1 /***************************************************************************
2 * Copyright (C) 2010 by Spencer Oliver *
3 * spen@spen-soft.co.uk *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
19 ***************************************************************************/
23 r0 - pointer to struct { uint32_t size_in_result_out, uint32_t addr }
37 SIZEOF_STRUCT_BLOCK = 8
41 ldr r2, [r0, #BLOCK_SIZE_RESULT] /* get size */
45 ldr r3, [r0, #BLOCK_ADDRESS] /* get address */
48 ldr r4, [r3] /* read word */
57 movs r4, #1 /* block is erased */
59 str r4, [r0, #BLOCK_SIZE_RESULT]
60 adds r0, #SIZEOF_STRUCT_BLOCK
67 /* Avoid padding at .text segment end. Otherwise exit point check fails. */
68 .skip ( . - start + 2) & 2, 0