Changeset 77f91fe in mainline

Timestamp:

2012-09-07T13:01:54Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2416085

Parents:

7aa6b99

Message:

arm32: Align stack to 8bytes in exception handlers.

Fixes printf of uint64_t values. (bug #490)

Location:

kernel/arch/arm32

Files:

• include/istate.h (modified) (1 diff)
• src/exc_handler.S (modified) (1 diff)

kernel/arch/arm32/include/istate.h

@@ -49 +49 @@
 /** Struct representing CPU state saved when an exception occurs. */
 typedef struct istate {
+        uint32_t dummy;
         uint32_t spsr;
         uint32_t sp;

kernel/arch/arm32/src/exc_handler.S

@@ -130 +130 @@
         stmfd r13!, {r2}
 2:
+        sub sp, sp, #4
 .endm
 
 .macro LOAD_REGS_FROM_STACK
+        add sp, sp, #4
         ldmfd r13!, {r0}
         msr spsr, r0