X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_arch_funcs.h;h=e0280e76466a2f6e4a1752478b828c743de33e6d;hb=4c5942fb082811f136322ec26de615cdb7e17580;hp=a5c78c33eb8d16c6cc10c49f3ec24adac72bf20f;hpb=873f511173c637016b5e173813bd03c1725797bb;p=fw%2Faltos diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h index a5c78c33..e0280e76 100644 --- a/src/lpc/ao_arch_funcs.h +++ b/src/lpc/ao_arch_funcs.h @@ -101,15 +101,14 @@ ao_arch_irqrestore(uint32_t primask) { } static inline void -ao_arch_memory_barrier() { +ao_arch_memory_barrier(void) { asm volatile("" ::: "memory"); } #if HAS_TASK static inline void -ao_arch_init_stack(struct ao_task *task, void *start) +ao_arch_init_stack(struct ao_task *task, uint32_t *sp, void *start) { - uint32_t *sp = (uint32_t *) (void *) (task->stack + AO_STACK_SIZE); uint32_t a = (uint32_t) start; int i; @@ -127,7 +126,7 @@ 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 +145,14 @@ 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}");