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Commit | Line | Data |
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bd20f8f4 | 1 | /* |
2 | ----------------------------------------------------------------------------- | |
e335ca28 | 3 | This code is licensed to you under the ter |
4 | ms of the GNU GPL, version 2 or, | |
bd20f8f4 | 5 | at your option, any later version. See the LICENSE.txt file for the text of |
6 | the license. | |
7 | ----------------------------------------------------------------------------- | |
8 | Common linker script | |
9 | ----------------------------------------------------------------------------- | |
10 | */ | |
11 | ||
2bfed17d | 12 | /* AT91SAM7S256 has 256k Flash and 64k RAM */ |
13 | MEMORY | |
14 | { | |
845ea63b | 15 | bootphase1 : ORIGIN = 0x00100000, LENGTH = 0x200 /* Phase 1 bootloader: Copies real bootloader to RAM */ |
16 | bootphase2 : ORIGIN = 0x00100200, LENGTH = 0x2000 - 0x200 /* Main bootloader code, stored in Flash, executed from RAM */ | |
e335ca28 | 17 | osimage : ORIGIN = 0x00102000, LENGTH = 256K - 0x2000 /* Place where the main OS will end up */ |
845ea63b | 18 | ram : ORIGIN = 0x00200000, LENGTH = 64K - 0x20 /* RAM, minus small common area */ |
19 | commonarea : ORIGIN = 0x00200000 + 64K - 0x20, LENGTH = 0x20 /* Communication between bootloader and main OS */ | |
2bfed17d | 20 | } |
21 | ||
4271e82d | 22 | /* Export some information that can be used from within the firmware */ |
23 | _bootphase1_version_pointer = ORIGIN(bootphase1) + LENGTH(bootphase1) - 0x4; | |
e3ae0257 | 24 | _osimage_entry = ORIGIN(osimage); |
8fcbf652 | 25 | _bootrom_start = ORIGIN(bootphase1); |
26 | _bootrom_end = ORIGIN(bootphase2) + LENGTH(bootphase2); | |
4271e82d | 27 | _flash_start = ORIGIN(bootphase1); |
e3ae0257 | 28 | _flash_end = ORIGIN(osimage) + LENGTH(osimage); |
29 | _stack_end = ORIGIN(ram) + LENGTH(ram) - 8; |