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stm32f4: Improve behaviour when a section doesn't end on a word boundary. 

This may not be an acceptable fix.  It may be possible for the linker
to place another section on the remainder of the offending work.
This commit is contained in:
Gareth McMullin 2011-12-14 22:57:50 +13:00
parent c5b4022ed8
commit 45eee497d0
1 changed files with 4 additions and 4 deletions

8
src/stm32f4.c
View File

@ -158,7 +158,7 @@ static int stm32f4_flash_erase(struct target_s *target, uint32_t addr, int len)
uint32_t cr;
uint32_t pagesize;
addr &= 0x07E00000;
addr &= 0x07FFC000;
/* Enable FPEC controller access */
adiv5_ap_mem_write(t->ap, FLASH_KEYR, KEY1);
@ -207,13 +207,13 @@ static int stm32f4_flash_write_words(struct target_s *target, uint32_t dest,
uint16_t sr;
/* Construct data buffer used by stub */
data[0] = dest & 0xFFFFFFFE;
data[1] = len & 0xFFFFFFFE;
data[0] = dest & 0xFFFFFFFC;
data[1] = (len + 3) & 0xFFFFFFFC;
memcpy(&data[2], src, len);
/* Write stub and data to target ram and set PC */
target_mem_write_words(target, 0x20000000, (void*)stm32f4_flash_write_stub, 0x30);
target_mem_write_words(target, 0x20000030, data, len + 8);
target_mem_write_words(target, 0x20000030, data, len + 11);
target_pc_write(target, 0x20000000);
if(target_check_error(target))
return -1;