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Merge pull request #30 from benpicco/15d6070ad639b695b0abeef7474bc59a316017ac

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set proper start of the stack in thread_stack_init for arm_common
This commit is contained in:
Oleg 2013-03-20 08:41:50 -07:00
commit 7aa50718ed
2 changed files with 3 additions and 3 deletions
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4
cpu/arm_common/arm_cpu.c
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@ -36,7 +36,7 @@ void thread_yield() {
char * thread_stack_init(void * task_func, void * stack_start, int stack_size)
{
unsigned int * stk;
stk = (unsigned int *) stack_start + stack_size;
stk = (unsigned int *) (stack_start + stack_size);
stk--;
*stk = 0x77777777;
@ -45,7 +45,7 @@ char * thread_stack_init(void * task_func, void * stack_start, int stack_size)
*stk = (unsigned int)sched_task_exit; // LR
stk--;
*stk = (unsigned int) stack_start - 4; // SP
*stk = (unsigned int) (stack_start + stack_size) - 4; // SP
for (int i = 12; i>= 0 ; i--) { // build base stack
stk--;

2
cpu/msp430-common/cpu.c
View File

@ -100,7 +100,7 @@ void cpu_switch_context_exit(void){
char *thread_stack_init(void *task_func, void *stack_start, int stack_size)
{
unsigned short * stk;
stk = (unsigned short *) stack_start + stack_size;
stk = (unsigned short *) (stack_start + stack_size);
*stk = (unsigned short) sched_task_exit;
--stk;