/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
- *
- * 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
+ * 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
+ *
+ * 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_HEADER_END@
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
*/
#include <mach/mach_types.h>
#include <kdp/kdp_internal.h>
#include <ppc/savearea.h>
#include <kern/debug.h>
+#include <IOKit/IOPlatformExpert.h>
+
+
+#include <kern/thread.h>
+#include <ppc/thread.h>
+#include <vm/vm_map.h>
+#include <ppc/pmap.h>
#define KDP_TEST_HARNESS 0
#if KDP_TEST_HARNESS
int kdp_getc(void);
boolean_t kdp_call_kdb(void);
+extern pmap_t kdp_pmap;
+extern uint32_t kdp_src_high32;
+
+
+extern unsigned kdp_vm_read(caddr_t src, caddr_t dst, unsigned len);
+
+int
+machine_trace_thread(thread_t thread, uint32_t tracepos, uint32_t tracebound, int nframes, boolean_t user_p);
+
+int
+machine_trace_thread64(thread_t thread, uint32_t tracepos, uint32_t tracebound, int nframes, boolean_t user_p);
+
+unsigned
+machine_read64(addr64_t srcaddr, caddr_t dstaddr, uint32_t len);
+
void
kdp_exception(
unsigned char *pkt,
bzero((char *)state,sizeof (struct ppc_thread_state)) ;
+ state->srr0 = (unsigned int)saved_state->save_srr0;
+ state->srr1 = (unsigned int)saved_state->save_srr1;
+ state->r0 = (unsigned int)saved_state->save_r0;
+ state->r1 = (unsigned int)saved_state->save_r1;
+ state->r2 = (unsigned int)saved_state->save_r2;
+ state->r3 = (unsigned int)saved_state->save_r3;
+ state->r4 = (unsigned int)saved_state->save_r4;
+ state->r5 = (unsigned int)saved_state->save_r5;
+ state->r6 = (unsigned int)saved_state->save_r6;
+ state->r7 = (unsigned int)saved_state->save_r7;
+ state->r8 = (unsigned int)saved_state->save_r8;
+ state->r9 = (unsigned int)saved_state->save_r9;
+ state->r10 = (unsigned int)saved_state->save_r10;
+ state->r11 = (unsigned int)saved_state->save_r11;
+ state->r12 = (unsigned int)saved_state->save_r12;
+ state->r13 = (unsigned int)saved_state->save_r13;
+ state->r14 = (unsigned int)saved_state->save_r14;
+ state->r15 = (unsigned int)saved_state->save_r15;
+ state->r16 = (unsigned int)saved_state->save_r16;
+ state->r17 = (unsigned int)saved_state->save_r17;
+ state->r18 = (unsigned int)saved_state->save_r18;
+ state->r19 = (unsigned int)saved_state->save_r19;
+ state->r20 = (unsigned int)saved_state->save_r20;
+ state->r21 = (unsigned int)saved_state->save_r21;
+ state->r22 = (unsigned int)saved_state->save_r22;
+ state->r23 = (unsigned int)saved_state->save_r23;
+ state->r24 = (unsigned int)saved_state->save_r24;
+ state->r25 = (unsigned int)saved_state->save_r25;
+ state->r26 = (unsigned int)saved_state->save_r26;
+ state->r27 = (unsigned int)saved_state->save_r27;
+ state->r28 = (unsigned int)saved_state->save_r28;
+ state->r29 = (unsigned int)saved_state->save_r29;
+ state->r30 = (unsigned int)saved_state->save_r30;
+ state->r31 = (unsigned int)saved_state->save_r31;
+ state->cr = (unsigned int)saved_state->save_cr;
+ state->xer = (unsigned int)saved_state->save_xer;
+ state->lr = (unsigned int)saved_state->save_lr;
+ state->ctr = (unsigned int)saved_state->save_ctr;
+}
+
+static void
+kdp_getintegerstate64(
+ struct ppc_thread_state64 *state
+)
+{
+ struct savearea *saved_state;
+
+ saved_state = kdp.saved_state;
+
+ bzero((char *)state,sizeof (struct ppc_thread_state64)) ;
+
state->srr0 = saved_state->save_srr0;
state->srr1 = saved_state->save_srr1;
state->r0 = saved_state->save_r0;
kdp_getintegerstate((struct ppc_thread_state *)data);
*size = PPC_THREAD_STATE_COUNT * sizeof(int);
return KDPERR_NO_ERROR;
-
+
+ case PPC_THREAD_STATE64:
+ dprintf(("kdp_readregs THREAD_STATE\n"));
+ kdp_getintegerstate64((struct ppc_thread_state64 *)data);
+ *size = PPC_THREAD_STATE64_COUNT * sizeof(int);
+ return KDPERR_NO_ERROR;
+
case PPC_FLOAT_STATE:
dprintf(("kdp_readregs THREAD_FPSTATE\n"));
bzero((char *)data ,sizeof(struct ppc_float_state));
*size = PPC_FLOAT_STATE_COUNT * sizeof(int);
return KDPERR_NO_ERROR;
-
+
default:
dprintf(("kdp_readregs bad flavor %d\n"));
return KDPERR_BADFLAVOR;
saved_state->save_ctr = state->ctr;
}
+static void
+kdp_setintegerstate64(
+ struct ppc_thread_state64 *state
+)
+{
+ struct savearea *saved_state;
+
+ saved_state = kdp.saved_state;
+
+ saved_state->save_srr0 = state->srr0;
+ saved_state->save_srr1 = state->srr1;
+ saved_state->save_r0 = state->r0;
+ saved_state->save_r1 = state->r1;
+ saved_state->save_r2 = state->r2;
+ saved_state->save_r3 = state->r3;
+ saved_state->save_r4 = state->r4;
+ saved_state->save_r5 = state->r5;
+ saved_state->save_r6 = state->r6;
+ saved_state->save_r7 = state->r7;
+ saved_state->save_r8 = state->r8;
+ saved_state->save_r9 = state->r9;
+ saved_state->save_r10 = state->r10;
+ saved_state->save_r11 = state->r11;
+ saved_state->save_r12 = state->r12;
+ saved_state->save_r13 = state->r13;
+ saved_state->save_r14 = state->r14;
+ saved_state->save_r15 = state->r15;
+ saved_state->save_r16 = state->r16;
+ saved_state->save_r17 = state->r17;
+ saved_state->save_r18 = state->r18;
+ saved_state->save_r19 = state->r19;
+ saved_state->save_r20 = state->r20;
+ saved_state->save_r21 = state->r21;
+ saved_state->save_r22 = state->r22;
+ saved_state->save_r23 = state->r23;
+ saved_state->save_r24 = state->r24;
+ saved_state->save_r25 = state->r25;
+ saved_state->save_r26 = state->r26;
+ saved_state->save_r27 = state->r27;
+ saved_state->save_r28 = state->r28;
+ saved_state->save_r29 = state->r29;
+ saved_state->save_r30 = state->r30;
+ saved_state->save_r31 = state->r31;
+ saved_state->save_cr = state->cr;
+ saved_state->save_xer = state->xer;
+ saved_state->save_lr = state->lr;
+ saved_state->save_ctr = state->ctr;
+}
+
kdp_error_t
kdp_machine_write_regs(
unsigned int cpu,
DumpTheSave((struct savearea *)data); /* (TEST/DEBUG) */
#endif
return KDPERR_NO_ERROR;
-
+
+ case PPC_THREAD_STATE64:
+ dprintf(("kdp_writeregs THREAD_STATE64\n"));
+ kdp_setintegerstate64((struct ppc_thread_state64 *)data);
+
+#if KDP_TEST_HARNESS
+ DumpTheSave((struct savearea *)data); /* (TEST/DEBUG) */
+#endif
+ return KDPERR_NO_ERROR;
case PPC_FLOAT_STATE:
dprintf(("kdp_writeregs THREAD_FPSTATE\n"));
return KDPERR_NO_ERROR;
-
+
default:
dprintf(("kdp_writeregs bad flavor %d\n"));
return KDPERR_BADFLAVOR;
kdp_hostinfo_t *hostinfo
)
{
- machine_slot_t m;
int i;
hostinfo->cpus_mask = 0;
hostinfo->cpu_type = 0;
for (i = 0; i < machine_info.max_cpus; i++) {
- m = &machine_slot[i];
- if (!m->is_cpu)
+ if ((PerProcTable[i].ppe_vaddr == (struct per_proc_info *)NULL) ||
+ !(PerProcTable[i].ppe_vaddr->running))
continue;
hostinfo->cpus_mask |= (1 << i);
if (hostinfo->cpu_type == 0) {
- hostinfo->cpu_type = m->cpu_type;
- hostinfo->cpu_subtype = m->cpu_subtype;
+ hostinfo->cpu_type = slot_type(i);
+ hostinfo->cpu_subtype = slot_subtype(i);
}
}
}
void
kdp_reboot(void)
{
- halt_all_cpus(TRUE);;
+ printf("Attempting system restart...");
+ /* Call the platform specific restart*/
+ if (PE_halt_restart)
+ (*PE_halt_restart)(kPERestartCPU);
+ /* If we do reach this, give up */
+ halt_all_cpus(TRUE);
}
int
)
{
unsigned int *fp;
- unsigned int register sp;
+ unsigned int sp;
struct savearea *state;
if (kdp_noisy) {
if (kdp_noisy)
printf("kdp_trap: kdp_raise_exception() ret\n");
- if (*((int *)saved_state->save_srr0) == 0x7c800008)
+ if ((unsigned int)(saved_state->save_srr0) == 0x7c800008)
saved_state->save_srr0 += 4; /* BKPT_SIZE */
if(saved_state->save_srr1 & (MASK(MSR_SE) | MASK(MSR_BE))) { /* Are we just stepping or continuing */
{
extern void kdp_print_registers(struct savearea *);
extern void print_backtrace(struct savearea *);
- extern unsigned int debug_mode, disableDebugOuput;
disableDebugOuput = FALSE;
debug_mode = TRUE;
while(1);
}
-unsigned int kdp_ml_get_breakinsn()
+unsigned int kdp_ml_get_breakinsn(void)
{
return 0x7fe00008;
}
+#define LR_OFFSET 8
+#define LR_OFFSET64 16
+
+int
+machine_trace_thread(thread_t thread, uint32_t tracepos, uint32_t tracebound, int nframes, boolean_t user_p)
+{
+ uint32_t *tracebuf = (uint32_t *)tracepos;
+ uint32_t fence = 0;
+ uint32_t stackptr = 0;
+ uint32_t stacklimit = 0xb0000000;
+ int framecount = 0;
+ uint32_t init_srr0 = 0;
+ uint32_t prevsp = 0;
+ uint32_t framesize = 2 * sizeof(vm_offset_t);
+
+ if (user_p) {
+ /* Examine the user savearea */
+ init_srr0 = thread->machine.upcb->save_srr0;
+ stackptr = thread->machine.upcb->save_r1;
+ /* This bound isn't useful, but it doesn't hinder us */
+ stacklimit = 0xffffffff;
+ kdp_pmap = thread->task->map->pmap;
+ }
+ else {
+ stackptr = thread->machine.pcb->save_r1;
+ init_srr0 = thread->machine.pcb->save_srr0;
+ }
+ /* Fill in the "current" program counter */
+ *tracebuf++ = init_srr0;
+
+ for (framecount = 0; framecount < nframes; framecount++) {
+/* Bounds check */
+ if ((tracebound - ((uint32_t) tracebuf)) < (4 * framesize)) {
+ tracebuf--;
+ break;
+ }
+
+ *tracebuf++ = stackptr;
+/* Invalid frame, or hit fence */
+ if (!stackptr || (stackptr == fence)) {
+ break;
+ }
+/* Stack grows downward */
+ if (stackptr < prevsp) {
+ break;
+ }
+/* Unaligned frame */
+ if (stackptr & 0x000000F) {
+ break;
+ }
+ if (stackptr > stacklimit) {
+ break;
+ }
+/* Assume there's a saved link register, and read it */
+ if (kdp_vm_read((caddr_t) (stackptr + LR_OFFSET), (caddr_t) tracebuf, sizeof(caddr_t)) != sizeof(caddr_t)) {
+ break;
+ }
+
+ tracebuf++;
+ prevsp = stackptr;
+/* Next frame */
+ if (kdp_vm_read((caddr_t) stackptr, (caddr_t) &stackptr, sizeof(caddr_t)) != sizeof(caddr_t)) {
+ *tracebuf++ = 0;
+ break;
+ }
+ }
+/* Reset the target pmap */
+ kdp_pmap = 0;
+ return ((uint32_t) tracebuf - tracepos);
+}
+
+/* Routine to encapsulate the 64-bit address read hack*/
+unsigned
+machine_read64(addr64_t srcaddr, caddr_t dstaddr, uint32_t len)
+{
+ uint32_t kdp_vm_read_low32;
+ unsigned retval;
+
+ kdp_src_high32 = srcaddr >> 32;
+ kdp_vm_read_low32 = srcaddr & 0x00000000FFFFFFFFUL;
+ retval = kdp_vm_read((caddr_t)kdp_vm_read_low32, dstaddr, len);
+ kdp_src_high32 = 0;
+ return retval;
+}
+
+int
+machine_trace_thread64(thread_t thread, uint32_t tracepos, uint32_t tracebound, int nframes, boolean_t user_p)
+{
+ uint64_t *tracebuf = (uint64_t *)tracepos;
+ uint32_t fence = 0;
+ addr64_t stackptr = 0;
+ uint64_t stacklimit = 0xb0000000;
+ int framecount = 0;
+ addr64_t init_srr0 = 0;
+ addr64_t prevsp = 0;
+ unsigned framesize = 2 * sizeof(addr64_t);
+
+ if (user_p) {
+ init_srr0 = thread->machine.upcb->save_srr0;
+ stackptr = thread->machine.upcb->save_r1;
+ stacklimit = 0xffffffffffffffffULL;
+ kdp_pmap = thread->task->map->pmap;
+ }
+ else {
+ stackptr = thread->machine.pcb->save_r1;
+ init_srr0 = thread->machine.pcb->save_srr0;
+ }
+
+ *tracebuf++ = init_srr0;
+
+ for (framecount = 0; framecount < nframes; framecount++) {
+
+ if ((tracebound - ((uint32_t) tracebuf)) < (4 * framesize)) {
+ tracebuf--;
+ break;
+ }
+
+ *tracebuf++ = stackptr;
+
+ if (!stackptr || (stackptr == fence)){
+ break;
+ }
+ if (stackptr < prevsp) {
+ break;
+ }
+ if (stackptr & 0x000000F) {
+ break;
+ }
+ if (stackptr > stacklimit) {
+ break;
+ }
+
+ if (machine_read64(stackptr+LR_OFFSET64, (caddr_t) tracebuf, sizeof(addr64_t)) != sizeof(addr64_t)) {
+ break;
+ }
+ tracebuf++;
+
+ prevsp = stackptr;
+ if (machine_read64(stackptr, (caddr_t) &stackptr, sizeof(addr64_t)) != sizeof(addr64_t)) {
+ *tracebuf++ = 0;
+ break;
+ }
+ }
+
+ kdp_pmap = 0;
+
+ return ((uint32_t) tracebuf - tracepos);
+}
projects / apple / xnu.git / blobdiff