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Merge pull request #414 from MJ666/Bootloader_fix 

Fix bootloader mode for STM32F3 targets
This commit is contained in:
Dominic Clifton 2015-01-25 00:58:16 +01:00
parent 83748bac98 6afa021d63
commit 1101c7f07d
1 changed files with 18 additions and 0 deletions
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18
src/main/startup/startup_stm32f30x_md_gcc.S
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@ -70,6 +70,12 @@ defined in linker script */
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
ldr r0, =0x20009FFC // HJI 11/9/2012
ldr r1, =0xDEADBEEF // HJI 11/9/2012
ldr r2, [r0, #0] // HJI 11/9/2012
str r0, [r0, #0] // HJI 11/9/2012
cmp r2, r1 // HJI 11/9/2012
beq Reboot_Loader // HJI 11/9/2012
/* Copy the data segment initializers from flash to SRAM */
movs r1, #0
@ -104,6 +110,18 @@ LoopFillZerobss:
/* Call the application's entry point.*/
bl main
bx lr
LoopForever:
b LoopForever
Reboot_Loader: // HJI 11/9/2012
// Reboot to ROM // HJI 11/9/2012
ldr r0, =0x1FFFD800 // HJI 4/26/2013
ldr sp,[r0, #0] // HJI 11/9/2012
ldr r0,[r0, #4] // HJI 11/9/2012
bx r0 // HJI 11/9/2012
.size Reset_Handler, .-Reset_Handler
/**