ioutil: make the file compile on MacOS
[fw/openocd] / src / target / breakpoints.c
index 80f98dc1101d72df063558e898b14bced1cb68f7..3b516d067e1b5604d0873144771da3bb1a10f2a9 100644 (file)
@@ -20,6 +20,7 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 #include <helper/log.h>
 #include "breakpoints.h"
 
-
-static char *breakpoint_type_strings[] =
-{
+static char *breakpoint_type_strings[] = {
        "hardware",
        "software"
 };
 
-static char *watchpoint_rw_strings[] =
-{
+static char *watchpoint_rw_strings[] = {
        "read",
        "write",
        "access"
 };
 
-// monotonic counter/id-number for breakpoints and watch points
+/* monotonic counter/id-number for breakpoints and watch points */
 static int bpwp_unique_id;
 
-int breakpoint_add_internal(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;
@@ -54,8 +55,7 @@ int breakpoint_add_internal(struct target *target, uint32_t address, uint32_t le
        int n;
 
        n = 0;
-       while (breakpoint)
-       {
+       while (breakpoint) {
                n++;
                if (breakpoint->address == address) {
                        /* FIXME don't assume "same address" means "same
@@ -63,7 +63,7 @@ int breakpoint_add_internal(struct target *target, uint32_t address, uint32_t le
                         * 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;
@@ -72,6 +72,7 @@ int breakpoint_add_internal(struct target *target, uint32_t address, uint32_t le
 
        (*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;
@@ -81,53 +82,209 @@ int breakpoint_add_internal(struct target *target, uint32_t address, uint32_t le
 
        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";
+               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);
+                       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");
                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  );
+       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 breakpoint_add(struct target *target, uint32_t address, uint32_t length, enum breakpoint_type type)
+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;
 
-int retval = ERROR_OK;
-    if (target->smp)
-       {
+               }
+               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)
-               {
+               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;      
+                       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));
-
+       } 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 */
@@ -137,8 +294,7 @@ static void breakpoint_free(struct target *target, struct breakpoint *breakpoint
        struct breakpoint **breakpoint_p = &target->breakpoints;
        int retval;
 
-       while (breakpoint)
-       {
+       while (breakpoint) {
                if (breakpoint == breakpoint_to_remove)
                        break;
                breakpoint_p = &breakpoint->next;
@@ -156,82 +312,76 @@ static void breakpoint_free(struct target *target, struct breakpoint *breakpoint
        free(breakpoint);
 }
 
-void breakpoint_remove_internal(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)
+       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))
                        break;
-               breakpoint_p = &breakpoint->next;
                breakpoint = breakpoint->next;
        }
 
-       if (breakpoint)
-       {
+       if (breakpoint) {
                breakpoint_free(target, breakpoint);
-       }
-       else
-       {
-               LOG_ERROR("no breakpoint at address 0x%8.8" PRIx32 " found", address);
+               return 1;
+       } else {
+               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)
 {
-    if ((target->smp))
-       {
+       int found = 0;
+       if (target->smp) {
                struct target_list *head;
                struct target *curr;
                head = target->head;
-               while(head != (struct target_list*)NULL)
-               {
+               while (head != (struct target_list *)NULL) {
                        curr = head->target;
-                       breakpoint_remove_internal(curr, address);
-                       head = head->next;      
+                       found += breakpoint_remove_internal(curr, address);
+                       head = head->next;
                }
-       }
-       else  breakpoint_remove_internal(target, address);
+               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_internal(struct target *target)
 {
-       struct breakpoint *breakpoint;
-
        LOG_DEBUG("Delete all breakpoints for target: %s",
-                       target_name(target));
-       while ((breakpoint = target->breakpoints) != NULL)
-       {
-               breakpoint_free(target, breakpoint);
-       }
+               target_name(target));
+       while (target->breakpoints != NULL)
+               breakpoint_free(target, target->breakpoints);
 }
 
 void breakpoint_clear_target(struct target *target)
 {
-    if (target->smp)
-       {
+       if (target->smp) {
                struct target_list *head;
                struct target *curr;
                head = target->head;
-               while(head != (struct target_list*)NULL)
-               {
+               while (head != (struct target_list *)NULL) {
                        curr = head->target;
-                   breakpoint_clear_target_internal(curr);
-                       head = head->next;      
+                       breakpoint_clear_target_internal(curr);
+                       head = head->next;
                }
-     }
-        else breakpoint_clear_target_internal(target);
-       
-}
+       } else
+               breakpoint_clear_target_internal(target);
 
+}
 
-struct breakpointbreakpoint_find(struct target *target, uint32_t address)
+struct breakpoint *breakpoint_find(struct target *target, uint32_t address)
 {
        struct breakpoint *breakpoint = target->breakpoints;
 
-       while (breakpoint)
-       {
+       while (breakpoint) {
                if (breakpoint->address == address)
                        return breakpoint;
                breakpoint = breakpoint->next;
@@ -241,23 +391,22 @@ struct breakpoint* breakpoint_find(struct target *target, uint32_t address)
 }
 
 int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
-               enum watchpoint_rw rw, uint32_t value, uint32_t mask)
+       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;
 
-       while (watchpoint)
-       {
+       while (watchpoint) {
                if (watchpoint->address == address) {
                        if (watchpoint->length != length
-                                       || watchpoint->value != value
-                                       || watchpoint->mask != mask
-                                       || watchpoint->rw != rw) {
+                               || watchpoint->value != value
+                               || watchpoint->mask != mask
+                               || watchpoint->rw != rw) {
                                LOG_ERROR("address 0x%8.8" PRIx32
-                                               "already has watchpoint %d",
-                                               address, watchpoint->unique_id);
+                                       "already has watchpoint %d",
+                                       address, watchpoint->unique_id);
                                return ERROR_FAIL;
                        }
 
@@ -278,31 +427,31 @@ int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
 
        retval = target_add_watchpoint(target, *watchpoint_p);
        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";
+               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;
+                       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;
        }
 
        LOG_DEBUG("added %s watchpoint at 0x%8.8" PRIx32
-                       " of length 0x%8.8" PRIx32 " (WPID: %d)",
-                       watchpoint_rw_strings[(*watchpoint_p)->rw],
-                       (*watchpoint_p)->address,
-                       (*watchpoint_p)->length,
-                       (*watchpoint_p)->unique_id );
+               " of length 0x%8.8" PRIx32 " (WPID: %d)",
+               watchpoint_rw_strings[(*watchpoint_p)->rw],
+               (*watchpoint_p)->address,
+               (*watchpoint_p)->length,
+               (*watchpoint_p)->unique_id);
 
        return ERROR_OK;
 }
@@ -313,8 +462,7 @@ static void watchpoint_free(struct target *target, struct watchpoint *watchpoint
        struct watchpoint **watchpoint_p = &target->watchpoints;
        int retval;
 
-       while (watchpoint)
-       {
+       while (watchpoint) {
                if (watchpoint == watchpoint_to_remove)
                        break;
                watchpoint_p = &watchpoint->next;
@@ -332,34 +480,23 @@ 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)
-       {
+       while (watchpoint) {
                if (watchpoint->address == address)
                        break;
-               watchpoint_p = &watchpoint->next;
                watchpoint = watchpoint->next;
        }
 
        if (watchpoint)
-       {
                watchpoint_free(target, watchpoint);
-       }
        else
-       {
                LOG_ERROR("no watchpoint at address 0x%8.8" PRIx32 " found", address);
-       }
 }
 
 void watchpoint_clear_target(struct target *target)
 {
-       struct watchpoint *watchpoint;
-
        LOG_DEBUG("Delete all watchpoints for target: %s",
-                       target_name(target));
-       while ((watchpoint = target->watchpoints) != NULL)
-       {
-               watchpoint_free(target, watchpoint);
-       }
+               target_name(target));
+       while (target->watchpoints != NULL)
+               watchpoint_free(target, target->watchpoints);
 }