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stack alignment workaround

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Should be fixed in thread.c instead, this is just a temporary
workaround to enable msp-430 threads in the mean time.
This commit is contained in:
Ludwig Ortmann 2013-12-19 11:34:59 +01:00
parent 2a8411b6a3
commit 76cfdc33b1
1 changed files with 4 additions and 0 deletions
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4
cpu/msp430-common/cpu.c
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@ -53,6 +53,10 @@ __attribute__((section (".fini9"))) void __main_epilogue(void) { __asm__("ret");
char *thread_stack_init(void (*task_func)(void), void *stack_start, int stack_size)
{
unsigned short *stk;
/* XXX: work around for misalignment, remove once solved properly in thread.c */
stack_size--;
stk = (unsigned short *)(stack_start + stack_size);
*stk = (unsigned short) sched_task_exit;