X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_arch_funcs.h;h=1368f7e5e883ad4b8c94adf626d9d85db7657b67;hb=d6c3c3618a708d2a1a7948454710e6ae21c2a426;hp=345108aeb42c1b3f4887b02365cea4200e32e2a2;hpb=63a44b9c169d042fb1a3997620477e7f00bb0918;p=fw%2Faltos

diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h
index 345108ae..1368f7e5 100644
--- a/src/lpc/ao_arch_funcs.h
+++ b/src/lpc/ao_arch_funcs.h
@@ -109,7 +109,7 @@ ao_arch_memory_barrier(void) {
 static inline void
 ao_arch_init_stack(struct ao_task *task, void *start)
 {
-	uint32_t	*sp = (uint32_t *) (void *) (task->stack + AO_STACK_SIZE);
+	uint32_t	*sp = &task->stack32[AO_STACK_SIZE >> 2];
 	uint32_t	a = (uint32_t) start;
 	int		i;
 
@@ -127,7 +127,7 @@ ao_arch_init_stack(struct ao_task *task, void *start)
 	/* PRIMASK with interrupts enabled */
 	ARM_PUSH32(sp, 0);
 
-	task->sp = sp;
+	task->sp32 = sp;
 }
 
 static inline void ao_arch_save_regs(void) {
@@ -146,17 +146,14 @@ static inline void ao_arch_save_regs(void) {
 static inline void ao_arch_save_stack(void) {
 	uint32_t	*sp;
 	asm("mov %0,sp" : "=&r" (sp) );
-	ao_cur_task->sp = (sp);
-	if ((uint8_t *) sp < &ao_cur_task->stack[0])
+	ao_cur_task->sp32 = (sp);
+	if (sp < &ao_cur_task->stack32[0])
 		ao_panic (AO_PANIC_STACK);
 }
 
 static inline void ao_arch_restore_stack(void) {
-	uint32_t	sp;
-	sp = (uint32_t) ao_cur_task->sp;
-
 	/* Switch stacks */
-	asm("mov sp, %0" : : "r" (sp) );
+	asm("mov sp, %0" : : "r" (ao_cur_task->sp32) );
 
 	/* Restore PRIMASK */
 	asm("pop {r0}");