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| author | Spencer Oliver <ntfreak@users.sourceforge.net> | 2010-12-10 10:35:03 +0000 |
|---|---|---|
| committer | Spencer Oliver <ntfreak@users.sourceforge.net> | 2010-12-23 12:11:12 +0000 |
| commit | 921f40f62a76426294ad2841a8b5da8b919bf10f (patch) | |
| tree | 35e0b61bc40ce1548d793685b927fc6d15f6660f /contrib/loaders/flash/stm32x.s | |
| parent | 8b41812da3c4f478b2e081637cfc8f69554f5a56 (diff) | |
| download | openocd+libswd-921f40f62a76426294ad2841a8b5da8b919bf10f.tar.gz openocd+libswd-921f40f62a76426294ad2841a8b5da8b919bf10f.tar.bz2 openocd+libswd-921f40f62a76426294ad2841a8b5da8b919bf10f.tar.xz openocd+libswd-921f40f62a76426294ad2841a8b5da8b919bf10f.zip | |
contrib: change stm32 flash loader extension
As the stm32 flash loader now uses the preprocessor change extension
so that it used by default.
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
Diffstat (limited to 'contrib/loaders/flash/stm32x.s')
| -rw-r--r-- | contrib/loaders/flash/stm32x.s | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/contrib/loaders/flash/stm32x.s b/contrib/loaders/flash/stm32x.s deleted file mode 100644 index 7269e799..00000000 --- a/contrib/loaders/flash/stm32x.s +++ /dev/null @@ -1,57 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2010 by Spencer Oliver * - * spen@spen-soft.co.uk * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - ***************************************************************************/ - - .text - .syntax unified - .cpu cortex-m3 - .thumb - .thumb_func - .global write - -/* - r0 - source address - r1 - target address - r2 - count (halfword-16bit) - r3 - result - r4 - temp -*/ - -#define STM32_FLASH_CR_OFFSET 0x10 /* offset of CR register in FLASH struct */ -#define STM32_FLASH_SR_OFFSET 0x0c /* offset of CR register in FLASH struct */ - -write: - ldr r4, STM32_FLASH_BASE -write_half_word: - movs r3, #0x01 - str r3, [r4, #STM32_FLASH_CR_OFFSET] /* PG (bit0) == 1 => flash programming enabled */ - ldrh r3, [r0], #0x02 /* read one half-word from src, increment ptr */ - strh r3, [r1], #0x02 /* write one half-word from src, increment ptr */ -busy: - ldr r3, [r4, #STM32_FLASH_SR_OFFSET] - tst r3, #0x01 /* BSY (bit0) == 1 => operation in progress */ - beq busy /* wait more... */ - tst r3, #0x14 /* PGERR (bit2) == 1 or WRPRTERR (bit4) == 1 => error */ - bne exit /* fail... */ - subs r2, r2, #0x01 /* decrement counter */ - bne write_half_word /* write next half-word if anything left */ -exit: - bkpt #0x00 - -STM32_FLASH_BASE: .word 0x40022000 /* base address of FLASH struct */ |