From f582a36e4df16d5709943f7df17a900c8bcc12ab Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Wed, 25 May 2016 11:37:40 -0400 Subject: Initial commit of source code. Signed-off-by: Kevin O'Connor --- src/simulator/irq.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/simulator/irq.h (limited to 'src/simulator/irq.h') diff --git a/src/simulator/irq.h b/src/simulator/irq.h new file mode 100644 index 00000000..63f51290 --- /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 +#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 -- cgit v1.2.3-70-g09d2