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Fetch the initial time from the rtc OpenFirmware node. This is a short-term

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measure until the rtc h/w driver is written, and it's a lot better
than having "jan 1 1970" on filesys times.

Approved by:  benno
This commit is contained in:
grehan 2003-01-08 12:17:44 +00:00
parent c1833e36de
commit be4bc40175
2 changed files with 42 additions and 0 deletions
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21
sys/powerpc/aim/clock.c
View File

@ -115,10 +115,31 @@ inittodr(time_t base)
time_t deltat;
u_int rtc_time;
struct timespec ts;
phandle_t phandle;
ihandle_t ihandle;
char rtcpath[128];
u_int rtcsecs;
/*
* If we can't read from RTC, use the fs time.
*/
phandle = OF_finddevice("rtc");
if (phandle != -1) {
OF_package_to_path(phandle, rtcpath, sizeof(rtcpath));
ihandle = OF_open(rtcpath);
if (ihandle != -1) {
if (OF_call_method("read-rtc", ihandle,
0, 1, &rtcsecs))
printf("RTC call method error\n");
else {
ts.tv_sec = rtcsecs - DIFF19041970;
ts.tv_nsec = 0;
tc_setclock(&ts);
return;
}
}
}
#if NADB > 0
if (adb_read_date_time(&rtc_time) < 0)
#endif

21
sys/powerpc/powerpc/clock.c
View File

@ -115,10 +115,31 @@ inittodr(time_t base)
time_t deltat;
u_int rtc_time;
struct timespec ts;
phandle_t phandle;
ihandle_t ihandle;
char rtcpath[128];
u_int rtcsecs;
/*
* If we can't read from RTC, use the fs time.
*/
phandle = OF_finddevice("rtc");
if (phandle != -1) {
OF_package_to_path(phandle, rtcpath, sizeof(rtcpath));
ihandle = OF_open(rtcpath);
if (ihandle != -1) {
if (OF_call_method("read-rtc", ihandle,
0, 1, &rtcsecs))
printf("RTC call method error\n");
else {
ts.tv_sec = rtcsecs - DIFF19041970;
ts.tv_nsec = 0;
tc_setclock(&ts);
return;
}
}
}
#if NADB > 0
if (adb_read_date_time(&rtc_time) < 0)
#endif