diff options
Diffstat (limited to 'src/simulator/irq.h')
-rw-r--r-- | src/simulator/irq.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/simulator/irq.h b/src/simulator/irq.h new file mode 100644 index 000000000..63f512908 --- /dev/null +++ b/src/simulator/irq.h @@ -0,0 +1,31 @@ +#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 |