cs3_stack_size __cs3_heap_end)
mrsoundhar 0:559a8e4aab60 42
mrsoundhar 0:559a8e4aab60 43 PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
mrsoundhar 0:559a8e4aab60 44 PROVIDE(__cs3_stack_size = __cs3_region_start_ram + __cs3_region_size_ram - _end);
mrsoundhar 0:559a8e4aab60 45 PROVIDE(__cs3_heap_start = _end);
mrsoundhar 0:559a8e4aab60 46 PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);
mrsoundhar 0:559a8e4aab60 47
mrsoundhar 0:559a8e4aab60 48 SECTIONS
mrsoundhar 0:559a8e4aab60 49 {
mrsoundhar 0:559a8e4aab60 50 .text :
mrsoundhar 0:559a8e4aab60 51 {
mrsoundhar 0:559a8e4aab60 52 CREATE_OBJECT_SYMBOLS
mrsoundhar 0:559a8e4aab60 53 __cs3_region_start_rom = .;
mrsoundhar 0:559a8e4aab60 54 *(.cs3.region-head.rom)
mrsoundhar 0:559a8e4aab60 55 __cs3_interrupt_vector = __cs3_interrupt_vector_cortex_m;
mrsoundhar 0:559a8e4aab60 56 *(.cs3.interrupt_vector)
mrsoundhar 0:559a8e4aab60 57 /* Make sure we pulled in an interrupt vector. */
mrsoundhar 0:559a8e4aab60 58 ASSERT (. != __cs3_interrupt_vector_cortex_m, "No interrupt vector");
mrsoundhar 0:559a8e4aab60 59 *(.rom)
mrsoundhar 0:559a8e4aab60 60 *(.rom.b)
mrsoundhar 0:559a8e4aab60 61
mrsoundhar 0:559a8e4aab60 62 __cs3_reset = __cs3_reset_cortex_m;
mrsoundhar 0:559a8e4aab60 63 *(.cs3.reset)
mrsoundhar 0:559a8e4aab60 64 /* Make sure we pulled in some reset code. */
mrsoundhar 0:559a8e4aab60 65 ASSERT (. != __cs3_reset, "No reset code");
mrsoundhar 0:559a8e4aab60 66
mrsoundhar 0:559a8e4aab60 67 *(.text .text.* .gnu.linkonce.t.*)
mrsoundhar 0:559a8e4aab60 68 *(.plt)
mrsoundhar 0:559a8e4aab60 69 *(.gnu.warning)
mrsoundhar 0:559a8e4aab60 70 *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
mrsoundhar 0:559a8e4aab60 71
mrsoundhar 0:559a8e4aab60 72 *(.rodata .rodata.* .gnu.linkonce.r.*)
mrsoundhar 0:559a8e4aab60 73
mrsoundhar 0:559a8e4aab60 74 *(.ARM.extab* .gnu.linkonce.armextab.*)
mrsoundhar 0:559a8e4aab60 75 *(.gcc_except_table)
mrsoundhar 0:559a8e4aab60 76 *(.eh_frame_hdr)
mrsoundhar 0:559a8e4aab60 77 *(.eh_frame)
mrsoundhar 0:559a8e4aab60 78
mrsoundhar 0:559a8e4aab60 79 . = ALIGN(4);
mrsoundhar 0:559a8e4aab60 80 KEEP(*(.init))
mrsoundhar 0:559a8e4aab60 81
mrsoundhar 0:559a8e4aab60 82 . = ALIGN(4);
mrsoundhar 0:559a8e4aab60 83 __preinit_array_start = .;
mrsoundhar 0:559a8e4aab60 84 KEEP (*(.preinit_array))
mrsoundhar 0:559a8e4aab60 85 __preinit_array_end = .;
mrsoundhar 0:559a8e4aab60 86
mrsoundhar 0:559a8e4aab60 87 . = ALIGN(4);
mrsoundhar 0:559a8e4aab60 88 __init_array_start = .;
mrsoundhar 0:559a8e4aab60 89 KEEP (*(SORT(.init_array.*)))
mrsoundhar 0:559a8e4aab60 90 KEEP (*(.init_array))
mrsoundhar 0:559a8e4aab60 91 __init_array_end = .;
mrsoundhar 0:559a8e4aab60 92
mrsoundhar 0:559a8e4aab60 93 . = ALIGN(0x4);
mrsoundhar 0:559a8e4aab60 94 KEEP (*crtbegin.o(.ctors))
mrsoundhar 0:559a8e4aab60 95 KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
mrsoundhar 0:559a8e4aab60 96 KEEP (*(SORT(.ctors.*)))
mrsoundhar 0:559a8e4aab60 97 KEEP (*crtend.o(.ctors))
mrsoundhar 0:559a8e4aab60 98
mrsoundhar 0:559a8e4aab60 99 . = ALIGN(4);
mrsoundhar 0:559a8e4aab60 100 KEEP(*(.fini))
mrsoundhar 0:559a8e4aab60 101
mrsoundhar 0:559a8e4aab60 102 . = ALIGN(4);
mrsoundhar 0:559a8e4aab60 103 __fini_array_start = .;
mrsoundhar 0:559a8e4aab60 104 KEEP (*(.fini_array))
mrsoundhar 0:559a8e4aab60 105 KEEP (*(SORT(.fini_array.*)))
mrsoundhar 0:559a8e4aab60 106 __fini_array_end = .;
mrsoundhar 0:559a8e4aab60 107
mrsoundhar 0:559a8e4aab60 108 KEEP (*crtbegin.o(.dtors))
mrsoundhar 0:559a8e4aab60 109 KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
mrsoundhar 0:559a8e4aab60 110 KEEP (*(SORT(.dtors.*)))
mrsoundhar 0:559a8e4aab60 111 KEEP (*crtend.o(.dtors))
mrsoundhar 0:559a8e4aab60 112
mrsoundhar 0:559a8e4aab60 113 . = ALIGN(4);
mrsoundhar 0:559a8e4aab60 114 __cs3_regions = .;
mrsoundhar 0:559a8e4aab60 115 LONG (0)
mrsoundhar 0:559a8e4aab60 116 LONG (__cs3_region_init_ram)
mrsoundhar 0:559a8e4aab60 117 LONG (__cs3_region_start_ram)
mrsoundhar 0:559a8e4aab60 118 LONG (__cs3_region_init_size_ram)
mrsoundhar 0:559a8e4aab60 119 LONG (__cs3_region_zero_size_ram)
mrsoundhar 0:559a8e4aab60 120 }
mrsoundhar 0:559a8e4aab60 121
mrsoundhar 0:559a8e4aab60 122 /* .ARM.exidx is sorted, so has to go in its own output section. */
mrsoundhar 0:559a8e4aab60 123 __exidx_start = .;
mrsoundhar 0:559a8e4aab60 124 .ARM.exidx :
mrsoundhar 0:559a8e4aab60 125 {
mrsoundhar 0:559a8e4aab60 126 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mrsoundhar 0:559a8e4aab60 127 } >rom
mrsoundhar 0:559a8e4aab60 128 __exidx_end = .;
mrsoundhar 0:559a8e4aab60 129 .text.align :
mrsoundhar 0:559a8e4aab60 130 {
mrsoundhar 0:559a8e4aab60 131 . = ALIGN(8);
mrsoundhar 0:559a8e4aab60 132 _etext = .;
mrsoundhar 0:559a8e4aab60 133 } >rom
mrsoundhar 0:559a8e4aab60 134 __cs3_region_size_rom = LENGTH(rom);
mrsoundhar 0:559a8e4aab60 135 __cs3_region_num = 1;
mrsoundhar 0:559a8e4aab60 136
mrsoundhar 0:559a8e4aab60 137 .data :
mrsoundhar 0:559a8e4aab60 138 {
mrsoundhar 0:559a8e4aab60 139 __cs3_region_start_ram = .;
mrsoundhar 0:559a8e4aab60 140 *(.cs3.region-head.ram)
mrsoundhar 0:559a8e4aab60 141 KEEP(*(.jcr))
mrsoundhar 0:559a8e4aab60 142 *(.got.plt) *(.got)
mrsoundhar 0:559a8e4aab60 143 *(.shdata)
mrsoundhar 0:559a8e4aab60 144 *(.data .data.* .gnu.linkonce.d.*)
mrsoundhar 0:559a8e4aab60 145 *(.ram)
mrsoundhar 0:559a8e4aab60 146 . = ALIGN (8);
mrsoundhar 0:559a8e4aab60 147 _edata = .;
mrsoundhar 0:559a8e4aab60 148 } >ram AT>rom
mrsoundhar 0:559a8e4aab60 149 .bss :
mrsoundhar 0:559a8e4aab60 150 {
mrsoundhar 0:559a8e4aab60 151 *(.shbss)
mrsoundhar 0:559a8e4aab60 152 *(.bss .bss.* .gnu.linkonce.b.*)
mrsoundhar 0:559a8e4aab60 153 *(COMMON)
mrsoundhar 0:559a8e4aab60 154 *(.ram.b)
mrsoundhar 0:559a8e4aab60 155 . = ALIGN (8);
mrsoundhar 0:559a8e4aab60 156 _end = .;
mrsoundhar 0:559a8e4aab60 157 __end = .;
mrsoundhar 0:559a8e4aab60 158 } >ram AT>rom
mrsoundhar 0:559a8e4aab60 159 /* This used for USB RAM section */
mrsoundhar 0:559a8e4aab60 160 .usb_ram (NOLOAD):
mrsoundhar 0:559a8e4aab60 161 {
mrsoundhar 0:559a8e4aab60 162 *.o (USB_RAM)
mrsoundhar 0:559a8e4aab60 163 } > ram2
mrsoundhar 0:559a8e4aab60 164 .heap (NOLOAD) :
mrsoundhar 0:559a8e4aab60 165 {
mrsoundhar 0:559a8e4aab60 166 *(.heap)
mrsoundhar 0:559a8e4aab60 167 } >ram
mrsoundhar 0:559a8e4aab60 168 .stack (__cs3_stack - __cs3_stack_size) (NOLOAD):
mrsoundhar 0:559a8e4aab60 169 {
mrsoundhar 0:559a8e4aab60 170 *(.stack)
mrsoundhar 0:559a8e4aab60 171 _estack = .;
mrsoundhar 0:559a8e4aab60 172 PROVIDE(estack = .);
mrsoundhar 0:559a8e4aab60 173 } >ram
mrsoundhar 0:559a8e4aab60 174
mrsoundhar 0:559a8e4aab60 175 __cs3_region_init_ram = LOADADDR (.data);
mrsoundhar 0:559a8e4aab60 176 __cs3_region_init_size_ram = _edata - __cs3_region_start_ram;
mrsoundhar 0:559a8e4aab60 177 __cs3_region_zero_size_ram = _end - _edata;
mrsoundhar 0:559a8e4aab60 178 __cs3_region_size_ram = LENGTH(ram);
mrsoundhar 0:559a8e4aab60 179 __cs3_region_num = 1;
mrsoundhar 0:559a8e4aab60 180
mrsoundhar 0:559a8e4aab60 181 .stab 0 (NOLOAD) : { *(.stab) }
mrsoundhar 0:559a8e4aab60 182 .stabstr 0 (NOLOAD) : { *(.stabstr) }
mrsoundhar 0:559a8e4aab60 183 /* DWARF debug sections.
mrsoundhar 0:559a8e4aab60 184 * Symbols in the DWARF debugging sections are relative to the beginning
mrsoundhar 0:559a8e4aab60 185 * of the section so we begin them at 0. */
mrsoundhar 0:559a8e4aab60 186 /* DWARF 1 */
mrsoundhar 0:559a8e4aab60 187 .debug 0 : { *(.debug) }
mrsoundhar 0:559a8e4aab60 188 .line 0 : { *(.line) }
mrsoundhar 0:559a8e4aab60 189 /* GNU DWARF 1 extensions */
mrsoundhar 0:559a8e4aab60 190 .debug_srcinfo 0 : { *(.debug_srcinfo) }
mrsoundhar 0:559a8e4aab60 191 .debug_sfnames 0 : { *(.debug_sfnames) }
mrsoundhar 0:559a8e4aab60 192 /* DWARF 1.1 and DWARF 2 */
mrsoundhar 0:559a8e4aab60 193 .debug_aranges 0 : { *(.debug_aranges) }
mrsoundhar 0:559a8e4aab60 194 .debug_pubnames 0 : { *(.debug_pubnames) }
mrsoundhar 0:559a8e4aab60 195 /* DWARF 2 */
mrsoundhar 0:559a8e4aab60 196 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
mrsoundhar 0:559a8e4aab60 197 .debug_abbrev 0 : { *(.debug_abbrev) }
mrsoundhar 0:559a8e4aab60 198 .debug_line 0 : { *(.debug_line) }
mrsoundhar 0:559a8e4aab60 199 .debug_frame 0 : { *(.debug_frame) }
mrsoundhar 0:559a8e4aab60 200 .debug_str 0 : { *(.debug_str) }
mrsoundhar 0:559a8e4aab60 201 .debug_loc 0 : { *(.debug_loc) }
mrsoundhar 0:559a8e4aab60 202 .debug_macinfo 0 : { *(.debug_macinfo) }
mrsoundhar 0:559a8e4aab60 203 /* SGI/MIPS DWARF 2 extensions */
mrsoundhar 0:559a8e4aab60 204 .debug_weaknames 0 : { *(.debug_weaknames) }
mrsoundhar 0:559a8e4aab60 205 .debug_funcnames 0 : { *(.debug_funcnames) }
mrsoundhar 0:559a8e4aab60 206 .debug_typenames 0 : { *(.debug_typenames) }
mrsoundhar 0:559a8e4aab60 207 .debug_varnames 0 : { *(.debug_varnames) }
mrsoundhar 0:559a8e4aab60 208
mrsoundhar 0:559a8e4aab60 209 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
mrsoundhar 0:559a8e4aab60 210 .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
mrsoundhar 0:559a8e4aab60 211 /DISCARD/ : { *(.note.GNU-stack) }
mrsoundhar 0:559a8e4aab60 212 }