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Move update of BIOS variable at 0x6c (time counter) completely to timer.c.

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Suggested by:	Igor Serikov <bt@turtle.pangeatech.com>
This commit is contained in:
Thomas Gellekum 2001-08-14 11:54:37 +00:00
parent 753d686d34
commit f7448f4297
2 changed files with 16 additions and 18 deletions
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26
usr.bin/doscmd/timer.c
View File

@ -8,16 +8,11 @@
static void
int08(regcontext_t *REGS)
{
struct timeval tv;
time_t tv_sec;
struct timezone tz;
struct tm tm;
gettimeofday(&tv, &tz);
tv_sec = tv.tv_sec;
tm = *localtime(&tv_sec);
*(u_long *)&BIOSDATA[0x6c] =
(((tm.tm_hour * 60 + tm.tm_min) * 60) + tm.tm_sec) * 182 / 10;
*(u_long *)&BIOSDATA[0x6c] += 1; /* ticks since midnight */
while (*(u_long *)&BIOSDATA[0x6c] >= 24*60*6*182) {
*(u_long *)&BIOSDATA[0x6c] -= 24*60*6*182;
BIOSDATA[0x70]++; /* # times past mn */
}
softint(0x1c);
}
@ -40,6 +35,10 @@ timer_init(void)
{
u_long vec;
struct itimerval itv;
struct timeval tv;
time_t tv_sec;
struct timezone tz;
struct tm tm;
vec = insert_hardint_trampoline();
ivec[0x08] = vec;
@ -52,6 +51,13 @@ timer_init(void)
define_input_port_handler(0x42, inb_timer);
define_input_port_handler(0x40, inb_timer);
/* Initialize time counter BIOS variable. */
gettimeofday(&tv, &tz);
tv_sec = tv.tv_sec;
tm = *localtime(&tv_sec);
*(u_long *)&BIOSDATA[0x6c] =
(((tm.tm_hour * 60 + tm.tm_min) * 60) + tm.tm_sec) * 182 / 10;
itv.it_interval.tv_sec = 0;
itv.it_interval.tv_usec = 54925; /* 1193182/65536 times per second */
itv.it_value.tv_sec = 0;

8
usr.bin/doscmd/tty.c
View File

@ -373,14 +373,6 @@ video_update(regcontext_t *REGS)
else
video_update_text();
}
if (!booting) {
*(u_long *)&BIOSDATA[0x6c] += 1; /* ticks since midnight */
while (*(u_long *)&BIOSDATA[0x6c] >= 24*60*6*182) {
*(u_long *)&BIOSDATA[0x6c] -= 24*60*6*182;
BIOSDATA[0x70]++; /* # times past mn */
}
}
#endif
}