+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) ST-Ericsson SA 2011 *
* michel.jaouen@stericsson.com : smp minimum support *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "target.h"
#include <helper/log.h>
#include "breakpoints.h"
+#include "smp.h"
-static char *breakpoint_type_strings[] = {
+static const char * const breakpoint_type_strings[] = {
"hardware",
"software"
};
-static char *watchpoint_rw_strings[] = {
+static const char * const watchpoint_rw_strings[] = {
"read",
"write",
"access"
/* monotonic counter/id-number for breakpoints and watch points */
static int bpwp_unique_id;
-int breakpoint_add_internal(struct target *target,
- uint32_t address,
+static int breakpoint_add_internal(struct target *target,
+ target_addr_t address,
uint32_t length,
enum breakpoint_type type)
{
struct breakpoint *breakpoint = target->breakpoints;
struct breakpoint **breakpoint_p = &target->breakpoints;
- char *reason;
+ const char *reason;
int retval;
- int n;
- n = 0;
while (breakpoint) {
- n++;
if (breakpoint->address == address) {
/* FIXME don't assume "same address" means "same
* breakpoint" ... check all the parameters before
* succeeding.
*/
- LOG_DEBUG("Duplicate Breakpoint address: 0x%08" PRIx32 " (BP %d)",
+ LOG_ERROR("Duplicate Breakpoint address: " TARGET_ADDR_FMT " (BP %" PRIu32 ")",
address, breakpoint->unique_id);
- return ERROR_OK;
+ return ERROR_TARGET_DUPLICATE_BREAKPOINT;
}
breakpoint_p = &breakpoint->next;
breakpoint = breakpoint->next;
(*breakpoint_p)->asid = 0;
(*breakpoint_p)->length = length;
(*breakpoint_p)->type = type;
- (*breakpoint_p)->set = 0;
+ (*breakpoint_p)->is_set = false;
(*breakpoint_p)->orig_instr = malloc(length);
(*breakpoint_p)->next = NULL;
(*breakpoint_p)->unique_id = bpwp_unique_id++;
return retval;
}
- LOG_DEBUG("added %s breakpoint at 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)",
+ LOG_DEBUG("[%d] added %s breakpoint at " TARGET_ADDR_FMT
+ " of length 0x%8.8x, (BPID: %" PRIu32 ")",
+ target->coreid,
breakpoint_type_strings[(*breakpoint_p)->type],
(*breakpoint_p)->address, (*breakpoint_p)->length,
(*breakpoint_p)->unique_id);
return ERROR_OK;
}
-int context_breakpoint_add_internal(struct target *target,
+static int context_breakpoint_add_internal(struct target *target,
uint32_t asid,
uint32_t length,
enum breakpoint_type type)
struct breakpoint *breakpoint = target->breakpoints;
struct breakpoint **breakpoint_p = &target->breakpoints;
int retval;
- int n;
- n = 0;
while (breakpoint) {
- n++;
if (breakpoint->asid == asid) {
/* FIXME don't assume "same address" means "same
* breakpoint" ... check all the parameters before
* succeeding.
*/
- LOG_DEBUG("Duplicate Breakpoint asid: 0x%08" PRIx32 " (BP %d)",
+ LOG_ERROR("Duplicate Breakpoint asid: 0x%08" PRIx32 " (BP %" PRIu32 ")",
asid, breakpoint->unique_id);
- return -1;
+ return ERROR_TARGET_DUPLICATE_BREAKPOINT;
}
breakpoint_p = &breakpoint->next;
breakpoint = breakpoint->next;
(*breakpoint_p)->asid = asid;
(*breakpoint_p)->length = length;
(*breakpoint_p)->type = type;
- (*breakpoint_p)->set = 0;
+ (*breakpoint_p)->is_set = false;
(*breakpoint_p)->orig_instr = malloc(length);
(*breakpoint_p)->next = NULL;
(*breakpoint_p)->unique_id = bpwp_unique_id++;
return retval;
}
- LOG_DEBUG("added %s Context breakpoint at 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)",
+ LOG_DEBUG("added %s Context breakpoint at 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %" PRIu32 ")",
breakpoint_type_strings[(*breakpoint_p)->type],
(*breakpoint_p)->asid, (*breakpoint_p)->length,
(*breakpoint_p)->unique_id);
return ERROR_OK;
}
-int hybrid_breakpoint_add_internal(struct target *target,
- uint32_t address,
+static int hybrid_breakpoint_add_internal(struct target *target,
+ target_addr_t address,
uint32_t asid,
uint32_t length,
enum breakpoint_type type)
struct breakpoint *breakpoint = target->breakpoints;
struct breakpoint **breakpoint_p = &target->breakpoints;
int retval;
- int n;
- n = 0;
+
while (breakpoint) {
- n++;
if ((breakpoint->asid == asid) && (breakpoint->address == address)) {
/* FIXME don't assume "same address" means "same
* breakpoint" ... check all the parameters before
* succeeding.
*/
- LOG_DEBUG("Duplicate Hybrid Breakpoint asid: 0x%08" PRIx32 " (BP %d)",
+ LOG_ERROR("Duplicate Hybrid Breakpoint asid: 0x%08" PRIx32 " (BP %" PRIu32 ")",
asid, breakpoint->unique_id);
- return -1;
+ return ERROR_TARGET_DUPLICATE_BREAKPOINT;
} else if ((breakpoint->address == address) && (breakpoint->asid == 0)) {
- LOG_DEBUG("Duplicate Breakpoint IVA: 0x%08" PRIx32 " (BP %d)",
+ LOG_ERROR("Duplicate Breakpoint IVA: " TARGET_ADDR_FMT " (BP %" PRIu32 ")",
address, breakpoint->unique_id);
- return -1;
+ return ERROR_TARGET_DUPLICATE_BREAKPOINT;
}
breakpoint_p = &breakpoint->next;
(*breakpoint_p)->asid = asid;
(*breakpoint_p)->length = length;
(*breakpoint_p)->type = type;
- (*breakpoint_p)->set = 0;
+ (*breakpoint_p)->is_set = false;
(*breakpoint_p)->orig_instr = malloc(length);
(*breakpoint_p)->next = NULL;
(*breakpoint_p)->unique_id = bpwp_unique_id++;
return retval;
}
LOG_DEBUG(
- "added %s Hybrid breakpoint at address 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)",
+ "added %s Hybrid breakpoint at address " TARGET_ADDR_FMT " of length 0x%8.8x, (BPID: %" PRIu32 ")",
breakpoint_type_strings[(*breakpoint_p)->type],
(*breakpoint_p)->address,
(*breakpoint_p)->length,
}
int breakpoint_add(struct target *target,
- uint32_t address,
+ target_addr_t address,
uint32_t length,
enum breakpoint_type type)
{
- int retval = ERROR_OK;
if (target->smp) {
struct target_list *head;
- struct target *curr;
- head = target->head;
- if (type == BKPT_SOFT)
+
+ if (type == BKPT_SOFT) {
+ head = list_first_entry(target->smp_targets, struct target_list, lh);
return breakpoint_add_internal(head->target, address, length, type);
+ }
- while (head != (struct target_list *)NULL) {
- curr = head->target;
- retval = breakpoint_add_internal(curr, address, length, type);
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
+ int retval = breakpoint_add_internal(curr, address, length, type);
if (retval != ERROR_OK)
return retval;
- head = head->next;
}
- return retval;
- } else
+
+ return ERROR_OK;
+ } else {
return breakpoint_add_internal(target, address, length, type);
+ }
}
+
int context_breakpoint_add(struct target *target,
uint32_t asid,
uint32_t length,
enum breakpoint_type type)
{
- int retval = ERROR_OK;
if (target->smp) {
struct target_list *head;
- struct target *curr;
- head = target->head;
- while (head != (struct target_list *)NULL) {
- curr = head->target;
- retval = context_breakpoint_add_internal(curr, asid, length, type);
+
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
+ int retval = context_breakpoint_add_internal(curr, asid, length, type);
if (retval != ERROR_OK)
return retval;
- head = head->next;
}
- return retval;
- } else
+
+ return ERROR_OK;
+ } else {
return context_breakpoint_add_internal(target, asid, length, type);
+ }
}
+
int hybrid_breakpoint_add(struct target *target,
- uint32_t address,
+ target_addr_t address,
uint32_t asid,
uint32_t length,
enum breakpoint_type type)
{
- int retval = ERROR_OK;
if (target->smp) {
struct target_list *head;
- struct target *curr;
- head = target->head;
- while (head != (struct target_list *)NULL) {
- curr = head->target;
- retval = hybrid_breakpoint_add_internal(curr, address, asid, length, type);
+
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
+ int retval = hybrid_breakpoint_add_internal(curr, address, asid, length, type);
if (retval != ERROR_OK)
return retval;
- head = head->next;
}
- return retval;
+
+ return ERROR_OK;
} else
return hybrid_breakpoint_add_internal(target, address, asid, length, type);
}
breakpoint = breakpoint->next;
}
- if (breakpoint == NULL)
+ if (!breakpoint)
return;
retval = target_remove_breakpoint(target, breakpoint);
- LOG_DEBUG("free BPID: %d --> %d", breakpoint->unique_id, retval);
+ LOG_DEBUG("free BPID: %" PRIu32 " --> %d", breakpoint->unique_id, retval);
(*breakpoint_p) = breakpoint->next;
free(breakpoint->orig_instr);
free(breakpoint);
}
-int breakpoint_remove_internal(struct target *target, uint32_t address)
+static int breakpoint_remove_internal(struct target *target, target_addr_t address)
{
struct breakpoint *breakpoint = target->breakpoints;
while (breakpoint) {
- if ((breakpoint->address == address) && (breakpoint->asid == 0))
- break;
- else if ((breakpoint->address == 0) && (breakpoint->asid == address))
- break;
- else if ((breakpoint->address == address) && (breakpoint->asid != 0))
+ if ((breakpoint->address == address) ||
+ (breakpoint->address == 0 && breakpoint->asid == address))
break;
breakpoint = breakpoint->next;
}
return 1;
} else {
if (!target->smp)
- LOG_ERROR("no breakpoint at address 0x%8.8" PRIx32 " found", address);
+ LOG_ERROR("no breakpoint at address " TARGET_ADDR_FMT " found", address);
return 0;
}
}
-void breakpoint_remove(struct target *target, uint32_t address)
+
+static void breakpoint_remove_all_internal(struct target *target)
+{
+ struct breakpoint *breakpoint = target->breakpoints;
+
+ while (breakpoint) {
+ struct breakpoint *tmp = breakpoint;
+ breakpoint = breakpoint->next;
+ breakpoint_free(target, tmp);
+ }
+}
+
+void breakpoint_remove(struct target *target, target_addr_t address)
{
- int found = 0;
if (target->smp) {
+ unsigned int num_breakpoints = 0;
struct target_list *head;
- struct target *curr;
- head = target->head;
- while (head != (struct target_list *)NULL) {
- curr = head->target;
- found += breakpoint_remove_internal(curr, address);
- head = head->next;
+
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
+ num_breakpoints += breakpoint_remove_internal(curr, address);
}
- if (found == 0)
- LOG_ERROR("no breakpoint at address 0x%8.8" PRIx32 " found", address);
- } else
+ if (!num_breakpoints)
+ LOG_ERROR("no breakpoint at address " TARGET_ADDR_FMT " found", address);
+ } else {
breakpoint_remove_internal(target, address);
+ }
+}
+
+void breakpoint_remove_all(struct target *target)
+{
+ if (target->smp) {
+ struct target_list *head;
+
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
+ breakpoint_remove_all_internal(curr);
+ }
+ } else {
+ breakpoint_remove_all_internal(target);
+ }
}
-void breakpoint_clear_target_internal(struct target *target)
+static void breakpoint_clear_target_internal(struct target *target)
{
LOG_DEBUG("Delete all breakpoints for target: %s",
target_name(target));
- while (target->breakpoints != NULL)
+ while (target->breakpoints)
breakpoint_free(target, target->breakpoints);
}
{
if (target->smp) {
struct target_list *head;
- struct target *curr;
- head = target->head;
- while (head != (struct target_list *)NULL) {
- curr = head->target;
+
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
breakpoint_clear_target_internal(curr);
- head = head->next;
}
- } else
+ } else {
breakpoint_clear_target_internal(target);
-
+ }
}
-struct breakpoint *breakpoint_find(struct target *target, uint32_t address)
+struct breakpoint *breakpoint_find(struct target *target, target_addr_t address)
{
struct breakpoint *breakpoint = target->breakpoints;
return NULL;
}
-int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
- enum watchpoint_rw rw, uint32_t value, uint32_t mask)
+static int watchpoint_add_internal(struct target *target, target_addr_t address,
+ uint32_t length, enum watchpoint_rw rw, uint32_t value, uint32_t mask)
{
struct watchpoint *watchpoint = target->watchpoints;
struct watchpoint **watchpoint_p = &target->watchpoints;
int retval;
- char *reason;
+ const char *reason;
while (watchpoint) {
if (watchpoint->address == address) {
|| watchpoint->value != value
|| watchpoint->mask != mask
|| watchpoint->rw != rw) {
- LOG_ERROR("address 0x%8.8" PRIx32
- "already has watchpoint %d",
+ LOG_ERROR("address " TARGET_ADDR_FMT
+ " already has watchpoint %d",
address, watchpoint->unique_id);
return ERROR_FAIL;
}
default:
reason = "unrecognized error";
bye:
- LOG_ERROR("can't add %s watchpoint at 0x%8.8" PRIx32 ", %s",
+ LOG_ERROR("can't add %s watchpoint at " TARGET_ADDR_FMT ", %s",
watchpoint_rw_strings[(*watchpoint_p)->rw],
address, reason);
free(*watchpoint_p);
return retval;
}
- LOG_DEBUG("added %s watchpoint at 0x%8.8" PRIx32
- " of length 0x%8.8" PRIx32 " (WPID: %d)",
+ LOG_DEBUG("[%d] added %s watchpoint at " TARGET_ADDR_FMT
+ " of length 0x%8.8" PRIx32 " (WPID: %d)",
+ target->coreid,
watchpoint_rw_strings[(*watchpoint_p)->rw],
(*watchpoint_p)->address,
(*watchpoint_p)->length,
return ERROR_OK;
}
+int watchpoint_add(struct target *target, target_addr_t address,
+ uint32_t length, enum watchpoint_rw rw, uint32_t value, uint32_t mask)
+{
+ if (target->smp) {
+ struct target_list *head;
+
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
+ int retval = watchpoint_add_internal(curr, address, length, rw, value, mask);
+ if (retval != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+ } else {
+ return watchpoint_add_internal(target, address, length, rw, value,
+ mask);
+ }
+}
+
static void watchpoint_free(struct target *target, struct watchpoint *watchpoint_to_remove)
{
struct watchpoint *watchpoint = target->watchpoints;
watchpoint = watchpoint->next;
}
- if (watchpoint == NULL)
+ if (!watchpoint)
return;
retval = target_remove_watchpoint(target, watchpoint);
LOG_DEBUG("free WPID: %d --> %d", watchpoint->unique_id, retval);
free(watchpoint);
}
-void watchpoint_remove(struct target *target, uint32_t address)
+static int watchpoint_remove_internal(struct target *target, target_addr_t address)
{
struct watchpoint *watchpoint = target->watchpoints;
watchpoint = watchpoint->next;
}
- if (watchpoint)
+ if (watchpoint) {
watchpoint_free(target, watchpoint);
- else
- LOG_ERROR("no watchpoint at address 0x%8.8" PRIx32 " found", address);
+ return 1;
+ } else {
+ if (!target->smp)
+ LOG_ERROR("no watchpoint at address " TARGET_ADDR_FMT " found", address);
+ return 0;
+ }
+}
+
+void watchpoint_remove(struct target *target, target_addr_t address)
+{
+ if (target->smp) {
+ unsigned int num_watchpoints = 0;
+ struct target_list *head;
+
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
+ num_watchpoints += watchpoint_remove_internal(curr, address);
+ }
+ if (num_watchpoints == 0)
+ LOG_ERROR("no watchpoint at address " TARGET_ADDR_FMT " num_watchpoints", address);
+ } else {
+ watchpoint_remove_internal(target, address);
+ }
}
void watchpoint_clear_target(struct target *target)
{
LOG_DEBUG("Delete all watchpoints for target: %s",
target_name(target));
- while (target->watchpoints != NULL)
+ while (target->watchpoints)
watchpoint_free(target, target->watchpoints);
}
+
+int watchpoint_hit(struct target *target, enum watchpoint_rw *rw,
+ target_addr_t *address)
+{
+ int retval;
+ struct watchpoint *hit_watchpoint;
+
+ retval = target_hit_watchpoint(target, &hit_watchpoint);
+ if (retval != ERROR_OK)
+ return ERROR_FAIL;
+
+ *rw = hit_watchpoint->rw;
+ *address = hit_watchpoint->address;
+
+ LOG_DEBUG("Found hit watchpoint at " TARGET_ADDR_FMT " (WPID: %d)",
+ hit_watchpoint->address,
+ hit_watchpoint->unique_id);
+
+ return ERROR_OK;
+}