/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#include <mach_kdb.h>
#include <mach_kdp.h>
#include <db_machine_commands.h>
-#include <cpus.h>
#include <kern/thread.h>
#include <machine/pmap.h>
-#include <machine/mach_param.h>
#include <device/device_types.h>
#include <mach/vm_param.h>
#include <ppc/low_trace.h>
#include <ppc/mappings.h>
#include <ppc/FirmwareCalls.h>
-#include <ppc/setjmp.h>
+#include <ppc/cpu_internal.h>
#include <ppc/exception.h>
#include <ppc/hw_perfmon.h>
+#include <ppc/lowglobals.h>
#include <kern/clock.h>
#include <kern/debug.h>
#include <machine/trap.h>
#include <kern/spl.h>
#include <pexpert/pexpert.h>
-#include <ppc/mp.h>
#include <IOKit/IOPlatformExpert.h>
int debugger_cpu = -1; /* current cpu running debugger */
int debugger_debug = 0; /* Debug debugger */
-int debugger_is_slave[NCPUS]; /* Show that we were entered via sigp */
-int debugger_active[NCPUS]; /* Debugger active on CPU */
-int debugger_pending[NCPUS]; /* Debugger entry pending on CPU (this is a HACK) */
-int debugger_holdoff[NCPUS]; /* Holdoff debugger entry on this CPU (this is a HACK) */
int db_run_mode; /* Debugger run mode */
unsigned int debugger_sync = 0; /* Cross processor debugger entry sync */
extern unsigned int NMIss; /* NMI debounce switch */
unsigned int lastTrace; /* Value of low-level exception trace controls */
+
volatile unsigned int cpus_holding_bkpts; /* counter for number of cpus holding
breakpoints (ie: cpus that did not
insert back breakpoints) */
void unlock_debugger(void);
void lock_debugger(void);
-void dump_backtrace(unsigned int stackptr, unsigned int fence);
+void dump_backtrace(savearea *sv, unsigned int stackptr, unsigned int fence);
void dump_savearea(savearea *sv, unsigned int fence);
int packAsc (unsigned char *inbuf, unsigned int length);
"No saveareas", /* failNoSavearea */
"Savearea corruption", /* failSaveareaCorr */
"Invalid live context", /* failBadLiveContext */
+ "Corrupt skip lists", /* failSkipLists */
"Unaligned stack", /* failUnalignedStk */
+ "Invalid pmap", /* failPmap */
+ "Lock timeout", /* failTimeout */
"Unknown failure code" /* Unknown failure code - must always be last */
};
machine_startup(boot_args *args)
{
int boot_arg;
+ unsigned int wncpu;
+ unsigned int vmm_arg;
if (PE_parse_boot_arg("cpus", &wncpu)) {
- if (!((wncpu > 0) && (wncpu < NCPUS)))
- wncpu = NCPUS;
- } else
- wncpu = NCPUS;
+ if ((wncpu > 0) && (wncpu < MAX_CPUS))
+ max_ncpus = wncpu;
+ }
if( PE_get_hotkey( kPEControlKey ))
halt_in_debugger = halt_in_debugger ? 0 : 1;
if (boot_arg & DB_NMI) panicDebugging=TRUE;
if (boot_arg & DB_LOG_PI_SCRN) logPanicDataToScreen=TRUE;
}
+
+ PE_parse_boot_arg("vmmforce", &lowGlo.lgVMMforcedFeats);
hw_lock_init(&debugger_lock); /* initialize debugger lock */
hw_lock_init(&pbtlock); /* initialize print backtrace lock */
sched_poll_yield_shift = boot_arg;
}
- if (PE_parse_boot_arg("refunn", &boot_arg)) {
- extern int refunnel_hint_enabled;
-
- refunnel_hint_enabled = boot_arg;
- }
machine_conf();
- ml_thrm_init(); /* Start thermal monitoring on this processor */
-
/*
- * Start the system.
+ * Kick off the kernel bootstrap.
*/
- setup_main();
-
- /* Should never return */
+ kernel_bootstrap();
+ /*NOTREACHED*/
}
char *
void
machine_conf(void)
{
- machine_info.max_cpus = NCPUS;
- machine_info.avail_cpus = 1;
machine_info.memory_size = mem_size; /* Note that this will be 2 GB for >= 2 GB machines */
}
void slave_machine_init(void)
{
- (void) ml_set_interrupts_enabled(FALSE); /* Make sure we are disabled */
- clock_init(); /* Init the clock */
cpu_machine_init(); /* Initialize the processor */
+ clock_init(); /* Init the clock */
}
void
int i, frames_cnt, skip_top_frames, frames_max;
unsigned int store[8]; /* Buffer for real storage reads */
vm_offset_t backtrace_entries[32];
- thread_act_t *act;
savearea *sv, *svssp;
int cpu;
savearea *psv;
svssp = (savearea *)ssp; /* Make this easier */
sv = 0;
- if(current_thread()) sv = (savearea *)current_act()->mact.pcb; /* Find most current savearea if system has started */
+ if(current_thread()) sv = (savearea *)current_thread()->machine.pcb; /* Find most current savearea if system has started */
fence = 0xFFFFFFFF; /* Show we go all the way */
if(sv) fence = (unsigned int)sv->save_r1; /* Stop at previous exception point */
if(!svssp) { /* Should we start from stack? */
kdb_printf("Latest stack backtrace for cpu %d:\n", cpu_number());
__asm__ volatile("mr %0,r1" : "=r" (stackptr)); /* Get current stack */
- dump_backtrace(stackptr, fence); /* Dump the backtrace */
+ dump_backtrace((savearea *)0,stackptr, fence); /* Dump the backtrace */
if(!sv) { /* Leave if no saveareas */
kdb_printf("\nKernel version:\n%s\n",version); /* Print kernel version */
hw_lock_unlock(&pbtlock); /* Allow another back trace to happen */
(unsigned int)sv->save_lr, (unsigned int)sv->save_r1, sv->save_exception, xcode);
if(!(sv->save_srr1 & MASK(MSR_PR))) { /* Are we in the kernel? */
- dump_backtrace((unsigned int)sv->save_r1, fence); /* Dump the stack back trace from here if not user state */
+ dump_backtrace(sv, (unsigned int)sv->save_r1, fence); /* Dump the stack back trace from here if not user state */
}
return;
-#define DUMPFRAMES 32
+#define DUMPFRAMES 34
#define LRindex 2
-void dump_backtrace(unsigned int stackptr, unsigned int fence) {
+void dump_backtrace(savearea *sv, unsigned int stackptr, unsigned int fence) {
unsigned int bframes[DUMPFRAMES];
unsigned int sframe[8], raddr, dumbo;
- int i;
+ int i, index=0;
kdb_printf(" Backtrace:\n");
- for(i = 0; i < DUMPFRAMES; i++) { /* Dump up to max frames */
+ if (sv != (savearea *)0) {
+ bframes[0] = (unsigned int)sv->save_srr0;
+ bframes[1] = (unsigned int)sv->save_lr;
+ index = 2;
+ }
+ for(i = index; i < DUMPFRAMES; i++) { /* Dump up to max frames */
if(!stackptr || (stackptr == fence)) break; /* Hit stop point or end... */
}
}
- if (debug_mode && debugger_active[cpu_number()]) { /* Are we already on debugger on this processor? */
+ if (debug_mode && getPerProc()->debugger_active) { /* Are we already on debugger on this processor? */
splx(spl);
return; /* Yeah, don't do it again... */
}
}
if( !panicDebugging && (pi_size != 0) ) {
- int my_cpu, debugger_cpu;
+ int my_cpu;
int tcpu;
my_cpu = cpu_number();
debugger_cpu = my_cpu;
hw_atomic_add(&debug_mode, 1);
- debugger_active[my_cpu]++;
+ PerProcTable[my_cpu].ppe_vaddr->debugger_active++;
lock_debugger();
- for(tcpu = 0; tcpu < NCPUS; tcpu++) {
+ for(tcpu = 0; tcpu < real_ncpus; tcpu++) {
if(tcpu == my_cpu) continue;
hw_atomic_add(&debugger_sync, 1);
(void)cpu_signal(tcpu, SIGPdebug, 0 ,0);
addr64_t instr_ptr;
ppnum_t instr_pp;
unsigned int instr;
- int my_cpu, tcpu;
+ int my_cpu, tcpu, wasdebugger;
+ struct per_proc_info *pp;
+ uint64_t nowtime, poptime;
my_cpu = cpu_number(); /* Get our CPU */
#if MACH_KDB
if((debugger_cpu == my_cpu) && /* Do we already own debugger? */
- debugger_active[my_cpu] && /* and are we really active? */
+ PerProcTable[my_cpu].ppe_vaddr->debugger_active && /* and are we really active? */
db_recover && /* and have we set up recovery? */
(current_debugger == KDB_CUR_DB)) { /* and are we in KDB (only it handles recovery) */
kdb_trap(type, saved_state); /* Then reenter it... */
#endif
hw_atomic_add(&debug_mode, 1); /* Indicate we are in debugger */
- debugger_active[my_cpu]++; /* Show active on our CPU */
+ PerProcTable[my_cpu].ppe_vaddr->debugger_active++; /* Show active on our CPU */
+
lock_debugger(); /* Insure that only one CPU is in debugger */
if(db_im_stepping == my_cpu) { /* Are we just back from a step? */
kprintf("Call_DebuggerC(%d): %08X %08X, debact = %d\n", my_cpu, type, saved_state, debug_mode); /* (TEST/DEBUG) */
#endif
printf("Call_Debugger: enter - cpu %d, is_slave %d, debugger_cpu %d, pc %08X\n",
- my_cpu, debugger_is_slave[my_cpu], debugger_cpu, saved_state->save_srr0);
+ my_cpu, PerProcTable[my_cpu].ppe_vaddr->debugger_is_slave, debugger_cpu, saved_state->save_srr0);
}
instr_pp = (vm_offset_t)pmap_find_phys(kernel_pmap, (addr64_t)(saved_state->save_srr0));
#endif
if (db_breakpoints_inserted) cpus_holding_bkpts++; /* Bump up the holding count */
- if (debugger_cpu == -1 && !debugger_is_slave[my_cpu]) {
+ if (debugger_cpu == -1 && !PerProcTable[my_cpu].ppe_vaddr->debugger_is_slave) {
#if 0
if (debugger_debug) kprintf("Call_DebuggerC(%d): lasttrace = %08X\n", my_cpu, lastTrace); /* (TEST/DEBUG) */
#endif
debugger_cpu = my_cpu; /* Show that we are debugger */
+
+
lastTrace = LLTraceSet(0); /* Disable low-level tracing */
- for(tcpu = 0; tcpu < NCPUS; tcpu++) { /* Stop all the other guys */
+ for(tcpu = 0; tcpu < real_ncpus; tcpu++) { /* Stop all the other guys */
if(tcpu == my_cpu) continue; /* Don't diddle ourselves */
hw_atomic_add(&debugger_sync, 1); /* Count signal sent */
(void)cpu_signal(tcpu, SIGPdebug, 0 ,0); /* Tell 'em to enter debugger */
if ((instr == TRAP_DEBUGGER_INST) || /* Did we trap to enter debugger? */
(instr == TRAP_DIRECT_INST)) saved_state->save_srr0 += TRAP_INST_SIZE; /* Yes, point past trap */
- if(debugger_cpu == my_cpu) LLTraceSet(lastTrace); /* Enable tracing on the way out if we are debugger */
+ wasdebugger = 0; /* Assume not debugger */
+ if(debugger_cpu == my_cpu) { /* Are the debugger processor? */
+ wasdebugger = 1; /* Remember that we were the debugger */
+ LLTraceSet(lastTrace); /* Enable tracing on the way out if we are debugger */
+ }
wait = FALSE; /* Assume we are not going to wait */
if (db_run_mode == STEP_CONTINUE) { /* Are we going to run? */
wait = TRUE; /* Yeah, remember to wait for breakpoints to clear */
debugger_cpu = -1; /* Release other processor's debuggers */
- debugger_pending[0] = 0; /* Release request (this is a HACK) */
- debugger_pending[1] = 0; /* Release request (this is a HACK) */
+ for(tcpu = 0; tcpu < real_ncpus; tcpu++)
+ PerProcTable[tcpu].ppe_vaddr->debugger_pending = 0; /* Release request (this is a HACK) */
NMIss = 0; /* Let NMI bounce */
}
}
if (db_breakpoints_inserted) cpus_holding_bkpts--; /* If any breakpoints, back off count */
- if (debugger_is_slave[my_cpu]) debugger_is_slave[my_cpu]--; /* If we were a slove, uncount us */
+ if (PerProcTable[my_cpu].ppe_vaddr->debugger_is_slave) PerProcTable[my_cpu].ppe_vaddr->debugger_is_slave--; /* If we were a slove, uncount us */
if (debugger_debug)
printf("Call_Debugger: exit - cpu %d, debugger_cpu %d, run_mode %d holds %d\n",
my_cpu, debugger_cpu, db_run_mode,
cpus_holding_bkpts);
unlock_debugger(); /* Release the lock */
- debugger_active[my_cpu]--; /* Say we aren't active anymore */
+ PerProcTable[my_cpu].ppe_vaddr->debugger_active--; /* Say we aren't active anymore */
if (wait) while(cpus_holding_bkpts); /* Wait for breakpoints to clear */
+
hw_atomic_sub(&debug_mode, 1); /* Set out of debug now */
return(1); /* Exit debugger normally */
projects / apple / xnu.git / blobdiff