]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/ppc/interrupt.c
xnu-792.12.6.tar.gz
[apple/xnu.git] / osfmk / ppc / interrupt.c
index 5e72b712a662d5dc9076c5f207823ffa7305252e..72dfe9cd6c7d6e23660921afdf9b3a115d29b84d 100644 (file)
@@ -1,23 +1,31 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * This file contains Original Code and/or Modifications of Original Code 
+ * as defined in and that are subject to the Apple Public Source License 
+ * Version 2.0 (the 'License'). You may not use this file except in 
+ * compliance with the License.  The rights granted to you under the 
+ * License may not be used to create, or enable the creation or 
+ * redistribution of, unlawful or unlicensed copies of an Apple operating 
+ * system, or to circumvent, violate, or enable the circumvention or 
+ * violation of, any terms of an Apple operating system software license 
+ * agreement.
+ *
+ * Please obtain a copy of the License at 
+ * http://www.opensource.apple.com/apsl/ and read it before using this 
+ * file.
+ *
+ * The Original Code and all software distributed under the License are 
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
+ * Please see the License for the specific language governing rights and 
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
 #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>
 
-struct ppc_saved_state * interrupt(
+perfCallback perfIntHook = 0;                                          /* Pointer to CHUD trap hook routine */
+
+void unresolved_kernel_trap(int trapno,
+                                  struct savearea *ssp,
+                                  unsigned int dsisr,
+                                  addr64_t dar,
+                                  const char *message);
+
+struct savearea * interrupt(
         int type,
-        struct ppc_saved_state *ssp,
+        struct savearea *ssp,
        unsigned int dsisr,
        unsigned int dar)
 {
-       int     current_cpu, tmpr, targtemp;
-       unsigned int    throttle;
-       AbsoluteTime    now;
-       thread_act_t    act;
+       int     current_cpu;
+       struct per_proc_info    *proc_info;
+       uint64_t                now;
+       thread_t                thread;
 
        disable_preemption();
-       
-       current_cpu = cpu_number();
-
-       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(perfIntHook) {                                                       /* Is there a hook? */
+               if(perfIntHook(type, ssp, dsisr, dar) == KERN_SUCCESS) return ssp;      /* If it succeeds, we are done... */
+       }
+       
 #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 
+       {
+               extern void fctx_text(void);
+               fctx_test();
+       }
 #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;
-                       
+       current_cpu = cpu_number();
+       proc_info = getPerProc();
+
+       switch (type) {
+
                case T_DECREMENTER:
                        KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_DECI, 0) | DBG_FUNC_NONE,
-                                 isync_mfdec(), ((savearea *)ssp)->save_srr0, 0, 0, 0);
+                                 isync_mfdec(), (unsigned int)ssp->save_srr0, 0, 0, 0);
        
 #if 0
                        if (pcsample_enable) {
-                               if (find_user_regs(current_act()))
-                                 add_pcsamples (user_pc(current_act()));
+                               if (find_user_regs(current_thread()))
+                                 add_pcsamples (user_pc(current_thread()));
                        }
 #endif
 
-                       act = current_act();                                    /* Find ourselves */
-                       if(act->mact.qactTimer.hi | act->mact.qactTimer.lo) {   /* Is the timer set? */
-                               clock_get_uptime(&now);                         /* Find out what time it is */
-                               if (CMP_ABSOLUTETIME(&act->mact.qactTimer, &now) <= 0) {        /* It is set, has it popped? */
-                                       act->mact.qactTimer.hi = 0;             /* Clear single shot timer */
-                                       act->mact.qactTimer.lo = 0;             /* and the other half */
-                                       if((unsigned int)act->mact.vmmControl & 0xFFFFFFFE) {   /* Are there any virtual machines? */
-                                               vmm_timer_pop(act);                     /* Yes, check out them out... */
+                       now = mach_absolute_time();                             /* Find out what time it is */
+                       
+                       if(now >= proc_info->pms.pmsPop) {              /* Is it time for power management state change? */
+                               pmsStep(1);                                                     /* Yes, advance step */
+                               now = mach_absolute_time();                     /* Get the time again since we ran a bit */
+                       }
+
+                       thread = current_thread();                                      /* Find ourselves */
+                       if(thread->machine.qactTimer != 0) {    /* Is the timer set? */
+                               if (thread->machine.qactTimer <= now) { /* It is set, has it popped? */
+                                       thread->machine.qactTimer = 0;          /* Clear single shot timer */
+                                       if((unsigned int)thread->machine.vmmControl & 0xFFFFFFFE) {     /* Are there any virtual machines? */
+                                               vmm_timer_pop(thread);                  /* Yes, check out them out... */
                                        }
                                }
                        }
 
-                       rtclock_intr(0, ssp, 0);
+                       rtclock_intr(ssp);
                        break;
        
                case T_INTERRUPT:
@@ -129,13 +119,13 @@ struct ppc_saved_state * interrupt(
                        counter_always(c_incoming_interrupts++);
        
                        KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_START,
-                          current_cpu, ((savearea *)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, 
-                               per_proc_info[current_cpu].interrupt_refCon,
-                               per_proc_info[current_cpu].interrupt_nub, 
-                               per_proc_info[current_cpu].interrupt_source);
+                       proc_info->interrupt_handler(
+                               proc_info->interrupt_target, 
+                               proc_info->interrupt_refCon,
+                               proc_info->interrupt_nub, 
+                               proc_info->interrupt_source);
        
                        KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_END,
                           0, 0, 0, 0, 0);
@@ -154,11 +144,8 @@ struct ppc_saved_state * interrupt(
        
                                
                default:
-       #if     MACH_KDP || MACH_KDB
-                       (void)Call_Debugger(type, ssp);
-       #else
-                       panic("Invalid interrupt type %x\n", type);
-       #endif
+                       if (!Call_Debugger(type, ssp))
+                               unresolved_kernel_trap(type, ssp, dsisr, dar, NULL);
                        break;
        }