X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Ftarget%2Fbreakpoints.c;h=5a0fc401ff27679d0ae8de1396ba5ee6777d9630;hb=c8926d14579528bfcead1e179baf7cb846513db4;hp=f657ddce546c2a106aceef3cb8e46c041a7c73c0;hpb=ab3bdfb2cb7b0c16800195951e4ee549cf8e86a5;p=openocd

diff --git a/src/target/breakpoints.c b/src/target/breakpoints.c
index f657ddce..5a0fc401 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     *
@@ -22,7 +25,7 @@
 #endif
 
 #include "target.h"
-#include "log.h"
+#include <helper/log.h>
 #include "breakpoints.h"
 
 
@@ -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;
 
@@ -53,7 +57,11 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
 	while (breakpoint)
 	{
 		n++;
-		if (breakpoint->address == address){
+		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)",
 				  address, breakpoint->unique_id );
 			return ERROR_OK;
@@ -64,6 +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;
@@ -71,31 +80,24 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
 	(*breakpoint_p)->next = NULL;
 	(*breakpoint_p)->unique_id = bpwp_unique_id++;
 
-	if ((retval = target_add_breakpoint(target, *breakpoint_p)) != ERROR_OK)
-	{
-		switch (retval)
-		{
-			case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
-				LOG_INFO("can't add %s breakpoint, resource not available (BPID=%d)",
-					 breakpoint_type_strings[(*breakpoint_p)->type],
-					 (*breakpoint_p)->unique_id );
-
-				free((*breakpoint_p)->orig_instr);
-				free(*breakpoint_p);
-				*breakpoint_p = NULL;
-				return retval;
-				break;
-			case ERROR_TARGET_NOT_HALTED:
-				LOG_INFO("can't add breakpoint while target is running (BPID: %d)",
-						 (*breakpoint_p)->unique_id );
-				free((*breakpoint_p)->orig_instr);
-				free(*breakpoint_p);
-				*breakpoint_p = NULL;
-				return retval;
-				break;
-			default:
-				break;
-		}
+	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)",
@@ -106,15 +108,194 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
 	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");
+		free((*breakpoint_p)->orig_instr);
+		free(*breakpoint_p);
+		*breakpoint_p = NULL;
+		return retval;
+	}
+
+	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;
+		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_remove)
+static void breakpoint_free(struct target *target, struct breakpoint *breakpoint_to_remove)
 {
 	struct breakpoint *breakpoint = target->breakpoints;
 	struct breakpoint **breakpoint_p = &target->breakpoints;
+	int retval;
 
 	while (breakpoint)
 	{
-		if (breakpoint == breakpoint_remove)
+		if (breakpoint == breakpoint_to_remove)
 			break;
 		breakpoint_p = &breakpoint->next;
 		breakpoint = breakpoint->next;
@@ -123,24 +304,26 @@ static void breakpoint_free(struct target *target, struct breakpoint *breakpoint
 	if (breakpoint == NULL)
 		return;
 
-	target_remove_breakpoint(target, breakpoint);
+	retval = target_remove_breakpoint(target, breakpoint);
 
-	LOG_DEBUG("BPID: %d", breakpoint->unique_id );
+	LOG_DEBUG("free BPID: %d --> %d", breakpoint->unique_id, retval);
 	(*breakpoint_p) = breakpoint->next;
 	free(breakpoint->orig_instr);
 	free(breakpoint);
 }
 
-void breakpoint_remove(struct target *target, uint32_t address)
+void 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;
 	}
 
@@ -153,17 +336,54 @@ void breakpoint_remove(struct target *target, uint32_t address)
 		LOG_ERROR("no breakpoint at address 0x%8.8" PRIx32 " found", address);
 	}
 }
+void breakpoint_remove(struct target *target, uint32_t address)
+{
+    if ((target->smp))
+	{
+		struct target_list *head;
+		struct target *curr;
+		head = target->head;
+		while(head != (struct target_list*)NULL)
+		{
+			curr = head->target;
+			breakpoint_remove_internal(curr, address);
+			head = head->next;	
+		}
+	}
+	else  breakpoint_remove_internal(target, address);
+}
 
-void breakpoint_clear_target(struct target *target)
+void breakpoint_clear_target_internal(struct target *target)
 {
 	struct breakpoint *breakpoint;
-	LOG_DEBUG("Delete all breakpoints for target: %s", target_get_name( target ));
+
+	LOG_DEBUG("Delete all breakpoints for target: %s",
+			target_name(target));
 	while ((breakpoint = target->breakpoints) != NULL)
 	{
 		breakpoint_free(target, breakpoint);
 	}
 }
 
+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;
@@ -245,14 +465,15 @@ bye:
 	return ERROR_OK;
 }
 
-static void watchpoint_free(struct target *target, struct watchpoint *watchpoint_remove)
+static void watchpoint_free(struct target *target, struct watchpoint *watchpoint_to_remove)
 {
 	struct watchpoint *watchpoint = target->watchpoints;
 	struct watchpoint **watchpoint_p = &target->watchpoints;
+	int retval;
 
 	while (watchpoint)
 	{
-		if (watchpoint == watchpoint_remove)
+		if (watchpoint == watchpoint_to_remove)
 			break;
 		watchpoint_p = &watchpoint->next;
 		watchpoint = watchpoint->next;
@@ -260,8 +481,8 @@ static void watchpoint_free(struct target *target, struct watchpoint *watchpoint
 
 	if (watchpoint == NULL)
 		return;
-	target_remove_watchpoint(target, watchpoint);
-	LOG_DEBUG("WPID: %d", watchpoint->unique_id );
+	retval = target_remove_watchpoint(target, watchpoint);
+	LOG_DEBUG("free WPID: %d --> %d", watchpoint->unique_id, retval);
 	(*watchpoint_p) = watchpoint->next;
 	free(watchpoint);
 }
@@ -269,13 +490,11 @@ 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;
 	}
 
@@ -292,7 +511,9 @@ void watchpoint_remove(struct target *target, uint32_t address)
 void watchpoint_clear_target(struct target *target)
 {
 	struct watchpoint *watchpoint;
-	LOG_DEBUG("Delete all watchpoints for target: %s", target_get_name( target ));
+
+	LOG_DEBUG("Delete all watchpoints for target: %s",
+			target_name(target));
 	while ((watchpoint = target->watchpoints) != NULL)
 	{
 		watchpoint_free(target, watchpoint);