Fix problems with DCC downloads routine crashing silently.

[openocd.git] / src / target / armv4_5.c

diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c
index 6848bf7617f4db3d6308c8455a97d1f207c09516..93dfa8ad34284f139d5ed296db81151cd8239807 100644 (file)
--- a/src/target/armv4_5.c
+++ b/src/target/armv4_5.c
@@ -476,7 +476,34 @@ int armv4_5_get_gdb_reg_list(target_t *target, reg_t **reg_list[], int *reg_list
        return ERROR_OK;
 }
 
-int armv4_5_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_params, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
+/* wait for execution to complete and check exit point */
+static int armv4_5_run_algorithm_completion(struct target_s *target, u32 exit_point, int timeout_ms, void *arch_info)
+{
+       int retval;
+       armv4_5_common_t *armv4_5 = target->arch_info;
+
+       target_wait_state(target, TARGET_HALTED, timeout_ms);
+       if (target->state != TARGET_HALTED)
+       {
+               if ((retval=target_halt(target))!=ERROR_OK)
+                       return retval;
+               if ((retval=target_wait_state(target, TARGET_HALTED, 500))!=ERROR_OK)
+               {
+                       return retval;
+               }
+               return ERROR_TARGET_TIMEOUT;
+       }
+       if (buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32) != exit_point)
+       {
+               LOG_WARNING("target reentered debug state, but not at the desired exit point: 0x%4.4x",
+                       buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32));
+               return ERROR_TARGET_TIMEOUT;
+       }
+
+       return ERROR_OK;
+}
+
+int armv4_5_run_algorithm_inner(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_params, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info, int (*run_it)(struct target_s *target, u32 exit_point, int timeout_ms, void *arch_info))
 {
        armv4_5_common_t *armv4_5 = target->arch_info;
        armv4_5_algorithm_t *armv4_5_algorithm_info = arch_info;
@@ -562,24 +589,7 @@ int armv4_5_run_algorithm(struct target_s *target, int num_mem_params, mem_param
 
        target_resume(target, 0, entry_point, 1, 1);
 
-       target_wait_state(target, TARGET_HALTED, timeout_ms);
-       if (target->state != TARGET_HALTED)
-       {
-               if ((retval=target_halt(target))!=ERROR_OK)
-                       return retval;
-               if ((retval=target_wait_state(target, TARGET_HALTED, 500))!=ERROR_OK)
-               {
-                       return retval;
-               }
-               return ERROR_TARGET_TIMEOUT;
-       }
-
-       if (buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32) != exit_point)
-       {
-               LOG_WARNING("target reentered debug state, but not at the desired exit point: 0x%4.4x",
-                       buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32));
-               return ERROR_TARGET_TIMEOUT;
-       }
+       retval=run_it(target, exit_point, timeout_ms, arch_info);
 
        breakpoint_remove(target, exit_point);
 
@@ -628,6 +638,12 @@ int armv4_5_run_algorithm(struct target_s *target, int num_mem_params, mem_param
        return retval;
 }
 
+
+int armv4_5_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_params, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
+{
+       return armv4_5_run_algorithm_inner(target, num_mem_params, mem_params, num_reg_params, reg_params, entry_point, exit_point, timeout_ms, arch_info, armv4_5_run_algorithm_completion);
+}
+
 int armv4_5_init_arch_info(target_t *target, armv4_5_common_t *armv4_5)
 {
        target->arch_info = armv4_5;