ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
void
-ao_spi_send_sync(void *block, uint16_t len, uint8_t spi_index);
+ao_spi_send_sync(const void *block, uint16_t len, uint8_t spi_index);
static inline void
ao_spi_send_byte(uint8_t byte, uint8_t spi_index)
void
ao_dma_done_transfer(uint8_t index);
-void
-ao_dma_abort(uint8_t index);
-
void
ao_dma_alloc(uint8_t index);
asm volatile("" ::: "memory");
}
+static inline void
+ao_arch_irq_check(void) {
+ uint32_t primask;
+ asm("mrs %0,primask" : "=&r" (primask));
+ if ((primask & 1) == 0)
+ ao_panic(AO_PANIC_IRQ);
+}
+
#if HAS_TASK
static inline void
ao_arch_init_stack(struct ao_task *task, void *start)
static inline void ao_arch_restore_stack(void) {
uint32_t sp;
- uint32_t control;
-
- asm("mrs %0,control" : "=&r" (control));
- control |= (1 << 1);
- asm("msr control,%0" : : "r" (control));
- asm("isb");
-
sp = (uint32_t) ao_cur_task->sp;
/* Switch stacks */
}
#endif
-static inline void ao_arch_isr_stack(void) {
- uint32_t control;
-
- asm("mrs %0,control" : "=&r" (control));
- control &= ~(1 << 1);
- asm("msr control,%0" : : "r" (control));
- asm("isb");
-}
+#define ao_arch_isr_stack()
#endif