criticalpp.hpp

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#ifndef __criticalpp__
#define __criticalpp__

#include <stdint.h>
#include <stdbool.h>

class critical {
public:
    uint32_t StartCritical(void) {
        asm("MRS    R0, PRIMASK  ;// save old status\n");
        asm("CPSID  I            ;// mask all (except faults)\n");
    }

    void EndCritical(uint32_t primask) {
        asm("MSR    PRIMASK, R0\n");
    }

    static uint32_t static_StartCritical(void) {
        asm("MRS    R0, PRIMASK  ;// save old status\n");
        asm("CPSID  I            ;// mask all (except faults)\n");
    }

    static void static_EndCritical(uint32_t primask) {
        asm("MSR    PRIMASK, R0\n");
    }
};

#endif

/* Local Variables: */
/* firestarter: (compile "make -k -j32 -C ~/workspace/ee445m-labs/build/") */
/* End: */