Kevin O'Connor f582a36e4d Initial commit of source code.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2016-05-25 11:37:40 -04:00

32 lines
562 B
C

#ifndef __SIMU_IRQ_H
#define __SIMU_IRQ_H
// Definitions for irq enable/disable on host simulator
#include <stdint.h>
#include "compiler.h" // barrier
extern uint8_t Interrupt_off;
static inline void irq_disable(void) {
Interrupt_off = 1;
barrier();
}
static inline void irq_enable(void) {
barrier();
Interrupt_off = 0;
}
static inline uint8_t irq_save(void) {
uint8_t flag = Interrupt_off;
irq_disable();
return flag;
}
static inline void irq_restore(uint8_t flag) {
barrier();
Interrupt_off = flag;
}
#endif // irq.h