- Added a "User:" debug level. These are messages that are intended for the user...

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

diff --git a/src/target/target.c b/src/target/target.c
index bafbfb0f6d9a55b9cea7bc7ae0f0e749b1227c95..a606376441acc40c45ddf060da6e783428a47a87 100644 (file)
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -700,23 +700,24 @@ int target_register_commands(struct command_context_s *cmd_ctx)
        register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
        register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
        register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
-       register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
+       register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, NULL);
 
        return ERROR_OK;
 }
 
+/* Single aligned words are guaranteed to use 16 or 32 bit access 
+ * mode respectively, otherwise data is handled as quickly as 
+ * possible
+ */
 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 {
        int retval;
        
        DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
        
-       /* handle writes of less than 4 byte */
-       if (size < 4)
+       if (((address % 2) == 0) && (size == 2))
        {
-               if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
-                       return retval;
-               return ERROR_OK;
+               return target->type->write_memory(target, address, 2, 1, buffer);
        }
        
        /* handle unaligned head bytes */
@@ -764,18 +765,20 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
        return ERROR_OK;
 }
 
+
+/* Single aligned words are guaranteed to use 16 or 32 bit access 
+ * mode respectively, otherwise data is handled as quickly as 
+ * possible
+ */
 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 {
        int retval;
        
        DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
        
-       /* handle reads of less than 4 byte */
-       if (size < 4)
+       if (((address % 2) == 0) && (size == 2))
        {
-               if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
-                       return retval;
-               return ERROR_OK;
+               return target->type->read_memory(target, address, 2, 1, buffer);
        }
        
        /* handle unaligned head bytes */
@@ -828,9 +831,14 @@ int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32*
                if (buffer == NULL)
                {
                        ERROR("error allocating buffer for section (%d bytes)", size);
-                       return ERROR_OK;
+                       return ERROR_INVALID_ARGUMENTS;
+               }
+               retval = target_read_buffer(target, address, size, buffer);
+               if (retval != ERROR_OK)
+               {
+                       free(buffer);
+                       return retval;
                }
-               target_read_buffer(target, address, size, buffer);
 
                /* convert to target endianess */
                for (i = 0; i < (size/sizeof(u32)); i++)
@@ -1226,6 +1234,7 @@ int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, ch
                ERROR("target number '%s' not defined", args[0]);
                exit(-1);
        }
+       target_free_all_working_areas(target);
        
        target->working_area = strtoul(args[1], NULL, 0);
        target->working_area_size = strtoul(args[2], NULL, 0);
@@ -1450,6 +1459,13 @@ int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char
        return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms); 
 }
 
+static void target_process_events(struct command_context_s *cmd_ctx)
+{
+       target_t *target = get_current_target(cmd_ctx);
+       target->type->poll(target);
+       target_call_timer_callbacks();
+}
+
 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
 {
        struct timeval timeout, now;
@@ -1634,7 +1650,9 @@ int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **a
                }
        }
 
-       return wait_state(cmd_ctx, cmd, TARGET_RUNNING, 5000);
+       target_process_events(cmd_ctx);
+       
+       return ERROR_OK;
 }
 
 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
@@ -2017,7 +2035,7 @@ int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, ch
                
                if( retval != ERROR_OK )
                {
-                       command_print(cmd_ctx, "image verify failed, verify aborted");
+                       command_print(cmd_ctx, "could not calculate checksum, verify aborted");
                        free(buffer);
                        image_close(&image);
                        return ERROR_OK;
@@ -2028,7 +2046,7 @@ int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, ch
                        /* failed crc checksum, fall back to a binary compare */
                        u8 *data;
                        
-                       command_print(cmd_ctx, "image verify checksum failed - attempting binary compare");
+                       command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
                        
                        data = (u8*)malloc(buf_cnt);