2 * Copyright © 2018 Keith Packard <keithp@keithp.com>
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 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20 rom (rx) : ORIGIN = 0x08001000, LENGTH = 1M - 4k
21 ram (!w) : ORIGIN = 0x20000000, LENGTH = 256k - 256
22 stack (!w) : ORIGIN = 0x20000000 + 256k - 256, LENGTH = 256
27 EXTERN (stm_interrupt_vector)
34 .interrupt ORIGIN(ram) : AT (ORIGIN(rom)) {
35 __interrupt_start__ = .;
36 __interrupt_rom__ = ORIGIN(rom);
37 *(.interrupt) /* Interrupt vectors */
38 __interrupt_end__ = .;
41 .text ORIGIN(rom) + 0x100 : {
44 /* Ick. What I want is to specify the
45 * addresses of some global constants so
46 * that I can find them across versions
47 * of the application. I can't figure out
48 * how to make gnu ld do that, so instead
49 * we just load the two files that include
50 * these defines in the right order here and
51 * expect things to 'just work'. Don't change
52 * the contents of those files, ok?
54 ao_romconfig.o(.romconfig*)
55 ao_product.o(.romconfig*)
57 *(.text*) /* Executable code */
61 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
65 *(.rodata*) /* Constants */
70 /* Boot data which must live at the start of ram so that
71 * the application and bootloader share the same addresses.
72 * This must be all uninitialized data
81 /* Data -- relocated to RAM, but written to ROM
85 *(.data) /* initialized data */
100 PROVIDE(__stack__ = ORIGIN(stack) + LENGTH(stack));