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Windows version now uses timespec_get() as a substitute for clock_gettime().

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sidney 2024-12-27 00:04:06 +01:00
parent 1f9e731fc9
commit ae3106af4a
1 changed files with 13 additions and 26 deletions
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39
src/sim65/peripherals.c
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@ -28,8 +28,7 @@
/* */
/*****************************************************************************/
#include <sys/time.h>
#include <stdbool.h>
#include <time.h>
#include "peripherals.h"
@ -64,37 +63,25 @@ void PeripheralsWriteByte (uint8_t Addr, uint8_t Val)
/* Latch the current wallclock time first (if possible). */
#if defined(_WIN32)
/* clock_gettime() is not available on Windows. Report max uint64 value for both fields. */
struct timeval tv;
int result = gettimeofday(&tv, NULL);
if (result != 0) {
/* Unable to get time. Report max uint64 value for both fields. */
Peripherals.Counter.LatchedWallclockTime = 0xffffffffffffffff;
Peripherals.Counter.LatchedWallclockTimeSplit = 0xffffffffffffffff;
} else {
/* Wallclock time: number of nanoseconds since 1-1-1970. */
Peripherals.Counter.LatchedWallclockTime = 1000000000 * (uint64_t)ts.tv_sec + 1000 * ts.tv_usec;
/* Wallclock time, split: high word is number of seconds since 1-1-1970,
* low word is number of nanoseconds since the start of that second. */
Peripherals.Counter.LatchedWallclockTimeSplit = ((uint64_t)ts.tv_sec << 32) | (1000 * ts.tv_usec);
}
#else
/* Other targets are presumed to have it. */
struct timespec ts;
int result = clock_gettime(CLOCK_REALTIME, &ts);
if (result != 0) {
/* Unable to get time. Report max uint64 value for both fields. */
Peripherals.Counter.LatchedWallclockTime = 0xffffffffffffffff;
Peripherals.Counter.LatchedWallclockTimeSplit = 0xffffffffffffffff;
} else {
#if defined(_WIN32)
/* clock_gettime() is not available on Windows. Use timespec_get() instead. */
bool time_valid = timespec_get(&ts, TIME_UTC) == TIME_UTC;
#else
bool time_valid = clock_gettime(CLOCK_REALTIME, &ts) == 0;
#endif
if (time_valid) {
/* Wallclock time: number of nanoseconds since 1-1-1970. */
Peripherals.Counter.LatchedWallclockTime = 1000000000 * (uint64_t)ts.tv_sec + ts.tv_nsec;
/* Wallclock time, split: high word is number of seconds since 1-1-1970,
* low word is number of nanoseconds since the start of that second. */
Peripherals.Counter.LatchedWallclockTimeSplit = ((uint64_t)ts.tv_sec << 32) | ts.tv_nsec;
} else {
/* Unable to get time. Report max uint64 value for both fields. */
Peripherals.Counter.LatchedWallclockTime = 0xffffffffffffffff;
Peripherals.Counter.LatchedWallclockTimeSplit = 0xffffffffffffffff;
}
#endif
/* Latch the counters that reflect the state of the processor. */
Peripherals.Counter.LatchedClockCycles = Peripherals.Counter.ClockCycles;