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implement clock functions

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This commit is contained in:
Dave Murphy 2018-05-27 00:35:53 +01:00
parent 8319383048
commit 50f59898af
1 changed files with 48 additions and 0 deletions
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48
nx/source/runtime/newlib.c
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@ -44,6 +44,49 @@ void __libnx_init_time(void) {
} }
} }
static const u64 nsec_clockres = 1000000000ULL / 19200000ULL;
int __libnx_clock_getres(clockid_t clock_id, struct timespec *tp) {
if(clock_id != CLOCK_MONOTONIC) {
errno = EINVAL;
return -1;
}
if(tp) {
tp->tv_sec = 0;
tp->tv_nsec = nsec_clockres;
return 0;
} else {
errno = EFAULT;
return -1;
}
}
int __libnx_clock_gettime(clockid_t clock_id, struct timespec *tp) {
if(clock_id != CLOCK_MONOTONIC) {
errno = EINVAL;
return -1;
}
if(tp) {
u64 now=svcGetSystemTick() - __bootticks;
u64 __bootsecs = now / 19200000ULL;
tp->tv_sec = __bootsecs + __boottime;
u64 nsecs = (now - tp->tv_sec * 19200000ULL) * 10000ULL / 192ULL;
tp->tv_nsec = nsecs - nsecs % nsec_clockres;
return 0;
} else {
errno = EFAULT;
return -1;
}
}
int __libnx_clock_settime(clockid_t clock_id,const struct timespec *tp) {
errno = EINVAL;
return -1;
}
int __libnx_gtod(struct _reent *ptr, struct timeval *tp, struct timezone *tz) { int __libnx_gtod(struct _reent *ptr, struct timeval *tp, struct timezone *tz) {
if (tp != NULL) { if (tp != NULL) {
@ -80,6 +123,11 @@ void newlibSetup(void) {
__syscalls.gettod_r = __libnx_gtod; __syscalls.gettod_r = __libnx_gtod;
__syscalls.getreent = __libnx_get_reent; __syscalls.getreent = __libnx_get_reent;
__syscalls.clock_gettime = __libnx_clock_gettime;
__syscalls.clock_getres = __libnx_clock_getres;
__syscalls.clock_settime = __libnx_clock_settime;
// Register locking syscalls // Register locking syscalls
__syscalls.lock_init = mutexInit; __syscalls.lock_init = mutexInit;
__syscalls.lock_acquire = mutexLock; __syscalls.lock_acquire = mutexLock;