*
* @APPLE_LICENSE_HEADER_START@
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * 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 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.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * 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@
*/
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,
/*
*
*/
-addr64_t db_vtophys(
+vm_offset_t db_vtophys(
pmap_t pmap,
vm_offset_t va)
{
- ppnum_t pp;
- addr64_t pa;
+ register mapping *mp;
+ register vm_offset_t pa;
- pp = pmap_find_phys(pmap, (addr64_t)va);
+ pa = (vm_offset_t)LRA(pmap->space,(void *)va);
- if (pp == 0) return(0); /* Couldn't find it */
-
- pa = ((addr64_t)pp << 12) | (addr64_t)(va & 0xFFF); /* Get physical address */
+ if (pa != 0)
+ return(pa);
+
+ 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);
+ }
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;
- addr64_t phys_dst;
- addr64_t phys_src;
+ unsigned phys_dst;
+ unsigned phys_src;
pmap_t pmap;
while (size > 0) {
else
pmap = kernel_pmap;
- phys_src = db_vtophys(pmap, (vm_offset_t)addr);
+ phys_src = (unsigned int)db_vtophys(pmap, trunc_page(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 = db_vtophys(kernel_pmap, (vm_offset_t)data);
+ phys_dst = (unsigned int)db_vtophys(kernel_pmap, trunc_page(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 = round_page_64(phys_src + 1) - phys_src;
+ max = ppc_round_page(phys_src) - phys_src;
if (max > size)
max = size;
/* Check destination won't run over boundary either */
- n = round_page_64(phys_dst + 1) - phys_dst;
-
- if (n < max) max = n;
+ n = ppc_round_page(phys_dst) - phys_dst;
+ if (n < max)
+ max = n;
size -= max;
addr += max;
phys_copy(phys_src, phys_dst, max);
/* resync I+D caches */
- sync_cache64(phys_dst, max);
+ sync_cache(phys_dst, max);
phys_src += max;
phys_dst += max;
task_t task)
{
int n,max;
- addr64_t phys_dst;
- addr64_t phys_src;
+ unsigned phys_dst;
+ unsigned phys_src;
pmap_t pmap;
while (size > 0) {
- phys_src = db_vtophys(kernel_pmap, (vm_offset_t)data);
+ phys_src = (unsigned int)db_vtophys(kernel_pmap, trunc_page(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 = db_vtophys(pmap, (vm_offset_t)addr);
+ phys_dst = (unsigned int)db_vtophys(pmap, trunc_page(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 = round_page_64(phys_src + 1) - phys_src;
+ max = ppc_round_page(phys_src) - phys_src;
if (max > size)
max = size;
/* Check destination won't run over boundary either */
- n = round_page_64(phys_dst + 1) - phys_dst;
+ n = ppc_round_page(phys_dst) - phys_dst;
if (n < max)
max = n;
size -= max;
phys_copy(phys_src, phys_dst, max);
/* resync I+D caches */
- sync_cache64(phys_dst, max);
+ sync_cache(phys_dst, max);
phys_src += max;
phys_dst += max;
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);
+ if (current_act() == THR_ACT_NULL)
+ return(FALSE);
task = current_act()->task;
}
-
while (size > 0) {
- 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 (db_user_to_kernel_address(task, addr, &kern_addr, 0) < 0)
+ return(FALSE);
+ n = ppc_trunc_page(addr+PPC_PGBYTES) - addr;
if (n > size)
n = size;
size -= n;
task_t task2,
vm_offset_t addr2)
{
- addr64_t physa, physb;
+ vm_offset_t physa, physb;
if ((addr1 & (PPC_PGBYTES-1)) != (addr2 & (PPC_PGBYTES-1))) /* Is byte displacement the same? */
return FALSE;
task1 = current_act()->task; /* If so, use that one */
}
- 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 */
+ 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 */
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(
- vm_offset_t a1,
- vm_offset_t a2,
- vm_size_t s1) {
-
- db_printf("db_phys_cmp: not implemented\n");
- return 0;
-}
-
-
int
db_search_null(
task_t task,
register unsigned vaddr;
register unsigned *kaddr;
- db_printf("db_search_null: not implemented\n");
-
+ 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);
+ }
+ }
return(-1);
}
-unsigned char *getProcName(struct proc *proc);
-
void
db_task_name(
task_t task)
{
- register unsigned char *p;
+ register char *p;
register int n;
unsigned int vaddr, kaddr;
- unsigned char tname[33];
- int i;
- 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);
+ 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;
+ }
+
+ 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);
}
- else db_printf("no name");
+ while (n-- >= 0) /* compare with >= 0 for one more space */
+ db_printf(" ");
}
void
projects / apple / xnu.git / blobdiff