diff options
Diffstat (limited to 'ports/stm32/resethandler.s')
| -rw-r--r-- | ports/stm32/resethandler.s | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ports/stm32/resethandler.s b/ports/stm32/resethandler.s index 6c37260dc..7f0973346 100644 --- a/ports/stm32/resethandler.s +++ b/ports/stm32/resethandler.s @@ -33,6 +33,9 @@ .type Reset_Handler, %function Reset_Handler: + /* Save the first argument to pass through to stm32_main */ + mov r4, r0 + /* Load the stack pointer */ ldr sp, =_estack @@ -61,6 +64,7 @@ Reset_Handler: /* Initialise the system and jump to the main code */ bl SystemInit - b main + mov r0, r4 + b stm32_main .size Reset_Handler, .-Reset_Handler |