2 * Copyright © 2012 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 : ORIGIN = 0x08000000, LENGTH = 4K
21 ram : ORIGIN = 0x20000000, LENGTH = 6K
26 EXTERN (stm_interrupt_vector)
35 *(.interrupt) /* Interrupt vectors */
38 .text ORIGIN(rom) + 0x100 : {
39 ao_romconfig.o(.romconfig*)
40 ao_product.o(.romconfig*)
42 *(.text*) /* Executable code */
43 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
44 *(.rodata*) /* Constants */
48 /* Boot data which must live at the start of ram so that
49 * the application and bootloader share the same addresses.
50 * This must be all uninitialized data
52 .boot ORIGIN(ram) + SIZEOF(.interrupt) (NOLOAD) : {
58 /* Functions placed in RAM (required for flashing)
60 * Align to 8 bytes as that's what the ARM likes text
61 * segment alignments to be, and if we don't, then
62 * we end up with a mismatch between the location in
63 * ROM and the desired location in RAM. I don't
64 * entirely understand this, but at least this appears
70 __text_ram_start__ = .;
75 /* Data -- relocated to RAM, but written to ROM.
76 * also aligned to 8 bytes in case textram is empty
79 *(.data) /* initialized data */
91 PROVIDE(__stack__ = ORIGIN(ram) + LENGTH(ram));