1 /*-----------------------------------------------------------------------------
2 * Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * See LICENSE.txt for the text of the license.
15 *-----------------------------------------------------------------------------
16 *-----------------------------------------------------------------------------
17 * Common linker script
18 *-----------------------------------------------------------------------------
20 stacksize = DEFINED(stacksize) ? stacksize : 8488;
21 commonareasize = 0x20;
23 /* AT91SAM7S256 has 256k Flash and 64k RAM */
24 /* AT91SAM7S512 has 512k Flash and 64k RAM */
25 /* boot space = 8192bytes (0x2000) */
26 /* osimage space = (512k - 0x2000 == 524288 - 8192 == 516096bytes == 0x7E000 ) */
29 bootphase1 : ORIGIN = 0x00100000, LENGTH = 0x200 /* Phase 1 bootloader: Copies real bootloader to RAM */
30 bootphase2 : ORIGIN = 0x00100200, LENGTH = 0x2000 - 0x200 /* Main bootloader code, stored in Flash, executed from RAM */
31 osimage : ORIGIN = 0x00102000, LENGTH = 512K - 0x2000 /* Place where the main OS will end up */
32 ram : ORIGIN = 0x00200000, LENGTH = 64K - commonareasize /* RAM, minus small common area */
33 stack : ORIGIN = 0x00200000 + 64K - stacksize - commonareasize, LENGTH = stacksize /* Stack */
34 commonarea : ORIGIN = 0x00200000 + 64K - commonareasize, LENGTH = commonareasize /* Communication between bootloader and main OS */
37 /* Export some information that can be used from within the firmware */
38 _bootphase1_version_pointer = ORIGIN(bootphase1) + LENGTH(bootphase1) - 0x4;
39 _osimage_entry = ORIGIN(osimage);
40 _bootrom_start = ORIGIN(bootphase1);
41 _bootrom_end = ORIGIN(bootphase2) + LENGTH(bootphase2);
42 _flash_start = ORIGIN(bootphase1);
43 _flash_end = ORIGIN(osimage) + LENGTH(osimage);
44 _stack_start = ORIGIN(stack);
45 _stack_end = ORIGIN(ram) + LENGTH(ram) - 8;