Add target_bulk_write_memory wrapper:
[fw/openocd] / src / target / target.c
index 3ec28284e6da22a93662c51d2a1b891ee02e7786..4a60cc4977cf1bf02e0ab2194a3bc16a982c2900 100644 (file)
@@ -150,7 +150,7 @@ const char *target_strerror_safe( int err )
        }
 }
 
-const Jim_Nvp nvp_target_event[] = {
+static const Jim_Nvp nvp_target_event[] = {
        { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
        { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 
@@ -273,7 +273,7 @@ static int new_target_number(void)
 static int target_continous_poll = 1;
 
 /* read a u32 from a buffer in target memory endianness */
-u32 target_buffer_get_u32(target_t *target, u8 *buffer)
+u32 target_buffer_get_u32(target_t *target, const u8 *buffer)
 {
        if (target->endianness == TARGET_LITTLE_ENDIAN)
                return le_to_h_u32(buffer);
@@ -282,7 +282,7 @@ u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 }
 
 /* read a u16 from a buffer in target memory endianness */
-u16 target_buffer_get_u16(target_t *target, u8 *buffer)
+u16 target_buffer_get_u16(target_t *target, const u8 *buffer)
 {
        if (target->endianness == TARGET_LITTLE_ENDIAN)
                return le_to_h_u16(buffer);
@@ -291,7 +291,7 @@ u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 }
 
 /* read a u8 from a buffer in target memory endianness */
-u8 target_buffer_get_u8(target_t *target, u8 *buffer)
+u8 target_buffer_get_u8(target_t *target, const u8 *buffer)
 {
        return *buffer & 0x0ff;
 }
@@ -320,8 +320,36 @@ void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
        *buffer = value;
 }
 
+/* return a pointer to a configured target; id is name or number */
+target_t *get_target(const char *id)
+{
+       target_t *target;
+       char *endptr;
+       int num;
+
+       /* try as tcltarget name */
+       for (target = all_targets; target; target = target->next) {
+               if (target->cmd_name == NULL)
+                       continue;
+               if (strcmp(id, target->cmd_name) == 0)
+                       return target;
+       }
+
+       /* no match, try as number */
+       num = strtoul(id, &endptr, 0);
+       if (*endptr != 0)
+               return NULL;
+
+       for (target = all_targets; target; target = target->next) {
+               if (target->target_number == num)
+                       return target;
+       }
+
+       return NULL;
+}
+
 /* returns a pointer to the n-th configured target */
-target_t* get_target_by_num(int num)
+static target_t *get_target_by_num(int num)
 {
        target_t *target = all_targets;
 
@@ -356,7 +384,7 @@ target_t* get_current_target(command_context_t *cmd_ctx)
 int target_poll(struct target_s *target)
 {
        /* We can't poll until after examine */
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                /* Fail silently lest we pollute the log */
                return ERROR_FAIL;
@@ -367,7 +395,7 @@ int target_poll(struct target_s *target)
 int target_halt(struct target_s *target)
 {
        /* We can't poll until after examine */
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -380,7 +408,7 @@ int target_resume(struct target_s *target, int current, u32 address, int handle_
        int retval;
 
        /* We can't poll until after examine */
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -435,7 +463,7 @@ static int default_mmu(struct target_s *target, int *enabled)
 
 static int default_examine(struct target_s *target)
 {
-       target->type->examined = 1;
+       target_set_examined(target);
        return ERROR_OK;
 }
 
@@ -459,7 +487,7 @@ int target_examine(void)
 
 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 {
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -469,7 +497,7 @@ static int target_write_memory_imp(struct target_s *target, u32 address, u32 siz
 
 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 {
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -479,7 +507,7 @@ static int target_read_memory_imp(struct target_s *target, u32 address, u32 size
 
 static int target_soft_reset_halt_imp(struct target_s *target)
 {
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -489,7 +517,7 @@ static int target_soft_reset_halt_imp(struct target_s *target)
 
 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
 {
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -497,6 +525,52 @@ static int target_run_algorithm_imp(struct target_s *target, int num_mem_params,
        return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
 }
 
+int target_read_memory(struct target_s *target,
+               u32 address, u32 size, u32 count, u8 *buffer)
+{
+       return target->type->read_memory(target, address, size, count, buffer);
+}
+
+int target_write_memory(struct target_s *target,
+               u32 address, u32 size, u32 count, u8 *buffer)
+{
+       return target->type->write_memory(target, address, size, count, buffer);
+}
+int target_bulk_write_memory(struct target_s *target,
+               u32 address, u32 count, u8 *buffer)
+{
+       return target->type->bulk_write_memory(target, address, count, buffer);
+}
+
+
+int target_run_algorithm(struct target_s *target,
+               int num_mem_params, mem_param_t *mem_params,
+               int num_reg_params, reg_param_t *reg_param,
+               u32 entry_point, u32 exit_point,
+               int timeout_ms, void *arch_info)
+{
+       return target->type->run_algorithm(target,
+                       num_mem_params, mem_params, num_reg_params, reg_param,
+                       entry_point, exit_point, timeout_ms, arch_info);
+}
+
+/// @returns @c true if the target has been examined.
+bool target_was_examined(struct target_s *target)
+{
+       return target->type->examined;
+}
+/// Sets the @c examined flag for the given target.
+void target_set_examined(struct target_s *target)
+{
+       target->type->examined = true;
+}
+// Reset the @c examined flag for the given target.
+void target_reset_examined(struct target_s *target)
+{
+       target->type->examined = false;
+}
+
+
 int target_init(struct command_context_s *cmd_ctx)
 {
        target_t *target = all_targets;
@@ -504,7 +578,7 @@ int target_init(struct command_context_s *cmd_ctx)
 
        while (target)
        {
-               target->type->examined = 0;
+               target_reset_examined(target);
                if (target->type->examine == NULL)
                {
                        target->type->examine = default_examine;
@@ -830,7 +904,7 @@ int target_alloc_working_area(struct target_s *target, u32 size, working_area_t
                {
                        int retval;
                        new_wa->backup = malloc(new_wa->size);
-                       if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
+                       if((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
                        {
                                free(new_wa->backup);
                                free(new_wa);
@@ -864,7 +938,7 @@ int target_free_working_area_restore(struct target_s *target, working_area_t *ar
        if (restore&&target->backup_working_area)
        {
                int retval;
-               if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
+               if((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
                        return retval;
        }
 
@@ -951,12 +1025,16 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
        int retval;
        LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
        }
 
+       if (size == 0) {
+               return ERROR_OK;
+       }
+
        if ((address + size - 1) < address)
        {
                /* GDB can request this when e.g. PC is 0xfffffffc*/
@@ -966,7 +1044,7 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
 
        if (((address % 2) == 0) && (size == 2))
        {
-               return target->type->write_memory(target, address, 2, 1, buffer);
+               return target_write_memory(target, address, 2, 1, buffer);
        }
 
        /* handle unaligned head bytes */
@@ -977,7 +1055,7 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
                if (unaligned > size)
                        unaligned = size;
 
-               if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
+               if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
                        return retval;
 
                buffer += unaligned;
@@ -998,7 +1076,7 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
                }
                else
                {
-                       if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
+                       if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
                                return retval;
                }
 
@@ -1010,7 +1088,7 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
        /* handle tail writes of less than 4 bytes */
        if (size > 0)
        {
-               if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
+               if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
                        return retval;
        }
 
@@ -1026,12 +1104,16 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
        int retval;
        LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
 
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
        }
 
+       if (size == 0) {
+               return ERROR_OK;
+       }
+
        if ((address + size - 1) < address)
        {
                /* GDB can request this when e.g. PC is 0xfffffffc*/
@@ -1041,7 +1123,7 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
 
        if (((address % 2) == 0) && (size == 2))
        {
-               return target->type->read_memory(target, address, 2, 1, buffer);
+               return target_read_memory(target, address, 2, 1, buffer);
        }
 
        /* handle unaligned head bytes */
@@ -1052,7 +1134,7 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
                if (unaligned > size)
                        unaligned = size;
 
-               if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
+               if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
                        return retval;
 
                buffer += unaligned;
@@ -1065,7 +1147,7 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
        {
                int aligned = size - (size % 4);
 
-               if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
+               if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
                        return retval;
 
                buffer += aligned;
@@ -1076,7 +1158,7 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
        /* handle tail writes of less than 4 bytes */
        if (size > 0)
        {
-               if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
+               if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
                        return retval;
        }
 
@@ -1089,7 +1171,7 @@ int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32*
        int retval;
        u32 i;
        u32 checksum = 0;
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -1131,7 +1213,7 @@ int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32*
 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
 {
        int retval;
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -1148,13 +1230,13 @@ int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u3
 int target_read_u32(struct target_s *target, u32 address, u32 *value)
 {
        u8 value_buf[4];
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
        }
 
-       int retval = target->type->read_memory(target, address, 4, 1, value_buf);
+       int retval = target_read_memory(target, address, 4, 1, value_buf);
 
        if (retval == ERROR_OK)
        {
@@ -1173,13 +1255,13 @@ int target_read_u32(struct target_s *target, u32 address, u32 *value)
 int target_read_u16(struct target_s *target, u32 address, u16 *value)
 {
        u8 value_buf[2];
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
        }
 
-       int retval = target->type->read_memory(target, address, 2, 1, value_buf);
+       int retval = target_read_memory(target, address, 2, 1, value_buf);
 
        if (retval == ERROR_OK)
        {
@@ -1197,8 +1279,8 @@ int target_read_u16(struct target_s *target, u32 address, u16 *value)
 
 int target_read_u8(struct target_s *target, u32 address, u8 *value)
 {
-       int retval = target->type->read_memory(target, address, 1, 1, value);
-       if (!target->type->examined)
+       int retval = target_read_memory(target, address, 1, 1, value);
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -1221,7 +1303,7 @@ int target_write_u32(struct target_s *target, u32 address, u32 value)
 {
        int retval;
        u8 value_buf[4];
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -1230,7 +1312,7 @@ int target_write_u32(struct target_s *target, u32 address, u32 value)
        LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
 
        target_buffer_set_u32(target, value_buf, value);
-       if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
+       if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
        {
                LOG_DEBUG("failed: %i", retval);
        }
@@ -1242,7 +1324,7 @@ int target_write_u16(struct target_s *target, u32 address, u16 value)
 {
        int retval;
        u8 value_buf[2];
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -1251,7 +1333,7 @@ int target_write_u16(struct target_s *target, u32 address, u16 value)
        LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
 
        target_buffer_set_u16(target, value_buf, value);
-       if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
+       if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
        {
                LOG_DEBUG("failed: %i", retval);
        }
@@ -1262,7 +1344,7 @@ int target_write_u16(struct target_s *target, u32 address, u16 value)
 int target_write_u8(struct target_s *target, u32 address, u8 value)
 {
        int retval;
-       if (!target->type->examined)
+       if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
@@ -1270,7 +1352,7 @@ int target_write_u8(struct target_s *target, u32 address, u8 value)
 
        LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
 
-       if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
+       if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
        {
                LOG_DEBUG("failed: %i", retval);
        }
@@ -1333,35 +1415,16 @@ int target_register_user_commands(struct command_context_s *cmd_ctx)
 
 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       char *cp;
        target_t *target = all_targets;
 
        if (argc == 1)
        {
-               /* try as tcltarget name */
-               for( target = all_targets ; target ; target = target->next ){
-                 if( target->cmd_name ){
-                       if( 0 == strcmp( args[0], target->cmd_name ) ){
-                               /* MATCH */
-                               goto Match;
-                       }
-                 }
-               }
-               /* no match, try as number */
-
-               int num = strtoul(args[0], &cp, 0 );
-               if( *cp != 0 ){
-                       /* then it was not a number */
-                       command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
-                       goto DumpTargets;
-               }
-
-               target = get_target_by_num( num );
-               if( target == NULL ){
+               target = get_target(args[0]);
+               if (target == NULL) {
                        command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
                        goto DumpTargets;
                }
-       Match:
+
                cmd_ctx->current_target = target->target_number;
                return ERROR_OK;
        }
@@ -1827,77 +1890,80 @@ static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, cha
        return ERROR_OK;
 }
 
-static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+static void handle_md_output(struct command_context_s *cmd_ctx,
+               struct target_s *target, u32 address, unsigned size,
+               unsigned count, const u8 *buffer)
 {
-       const int line_bytecnt = 32;
-       int count = 1;
-       int size = 4;
-       u32 address = 0;
-       int line_modulo;
-       int i;
+       const unsigned line_bytecnt = 32;
+       unsigned line_modulo = line_bytecnt / size;
 
-       char output[128];
-       int output_len;
+       char output[line_bytecnt * 4 + 1];
+       unsigned output_len = 0;
 
-       int retval;
+       const char *value_fmt;
+       switch (size) {
+       case 4: value_fmt = "%8.8x"; break;
+       case 2: value_fmt = "%4.2x"; break;
+       case 1: value_fmt = "%2.2x"; break;
+       default:
+               LOG_ERROR("invalid memory read size: %u", size);
+               exit(-1);
+       }
 
-       u8 *buffer;
-       target_t *target = get_current_target(cmd_ctx);
+       for (unsigned i = 0; i < count; i++)
+       {
+               if (i % line_modulo == 0)
+               {
+                       output_len += snprintf(output + output_len,
+                                       sizeof(output) - output_len,
+                                       "0x%8.8x: ", address + (i*size));
+               }
 
-       if (argc < 1)
-               return ERROR_OK;
+               u32 value;
+               const u8 *value_ptr = buffer + i * size;
+               switch (size) {
+               case 4: value = target_buffer_get_u32(target, value_ptr); break;
+               case 2: value = target_buffer_get_u16(target, value_ptr); break;
+               case 1: value = *value_ptr;
+               }
+               output_len += snprintf(output + output_len,
+                               sizeof(output) - output_len,
+                               value_fmt, value);
 
-       if (argc == 2)
-               count = strtoul(args[1], NULL, 0);
+               if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
+               {
+                       command_print(cmd_ctx, "%s", output);
+                       output_len = 0;
+               }
+       }
+}
 
-       address = strtoul(args[0], NULL, 0);
+static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       if (argc < 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-       switch (cmd[2])
-       {
-               case 'w':
-                       size = 4; line_modulo = line_bytecnt / 4;
-                       break;
-               case 'h':
-                       size = 2; line_modulo = line_bytecnt / 2;
-                       break;
-               case 'b':
-                       size = 1; line_modulo = line_bytecnt / 1;
-                       break;
-               default:
-                       return ERROR_OK;
+       unsigned size = 0;
+       switch (cmd[2]) {
+       case 'w': size = 4; break;
+       case 'h': size = 2; break;
+       case 'b': size = 1; break;
+       default: return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
-       buffer = calloc(count, size);
-       retval  = target->type->read_memory(target, address, size, count, buffer);
-       if (retval == ERROR_OK)
-       {
-               output_len = 0;
+       u32 address = strtoul(args[0], NULL, 0);
 
-               for (i = 0; i < count; i++)
-               {
-                       if (i%line_modulo == 0)
-                               output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
+       unsigned count = 1;
+       if (argc == 2)
+               count = strtoul(args[1], NULL, 0);
 
-                       switch (size)
-                       {
-                               case 4:
-                                       output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
-                                       break;
-                               case 2:
-                                       output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
-                                       break;
-                               case 1:
-                                       output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
-                                       break;
-                       }
+       u8 *buffer = calloc(count, size);
 
-                       if ((i%line_modulo == line_modulo-1) || (i == count - 1))
-                       {
-                               command_print(cmd_ctx, output);
-                               output_len = 0;
-                       }
-               }
-       }
+       target_t *target = get_current_target(cmd_ctx);
+       int retval = target_read_memory(target,
+                               address, size, count, buffer);
+       if (ERROR_OK == retval)
+               handle_md_output(cmd_ctx, target, address, size, count, buffer);
 
        free(buffer);
 
@@ -1941,27 +2007,11 @@ static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char
        }
        for (i=0; i<count; i++)
        {
-               int retval;
-               switch (wordsize)
-               {
-                       case 4:
-                               retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
-                               break;
-                       case 2:
-                               retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
-                               break;
-                       case 1:
-                               retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
-                       break;
-                       default:
-                       return ERROR_OK;
-               }
-               keep_alive();
-
-               if (retval!=ERROR_OK)
-               {
+               int retval = target_write_memory(target,
+                               address + i * wordsize, wordsize, 1, value_buf);
+               if (ERROR_OK != retval)
                        return retval;
-               }
+               keep_alive();
        }
 
        return ERROR_OK;
@@ -2151,7 +2201,8 @@ static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cm
 
        if (retval==ERROR_OK)
        {
-               command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
+               command_print(cmd_ctx, "dumped %lld byte in %s",
+                               fileio.size, duration_text);
                free(duration_text);
        }
 
@@ -2251,7 +2302,7 @@ static int handle_verify_image_command_internal(struct command_context_s *cmd_ct
                                        size *= 4;
                                        count /= 4;
                                }
-                               retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
+                               retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
                                if (retval == ERROR_OK)
                                {
                                        u32 t;
@@ -2352,7 +2403,8 @@ static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char
                }
                else
                {
-                       command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
+                       command_print(cmd_ctx, "breakpoint added at address 0x%8.8lx",
+                                       strtoul(args[0], NULL, 0));
                }
        }
        else
@@ -2823,7 +2875,7 @@ static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_
                        count = (sizeof(buffer)/width);
                }
 
-               retval = target->type->read_memory( target, addr, width, count, buffer );
+               retval = target_read_memory( target, addr, width, count, buffer );
                if (retval != ERROR_OK) {
                        /* BOO !*/
                        LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
@@ -3022,7 +3074,7 @@ static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_
                }
                len -= count;
 
-               retval = target->type->write_memory(target, addr, width, count, buffer);
+               retval = target_write_memory(target, addr, width, count, buffer);
                if (retval != ERROR_OK) {
                        /* BOO !*/
                        LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
@@ -3513,7 +3565,7 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                        break;
                }
                for( x = 0 ; x < c ; x++ ){
-                       e = target->type->write_memory( target, a, b, 1, target_buf );
+                       e = target_write_memory( target, a, b, 1, target_buf );
                        if( e != ERROR_OK ){
                                Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
                                return JIM_ERR;
@@ -3569,7 +3621,7 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                        if( y > 16 ){
                                y = 16;
                        }
-                       e = target->type->read_memory( target, a, b, y / b, target_buf );
+                       e = target_read_memory( target, a, b, y / b, target_buf );
                        if( e != ERROR_OK ){
                                Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
                                return JIM_ERR;
@@ -3652,7 +3704,7 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                        Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
                        return JIM_ERR;
                }
-               if( !(target->type->examined) ){
+               if( !(target_was_examined(target)) ){
                        e = ERROR_TARGET_NOT_EXAMINED;
                } else {
                        e = target->type->poll( target );