MFi386: revision 1.213.
Fix miss merging in previous change.
This commit is contained in:
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608e135b58
commit
61e878c58c
@ -55,15 +55,15 @@
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/limits.h>
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#include <sys/lock.h>
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#include <sys/kdb.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/proc.h>
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#include <sys/time.h>
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#include <sys/timetc.h>
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#include <sys/kernel.h>
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#include <sys/limits.h>
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#include <sys/module.h>
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#include <sys/sysctl.h>
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#include <sys/cons.h>
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#include <sys/power.h>
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@ -74,7 +74,6 @@
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#include <machine/intr_machdep.h>
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#include <machine/md_var.h>
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#include <machine/psl.h>
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#if defined(SMP)
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#include <machine/smp.h>
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#endif
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@ -378,10 +377,7 @@ getit(void)
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{
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int high, low;
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#ifdef KDB
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if (!kdb_active)
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#endif
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mtx_lock_spin(&clock_lock);
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mtx_lock_spin(&clock_lock);
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/* Select timer0 and latch counter value. */
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outb(TIMER_MODE, TIMER_SEL0 | TIMER_LATCH);
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@ -389,11 +385,7 @@ getit(void)
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low = inb(TIMER_CNTR0);
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high = inb(TIMER_CNTR0);
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#ifdef KDB
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if (!kdb_active)
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#endif
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mtx_unlock_spin(&clock_lock);
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mtx_unlock_spin(&clock_lock);
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return ((high << 8) | low);
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}
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@ -434,8 +426,18 @@ DELAY(int n)
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* takes about 1.5 usec for each of the i/o's in getit(). The loop
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* takes about 6 usec on a 486/33 and 13 usec on a 386/20. The
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* multiplications and divisions to scale the count take a while).
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*
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* However, if ddb is active then use a fake counter since reading
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* the i8254 counter involves acquiring a lock. ddb must not do
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* locking for many reasons, but it calls here for at least atkbd
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* input.
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*/
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prev_tick = getit();
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#ifdef KDB
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if (kdb_active)
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prev_tick = 1;
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else
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#endif
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prev_tick = getit();
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n -= 0; /* XXX actually guess no initial overhead */
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/*
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* Calculate (n * (timer_freq / 1e6)) without using floating point
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@ -462,10 +464,12 @@ DELAY(int n)
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/ 1000000;
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while (ticks_left > 0) {
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#ifdef DDB
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if (db_active) {
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#ifdef KDB
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if (kdb_active) {
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outb(0x5f, 0);
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tick = prev_tick + 1;
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tick = prev_tick - 1;
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if (tick <= 0)
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tick = timer0_max_count;
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} else
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#endif
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tick = getit();
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@ -55,15 +55,15 @@
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/limits.h>
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#include <sys/lock.h>
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#include <sys/kdb.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/proc.h>
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#include <sys/time.h>
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#include <sys/timetc.h>
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#include <sys/kernel.h>
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#include <sys/limits.h>
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#include <sys/module.h>
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#include <sys/sysctl.h>
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#include <sys/cons.h>
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#include <sys/power.h>
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@ -74,7 +74,6 @@
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#include <machine/intr_machdep.h>
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#include <machine/md_var.h>
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#include <machine/psl.h>
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#if defined(SMP)
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#include <machine/smp.h>
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#endif
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@ -378,10 +377,7 @@ getit(void)
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{
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int high, low;
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#ifdef KDB
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if (!kdb_active)
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#endif
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mtx_lock_spin(&clock_lock);
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mtx_lock_spin(&clock_lock);
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/* Select timer0 and latch counter value. */
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outb(TIMER_MODE, TIMER_SEL0 | TIMER_LATCH);
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@ -389,11 +385,7 @@ getit(void)
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low = inb(TIMER_CNTR0);
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high = inb(TIMER_CNTR0);
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#ifdef KDB
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if (!kdb_active)
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#endif
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mtx_unlock_spin(&clock_lock);
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mtx_unlock_spin(&clock_lock);
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return ((high << 8) | low);
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}
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@ -434,8 +426,18 @@ DELAY(int n)
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* takes about 1.5 usec for each of the i/o's in getit(). The loop
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* takes about 6 usec on a 486/33 and 13 usec on a 386/20. The
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* multiplications and divisions to scale the count take a while).
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*
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* However, if ddb is active then use a fake counter since reading
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* the i8254 counter involves acquiring a lock. ddb must not do
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* locking for many reasons, but it calls here for at least atkbd
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* input.
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*/
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prev_tick = getit();
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#ifdef KDB
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if (kdb_active)
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prev_tick = 1;
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else
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#endif
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prev_tick = getit();
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n -= 0; /* XXX actually guess no initial overhead */
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/*
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* Calculate (n * (timer_freq / 1e6)) without using floating point
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@ -462,10 +464,12 @@ DELAY(int n)
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/ 1000000;
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while (ticks_left > 0) {
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#ifdef DDB
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if (db_active) {
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#ifdef KDB
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if (kdb_active) {
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outb(0x5f, 0);
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tick = prev_tick + 1;
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tick = prev_tick - 1;
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if (tick <= 0)
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tick = timer0_max_count;
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} else
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#endif
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tick = getit();
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@ -55,15 +55,15 @@
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/limits.h>
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#include <sys/lock.h>
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#include <sys/kdb.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/proc.h>
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#include <sys/time.h>
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#include <sys/timetc.h>
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#include <sys/kernel.h>
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#include <sys/limits.h>
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#include <sys/module.h>
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#include <sys/sysctl.h>
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#include <sys/cons.h>
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#include <sys/power.h>
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@ -74,7 +74,6 @@
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#include <machine/intr_machdep.h>
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#include <machine/md_var.h>
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#include <machine/psl.h>
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#if defined(SMP)
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#include <machine/smp.h>
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#endif
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@ -378,10 +377,7 @@ getit(void)
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{
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int high, low;
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#ifdef KDB
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if (!kdb_active)
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#endif
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mtx_lock_spin(&clock_lock);
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mtx_lock_spin(&clock_lock);
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/* Select timer0 and latch counter value. */
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outb(TIMER_MODE, TIMER_SEL0 | TIMER_LATCH);
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@ -389,11 +385,7 @@ getit(void)
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low = inb(TIMER_CNTR0);
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high = inb(TIMER_CNTR0);
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#ifdef KDB
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if (!kdb_active)
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#endif
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mtx_unlock_spin(&clock_lock);
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mtx_unlock_spin(&clock_lock);
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return ((high << 8) | low);
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}
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@ -434,8 +426,18 @@ DELAY(int n)
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* takes about 1.5 usec for each of the i/o's in getit(). The loop
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* takes about 6 usec on a 486/33 and 13 usec on a 386/20. The
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* multiplications and divisions to scale the count take a while).
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*
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* However, if ddb is active then use a fake counter since reading
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* the i8254 counter involves acquiring a lock. ddb must not do
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* locking for many reasons, but it calls here for at least atkbd
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* input.
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*/
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prev_tick = getit();
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#ifdef KDB
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if (kdb_active)
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prev_tick = 1;
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else
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#endif
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prev_tick = getit();
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n -= 0; /* XXX actually guess no initial overhead */
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/*
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* Calculate (n * (timer_freq / 1e6)) without using floating point
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@ -462,10 +464,12 @@ DELAY(int n)
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/ 1000000;
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while (ticks_left > 0) {
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#ifdef DDB
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if (db_active) {
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#ifdef KDB
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if (kdb_active) {
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outb(0x5f, 0);
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tick = prev_tick + 1;
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tick = prev_tick - 1;
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if (tick <= 0)
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tick = timer0_max_count;
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} else
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#endif
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tick = getit();
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