#include <ppc/FirmwareCalls.h>
#include <ppc/setjmp.h>
#include <ppc/exception.h>
+#include <ppc/hw_perfmon.h>
#include <kern/clock.h>
#include <kern/debug.h>
void dump_backtrace(unsigned int stackptr, unsigned int fence);
void dump_savearea(savearea *sv, unsigned int fence);
+int packAsc (unsigned char *inbuf, unsigned int length);
+
#if !MACH_KDB
boolean_t db_breakpoints_inserted = TRUE;
jmp_buf_t *db_recover = 0;
"No saveareas", /* failNoSavearea */
"Savearea corruption", /* failSaveareaCorr */
"Invalid live context", /* failBadLiveContext */
+ "Unaligned stack", /* failUnalignedStk */
"Unknown failure code" /* Unknown failure code - must always be last */
};
extern const char version[];
extern char *trap_type[];
-extern vm_offset_t mem_actual;
#if !MACH_KDB
void kdb_trap(int type, struct savearea *regs);
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();
{
machine_info.max_cpus = NCPUS;
machine_info.avail_cpus = 1;
- machine_info.memory_size = mem_size;
+ machine_info.memory_size = mem_size; /* Note that this will be 2 GB for >= 2 GB machines */
}
void
machine_init(void)
{
clock_config();
+ perfmon_init();
}
void slave_machine_init(void)
thread_act_t *act;
savearea *sv, *svssp;
int cpu;
+ savearea *psv;
/*
* We need this lock to make sure we don't hang up when we double panic on an MP.
cpu = cpu_number(); /* Just who are we anyways? */
if(pbtcpu != cpu) { /* Allow recursion */
- hw_atomic_add(&pbtcnt, 1); /* Remember we are trying */
+ hw_atomic_add((uint32_t *)&pbtcnt, 1); /* Remember we are trying */
while(!hw_lock_try(&pbtlock)); /* Spin here until we can get in. If we never do, well, we're crashing anyhow... */
pbtcpu = cpu; /* Mark it as us */
}
if(current_thread()) sv = (savearea *)current_act()->mact.pcb; /* Find most current savearea if system has started */
fence = 0xFFFFFFFF; /* Show we go all the way */
- if(sv) fence = sv->save_r1; /* Stop at previous exception point */
+ 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());
else { /* Were we passed an exception? */
fence = 0xFFFFFFFF; /* Show we go all the way */
if(svssp->save_hdr.save_prev) {
- if((svssp->save_hdr.save_prev <= VM_MAX_KERNEL_ADDRESS) && ((unsigned int)LRA(PPC_SID_KERNEL, (void *)svssp->save_hdr.save_prev))) { /* Valid address? */
- fence = svssp->save_hdr.save_prev->save_r1; /* Stop at previous exception point */
+ if((svssp->save_hdr.save_prev <= vm_last_addr) && ((unsigned int)pmap_find_phys(kernel_pmap, (addr64_t)svssp->save_hdr.save_prev))) { /* Valid address? */
+ psv = (savearea *)((unsigned int)svssp->save_hdr.save_prev); /* Get the 64-bit back chain converted to a regualr pointer */
+ fence = (unsigned int)psv->save_r1; /* Stop at previous exception point */
}
}
kdb_printf("Proceeding back via exception chain:\n");
while(sv) { /* Do them all... */
- if(!((sv <= VM_MAX_KERNEL_ADDRESS) && (unsigned int)LRA(PPC_SID_KERNEL, (void *)sv))) { /* Valid address? */
+ if(!(((addr64_t)((uintptr_t)sv) <= vm_last_addr) &&
+ (unsigned int)pmap_find_phys(kernel_pmap, (addr64_t)((uintptr_t)sv)))) { /* Valid address? */
kdb_printf(" Exception state (sv=0x%08X) Not mapped or invalid. stopping...\n", sv);
break;
}
else {
fence = 0xFFFFFFFF; /* Show we go all the way */
if(sv->save_hdr.save_prev) {
- if((sv->save_hdr.save_prev <= VM_MAX_KERNEL_ADDRESS) && ((unsigned int)LRA(PPC_SID_KERNEL, (void *)sv->save_hdr.save_prev))) { /* Valid address? */
- fence = sv->save_hdr.save_prev->save_r1; /* Stop at previous exception point */
+ if((sv->save_hdr.save_prev <= vm_last_addr) && ((unsigned int)pmap_find_phys(kernel_pmap, (addr64_t)sv->save_hdr.save_prev))) { /* Valid address? */
+ psv = (savearea *)((unsigned int)sv->save_hdr.save_prev); /* Get the 64-bit back chain converted to a regualr pointer */
+ fence = (unsigned int)psv->save_r1; /* Stop at previous exception point */
}
}
dump_savearea(sv, fence); /* Dump this savearea */
}
- sv = sv->save_hdr.save_prev; /* Back chain */
+ sv = CAST_DOWN(savearea *, sv->save_hdr.save_prev); /* Back chain */
}
kdb_printf("\nKernel version:\n%s\n",version); /* Print kernel version */
pbtcpu = -1; /* Mark as unowned */
hw_lock_unlock(&pbtlock); /* Allow another back trace to happen */
- hw_atomic_sub(&pbtcnt, 1); /* Show we are done */
+ hw_atomic_sub((uint32_t *) &pbtcnt, 1); /* Show we are done */
while(pbtcnt); /* Wait for completion */
else xcode = trap_type[sv->save_exception / 4]; /* Point to the type */
kdb_printf(" PC=0x%08X; MSR=0x%08X; DAR=0x%08X; DSISR=0x%08X; LR=0x%08X; R1=0x%08X; XCP=0x%08X (%s)\n",
- sv->save_srr0, sv->save_srr1, sv->save_dar, sv->save_dsisr,
- sv->save_lr, sv->save_r1, sv->save_exception, xcode);
+ (unsigned int)sv->save_srr0, (unsigned int)sv->save_srr1, (unsigned int)sv->save_dar, sv->save_dsisr,
+ (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(sv->save_r1, fence); /* Dump the stack back trace from here if not user state */
+ dump_backtrace((unsigned int)sv->save_r1, fence); /* Dump the stack back trace from here if not user state */
}
return;
if(!stackptr || (stackptr == fence)) break; /* Hit stop point or end... */
- if(stackptr & 0x0000000f) { /* Is stack pointer valid? */
+ if(stackptr & 0x0000000F) { /* Is stack pointer valid? */
kdb_printf("\n backtrace terminated - unaligned frame address: 0x%08X\n", stackptr); /* No, tell 'em */
break;
}
- raddr = (unsigned int)LRA(PPC_SID_KERNEL, (void *)stackptr); /* Get physical frame address */
- if(!raddr || (stackptr > VM_MAX_KERNEL_ADDRESS)) { /* Is it mapped? */
+ raddr = (unsigned int)pmap_find_phys(kernel_pmap, (addr64_t)stackptr); /* Get physical frame address */
+ if(!raddr || (stackptr > vm_last_addr)) { /* Is it mapped? */
kdb_printf("\n backtrace terminated - frame not mapped or invalid: 0x%08X\n", stackptr); /* No, tell 'em */
break;
}
- if(raddr >= mem_actual) { /* Is it within physical RAM? */
+ if(!mapping_phys_lookup(raddr, &dumbo)) { /* Is it within physical RAM? */
kdb_printf("\n backtrace terminated - frame outside of RAM: v=0x%08X, p=%08X\n", stackptr, raddr); /* No, tell 'em */
break;
}
- ReadReal(raddr, &sframe[0]); /* Fetch the stack frame */
+ ReadReal((addr64_t)((raddr << 12) | (stackptr & 4095)), &sframe[0]); /* Fetch the stack frame */
bframes[i] = sframe[LRindex]; /* Save the link register */
/* everything should be printed now so copy to NVRAM
*/
if( debug_buf_size > 0)
- pi_size = PESavePanicInfo( debug_buf, debug_buf_ptr - debug_buf);
+
+ {
+ /* Do not compress the panic log unless kernel debugging
+ * is disabled - the panic log isn't synced to NVRAM if
+ * debugging is enabled, and the panic log is valuable
+ * whilst debugging
+ */
+ if (!panicDebugging)
+ {
+ unsigned int bufpos;
+
+ /* Now call the compressor */
+ bufpos = packAsc (debug_buf, (unsigned int) (debug_buf_ptr - debug_buf) );
+ /* If compression was successful, use the compressed length */
+ if (bufpos)
+ {
+ debug_buf_ptr = debug_buf + bufpos;
+ }
+ }
+ /* Truncate if the buffer is larger than a certain magic
+ * size - this really ought to be some appropriate fraction
+ * of the NVRAM image buffer, and is best done in the
+ * savePanicInfo() or PESavePanicInfo() calls
+ */
+ pi_size = debug_buf_ptr - debug_buf;
+ pi_size = PESavePanicInfo( debug_buf, ((pi_size > 2040) ? 2040 : pi_size));
+ }
if( !panicDebugging && (pi_size != 0) ) {
int my_cpu, debugger_cpu;
disableDebugOuput = FALSE;
debug_mode = TRUE;
- failcode = sv->save_r3; /* Get the failure code */
+ failcode = (unsigned int)sv->save_r3; /* Get the failure code */
if(failcode > failUnknown) failcode = failUnknown; /* Set unknown code code */
- kprintf("System Failure: cpu=%d; code=%08X (%s)\n", cpu_number(), sv->save_r3, failNames[failcode]);
- kdb_printf("System Failure: cpu=%d; code=%08X (%s)\n", cpu_number(), sv->save_r3, failNames[failcode]);
+ kprintf("System Failure: cpu=%d; code=%08X (%s)\n", cpu_number(), (unsigned int)sv->save_r3, failNames[failcode]);
+ kdb_printf("System Failure: cpu=%d; code=%08X (%s)\n", cpu_number(), (unsigned int)sv->save_r3, failNames[failcode]);
print_backtrace(sv); /* Attempt to print backtrace */
Call_DebuggerC(type, sv); /* Attempt to get into debugger */
struct savearea *saved_state)
{
int directcall, wait;
- vm_offset_t instr_ptr;
+ addr64_t instr_ptr;
+ ppnum_t instr_pp;
unsigned int instr;
int my_cpu, tcpu;
my_cpu, debugger_is_slave[my_cpu], debugger_cpu, saved_state->save_srr0);
}
- if (instr_ptr = (vm_offset_t)LRA(PPC_SID_KERNEL, (void *)(saved_state->save_srr0))) {
- instr = ml_phys_read(instr_ptr); /* Get the trap that caused entry */
+ instr_pp = (vm_offset_t)pmap_find_phys(kernel_pmap, (addr64_t)(saved_state->save_srr0));
+
+ if (instr_pp) {
+ instr_ptr = (addr64_t)(((addr64_t)instr_pp << 12) | (saved_state->save_srr0 & 0xFFF)); /* Make physical address */
+ instr = ml_phys_read_64(instr_ptr); /* Get the trap that caused entry */
}
else instr = 0;
#if 0
- if (debugger_debug) kprintf("Call_DebuggerC(%d): instr_ptr = %08X, instr = %08X\n", my_cpu, instr_ptr, instr); /* (TEST/DEBUG) */
+ if (debugger_debug) kprintf("Call_DebuggerC(%d): instr_pp = %08X, instr_ptr = %016llX, instr = %08X\n", my_cpu, instr_pp, instr_ptr, instr); /* (TEST/DEBUG) */
#endif
if (db_breakpoints_inserted) cpus_holding_bkpts++; /* Bump up the holding count */
}
+struct pasc {
+ unsigned a: 7;
+ unsigned b: 7;
+ unsigned c: 7;
+ unsigned d: 7;
+ unsigned e: 7;
+ unsigned f: 7;
+ unsigned g: 7;
+ unsigned h: 7;
+} __attribute__((packed));
+
+typedef struct pasc pasc_t;
+int packAsc (unsigned char *inbuf, unsigned int length)
+{
+ unsigned int i, j = 0;
+ pasc_t pack;
+
+ for (i = 0; i < length; i+=8)
+ {
+ pack.a = inbuf[i];
+ pack.b = inbuf[i+1];
+ pack.c = inbuf[i+2];
+ pack.d = inbuf[i+3];
+ pack.e = inbuf[i+4];
+ pack.f = inbuf[i+5];
+ pack.g = inbuf[i+6];
+ pack.h = inbuf[i+7];
+ bcopy ((char *) &pack, inbuf + j, 7);
+ j += 7;
+ }
+ if (0 != (i - length))
+ inbuf[j - (i - length)] &= 0xFF << (8-(i - length));
+ return j-(((i-length) == 7) ? 6 : (i - length));
+}
projects / apple / xnu.git / blobdiff