X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Ftarget%2Fbreakpoints.c;h=c0905ede6ab5caad3dc2254465b9bedfecfc3bc6;hb=c725167ba8e2aa9e43bc86e28b44b6cb444740a8;hp=917dfc7897cf0aa4c6fc4873f7c4054572a7b211;hpb=4a47d87e4791a00cab4f420e23cd7d85aee0342b;p=fw%2Fopenocd

diff --git a/src/target/breakpoints.c b/src/target/breakpoints.c
index 917dfc789..c0905ede6 100644
--- a/src/target/breakpoints.c
+++ b/src/target/breakpoints.c
@@ -2,6 +2,9 @@
  *   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     *
@@ -42,10 +45,11 @@ static char *watchpoint_rw_strings[] =
 // monotonic counter/id-number for breakpoints and watch points
 static int bpwp_unique_id;
 
-int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enum breakpoint_type type)
+int breakpoint_add_internal(struct target *target, uint32_t address, uint32_t length, enum breakpoint_type type)
 {
 	struct breakpoint *breakpoint = target->breakpoints;
 	struct breakpoint **breakpoint_p = &target->breakpoints;
+	char *reason;
 	int retval;
 	int n;
 
@@ -59,7 +63,7 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
 			 * succeeding.
 			 */
 			LOG_DEBUG("Duplicate Breakpoint address: 0x%08" PRIx32 " (BP %d)",
-				  address, breakpoint->unique_id );
+					address, breakpoint->unique_id);
 			return ERROR_OK;
 		}
 		breakpoint_p = &breakpoint->next;
@@ -68,6 +72,7 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
 
 	(*breakpoint_p) = malloc(sizeof(struct breakpoint));
 	(*breakpoint_p)->address = address;
+	(*breakpoint_p)->asid = 0;
 	(*breakpoint_p)->length = length;
 	(*breakpoint_p)->type = type;
 	(*breakpoint_p)->set = 0;
@@ -76,6 +81,68 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
 	(*breakpoint_p)->unique_id = bpwp_unique_id++;
 
 	retval = target_add_breakpoint(target, *breakpoint_p);
+	switch (retval) {
+	case ERROR_OK:
+		break;
+	case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
+		reason = "resource not available";
+		goto fail;
+	case ERROR_TARGET_NOT_HALTED:
+		reason = "target running";
+		goto fail;
+	default:
+		reason = "unknown reason";
+fail:
+		LOG_ERROR("can't add breakpoint: %s", reason);
+		free((*breakpoint_p)->orig_instr);
+		free(*breakpoint_p);
+		*breakpoint_p = NULL;
+		return retval;
+	}
+
+	LOG_DEBUG("added %s breakpoint at 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)",
+			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, 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)",
+					asid, breakpoint->unique_id);
+			return -1;
+		}
+		breakpoint_p = &breakpoint->next;
+		breakpoint = breakpoint->next;
+	}
+
+	(*breakpoint_p) = malloc(sizeof(struct breakpoint));
+	(*breakpoint_p)->address = 0;
+	(*breakpoint_p)->asid = asid;
+	(*breakpoint_p)->length = length;
+	(*breakpoint_p)->type = type;
+	(*breakpoint_p)->set = 0;
+	(*breakpoint_p)->orig_instr = malloc(length);
+	(*breakpoint_p)->next = NULL;
+	(*breakpoint_p)->unique_id = bpwp_unique_id++;
+	retval = target_add_context_breakpoint(target, *breakpoint_p);
 	if (retval != ERROR_OK)
 	{
 		LOG_ERROR("could not add breakpoint");
@@ -85,14 +152,143 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
 		return retval;
 	}
 
-	LOG_DEBUG("added %s breakpoint at 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)",
-			  breakpoint_type_strings[(*breakpoint_p)->type],
-			  (*breakpoint_p)->address, (*breakpoint_p)->length,
-			  (*breakpoint_p)->unique_id  );
+	LOG_DEBUG("added %s Context breakpoint at 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)",
+			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, 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)",
+					asid, breakpoint->unique_id);
+			return -1;
+		}
+		else if ((breakpoint->address == address) && (breakpoint->asid == 0))
+		{
+			LOG_DEBUG("Duplicate Breakpoint IVA: 0x%08" PRIx32 " (BP %d)",
+					address, breakpoint->unique_id);
+			return -1;
+
+		}
+		breakpoint_p = &breakpoint->next;
+		breakpoint = breakpoint->next;
+	}
+	(*breakpoint_p) = malloc(sizeof(struct breakpoint));
+	(*breakpoint_p)->address = address;
+	(*breakpoint_p)->asid = asid;
+	(*breakpoint_p)->length = length;
+	(*breakpoint_p)->type = type;
+	(*breakpoint_p)->set = 0;
+	(*breakpoint_p)->orig_instr = malloc(length);
+	(*breakpoint_p)->next = NULL;
+	(*breakpoint_p)->unique_id = bpwp_unique_id++;
+
+
+	retval = target_add_hybrid_breakpoint(target, *breakpoint_p);
+	if (retval != ERROR_OK)
+	{
+		LOG_ERROR("could not add breakpoint");
+		free((*breakpoint_p)->orig_instr);
+		free(*breakpoint_p);
+		*breakpoint_p = NULL;
+		return retval;
+	}
+	LOG_DEBUG("added %s Hybrid breakpoint at address 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)",
+			breakpoint_type_strings[(*breakpoint_p)->type],
+			(*breakpoint_p)->address, (*breakpoint_p)->length,
+			(*breakpoint_p)->unique_id);
 
 	return ERROR_OK;
 }
 
+
+
+int breakpoint_add(struct target *target, uint32_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)
+			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);
+			if (retval != ERROR_OK) return retval;
+			head = head->next;
+		}
+		return retval;
+	}
+	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);
+			if (retval != ERROR_OK) return retval;
+			head = head->next;
+		}
+		return retval;
+	}
+	else
+		return(context_breakpoint_add_internal(target, asid, length, type));
+
+}
+int hybrid_breakpoint_add(struct target *target, uint32_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);
+			if (retval != ERROR_OK) return retval;
+			head = head->next;
+		}
+		return retval;
+	}
+	else
+		return(hybrid_breakpoint_add_internal(target, address, asid, length, type));
+
+}
+
 /* free up a breakpoint */
 static void breakpoint_free(struct target *target, struct breakpoint *breakpoint_to_remove)
 {
@@ -119,30 +315,54 @@ static void breakpoint_free(struct target *target, struct breakpoint *breakpoint
 	free(breakpoint);
 }
 
-void breakpoint_remove(struct target *target, uint32_t address)
+int breakpoint_remove_internal(struct target *target, uint32_t address)
 {
 	struct breakpoint *breakpoint = target->breakpoints;
-	struct breakpoint **breakpoint_p = &target->breakpoints;
 
 	while (breakpoint)
 	{
-		if (breakpoint->address == address)
+		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))
 			break;
-		breakpoint_p = &breakpoint->next;
 		breakpoint = breakpoint->next;
 	}
 
 	if (breakpoint)
 	{
 		breakpoint_free(target, breakpoint);
+		return 1;
 	}
 	else
 	{
-		LOG_ERROR("no breakpoint at address 0x%8.8" PRIx32 " found", address);
+		if (!target->smp)
+			LOG_ERROR("no breakpoint at address 0x%8.8" PRIx32 " found", address);
+		return 0;
+	}
+}
+void breakpoint_remove(struct target *target, uint32_t address)
+{
+	int found = 0;
+	if (target->smp)
+	{
+		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;
+		}
+		if (found == 0)
+			LOG_ERROR("no breakpoint at address 0x%8.8" PRIx32 " found", address);
 	}
+	else  breakpoint_remove_internal(target, address);
 }
 
-void breakpoint_clear_target(struct target *target)
+void breakpoint_clear_target_internal(struct target *target)
 {
 	struct breakpoint *breakpoint;
 
@@ -154,6 +374,25 @@ void breakpoint_clear_target(struct target *target)
 	}
 }
 
+void breakpoint_clear_target(struct target *target)
+{
+	if (target->smp)
+	{
+		struct target_list *head;
+		struct target *curr;
+		head = target->head;
+		while(head != (struct target_list*)NULL)
+		{
+			curr = head->target;
+			breakpoint_clear_target_internal(curr);
+			head = head->next;
+		}
+	}
+	else breakpoint_clear_target_internal(target);
+
+}
+
+
 struct breakpoint* breakpoint_find(struct target *target, uint32_t address)
 {
 	struct breakpoint *breakpoint = target->breakpoints;
@@ -174,6 +413,7 @@ int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
 	struct watchpoint *watchpoint = target->watchpoints;
 	struct watchpoint **watchpoint_p = &target->watchpoints;
 	int retval;
+	char *reason;
 
 	while (watchpoint)
 	{
@@ -204,11 +444,21 @@ int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
 	(*watchpoint_p)->unique_id = bpwp_unique_id++;
 
 	retval = target_add_watchpoint(target, *watchpoint_p);
-	if (retval != ERROR_OK)
-	{
-		LOG_ERROR("can't add %s watchpoint at 0x%8.8" PRIx32,
-			 watchpoint_rw_strings[(*watchpoint_p)->rw],
-			 address);
+	switch (retval) {
+	case ERROR_OK:
+		break;
+	case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
+		reason = "resource not available";
+		goto bye;
+	case ERROR_TARGET_NOT_HALTED:
+		reason = "target running";
+		goto bye;
+	default:
+		reason = "unrecognized error";
+bye:
+		LOG_ERROR("can't add %s watchpoint at 0x%8.8" PRIx32 ", %s",
+				watchpoint_rw_strings[(*watchpoint_p)->rw],
+				address, reason);
 		free (*watchpoint_p);
 		*watchpoint_p = NULL;
 		return retval;
@@ -219,7 +469,7 @@ int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
 			watchpoint_rw_strings[(*watchpoint_p)->rw],
 			(*watchpoint_p)->address,
 			(*watchpoint_p)->length,
-			(*watchpoint_p)->unique_id );
+			(*watchpoint_p)->unique_id);
 
 	return ERROR_OK;
 }
@@ -249,13 +499,11 @@ static void watchpoint_free(struct target *target, struct watchpoint *watchpoint
 void watchpoint_remove(struct target *target, uint32_t address)
 {
 	struct watchpoint *watchpoint = target->watchpoints;
-	struct watchpoint **watchpoint_p = &target->watchpoints;
 
 	while (watchpoint)
 	{
 		if (watchpoint->address == address)
 			break;
-		watchpoint_p = &watchpoint->next;
 		watchpoint = watchpoint->next;
 	}