/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* 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
- * file.
+ * 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
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
-#include <cpus.h>
#include <platforms.h>
#include <time_stamp.h>
#include <mach_mp_debug.h>
#include <vm/pmap.h>
#include <ppc/mem.h>
-#include <ppc/thread.h>
#include <ppc/db_machdep.h>
#include <ppc/trap.h>
#include <ppc/setjmp.h>
#include <ppc/pmap.h>
#include <ppc/misc_protos.h>
+#include <ppc/cpu_internal.h>
#include <ppc/exception.h>
#include <ppc/db_machdep.h>
#include <ppc/mappings.h>
#include <ppc/Firmware.h>
+#include <ppc/serial_io.h> /* for switch_to_serial_console */
#include <mach/vm_param.h>
#include <mach/machine/vm_types.h>
#include <kern/thread.h>
#include <kern/task.h>
#include <kern/debug.h>
+#include <kern/machine.h> /* for halt_all_cpus() */
+#include <pexpert/pexpert.h>
+#include <IOKit/IOPlatformExpert.h>
#include <ddb/db_command.h>
#include <ddb/db_task_thread.h>
struct savearea *ppc_last_saved_statep;
struct savearea ppc_nested_saved_state;
unsigned ppc_last_kdb_sp;
+db_regs_t ddb_regs; /* register state */
-extern int debugger_active[NCPUS]; /* Debugger active on CPU */
extern int debugger_cpu; /* Current cpu running debugger */
int db_all_set_up = 0;
struct ppc_interrupt_state *is;
};
-extern char * trap_type[];
extern int TRAP_TYPES;
/*
int code,
int *pc,
int sp);
-extern int db_user_to_kernel_address(
- task_t task,
- vm_offset_t addr,
- unsigned *kaddr,
- int flag);
extern void db_write_bytes_user_space(
vm_offset_t addr,
int size,
#endif
extern jmp_buf_t *db_recover;
-spl_t saved_ipl[NCPUS]; /* just to know what IPL was before trap */
-struct savearea *saved_state[NCPUS];
/*
* kdb_trap - field a TRACE or BPT trap
db_printf("type %d", type);
else
db_printf("%s", trap_type[type]);
- db_printf(" trap, pc = %x\n",
+ db_printf(" trap, pc = %llx\n",
regs->save_srr0);
db_error("");
/*NOTREACHED*/
kdbprinttrap(type, code, (int *)®s->save_srr0, regs->save_r1);
}
- saved_state[cpu_number()] = regs;
+ getPerProc()->db_saved_state = regs;
ppc_last_saved_statep = regs;
ppc_last_kdb_sp = (unsigned) &type;
(db_get_task_value(regs->save_srr0,
BKPT_SIZE,
FALSE,
- db_target_space(current_act(),
+ db_target_space(current_thread(),
trap_from_user))
== BKPT_INST))
regs->save_srr0 += BKPT_SIZE;
-kdb_exit:
- saved_state[cpu_number()] = 0;
+ getPerProc()->db_saved_state = 0;
switch_to_old_console(previous_console_device);
}
/*
*
*/
-vm_offset_t db_vtophys(
- pmap_t pmap,
- vm_offset_t va)
+static addr64_t
+db_vtophys(pmap_t pmap, vm_offset_t va)
{
- register mapping *mp;
- register vm_offset_t pa;
-
- pa = (vm_offset_t)LRA(pmap->space,(void *)va);
+ ppnum_t pp;
+ addr64_t pa;
- if (pa != 0)
- return(pa);
+ pp = pmap_find_phys(pmap, (addr64_t)va);
- mp = hw_lock_phys_vir(pmap->space, va);
- if((unsigned int)mp&1) {
- return 0;
- }
-
- if(!mp) { /* If it was not a normal page */
- pa = hw_cvp_blk(pmap, va); /* Try to convert odd-sized page (returns 0 if not found) */
- return pa; /* Return physical address */
- }
-
- mp = hw_cpv(mp); /* Convert to virtual address */
-
- if(!mp->physent) {
- pa = (vm_offset_t)((mp->PTEr & -PAGE_SIZE) | ((unsigned int)va & (PAGE_SIZE-1)));
- } else {
- pa = (vm_offset_t)((mp->physent->pte1 & -PAGE_SIZE) | ((unsigned int)va & (PAGE_SIZE-1)));
- hw_unlock_bit((unsigned int *)&mp->physent->phys_link, PHYS_LOCK);
- }
+ if (pp == 0) return(0); /* Couldn't find it */
+
+ pa = ((addr64_t)pp << 12) | (addr64_t)(va & 0xFFF); /* Get physical address */
return(pa);
}
-int
-db_user_to_kernel_address(
- task_t task,
- vm_offset_t addr,
- unsigned *kaddr,
- int flag)
-{
- unsigned int sr_val, raddr;
-
- raddr = (unsigned int)db_vtophys(task->map->pmap, trunc_page(addr)); /* Get the real address */
-
- if (!raddr) {
- if (flag) {
- db_printf("\nno memory is assigned to address %08x\n", addr);
- db_error(0);
- /* NOTREACHED */
- }
- return -1;
- }
- sr_val = SEG_REG_PROT | task->map->pmap->space
- | ((addr >> 8) & 0x00F00000);
-
- mtsr(SR_COPYIN_NUM, sr_val);
- sync();
- *kaddr = (addr & 0x0fffffff) | (SR_COPYIN_NUM << 28);
- return(0);
-}
-
/*
* Read bytes from task address space for debugger.
*/
task_t task)
{
int n,max;
- unsigned phys_dst;
- unsigned phys_src;
+ addr64_t phys_dst;
+ addr64_t phys_src;
pmap_t pmap;
while (size > 0) {
else
pmap = kernel_pmap;
- phys_src = (unsigned int)db_vtophys(pmap, trunc_page(addr));
+ phys_src = db_vtophys(pmap, (vm_offset_t)addr);
if (phys_src == 0) {
db_printf("\nno memory is assigned to src address %08x\n",
addr);
db_error(0);
/* NOTREACHED */
}
- phys_src = phys_src| (addr & page_mask);
- phys_dst = (unsigned int)db_vtophys(kernel_pmap, trunc_page(data));
+ phys_dst = db_vtophys(kernel_pmap, (vm_offset_t)data);
if (phys_dst == 0) {
db_printf("\nno memory is assigned to dst address %08x\n",
data);
/* NOTREACHED */
}
- phys_dst = phys_dst | (((vm_offset_t) data) & page_mask);
-
/* don't over-run any page boundaries - check src range */
- max = ppc_round_page(phys_src) - phys_src;
+ max = round_page_64(phys_src + 1) - phys_src;
if (max > size)
max = size;
/* Check destination won't run over boundary either */
- n = ppc_round_page(phys_dst) - phys_dst;
- if (n < max)
- max = n;
+ n = round_page_64(phys_dst + 1) - phys_dst;
+
+ if (n < max) max = n;
size -= max;
addr += max;
phys_copy(phys_src, phys_dst, max);
/* resync I+D caches */
- sync_cache(phys_dst, max);
+ sync_cache64(phys_dst, max);
phys_src += max;
phys_dst += max;
task_t task)
{
int n,max;
- unsigned phys_dst;
- unsigned phys_src;
+ addr64_t phys_dst;
+ addr64_t phys_src;
pmap_t pmap;
while (size > 0) {
- phys_src = (unsigned int)db_vtophys(kernel_pmap, trunc_page(data));
+ phys_src = db_vtophys(kernel_pmap, (vm_offset_t)data);
if (phys_src == 0) {
db_printf("\nno memory is assigned to src address %08x\n",
data);
/* NOTREACHED */
}
- phys_src = phys_src | (((vm_offset_t) data) & page_mask);
-
/* space stays as kernel space unless in another task */
if (task == NULL) pmap = kernel_pmap;
else pmap = task->map->pmap;
- phys_dst = (unsigned int)db_vtophys(pmap, trunc_page(addr));
+ phys_dst = db_vtophys(pmap, (vm_offset_t)addr);
if (phys_dst == 0) {
db_printf("\nno memory is assigned to dst address %08x\n",
addr);
db_error(0);
/* NOTREACHED */
}
- phys_dst = phys_dst| (addr & page_mask);
/* don't over-run any page boundaries - check src range */
- max = ppc_round_page(phys_src) - phys_src;
+ max = round_page_64(phys_src + 1) - phys_src;
if (max > size)
max = size;
/* Check destination won't run over boundary either */
- n = ppc_round_page(phys_dst) - phys_dst;
+ n = round_page_64(phys_dst + 1) - phys_dst;
if (n < max)
max = n;
size -= max;
phys_copy(phys_src, phys_dst, max);
/* resync I+D caches */
- sync_cache(phys_dst, max);
+ sync_cache64(phys_dst, max);
phys_src += max;
phys_dst += max;
task_t task)
{
register int n;
- unsigned int kern_addr;
if (task == kernel_task || task == TASK_NULL) {
- if (kernel_task == TASK_NULL)
- return(TRUE);
+ if (kernel_task == TASK_NULL) return(TRUE);
task = kernel_task;
} else if (task == TASK_NULL) {
- if (current_act() == THR_ACT_NULL)
- return(FALSE);
- task = current_act()->task;
+ if (current_thread() == THR_ACT_NULL) return(FALSE);
+ task = current_thread()->task;
}
+
while (size > 0) {
- if (db_user_to_kernel_address(task, addr, &kern_addr, 0) < 0)
- return(FALSE);
- n = ppc_trunc_page(addr+PPC_PGBYTES) - addr;
+ if(!pmap_find_phys(task->map->pmap, (addr64_t)addr)) return (FALSE); /* Fail if page not mapped */
+ n = trunc_page_32(addr+PPC_PGBYTES) - addr;
if (n > size)
n = size;
size -= n;
task_t task2,
vm_offset_t addr2)
{
- vm_offset_t physa, physb;
+ addr64_t physa, physb;
if ((addr1 & (PPC_PGBYTES-1)) != (addr2 & (PPC_PGBYTES-1))) /* Is byte displacement the same? */
return FALSE;
if (task1 == TASK_NULL) { /* See if there is a task active */
- if (current_act() == THR_ACT_NULL) /* See if there is a current task */
+ if (current_thread() == THR_ACT_NULL) /* See if there is a current task */
return FALSE;
- task1 = current_act()->task; /* If so, use that one */
+ task1 = current_thread()->task; /* If so, use that one */
}
- if(!(physa = db_vtophys(task1->map->pmap, trunc_page(addr1)))) return FALSE; /* Get real address of the first */
- if(!(physb = db_vtophys(task2->map->pmap, trunc_page(addr2)))) return FALSE; /* Get real address of the second */
+ if(!(physa = db_vtophys(task1->map->pmap, (vm_offset_t)trunc_page_32(addr1)))) return FALSE; /* Get real address of the first */
+ if(!(physb = db_vtophys(task2->map->pmap, (vm_offset_t)trunc_page_32(addr2)))) return FALSE; /* Get real address of the second */
return (physa == physb); /* Check if they are equal, then return... */
}
#define DB_USER_STACK_ADDR (0xc0000000)
#define DB_NAME_SEARCH_LIMIT (DB_USER_STACK_ADDR-(PPC_PGBYTES*3))
+boolean_t
+db_phys_cmp(__unused vm_offset_t a1, __unused vm_offset_t a2,
+ __unused vm_size_t s1)
+{
+ db_printf("db_phys_cmp: not implemented\n");
+ return 0;
+}
+
+
int
-db_search_null(
- task_t task,
- unsigned *svaddr,
- unsigned evaddr,
- unsigned *skaddr,
- int flag)
+db_search_null(__unused task_t task, __unused unsigned *svaddr,
+ __unused unsigned evaddr, __unused unsigned *skaddr,
+ __unused int flag)
{
- register unsigned vaddr;
- register unsigned *kaddr;
-
- kaddr = (unsigned *)*skaddr;
- for (vaddr = *svaddr; vaddr > evaddr; ) {
- if (vaddr % PPC_PGBYTES == 0) {
- vaddr -= sizeof(unsigned);
- if (db_user_to_kernel_address(task, vaddr, skaddr, 0) < 0)
- return(-1);
- kaddr = (unsigned *)*skaddr;
- } else {
- vaddr -= sizeof(unsigned);
- kaddr--;
- }
- if ((*kaddr == 0) ^ (flag == 0)) {
- *svaddr = vaddr;
- *skaddr = (unsigned)kaddr;
- return(0);
- }
- }
+ db_printf("db_search_null: not implemented\n");
return(-1);
}
+struct proc;
+unsigned char *getProcName(struct proc *proc);
+
void
db_task_name(
task_t task)
{
- register char *p;
- register int n;
- unsigned int vaddr, kaddr;
-
- vaddr = DB_USER_STACK_ADDR;
- kaddr = 0;
-
- /*
- * skip nulls at the end
- */
- if (db_search_null(task, &vaddr, DB_NAME_SEARCH_LIMIT, &kaddr, 0) < 0) {
- db_printf(DB_NULL_TASK_NAME);
- return;
- }
- /*
- * search start of args
- */
- if (db_search_null(task, &vaddr, DB_NAME_SEARCH_LIMIT, &kaddr, 1) < 0) {
- db_printf(DB_NULL_TASK_NAME);
- return;
- }
+ register unsigned char *p;
+ unsigned char tname[33];
+ int i;
- n = DB_TASK_NAME_LEN-1;
- p = (char *)kaddr + sizeof(unsigned);
- for (vaddr += sizeof(int); vaddr < DB_USER_STACK_ADDR && n > 0;
- vaddr++, p++, n--) {
- if (vaddr % PPC_PGBYTES == 0) {
- if (db_user_to_kernel_address(task, vaddr, &kaddr, 0) <0)
- return;
- p = (char*)kaddr;
- }
- db_printf("%c", (*p < ' ' || *p > '~')? ' ': *p);
+ p = 0;
+ tname[0] = 0;
+
+ if(task->bsd_info) p = getProcName((struct proc *)(task->bsd_info)); /* Point to task name */
+
+ if(p) {
+ for(i = 0; i < 32; i++) { /* Move no more than 32 bytes */
+ tname[i] = p[i];
+ if(p[i] == 0) break;
+ }
+ tname[i] = 0;
+ db_printf("%s", tname);
}
- while (n-- >= 0) /* compare with >= 0 for one more space */
- db_printf(" ");
+ else db_printf("no name");
}
+extern int kdb_flag;
void
-db_machdep_init(void) {
+db_machdep_init(void)
+{
#define KDB_READY 0x1
- extern int kdb_flag;
-
kdb_flag |= KDB_READY;
}
#ifdef __STDC__
-#define KDB_SAVE(type, name) extern type name; type name##_save = name
+//#define KDB_SAVE(type, name) extern type name; type name##_save = name
+#define KDB_SAVE(type, name) type name##_save = name
#define KDB_RESTORE(name) name = name##_save
#else /* __STDC__ */
-#define KDB_SAVE(type, name) extern type name; type name/**/_save = name
+#define KDB_SAVE(type, name) type name/**/_save = name
+//#define KDB_SAVE(type, name) extern type name; type name/**/_save = name
#define KDB_RESTORE(name) name = name/**/_save
#endif /* __STDC__ */
KDB_RESTORE(db_next); \
KDB_RESTORE(ddb_regs);
+extern boolean_t db_sstep_print;
+extern int db_loop_count;
+extern int db_call_depth;
+extern int db_inst_count;
+extern int db_last_inst_count;
+extern int db_load_count;
+extern int db_store_count;
+extern boolean_t db_cmd_loop_done;
+extern void unlock_debugger(void);
+extern void lock_debugger(void);
/*
* switch to another cpu
*/
int cpu)
{
KDB_SAVE_CTXT();
- if (cpu < 0 || cpu >= NCPUS || !debugger_active[cpu])
+ if (cpu < 0 || cpu >= (int)real_ncpus || !PerProcTable[cpu].ppe_vaddr->debugger_active)
return;
db_set_breakpoints();
db_set_watchpoints();
KDB_RESTORE_CTXT();
if (debugger_cpu == -1) {/* someone continued */
debugger_cpu = cpu_number();
- db_continue_cmd(0, 0, 0, "");
+ db_continue_cmd(0, 0, 0, NULL);
}
}
/*
* system reboot
*/
-void db_reboot(
- db_expr_t addr,
- boolean_t have_addr,
- db_expr_t count,
- char *modif)
+
+void
+db_reboot(__unused db_expr_t addr, __unused boolean_t have_addr,
+ __unused db_expr_t count, char *modif)
{
boolean_t reboot = TRUE;
char *cp, c;
if (c == 'h') /* halt */
reboot = FALSE;
}
- halt_all_cpus(reboot);
-}
+ if(!reboot) halt_all_cpus(FALSE); /* If no reboot, try to be clean about it */
-/*
- * Switch to gdb
- */
-void
-db_to_gdb(
- void)
-{
- extern unsigned int switch_debugger;
+ if (PE_halt_restart)
+ (*PE_halt_restart)(kPERestartCPU);
+ db_printf("Sorry, system can't reboot automatically yet... You need to do it by hand...\n");
- switch_debugger=1;
}
projects / apple / xnu.git / blobdiff