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Replace the hardcoding of 255 as the clock interrupt vector with

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CLOCK_VECTOR and define it as 254, not 255. Vector 255 is already
in use as the AP wakeup vector on the HP rx2600.

This needs to be made more dynamic. The likelyhood of vector 254
being in use is pretty small, but we already have code to assign
vectors to IPIs (see sal.c) and it's preobably better to have a
centralized "vector manager" that hands out vectors based on
some imput (like priority).
This commit is contained in:
Marcel Moolenaar 2003-01-06 01:39:25 +00:00
parent ff29255673
commit cbb095815a
4 changed files with 5 additions and 3 deletions
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2
sys/ia64/ia64/clock.c
View file

@ -193,7 +193,7 @@ cpu_initclocks()
itm_reload = (itc_frequency + hz/2) / hz;
ia64_set_itm(ia64_get_itc() + itm_reload);
ia64_set_itv(255); /* highest priority class */
ia64_set_itv(CLOCK_VECTOR); /* highest priority class */
stathz = 128;
}

2
sys/ia64/ia64/interrupt.c
View file

@ -113,7 +113,7 @@ interrupt(u_int64_t vector, struct trapframe *framep)
printf("ExtINT interrupt: vector=%ld\n", vector);
}
if (vector == 255) {/* clock interrupt */
if (vector == CLOCK_VECTOR) {/* clock interrupt */
/* CTR0(KTR_INTR, "clock interrupt"); */
cnt.v_intr++;

2
sys/ia64/ia64/mp_machdep.c
View file

@ -120,7 +120,7 @@ ia64_ap_startup(void)
/* kick off the clock on this AP */
ia64_set_itm(ia64_get_itc() + itm_reload);
ia64_set_itv(255);
ia64_set_itv(CLOCK_VECTOR);
ia64_set_tpr(0);
cpu_throw();
panic("ia64_ap_startup: cpu_throw() returned");

2
sys/ia64/include/clock.h
View file

@ -11,6 +11,8 @@
#ifdef _KERNEL
#define CLOCK_VECTOR 254
extern int disable_rtc_set;
extern int wall_cmos_clock;
extern int adjkerntz;