xnu-517.12.7.tar.gz

[apple/xnu.git] / osfmk / ppc / interrupt.c

diff --git a/osfmk/ppc/interrupt.c b/osfmk/ppc/interrupt.c
index 47e447e8179303e7576100e52943757ea3158fd0..7924041cdcc8a2dbf6f824f9207de97daa8dc3c0 100644 (file)
--- a/osfmk/ppc/interrupt.c
+++ b/osfmk/ppc/interrupt.c
@@ -30,27 +30,30 @@
 #include <kern/thread.h>
 #include <kern/counters.h>
 #include <ppc/misc_protos.h>
+#include <ppc/trap.h>
 #include <ppc/proc_reg.h>
 #include <ppc/exception.h>
 #include <ppc/savearea.h>
 #include <pexpert/pexpert.h>
-#if    NCPUS > 1
-#include <ppc/POWERMAC/mp/MPPlugIn.h>
-#endif /* NCPUS > 1 */
 #include <sys/kdebug.h>
 
+perfTrap perfIntHook = 0;                                              /* Pointer to performance trap hook routine */
+
 struct savearea * interrupt(
         int type,
         struct savearea *ssp,
        unsigned int dsisr,
        unsigned int dar)
 {
-       int     current_cpu, tmpr, targtemp;
-       unsigned int    throttle;
+       int     current_cpu;
        uint64_t                now;
        thread_act_t    act;
 
        disable_preemption();
+
+       if(perfIntHook) {                                                       /* Is there a hook? */
+               if(perfIntHook(type, ssp, dsisr, dar) == KERN_SUCCESS) return ssp;      /* If it succeeds, we are done... */
+       }
        
 #if 0
        {
@@ -64,51 +67,9 @@ struct savearea * interrupt(
 
        switch (type) {
 
-               case T_THERMAL:                                         /* Fix the air conditioning, I'm dripping with sweat, or freezing, whatever... */
-
-/*
- *                     Note that this code is just a hackification until we have a real thermal plan.
- */
-                       
-                       tmpr = ml_read_temp();                  /* Find out just how hot it is */
-                       targtemp = (dar >> 23) & 0x7F;  /* Get the temprature we were looking for */
-                       if(dar & 4) {                                   /* Did the temprature drop down? */
-#if 1
-                               kprintf("THERMAL below (cpu %d) target = %d; actual = %d; thrm = %08X\n", current_cpu, targtemp, tmpr, dar);
-#endif 
-#if 0
-                               throttle = ml_throttle(0);      /* Set throttle off */
-#if 1
-                               kprintf("THERMAL (cpu %d) throttle set off; last = %d\n", current_cpu, throttle);
-#endif 
-#endif
-                               ml_thrm_set(0, per_proc_info[current_cpu].thrm.throttleTemp);   /* Set no low temp and max allowable as max */
-
-#if 1
-                               kprintf("THERMAL (cpu %d) temp set to: off min, %d max\n", current_cpu, per_proc_info[current_cpu].thrm.throttleTemp);
-#endif 
-                       }
-                       else {
-#if 1
-                               kprintf("THERMAL above (cpu %d) target = %d; actual = %d; thrm = %08X\n", current_cpu, targtemp, tmpr, dar);
-#endif 
-#if 0
-                               throttle = ml_throttle(32);     /* Set throttle on about 1/8th */
-#if 1
-                               kprintf("THERMAL (cpu %d) throttle set to 32; last = %d\n", current_cpu, throttle);
-#endif 
-#endif
-                               ml_thrm_set(per_proc_info[current_cpu].thrm.throttleTemp - 4, 0);       /* Set low temp to max - 4 and max off */
-#if 1
-                               kprintf("THERMAL (cpu %d) temp set to: %d min, off max\n", current_cpu, per_proc_info[current_cpu].thrm.throttleTemp - 4);
-#endif 
-
-                       }
-                       break;
-                       
                case T_DECREMENTER:
                        KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_DECI, 0) | DBG_FUNC_NONE,
-                                 isync_mfdec(), ssp->save_srr0, 0, 0, 0);
+                                 isync_mfdec(), (unsigned int)ssp->save_srr0, 0, 0, 0);
        
 #if 0
                        if (pcsample_enable) {
@@ -136,7 +97,7 @@ struct savearea * interrupt(
                        counter_always(c_incoming_interrupts++);
        
                        KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_START,
-                          current_cpu, ssp->save_srr0, 0, 0, 0);
+                          current_cpu, (unsigned int)ssp->save_srr0, 0, 0, 0);
        
                        per_proc_info[current_cpu].interrupt_handler(
                                per_proc_info[current_cpu].interrupt_target,