Explicitly set the stack pointer in the reset handler.

It turned out that running from debugger the stack pointer might be wrong (initialized to the value of the system flash).
modm-io · May 5, 2020 · 59ce752 · 59ce752
1 parent 4e02180
commit 59ce752
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/modm/platform/core/cortex/reset_handler.sx b/src/modm/platform/core/cortex/reset_handler.sx
@@ -16,6 +16,8 @@
 	.type	Reset_Handler, %function
 	.func   Reset_Handler
 Reset_Handler:
+	ldr r0,=__main_stack_top
+	mov sp,r0
 	bl __modm_initialize_platform
 	b __modm_startup
 	.endfunc