C99 printf() -Werror fixes
[fw/openocd] / src / target / target.c
index 993b8c61353c542b050ee89ac701cf2ea814f6b8..e059861dc80203cc581741e368bc5c4325a9cfef 100644 (file)
@@ -34,6 +34,7 @@
 #endif
 
 #include "target.h"
+#include "target_type.h"
 #include "target_request.h"
 #include "time_support.h"
 #include "register.h"
@@ -41,8 +42,6 @@
 #include "image.h"
 #include "jtag.h"
 
-#include <inttypes.h>
-
 
 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 
@@ -83,6 +82,7 @@ extern target_type_t arm9tdmi_target;
 extern target_type_t arm920t_target;
 extern target_type_t arm966e_target;
 extern target_type_t arm926ejs_target;
+extern target_type_t fa526_target;
 extern target_type_t feroceon_target;
 extern target_type_t xscale_target;
 extern target_type_t cortexm3_target;
@@ -99,6 +99,7 @@ target_type_t *target_types[] =
        &arm720t_target,
        &arm966e_target,
        &arm926ejs_target,
+       &fa526_target,
        &feroceon_target,
        &xscale_target,
        &cortexm3_target,
@@ -270,10 +271,10 @@ static int new_target_number(void)
        return x+1;
 }
 
-static int target_continous_poll = 1;
+static int target_continuous_poll = 1;
 
-/* read a u32 from a buffer in target memory endianness */
-u32 target_buffer_get_u32(target_t *target, const u8 *buffer)
+/* read a uint32_t from a buffer in target memory endianness */
+uint32_t target_buffer_get_u32(target_t *target, const uint8_t *buffer)
 {
        if (target->endianness == TARGET_LITTLE_ENDIAN)
                return le_to_h_u32(buffer);
@@ -281,8 +282,8 @@ u32 target_buffer_get_u32(target_t *target, const u8 *buffer)
                return be_to_h_u32(buffer);
 }
 
-/* read a u16 from a buffer in target memory endianness */
-u16 target_buffer_get_u16(target_t *target, const u8 *buffer)
+/* read a uint16_t from a buffer in target memory endianness */
+uint16_t target_buffer_get_u16(target_t *target, const uint8_t *buffer)
 {
        if (target->endianness == TARGET_LITTLE_ENDIAN)
                return le_to_h_u16(buffer);
@@ -290,14 +291,14 @@ u16 target_buffer_get_u16(target_t *target, const u8 *buffer)
                return be_to_h_u16(buffer);
 }
 
-/* read a u8 from a buffer in target memory endianness */
-u8 target_buffer_get_u8(target_t *target, const u8 *buffer)
+/* read a uint8_t from a buffer in target memory endianness */
+uint8_t target_buffer_get_u8(target_t *target, const uint8_t *buffer)
 {
        return *buffer & 0x0ff;
 }
 
-/* write a u32 to a buffer in target memory endianness */
-void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
+/* write a uint32_t to a buffer in target memory endianness */
+void target_buffer_set_u32(target_t *target, uint8_t *buffer, uint32_t value)
 {
        if (target->endianness == TARGET_LITTLE_ENDIAN)
                h_u32_to_le(buffer, value);
@@ -305,8 +306,8 @@ void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
                h_u32_to_be(buffer, value);
 }
 
-/* write a u16 to a buffer in target memory endianness */
-void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
+/* write a uint16_t to a buffer in target memory endianness */
+void target_buffer_set_u16(target_t *target, uint8_t *buffer, uint16_t value)
 {
        if (target->endianness == TARGET_LITTLE_ENDIAN)
                h_u16_to_le(buffer, value);
@@ -314,8 +315,8 @@ void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
                h_u16_to_be(buffer, value);
 }
 
-/* write a u8 to a buffer in target memory endianness */
-void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
+/* write a uint8_t to a buffer in target memory endianness */
+void target_buffer_set_u8(target_t *target, uint8_t *buffer, uint8_t value)
 {
        *buffer = value;
 }
@@ -324,8 +325,6 @@ void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 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) {
@@ -336,12 +335,12 @@ target_t *get_target(const char *id)
        }
 
        /* no match, try as number */
-       num = strtoul(id, &endptr, 0);
-       if (*endptr != 0)
+       unsigned num;
+       if (parse_uint(id, &num) != ERROR_OK)
                return NULL;
 
        for (target = all_targets; target; target = target->next) {
-               if (target->target_number == num)
+               if (target->target_number == (int)num)
                        return target;
        }
 
@@ -403,7 +402,7 @@ int target_halt(struct target_s *target)
        return target->type->halt(target);
 }
 
-int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
+int target_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
 {
        int retval;
 
@@ -435,9 +434,18 @@ int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mo
                return ERROR_FAIL;
        }
 
+       /* disable polling during reset to make reset event scripts
+        * more predictable, i.e. dr/irscan & pathmove in events will
+        * not have JTAG operations injected into the middle of a sequence.
+        */
+       int save_poll = target_continuous_poll;
+       target_continuous_poll = 0;
+
        sprintf( buf, "ocd_process_reset %s", n->name );
        retval = Jim_Eval( interp, buf );
 
+       target_continuous_poll = save_poll;
+
        if(retval != JIM_OK) {
                Jim_PrintErrorMessage(interp);
                return ERROR_FAIL;
@@ -449,7 +457,7 @@ int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mo
        return retval;
 }
 
-static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
+static int default_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical)
 {
        *physical = virtual;
        return ERROR_OK;
@@ -467,6 +475,23 @@ static int default_examine(struct target_s *target)
        return ERROR_OK;
 }
 
+int target_examine_one(struct target_s *target)
+{
+       return target->type->examine(target);
+}
+
+static int jtag_enable_callback(enum jtag_event event, void *priv)
+{
+       target_t *target = priv;
+
+       if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
+               return ERROR_OK;
+
+       jtag_unregister_event_callback(jtag_enable_callback, target);
+       return target_examine_one(target);
+}
+
+
 /* Targets that correctly implement init+examine, i.e.
  * no communication with target during init:
  *
@@ -475,17 +500,27 @@ static int default_examine(struct target_s *target)
 int target_examine(void)
 {
        int retval = ERROR_OK;
-       target_t *target = all_targets;
-       while (target)
+       target_t *target;
+
+       for (target = all_targets; target; target = target->next)
        {
-               if ((retval = target->type->examine(target))!=ERROR_OK)
+               /* defer examination, but don't skip it */
+               if (!target->tap->enabled) {
+                       jtag_register_event_callback(jtag_enable_callback,
+                                       target);
+                       continue;
+               }
+               if ((retval = target_examine_one(target)) != ERROR_OK)
                        return retval;
-               target = target->next;
        }
        return retval;
 }
+const char *target_get_name(struct target_s *target)
+{
+       return target->type->name;
+}
 
-static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
+static int target_write_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 {
        if (!target_was_examined(target))
        {
@@ -495,7 +530,7 @@ static int target_write_memory_imp(struct target_s *target, u32 address, u32 siz
        return target->type->write_memory_imp(target, address, size, count, buffer);
 }
 
-static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
+static int target_read_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 {
        if (!target_was_examined(target))
        {
@@ -515,7 +550,7 @@ static int target_soft_reset_halt_imp(struct target_s *target)
        return target->type->soft_reset_halt_imp(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)
+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, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
 {
        if (!target_was_examined(target))
        {
@@ -526,22 +561,43 @@ static int target_run_algorithm_imp(struct target_s *target, int num_mem_params,
 }
 
 int target_read_memory(struct target_s *target,
-               u32 address, u32 size, u32 count, u8 *buffer)
+               uint32_t address, uint32_t size, uint32_t count, uint8_t *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)
+               uint32_t address, uint32_t size, uint32_t count, uint8_t *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)
+               uint32_t address, uint32_t count, uint8_t *buffer)
 {
        return target->type->bulk_write_memory(target, address, count, buffer);
 }
 
+int target_add_breakpoint(struct target_s *target,
+               struct breakpoint_s *breakpoint)
+{
+       return target->type->add_breakpoint(target, breakpoint);
+}
+int target_remove_breakpoint(struct target_s *target,
+               struct breakpoint_s *breakpoint)
+{
+       return target->type->remove_breakpoint(target, breakpoint);
+}
+
+int target_add_watchpoint(struct target_s *target,
+               struct watchpoint_s *watchpoint)
+{
+       return target->type->add_watchpoint(target, watchpoint);
+}
+int target_remove_watchpoint(struct target_s *target,
+               struct watchpoint_s *watchpoint)
+{
+       return target->type->remove_watchpoint(target, watchpoint);
+}
 
 int target_get_gdb_reg_list(struct target_s *target,
                struct reg_s **reg_list[], int *reg_list_size)
@@ -549,7 +605,7 @@ int target_get_gdb_reg_list(struct target_s *target,
        return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
 }
 int target_step(struct target_s *target,
-               int current, u32 address, int handle_breakpoints)
+               int current, uint32_t address, int handle_breakpoints)
 {
        return target->type->step(target, current, address, handle_breakpoints);
 }
@@ -558,7 +614,7 @@ int target_step(struct target_s *target,
 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,
+               uint32_t entry_point, uint32_t exit_point,
                int timeout_ms, void *arch_info)
 {
        return target->type->run_algorithm(target,
@@ -598,7 +654,7 @@ int target_init(struct command_context_s *cmd_ctx)
 
                if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
                {
-                       LOG_ERROR("target '%s' init failed", target->type->name);
+                       LOG_ERROR("target '%s' init failed", target_get_name(target));
                        return retval;
                }
 
@@ -781,46 +837,56 @@ int target_call_event_callbacks(target_t *target, enum target_event event)
        return ERROR_OK;
 }
 
-static int target_call_timer_callbacks_check_time(int checktime)
+static int target_timer_callback_periodic_restart(
+               target_timer_callback_t *cb, struct timeval *now)
 {
-       target_timer_callback_t *callback = target_timer_callbacks;
-       target_timer_callback_t *next_callback;
-       struct timeval now;
+       int time_ms = cb->time_ms;
+       cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
+       time_ms -= (time_ms % 1000);
+       cb->when.tv_sec = now->tv_sec + time_ms / 1000;
+       if (cb->when.tv_usec > 1000000)
+       {
+               cb->when.tv_usec = cb->when.tv_usec - 1000000;
+               cb->when.tv_sec += 1;
+       }
+       return ERROR_OK;
+}
+
+static int target_call_timer_callback(target_timer_callback_t *cb,
+               struct timeval *now)
+{
+       cb->callback(cb->priv);
 
+       if (cb->periodic)
+               return target_timer_callback_periodic_restart(cb, now);
+
+       return target_unregister_timer_callback(cb->callback, cb->priv);
+}
+
+static int target_call_timer_callbacks_check_time(int checktime)
+{
        keep_alive();
 
+       struct timeval now;
        gettimeofday(&now, NULL);
 
+       target_timer_callback_t *callback = target_timer_callbacks;
        while (callback)
        {
-               next_callback = callback->next;
+               // cleaning up may unregister and free this callback
+               target_timer_callback_t *next_callback = callback->next;
+
+               bool call_it = callback->callback &&
+                       ((!checktime && callback->periodic) ||
+                         now.tv_sec > callback->when.tv_sec ||
+                        (now.tv_sec == callback->when.tv_sec &&
+                         now.tv_usec >= callback->when.tv_usec));
 
-               if ((!checktime&&callback->periodic)||
-                               (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
-                                               || (now.tv_sec > callback->when.tv_sec)))
+               if (call_it)
                {
-                       if(callback->callback != NULL)
-                       {
-                               callback->callback(callback->priv);
-                               if (callback->periodic)
-                               {
-                                       int time_ms = callback->time_ms;
-                                       callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
-                                       time_ms -= (time_ms % 1000);
-                                       callback->when.tv_sec = now.tv_sec + time_ms / 1000;
-                                       if (callback->when.tv_usec > 1000000)
-                                       {
-                                               callback->when.tv_usec = callback->when.tv_usec - 1000000;
-                                               callback->when.tv_sec += 1;
-                                       }
-                               }
-                               else
-                               {
-                                       int retval;
-                                       if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
-                                               return retval;
-                               }
-                       }
+                       int retval = target_call_timer_callback(callback, &now);
+                       if (retval != ERROR_OK)
+                               return retval;
                }
 
                callback = next_callback;
@@ -840,7 +906,7 @@ int target_call_timer_callbacks_now(void)
        return target_call_timer_callbacks_check_time(0);
 }
 
-int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
+int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
 {
        working_area_t *c = target->working_areas;
        working_area_t *new_wa = NULL;
@@ -868,8 +934,8 @@ int target_alloc_working_area(struct target_s *target, u32 size, working_area_t
        /* only allocate multiples of 4 byte */
        if (size % 4)
        {
-               LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
-               size = CEIL(size, 4);
+               LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
+               size = (size + 3) & (~3);
        }
 
        /* see if there's already a matching working area */
@@ -887,8 +953,8 @@ int target_alloc_working_area(struct target_s *target, u32 size, working_area_t
        if (!new_wa)
        {
                working_area_t **p = &target->working_areas;
-               u32 first_free = target->working_area;
-               u32 free_size = target->working_area_size;
+               uint32_t first_free = target->working_area;
+               uint32_t free_size = target->working_area_size;
 
                LOG_DEBUG("allocating new working area");
 
@@ -903,7 +969,8 @@ int target_alloc_working_area(struct target_s *target, u32 size, working_area_t
 
                if (free_size < size)
                {
-                       LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
+                       LOG_WARNING("not enough working area available(requested %u, free %u)", 
+                                   (unsigned)(size), (unsigned)(free_size));
                        return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
                }
 
@@ -1032,10 +1099,11 @@ int target_arch_state(struct target_s *target)
  * 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 target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
 {
        int retval;
-       LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
+       LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", 
+                 (int)size, (unsigned)address);
 
        if (!target_was_examined(target))
        {
@@ -1050,7 +1118,9 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
        if ((address + size - 1) < address)
        {
                /* GDB can request this when e.g. PC is 0xfffffffc*/
-               LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
+               LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", 
+                                 (unsigned)address, 
+                                 (unsigned)size);
                return ERROR_FAIL;
        }
 
@@ -1062,7 +1132,7 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
        /* handle unaligned head bytes */
        if (address % 4)
        {
-               u32 unaligned = 4 - (address % 4);
+               uint32_t unaligned = 4 - (address % 4);
 
                if (unaligned > size)
                        unaligned = size;
@@ -1111,10 +1181,11 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
  * 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 target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
 {
        int retval;
-       LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
+       LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", 
+                         (int)size, (unsigned)address);
 
        if (!target_was_examined(target))
        {
@@ -1129,7 +1200,9 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
        if ((address + size - 1) < address)
        {
                /* GDB can request this when e.g. PC is 0xfffffffc*/
-               LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
+               LOG_ERROR("address+size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")", 
+                                 address, 
+                                 size);
                return ERROR_FAIL;
        }
 
@@ -1141,7 +1214,7 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
        /* handle unaligned head bytes */
        if (address % 4)
        {
-               u32 unaligned = 4 - (address % 4);
+               uint32_t unaligned = 4 - (address % 4);
 
                if (unaligned > size)
                        unaligned = size;
@@ -1177,12 +1250,12 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
        return ERROR_OK;
 }
 
-int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
+int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
 {
-       u8 *buffer;
+       uint8_t *buffer;
        int retval;
-       u32 i;
-       u32 checksum = 0;
+       uint32_t i;
+       uint32_t checksum = 0;
        if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
@@ -1195,7 +1268,7 @@ int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32*
                buffer = malloc(size);
                if (buffer == NULL)
                {
-                       LOG_ERROR("error allocating buffer for section (%d bytes)", size);
+                       LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
                        return ERROR_INVALID_ARGUMENTS;
                }
                retval = target_read_buffer(target, address, size, buffer);
@@ -1206,11 +1279,11 @@ int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32*
                }
 
                /* convert to target endianess */
-               for (i = 0; i < (size/sizeof(u32)); i++)
+               for (i = 0; i < (size/sizeof(uint32_t)); i++)
                {
-                       u32 target_data;
-                       target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
-                       target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
+                       uint32_t target_data;
+                       target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
+                       target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
                }
 
                retval = image_calculate_checksum( buffer, size, &checksum );
@@ -1222,7 +1295,7 @@ int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32*
        return retval;
 }
 
-int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
+int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
 {
        int retval;
        if (!target_was_examined(target))
@@ -1239,9 +1312,9 @@ int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u3
        return retval;
 }
 
-int target_read_u32(struct target_s *target, u32 address, u32 *value)
+int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
 {
-       u8 value_buf[4];
+       uint8_t value_buf[4];
        if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
@@ -1253,20 +1326,23 @@ int target_read_u32(struct target_s *target, u32 address, u32 *value)
        if (retval == ERROR_OK)
        {
                *value = target_buffer_get_u32(target, value_buf);
-               LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
+               LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "", 
+                                 address, 
+                                 *value);
        }
        else
        {
                *value = 0x0;
-               LOG_DEBUG("address: 0x%8.8x failed", address);
+               LOG_DEBUG("address: 0x%8.8" PRIx32 " failed", 
+                                 address);
        }
 
        return retval;
 }
 
-int target_read_u16(struct target_s *target, u32 address, u16 *value)
+int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
 {
-       u8 value_buf[2];
+       uint8_t value_buf[2];
        if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
@@ -1278,18 +1354,21 @@ int target_read_u16(struct target_s *target, u32 address, u16 *value)
        if (retval == ERROR_OK)
        {
                *value = target_buffer_get_u16(target, value_buf);
-               LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
+               LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x", 
+                                 address, 
+                                 *value);
        }
        else
        {
                *value = 0x0;
-               LOG_DEBUG("address: 0x%8.8x failed", address);
+               LOG_DEBUG("address: 0x%8.8" PRIx32 " failed", 
+                                 address);
        }
 
        return retval;
 }
 
-int target_read_u8(struct target_s *target, u32 address, u8 *value)
+int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
 {
        int retval = target_read_memory(target, address, 1, 1, value);
        if (!target_was_examined(target))
@@ -1300,28 +1379,33 @@ int target_read_u8(struct target_s *target, u32 address, u8 *value)
 
        if (retval == ERROR_OK)
        {
-               LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
+               LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x", 
+                                 address, 
+                                 *value);
        }
        else
        {
                *value = 0x0;
-               LOG_DEBUG("address: 0x%8.8x failed", address);
+               LOG_DEBUG("address: 0x%8.8" PRIx32 " failed", 
+                                 address);
        }
 
        return retval;
 }
 
-int target_write_u32(struct target_s *target, u32 address, u32 value)
+int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
 {
        int retval;
-       u8 value_buf[4];
+       uint8_t value_buf[4];
        if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
        }
 
-       LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
+       LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "", 
+                         address, 
+                         value);
 
        target_buffer_set_u32(target, value_buf, value);
        if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
@@ -1332,17 +1416,19 @@ int target_write_u32(struct target_s *target, u32 address, u32 value)
        return retval;
 }
 
-int target_write_u16(struct target_s *target, u32 address, u16 value)
+int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
 {
        int retval;
-       u8 value_buf[2];
+       uint8_t value_buf[2];
        if (!target_was_examined(target))
        {
                LOG_ERROR("Target not examined yet");
                return ERROR_FAIL;
        }
 
-       LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
+       LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x", 
+                         address, 
+                         value);
 
        target_buffer_set_u16(target, value_buf, value);
        if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
@@ -1353,7 +1439,7 @@ int target_write_u16(struct target_s *target, u32 address, u16 value)
        return retval;
 }
 
-int target_write_u8(struct target_s *target, u32 address, u8 value)
+int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
 {
        int retval;
        if (!target_was_examined(target))
@@ -1362,7 +1448,8 @@ int target_write_u8(struct target_s *target, u32 address, u8 value)
                return ERROR_FAIL;
        }
 
-       LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
+       LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x", 
+                         address, value);
 
        if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
        {
@@ -1436,6 +1523,12 @@ static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd,
                        command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
                        goto DumpTargets;
                }
+               if (!target->tap->enabled) {
+                       command_print(cmd_ctx,"Target: TAP %s is disabled, "
+                                       "can't be the current target\n",
+                                       target->tap->dotted_name);
+                       return ERROR_FAIL;
+               }
 
                cmd_ctx->current_target = target->target_number;
                return ERROR_OK;
@@ -1443,19 +1536,32 @@ static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd,
 DumpTargets:
 
        target = all_targets;
-       command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
-       command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
+       command_print(cmd_ctx, "    TargetName         Type       Endian TapName            State       ");
+       command_print(cmd_ctx, "--  ------------------ ---------- ------ ------------------ ------------");
        while (target)
        {
-               /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
-               command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
+               const char *state;
+               char marker = ' ';
+
+               if (target->tap->enabled)
+                       state = Jim_Nvp_value2name_simple(nvp_target_state,
+                                       target->state)->name;
+               else
+                       state = "tap-disabled";
+
+               if (cmd_ctx->current_target == target->target_number)
+                       marker = '*';
+
+               /* keep columns lined up to match the headers above */
+               command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
                                          target->target_number,
+                                         marker,
                                          target->cmd_name,
-                                         target->type->name,
-                                         Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
-                                         target->tap->abs_chain_position,
+                                         target_get_name(target),
+                                         Jim_Nvp_value2name_simple(nvp_target_endian,
+                                                               target->endianness)->name,
                                          target->tap->dotted_name,
-                                         Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
+                                         state);
                target = target->next;
        }
 
@@ -1583,20 +1689,23 @@ int handle_target(void *priv)
                recursive = 0;
        }
 
-       target_t *target = all_targets;
-
-       while (target)
+       /* Poll targets for state changes unless that's globally disabled.
+        * Skip targets that are currently disabled.
+        */
+       for (target_t *target = all_targets;
+                       target_continuous_poll && target;
+                       target = target->next)
        {
+               if (!target->tap->enabled)
+                       continue;
 
                /* only poll target if we've got power and srst isn't asserted */
-               if (target_continous_poll&&!powerDropout&&!srstAsserted)
+               if (!powerDropout && !srstAsserted)
                {
                        /* polling may fail silently until the target has been examined */
                        if((retval = target_poll(target)) != ERROR_OK)
                                return retval;
                }
-
-               target = target->next;
        }
 
        return retval;
@@ -1625,7 +1734,13 @@ static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char
                        for (i = 0; i < cache->num_regs; i++)
                        {
                                value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
-                               command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
+                               command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", 
+                                                         count++, 
+                                                         cache->reg_list[i].name, 
+                                                         (int)(cache->reg_list[i].size),
+                                                         value, 
+                                                         cache->reg_list[i].dirty, 
+                                                         cache->reg_list[i].valid);
                                free(value);
                        }
                        cache = cache->next;
@@ -1637,16 +1752,19 @@ static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char
        /* access a single register by its ordinal number */
        if ((args[0][0] >= '0') && (args[0][0] <= '9'))
        {
-               int num = strtoul(args[0], NULL, 0);
-               reg_cache_t *cache = target->reg_cache;
+               unsigned num;
+               int retval = parse_uint(args[0], &num);
+               if (ERROR_OK != retval)
+                       return ERROR_COMMAND_SYNTAX_ERROR;
 
+               reg_cache_t *cache = target->reg_cache;
                count = 0;
                while(cache)
                {
                        int i;
                        for (i = 0; i < cache->num_regs; i++)
                        {
-                               if (count++ == num)
+                               if (count++ == (int)num)
                                {
                                        reg = &cache->reg_list[i];
                                        break;
@@ -1685,7 +1803,7 @@ static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char
                        arch_type->get(reg);
                }
                value = buf_to_str(reg->value, reg->size, 16);
-               command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
+               command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
                free(value);
                return ERROR_OK;
        }
@@ -1693,14 +1811,14 @@ static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char
        /* set register value */
        if (argc == 2)
        {
-               u8 *buf = malloc(CEIL(reg->size, 8));
+               uint8_t *buf = malloc(CEIL(reg->size, 8));
                str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
 
                reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
                arch_type->set(reg, buf);
 
                value = buf_to_str(reg->value, reg->size, 16);
-               command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
+               command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
                free(value);
 
                free(buf);
@@ -1720,9 +1838,16 @@ static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, cha
 
        if (argc == 0)
        {
-               if((retval = target_poll(target)) != ERROR_OK)
+               command_print(cmd_ctx, "background polling: %s",
+                               target_continuous_poll ?  "on" : "off");
+               command_print(cmd_ctx, "TAP: %s (%s)",
+                               target->tap->dotted_name,
+                               target->tap->enabled ? "enabled" : "disabled");
+               if (!target->tap->enabled)
+                       return ERROR_OK;
+               if ((retval = target_poll(target)) != ERROR_OK)
                        return retval;
-               if((retval = target_arch_state(target)) != ERROR_OK)
+               if ((retval = target_arch_state(target)) != ERROR_OK)
                        return retval;
 
        }
@@ -1730,11 +1855,11 @@ static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, cha
        {
                if (strcmp(args[0], "on") == 0)
                {
-                       target_continous_poll = 1;
+                       target_continuous_poll = 1;
                }
                else if (strcmp(args[0], "off") == 0)
                {
-                       target_continous_poll = 0;
+                       target_continuous_poll = 0;
                }
                else
                {
@@ -1750,21 +1875,23 @@ static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, cha
 
 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       int ms = 5000;
+       if (argc > 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-       if (argc > 0)
+       unsigned ms = 5000;
+       if (1 == argc)
        {
-               char *end;
-
-               ms = strtoul(args[0], &end, 0) * 1000;
-               if (*end)
+               int retval = parse_uint(args[0], &ms);
+               if (ERROR_OK != retval)
                {
                        command_print(cmd_ctx, "usage: %s [seconds]", cmd);
-                       return ERROR_OK;
+                       return ERROR_COMMAND_SYNTAX_ERROR;
                }
+               // convert seconds (given) to milliseconds (needed)
+               ms *= 1000;
        }
-       target_t *target = get_current_target(cmd_ctx);
 
+       target_t *target = get_current_target(cmd_ctx);
        return target_wait_state(target, TARGET_HALTED, ms);
 }
 
@@ -1815,23 +1942,20 @@ int target_wait_state(target_t *target, enum target_state state, int ms)
 
 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       int retval;
-       target_t *target = get_current_target(cmd_ctx);
-
        LOG_DEBUG("-");
 
-       if ((retval = target_halt(target)) != ERROR_OK)
-       {
+       target_t *target = get_current_target(cmd_ctx);
+       int retval = target_halt(target);
+       if (ERROR_OK != retval)
                return retval;
-       }
 
        if (argc == 1)
        {
-               int wait;
-               char *end;
-
-               wait = strtoul(args[0], &end, 0);
-               if (!*end && !wait)
+               unsigned wait;
+               retval = parse_uint(args[0], &wait);
+               if (ERROR_OK != retval)
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+               if (!wait)
                        return ERROR_OK;
        }
 
@@ -1851,11 +1975,13 @@ static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, cha
 
 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       const Jim_Nvp *n;
-       enum target_reset_mode reset_mode = RESET_RUN;
+       if (argc > 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-       if (argc >= 1)
+       enum target_reset_mode reset_mode = RESET_RUN;
+       if (argc == 1)
        {
+               const Jim_Nvp *n;
                n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
                if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
                        return ERROR_COMMAND_SYNTAX_ERROR;
@@ -1870,41 +1996,51 @@ static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, ch
 
 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       int retval;
-       target_t *target = get_current_target(cmd_ctx);
+       if (argc > 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-       target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
+       target_t *target = get_current_target(cmd_ctx);
+       target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
 
-       if (argc == 0)
-               retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
-       else if (argc == 1)
-               retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
-       else
+       /* with no args, resume from current pc, addr = 0,
+        * with one arguments, addr = args[0],
+        * handle breakpoints, not debugging */
+       uint32_t addr = 0;
+       if (argc == 1)
        {
-               retval = ERROR_COMMAND_SYNTAX_ERROR;
+               int retval = parse_u32(args[0], &addr);
+               if (ERROR_OK != retval)
+                       return retval;
        }
 
-       return retval;
+       return target_resume(target, 0, addr, 1, 0);
 }
 
 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       target_t *target = get_current_target(cmd_ctx);
+       if (argc > 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
        LOG_DEBUG("-");
 
-       if (argc == 0)
-               return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
-
+       /* with no args, step from current pc, addr = 0,
+        * with one argument addr = args[0],
+        * handle breakpoints, debugging */
+       uint32_t addr = 0;
        if (argc == 1)
-               return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
+       {
+               int retval = parse_u32(args[0], &addr);
+               if (ERROR_OK != retval)
+                       return retval;
+       }
 
-       return ERROR_OK;
+       target_t *target = get_current_target(cmd_ctx);
+       return target->type->step(target, 0, addr, 1);
 }
 
 static void handle_md_output(struct command_context_s *cmd_ctx,
-               struct target_s *target, u32 address, unsigned size,
-               unsigned count, const u8 *buffer)
+               struct target_s *target, uint32_t address, unsigned size,
+               unsigned count, const uint8_t *buffer)
 {
        const unsigned line_bytecnt = 32;
        unsigned line_modulo = line_bytecnt / size;
@@ -1914,9 +2050,9 @@ static void handle_md_output(struct command_context_s *cmd_ctx,
 
        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;
+       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);
@@ -1928,11 +2064,12 @@ static void handle_md_output(struct command_context_s *cmd_ctx,
                {
                        output_len += snprintf(output + output_len,
                                        sizeof(output) - output_len,
-                                       "0x%8.8x: ", address + (i*size));
+                                       "0x%8.8x: ", 
+                                       (unsigned)(address + (i*size)));
                }
 
-               u32 value;
-               const u8 *value_ptr = buffer + i * size;
+               uint32_t value=0;
+               const uint8_t *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;
@@ -1963,16 +2100,23 @@ static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char
        default: return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
-       u32 address = strtoul(args[0], NULL, 0);
+       uint32_t address;
+       int retval = parse_u32(args[0], &address);
+       if (ERROR_OK != retval)
+               return retval;
 
        unsigned count = 1;
        if (argc == 2)
-               count = strtoul(args[1], NULL, 0);
+       {
+               retval = parse_uint(args[1], &count);
+               if (ERROR_OK != retval)
+                       return retval;
+       }
 
-       u8 *buffer = calloc(count, size);
+       uint8_t *buffer = calloc(count, size);
 
        target_t *target = get_current_target(cmd_ctx);
-       int retval = target_read_memory(target,
+       retval = target_read_memory(target,
                                address, size, count, buffer);
        if (ERROR_OK == retval)
                handle_md_output(cmd_ctx, target, address, size, count, buffer);
@@ -1984,22 +2128,30 @@ static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char
 
 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       u32 address = 0;
-       u32 value = 0;
-       int count = 1;
-       int i;
-       int wordsize;
-       target_t *target = get_current_target(cmd_ctx);
-       u8 value_buf[4];
-
         if ((argc < 2) || (argc > 3))
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       address = strtoul(args[0], NULL, 0);
-       value = strtoul(args[1], NULL, 0);
+       uint32_t address;
+       int retval = parse_u32(args[0], &address);
+       if (ERROR_OK != retval)
+               return retval;
+
+       uint32_t value;
+       retval = parse_u32(args[1], &value);
+       if (ERROR_OK != retval)
+               return retval;
+
+       unsigned count = 1;
        if (argc == 3)
-               count = strtoul(args[2], NULL, 0);
+       {
+               retval = parse_uint(args[2], &count);
+               if (ERROR_OK != retval)
+                       return retval;
+       }
 
+       target_t *target = get_current_target(cmd_ctx);
+       unsigned wordsize;
+       uint8_t value_buf[4];
        switch (cmd[2])
        {
                case 'w':
@@ -2017,9 +2169,9 @@ static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char
                default:
                        return ERROR_COMMAND_SYNTAX_ERROR;
        }
-       for (i=0; i<count; i++)
+       for (unsigned i = 0; i < count; i++)
        {
-               int retval = target_write_memory(target,
+               retval = target_write_memory(target,
                                address + i * wordsize, wordsize, 1, value_buf);
                if (ERROR_OK != retval)
                        return retval;
@@ -2030,56 +2182,70 @@ static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char
 
 }
 
-static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+static int parse_load_image_command_args(char **args, int argc,
+               image_t *image, uint32_t *min_address, uint32_t *max_address)
 {
-       u8 *buffer;
-       u32 buf_cnt;
-       u32 image_size;
-       u32 min_address=0;
-       u32 max_address=0xffffffff;
-       int i;
-       int retval, retvaltemp;
-
-       image_t image;
-
-       duration_t duration;
-       char *duration_text;
-
-       target_t *target = get_current_target(cmd_ctx);
-
-       if ((argc < 1)||(argc > 5))
-       {
+       if (argc < 1 || argc > 5)
                return ERROR_COMMAND_SYNTAX_ERROR;
-       }
 
-       /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
+       /* a base address isn't always necessary,
+        * default to 0x0 (i.e. don't relocate) */
        if (argc >= 2)
        {
-               image.base_address_set = 1;
-               image.base_address = strtoul(args[1], NULL, 0);
+               uint32_t addr;
+               int retval = parse_u32(args[1], &addr);
+               if (ERROR_OK != retval)
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+               image->base_address = addr;
+               image->base_address_set = 1;
        }
        else
-       {
-               image.base_address_set = 0;
-       }
+               image->base_address_set = 0;
 
+       image->start_address_set = 0;
 
-       image.start_address_set = 0;
-
-       if (argc>=4)
+       if (argc >= 4)
        {
-               min_address=strtoul(args[3], NULL, 0);
+               int retval = parse_u32(args[3], min_address);
+               if (ERROR_OK != retval)
+                       return ERROR_COMMAND_SYNTAX_ERROR;
        }
-       if (argc>=5)
+       if (argc == 5)
        {
-               max_address=strtoul(args[4], NULL, 0)+min_address;
+               int retval = parse_u32(args[4], max_address);
+               if (ERROR_OK != retval)
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+               // use size (given) to find max (required)
+               *max_address += *min_address;
        }
 
-       if (min_address>max_address)
-       {
+       if (*min_address > *max_address)
                return ERROR_COMMAND_SYNTAX_ERROR;
-       }
 
+       return ERROR_OK;
+}
+
+static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       uint8_t *buffer;
+       uint32_t buf_cnt;
+       uint32_t image_size;
+       uint32_t min_address = 0;
+       uint32_t max_address = 0xffffffff;
+       int i;
+       int retvaltemp;
+
+       image_t image;
+
+       duration_t duration;
+       char *duration_text;
+       
+       int retval = parse_load_image_command_args(args, argc,
+                       &image, &min_address, &max_address);
+       if (ERROR_OK != retval)
+               return retval;
+
+       target_t *target = get_current_target(cmd_ctx);
        duration_start_measure(&duration);
 
        if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
@@ -2094,7 +2260,9 @@ static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cm
                buffer = malloc(image.sections[i].size);
                if (buffer == NULL)
                {
-                       command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
+                       command_print(cmd_ctx, 
+                                                 "error allocating buffer for section (%d bytes)", 
+                                                 (int)(image.sections[i].size));
                        break;
                }
 
@@ -2104,8 +2272,8 @@ static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cm
                        break;
                }
 
-               u32 offset=0;
-               u32 length=buf_cnt;
+               uint32_t offset=0;
+               uint32_t length=buf_cnt;
 
                /* DANGER!!! beware of unsigned comparision here!!! */
 
@@ -2130,7 +2298,9 @@ static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cm
                                break;
                        }
                        image_size += length;
-                       command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
+                       command_print(cmd_ctx, "%u byte written at address 0x%8.8" PRIx32 "", 
+                                                 (unsigned int)length, 
+                                                 image.sections[i].base_address+offset);
                }
 
                free(buffer);
@@ -2144,7 +2314,9 @@ static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cm
 
        if (retval==ERROR_OK)
        {
-               command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
+               command_print(cmd_ctx, "downloaded %u byte in %s", 
+                                         (unsigned int)image_size, 
+                                         duration_text);
        }
        free(duration_text);
 
@@ -2158,10 +2330,8 @@ static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cm
 {
        fileio_t fileio;
 
-       u32 address;
-       u32 size;
-       u8 buffer[560];
-       int retval=ERROR_OK, retvaltemp;
+       uint8_t buffer[560];
+       int retvaltemp;
 
        duration_t duration;
        char *duration_text;
@@ -2174,8 +2344,15 @@ static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cm
                return ERROR_OK;
        }
 
-       address = strtoul(args[1], NULL, 0);
-       size = strtoul(args[2], NULL, 0);
+       uint32_t address;
+       int retval = parse_u32(args[1], &address);
+       if (ERROR_OK != retval)
+               return retval;
+
+       uint32_t size;
+       retval = parse_u32(args[2], &size);
+       if (ERROR_OK != retval)
+               return retval;
 
        if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
        {
@@ -2186,8 +2363,8 @@ static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cm
 
        while (size > 0)
        {
-               u32 size_written;
-               u32 this_run_size = (size > 560) ? 560 : size;
+               uint32_t size_written;
+               uint32_t this_run_size = (size > 560) ? 560 : size;
 
                retval = target_read_buffer(target, address, this_run_size, buffer);
                if (retval != ERROR_OK)
@@ -2223,13 +2400,13 @@ static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cm
 
 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
 {
-       u8 *buffer;
-       u32 buf_cnt;
-       u32 image_size;
+       uint8_t *buffer;
+       uint32_t buf_cnt;
+       uint32_t image_size;
        int i;
        int retval, retvaltemp;
-       u32 checksum = 0;
-       u32 mem_checksum = 0;
+       uint32_t checksum = 0;
+       uint32_t mem_checksum = 0;
 
        image_t image;
 
@@ -2253,8 +2430,12 @@ static int handle_verify_image_command_internal(struct command_context_s *cmd_ct
 
        if (argc >= 2)
        {
+               uint32_t addr;
+               retval = parse_u32(args[1], &addr);
+               if (ERROR_OK != retval)
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+               image.base_address = addr;
                image.base_address_set = 1;
-               image.base_address = strtoul(args[1], NULL, 0);
        }
        else
        {
@@ -2276,7 +2457,9 @@ static int handle_verify_image_command_internal(struct command_context_s *cmd_ct
                buffer = malloc(image.sections[i].size);
                if (buffer == NULL)
                {
-                       command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
+                       command_print(cmd_ctx, 
+                                                 "error allocating buffer for section (%d bytes)", 
+                                                 (int)(image.sections[i].size));
                        break;
                }
                if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
@@ -2300,11 +2483,11 @@ static int handle_verify_image_command_internal(struct command_context_s *cmd_ct
                        if( checksum != mem_checksum )
                        {
                                /* failed crc checksum, fall back to a binary compare */
-                               u8 *data;
+                               uint8_t *data;
 
                                command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
 
-                               data = (u8*)malloc(buf_cnt);
+                               data = (uint8_t*)malloc(buf_cnt);
 
                                /* Can we use 32bit word accesses? */
                                int size = 1;
@@ -2317,12 +2500,16 @@ static int handle_verify_image_command_internal(struct command_context_s *cmd_ct
                                retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
                                if (retval == ERROR_OK)
                                {
-                                       u32 t;
+                                       uint32_t t;
                                        for (t = 0; t < buf_cnt; t++)
                                        {
                                                if (data[t] != buffer[t])
                                                {
-                                                       command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
+                                                       command_print(cmd_ctx, 
+                                                                                 "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", 
+                                                                                 (unsigned)(t + image.sections[i].base_address), 
+                                                                                 data[t], 
+                                                                                 buffer[t]);
                                                        free(data);
                                                        free(buffer);
                                                        retval=ERROR_FAIL;
@@ -2339,7 +2526,9 @@ static int handle_verify_image_command_internal(struct command_context_s *cmd_ct
                        }
                } else
                {
-                       command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
+                       command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "", 
+                                                 image.sections[i].base_address, 
+                                                 buf_cnt);
                }
 
                free(buffer);
@@ -2355,7 +2544,9 @@ done:
 
        if (retval==ERROR_OK)
        {
-               command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
+               command_print(cmd_ctx, "verified %u bytes in %s", 
+                                         (unsigned int)image_size, 
+                                         duration_text);
        }
        free(duration_text);
 
@@ -2374,65 +2565,92 @@ static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cm
        return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
 }
 
-static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+static int handle_bp_command_list(struct command_context_s *cmd_ctx)
 {
-       int retval;
        target_t *target = get_current_target(cmd_ctx);
-
-       if (argc == 0)
-       {
-               breakpoint_t *breakpoint = target->breakpoints;
-
-               while (breakpoint)
-               {
-                       if (breakpoint->type == BKPT_SOFT)
-                       {
-                               char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
-                               command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
-                               free(buf);
-                       }
-                       else
-                       {
-                               command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
-                       }
-                       breakpoint = breakpoint->next;
-               }
-       }
-       else if (argc >= 2)
+       breakpoint_t *breakpoint = target->breakpoints;
+       while (breakpoint)
        {
-               int hw = BKPT_SOFT;
-               u32 length = 0;
-
-               length = strtoul(args[1], NULL, 0);
-
-               if (argc >= 3)
-                       if (strcmp(args[2], "hw") == 0)
-                               hw = BKPT_HARD;
-
-               if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
+               if (breakpoint->type == BKPT_SOFT)
                {
-                       LOG_ERROR("Failure setting breakpoints");
+                       char* buf = buf_to_str(breakpoint->orig_instr,
+                                       breakpoint->length, 16);
+                       command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
+                                       breakpoint->address, 
+                                       breakpoint->length,
+                                       breakpoint->set, buf);
+                       free(buf);
                }
                else
                {
-                       command_print(cmd_ctx, "breakpoint added at address 0x%8.8lx",
-                                       strtoul(args[0], NULL, 0));
+                       command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
+                                                 breakpoint->address, 
+                                                 breakpoint->length, breakpoint->set);
                }
+
+               breakpoint = breakpoint->next;
        }
+       return ERROR_OK;
+}
+
+static int handle_bp_command_set(struct command_context_s *cmd_ctx,
+               uint32_t addr, uint32_t length, int hw)
+{
+       target_t *target = get_current_target(cmd_ctx);
+       int retval = breakpoint_add(target, addr, length, hw);
+       if (ERROR_OK == retval)
+               command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
        else
+               LOG_ERROR("Failure setting breakpoint");
+       return retval;
+}
+
+static int handle_bp_command(struct command_context_s *cmd_ctx,
+               char *cmd, char **args, int argc)
+{
+       if (argc == 0)
+               return handle_bp_command_list(cmd_ctx);
+
+       if (argc < 2 || argc > 3)
        {
                command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
+               return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
-       return ERROR_OK;
+       uint32_t addr;
+       int retval = parse_u32(args[0], &addr);
+       if (ERROR_OK != retval)
+               return retval;
+
+       uint32_t length;
+       retval = parse_u32(args[1], &length);
+       if (ERROR_OK != retval)
+               return retval;
+
+       int hw = BKPT_SOFT;
+       if (argc == 3)
+       {
+               if (strcmp(args[2], "hw") == 0)
+                       hw = BKPT_HARD;
+               else
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       return handle_bp_command_set(cmd_ctx, addr, length, hw);
 }
 
 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       target_t *target = get_current_target(cmd_ctx);
+       if (argc != 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-       if (argc > 0)
-               breakpoint_remove(target, strtoul(args[0], NULL, 0));
+       uint32_t addr;
+       int retval = parse_u32(args[0], &addr);
+       if (ERROR_OK != retval)
+               return retval;
+
+       target_t *target = get_current_target(cmd_ctx);
+       breakpoint_remove(target, addr);
 
        return ERROR_OK;
 }
@@ -2440,7 +2658,6 @@ static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char
 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
        target_t *target = get_current_target(cmd_ctx);
-       int retval;
 
        if (argc == 0)
        {
@@ -2448,97 +2665,122 @@ static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char
 
                while (watchpoint)
                {
-                       command_print(cmd_ctx, "address: 0x%8.8x, len: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
+                       command_print(cmd_ctx, 
+                                                 "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "", 
+                                                 watchpoint->address, 
+                                                 watchpoint->length,
+                                                 (int)(watchpoint->rw),
+                                                 watchpoint->value,
+                                                 watchpoint->mask);
                        watchpoint = watchpoint->next;
                }
+               return ERROR_OK;
        }
-       else if (argc >= 2)
-       {
-               enum watchpoint_rw type = WPT_ACCESS;
-               u32 data_value = 0x0;
-               u32 data_mask = 0xffffffff;
 
-               if (argc >= 3)
-               {
-                       switch(args[2][0])
-                       {
-                               case 'r':
-                                       type = WPT_READ;
-                                       break;
-                               case 'w':
-                                       type = WPT_WRITE;
-                                       break;
-                               case 'a':
-                                       type = WPT_ACCESS;
-                                       break;
-                               default:
-                                       command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
-                                       return ERROR_OK;
-                       }
-               }
-               if (argc >= 4)
-               {
-                       data_value = strtoul(args[3], NULL, 0);
-               }
-               if (argc >= 5)
-               {
-                       data_mask = strtoul(args[4], NULL, 0);
-               }
+       enum watchpoint_rw type = WPT_ACCESS;
+       uint32_t addr = 0;
+       uint32_t length = 0;
+       uint32_t data_value = 0x0;
+       uint32_t data_mask = 0xffffffff;
+       int retval;
 
-               if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
-                               strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
+       switch (argc)
+       {
+       case 5:
+               retval = parse_u32(args[4], &data_mask);
+               if (ERROR_OK != retval)
+                       return retval;
+               // fall through
+       case 4:
+               retval = parse_u32(args[3], &data_value);
+               if (ERROR_OK != retval)
+                       return retval;
+               // fall through
+       case 3:
+               switch(args[2][0])
                {
-                       LOG_ERROR("Failure setting breakpoints");
+               case 'r':
+                       type = WPT_READ;
+                       break;
+               case 'w':
+                       type = WPT_WRITE;
+                       break;
+               case 'a':
+                       type = WPT_ACCESS;
+                       break;
+               default:
+                       LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
+                       return ERROR_COMMAND_SYNTAX_ERROR;
                }
-       }
-       else
-       {
+               // fall through
+       case 2:
+               retval = parse_u32(args[1], &length);
+               if (ERROR_OK != retval)
+                       return retval;
+               retval = parse_u32(args[0], &addr);
+               if (ERROR_OK != retval)
+                       return retval;
+               break;
+
+       default:
                command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
+               return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
-       return ERROR_OK;
+       retval = watchpoint_add(target, addr, length, type,
+                       data_value, data_mask);
+       if (ERROR_OK != retval)
+               LOG_ERROR("Failure setting watchpoints");
+
+       return retval;
 }
 
 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       target_t *target = get_current_target(cmd_ctx);
+       if (argc != 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       uint32_t addr;
+       int retval = parse_u32(args[0], &addr);
+       if (ERROR_OK != retval)
+               return retval;
 
-       if (argc > 0)
-               watchpoint_remove(target, strtoul(args[0], NULL, 0));
+       target_t *target = get_current_target(cmd_ctx);
+       watchpoint_remove(target, addr);
 
        return ERROR_OK;
 }
 
-static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
-{
-       int retval;
-       target_t *target = get_current_target(cmd_ctx);
-       u32 va;
-       u32 pa;
 
+/**
+ * Translate a virtual address to a physical address.
+ *
+ * The low-level target implementation must have logged a detailed error
+ * which is forwarded to telnet/GDB session.
+ */
+static int handle_virt2phys_command(command_context_t *cmd_ctx,
+               char *cmd, char **args, int argc)
+{
        if (argc != 1)
-       {
                return ERROR_COMMAND_SYNTAX_ERROR;
-       }
-       va = strtoul(args[0], NULL, 0);
 
+       uint32_t va;
+       int retval = parse_u32(args[0], &va);
+       if (ERROR_OK != retval)
+               return retval;
+       uint32_t pa;
+
+       target_t *target = get_current_target(cmd_ctx);
        retval = target->type->virt2phys(target, va, &pa);
        if (retval == ERROR_OK)
-       {
-               command_print(cmd_ctx, "Physical address 0x%08x", pa);
-       }
-       else
-       {
-               /* lower levels will have logged a detailed error which is
-                * forwarded to telnet/GDB session.
-                */
-       }
+               command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
+
        return retval;
 }
 
 static void writeData(FILE *f, const void *data, size_t len)
 {
-       size_t written = fwrite(data, len, 1, f);
+       size_t written = fwrite(data, 1, len, f);
        if (written != len)
                LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
 }
@@ -2560,9 +2802,9 @@ static void writeString(FILE *f, char *s)
 }
 
 /* Dump a gmon.out histogram file. */
-static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
+static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
 {
-       u32 i;
+       uint32_t i;
        FILE *f=fopen(filename, "w");
        if (f==NULL)
                return;
@@ -2572,12 +2814,12 @@ static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
        writeLong(f, 0); /* padding */
        writeLong(f, 0); /* padding */
 
-       u8 zero = 0;  /* GMON_TAG_TIME_HIST */
+       uint8_t zero = 0;  /* GMON_TAG_TIME_HIST */
        writeData(f, &zero, 1);
 
        /* figure out bucket size */
-       u32 min=samples[0];
-       u32 max=samples[0];
+       uint32_t min=samples[0];
+       uint32_t max=samples[0];
        for (i=0; i<sampleNum; i++)
        {
                if (min>samples[i])
@@ -2592,8 +2834,8 @@ static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
 
        int addressSpace=(max-min+1);
 
-       static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
-       u32 length = addressSpace;
+       static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
+       uint32_t length = addressSpace;
        if (length > maxBuckets)
        {
                length=maxBuckets;
@@ -2607,7 +2849,7 @@ static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
        memset(buckets, 0, sizeof(int)*length);
        for (i=0; i<sampleNum;i++)
        {
-               u32 address=samples[i];
+               uint32_t address=samples[i];
                long long a=address-min;
                long long b=length-1;
                long long c=addressSpace-1;
@@ -2663,22 +2905,21 @@ static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd,
        {
                return ERROR_COMMAND_SYNTAX_ERROR;
        }
-       char *end;
-       timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
-       if (*end)
-       {
-               return ERROR_OK;
-       }
+       unsigned offset;
+       int retval = parse_uint(args[0], &offset);
+       if (ERROR_OK != retval)
+               return retval;
+
+       timeval_add_time(&timeout, offset, 0);
 
        command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
 
        static const int maxSample=10000;
-       u32 *samples=malloc(sizeof(u32)*maxSample);
+       uint32_t *samples=malloc(sizeof(uint32_t)*maxSample);
        if (samples==NULL)
                return ERROR_OK;
 
        int numSamples=0;
-       int retval=ERROR_OK;
        /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
        reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
 
@@ -2687,7 +2928,7 @@ static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd,
                target_poll(target);
                if (target->state == TARGET_HALTED)
                {
-                       u32 t=*((u32 *)reg->value);
+                       uint32_t t=*((uint32_t *)reg->value);
                        samples[numSamples++]=t;
                        retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
                        target_poll(target);
@@ -2739,7 +2980,7 @@ static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd,
        return ERROR_OK;
 }
 
-static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
+static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
 {
        char *namebuf;
        Jim_Obj *nameObjPtr, *valObjPtr;
@@ -2791,15 +3032,15 @@ static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
 {
        long l;
-       u32 width;
+       uint32_t width;
        int len;
-       u32 addr;
-       u32 count;
-       u32 v;
+       uint32_t addr;
+       uint32_t count;
+       uint32_t v;
        const char *varname;
-       u8 buffer[4096];
+       uint8_t buffer[4096];
        int  n, e, retval;
-       u32 i;
+       uint32_t i;
 
        /* argv[1] = name of array to receive the data
         * argv[2] = desired width
@@ -2868,7 +3109,9 @@ static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_
        } else {
                char buf[100];
                Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
-               sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
+               sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads", 
+                               addr, 
+                               width);
                Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
                return JIM_ERR;
        }
@@ -2890,7 +3133,10 @@ static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_
                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);
+                       LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", 
+                                         (unsigned int)addr, 
+                                         (int)width, 
+                                         (int)count);
                        Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
                        Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
                        e = JIM_ERR;
@@ -2920,7 +3166,7 @@ static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_
        return JIM_OK;
 }
 
-static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
+static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
 {
        char *namebuf;
        Jim_Obj *nameObjPtr, *valObjPtr;
@@ -2973,15 +3219,15 @@ static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
 {
        long l;
-       u32 width;
+       uint32_t width;
        int len;
-       u32 addr;
-       u32 count;
-       u32 v;
+       uint32_t addr;
+       uint32_t count;
+       uint32_t v;
        const char *varname;
-       u8 buffer[4096];
+       uint8_t buffer[4096];
        int  n, e, retval;
-       u32 i;
+       uint32_t i;
 
        /* argv[1] = name of array to get the data
         * argv[2] = desired width
@@ -3050,7 +3296,9 @@ static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_
        } else {
                char buf[100];
                Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
-               sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
+               sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", 
+                               (unsigned int)addr, 
+                               (int)width);
                Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
                return JIM_ERR;
        }
@@ -3089,7 +3337,10 @@ static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_
                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);
+                       LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", 
+                                         (unsigned int)addr, 
+                                         (int)width, 
+                                         (int)count);
                        Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
                        Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
                        e = JIM_ERR;
@@ -3107,8 +3358,8 @@ void target_all_handle_event( enum target_event e )
        target_t *target;
 
        LOG_DEBUG( "**all*targets: event: %d, %s",
-                       e,
-                       Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
+                          (int)e,
+                          Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
 
        target = all_targets;
        while (target){
@@ -3131,7 +3382,7 @@ void target_handle_event( target_t *target, enum target_event e )
                        LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
                                           target->target_number,
                                           target->cmd_name,
-                                          target->type->name,
+                                          target_get_name(target),
                                           e,
                                           Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
                                           Jim_GetString( teap->body, NULL ) );
@@ -3220,7 +3471,7 @@ static int target_configure( Jim_GetOptInfo *goi, target_t *target )
                                        return JIM_ERR;
                                }
                        }
-                       Jim_SetResultString( goi->interp, target->type->name, -1 );
+                       Jim_SetResultString( goi->interp, target_get_name(target), -1 );
                        /* loop for more */
                        break;
                case TCFG_EVENT:
@@ -3363,7 +3614,7 @@ static int target_configure( Jim_GetOptInfo *goi, target_t *target )
                                        goto no_params;
                                }
                        }
-                       Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
+                       Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
                        /* loop for more e*/
                        break;
 
@@ -3419,7 +3670,7 @@ static int target_configure( Jim_GetOptInfo *goi, target_t *target )
                                if( e != JIM_OK ){
                                        return e;
                                }
-                               tap = jtag_TapByJimObj( goi->interp, o );
+                               tap = jtag_tap_by_jim_obj( goi->interp, o );
                                if( tap == NULL ){
                                        return JIM_ERR;
                                }
@@ -3447,7 +3698,7 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
        Jim_GetOptInfo goi;
        jim_wide a,b,c;
        int x,y,z;
-       u8  target_buf[32];
+       uint8_t  target_buf[32];
        Jim_Nvp *n;
        target_t *target;
        struct command_context_s *cmd_ctx;
@@ -3536,7 +3787,7 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                 * argv[3] = optional count.
                 */
 
-               if( (goi.argc == 3) || (goi.argc == 4) ){
+               if( (goi.argc == 2) || (goi.argc == 3) ){
                        /* all is well */
                } else {
                mwx_error:
@@ -3553,7 +3804,7 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                if( e != JIM_OK ){
                        goto mwx_error;
                }
-               if( goi.argc ){
+               if (goi.argc == 3) {
                        e = Jim_GetOpt_Wide( &goi, &c );
                        if( e != JIM_OK ){
                                goto mwx_error;
@@ -3705,6 +3956,8 @@ 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->tap->enabled)
+                       goto err_tap_disabled;
                e = target->type->examine( target );
                if( e != ERROR_OK ){
                        Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
@@ -3716,6 +3969,8 @@ 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->tap->enabled)
+                       goto err_tap_disabled;
                if( !(target_was_examined(target)) ){
                        e = ERROR_TARGET_NOT_EXAMINED;
                } else {
@@ -3743,6 +3998,8 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                if( e != JIM_OK ){
                        return e;
                }
+               if (!target->tap->enabled)
+                       goto err_tap_disabled;
                /* determine if we should halt or not. */
                target->reset_halt = !!a;
                /* When this happens - all workareas are invalid. */
@@ -3760,6 +4017,8 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                        Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
                        return JIM_ERR;
                }
+               if (!target->tap->enabled)
+                       goto err_tap_disabled;
                target->type->halt( target );
                return JIM_OK;
        case TS_CMD_WAITSTATE:
@@ -3777,6 +4036,8 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                if( e != JIM_OK ){
                        return e;
                }
+               if (!target->tap->enabled)
+                       goto err_tap_disabled;
                e = target_wait_state( target, n->value, a );
                if( e != ERROR_OK ){
                        Jim_SetResult_sprintf( goi.interp,
@@ -3832,6 +4093,10 @@ static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
                return JIM_OK;
        }
        return JIM_ERR;
+
+err_tap_disabled:
+       Jim_SetResult_sprintf(interp, "[TAP is disabled]");
+       return JIM_ERR;
 }
 
 static int target_create( Jim_GetOptInfo *goi )
@@ -4108,8 +4373,8 @@ static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
 
 struct FastLoad
 {
-       u32 address;
-       u8 *data;
+       uint32_t address;
+       uint8_t *data;
        int length;
 
 };
@@ -4137,51 +4402,22 @@ static void free_fastload(void)
 
 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       u8 *buffer;
-       u32 buf_cnt;
-       u32 image_size;
-       u32 min_address=0;
-       u32 max_address=0xffffffff;
+       uint8_t *buffer;
+       uint32_t buf_cnt;
+       uint32_t image_size;
+       uint32_t min_address=0;
+       uint32_t max_address=0xffffffff;
        int i;
-       int retval;
 
        image_t image;
 
        duration_t duration;
        char *duration_text;
 
-       if ((argc < 1)||(argc > 5))
-       {
-               return ERROR_COMMAND_SYNTAX_ERROR;
-       }
-
-       /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
-       if (argc >= 2)
-       {
-               image.base_address_set = 1;
-               image.base_address = strtoul(args[1], NULL, 0);
-       }
-       else
-       {
-               image.base_address_set = 0;
-       }
-
-
-       image.start_address_set = 0;
-
-       if (argc>=4)
-       {
-               min_address=strtoul(args[3], NULL, 0);
-       }
-       if (argc>=5)
-       {
-               max_address=strtoul(args[4], NULL, 0)+min_address;
-       }
-
-       if (min_address>max_address)
-       {
-               return ERROR_COMMAND_SYNTAX_ERROR;
-       }
+       int retval = parse_load_image_command_args(args, argc,
+                       &image, &min_address, &max_address);
+       if (ERROR_OK != retval)
+               return retval;
 
        duration_start_measure(&duration);
 
@@ -4205,7 +4441,8 @@ static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, cha
                buffer = malloc(image.sections[i].size);
                if (buffer == NULL)
                {
-                       command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
+                       command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", 
+                                                 (int)(image.sections[i].size));
                        break;
                }
 
@@ -4215,8 +4452,8 @@ static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, cha
                        break;
                }
 
-               u32 offset=0;
-               u32 length=buf_cnt;
+               uint32_t offset=0;
+               uint32_t length=buf_cnt;
 
 
                /* DANGER!!! beware of unsigned comparision here!!! */
@@ -4247,7 +4484,9 @@ static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, cha
                        fastload[i].length=length;
 
                        image_size += length;
-                       command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
+                       command_print(cmd_ctx, "%u byte written at address 0x%8.8x", 
+                                                 (unsigned int)length, 
+                                                 ((unsigned int)(image.sections[i].base_address+offset)));
                }
 
                free(buffer);
@@ -4256,7 +4495,7 @@ static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, cha
        duration_stop_measure(&duration, &duration_text);
        if (retval==ERROR_OK)
        {
-               command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
+               command_print(cmd_ctx, "Loaded %u bytes in %s", (unsigned int)image_size, duration_text);
                command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
        }
        free(duration_text);
@@ -4287,7 +4526,9 @@ static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd
        for (i=0; i<fastload_num;i++)
        {
                target_t *target = get_current_target(cmd_ctx);
-               command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
+               command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", 
+                                         (unsigned int)(fastload[i].address), 
+                                         (unsigned int)(fastload[i].length));
                if (retval==ERROR_OK)
                {
                        retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
@@ -4298,3 +4539,11 @@ static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd
        command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
        return retval;
 }
+
+
+/*
+ * Local Variables: 
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */