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Made wallclock time fail on Windows (due to lack of clock_gettime), succeed everywhere else.

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sidney 2024-12-26 23:32:00 +01:00
parent a906402308
commit 8c40568566
1 changed files with 12 additions and 10 deletions
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22
src/sim65/peripherals.c
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@ -58,28 +58,30 @@ void PeripheralsWriteByte (uint8_t Addr, uint8_t Val)
/* Handle writes to the Counter peripheral. */
case PERIPHERALS_COUNTER_ADDRESS_OFFSET_LATCH: {
/* A write to the "latch" register performs a simultaneous latch of all registers. */
/* Latch the current wallclock time first. */
#if 1
/* Enabling clock_gettime dependent codepath (expected to fail at least on Windows build.) */
/* 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. */
Peripherals.Counter.LatchedWallclockTime = 0xffffffffffffffff;
Peripherals.Counter.LatchedWallclockTimeSplit = 0xffffffffffffffff;
#else
/* Other targets are presumed to have it. */
struct timespec ts;
int result = clock_gettime(CLOCK_REALTIME, &ts);
if (result != 0) {
/* Unable to read time. Report max uint64 value for both fields. */
/* 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 = 1000000000u * ts.tv_sec + ts.tv_nsec;
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 = (ts.tv_sec << 32) | ts.tv_nsec;
Peripherals.Counter.LatchedWallclockTimeSplit = ((uint64_t)ts.tv_sec << 32) | ts.tv_nsec;
}
#else
/* Temporarily skip call to clock_gettime() to check that we can build for Windows */
Peripherals.Counter.LatchedWallclockTime = 0xffffffffffffffff;
Peripherals.Counter.LatchedWallclockTimeSplit = 0xffffffffffffffff;
#endif
/* Latch the counters that reflect the state of the processor. */