diff options
Diffstat (limited to 'src/target')
| -rw-r--r-- | src/target/etb.c | 188 | ||||
| -rw-r--r-- | src/target/etm_dummy.c | 17 | ||||
| -rw-r--r-- | src/target/image.c | 9 | ||||
| -rw-r--r-- | src/target/xscale.c | 74 | 
4 files changed, 148 insertions, 140 deletions
| diff --git a/src/target/etb.c b/src/target/etb.c index 5aa85a1f..af474e84 100644 --- a/src/target/etb.c +++ b/src/target/etb.c @@ -63,11 +63,11 @@ int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cmd, char  int etb_set_instr(etb_t *etb, u32 new_instr)  {  	jtag_device_t *device = jtag_get_device(etb->chain_pos); -	 +  	if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)  	{  		scan_field_t field; -	 +  		field.device = etb->chain_pos;  		field.num_bits = device->ir_length;  		field.out_value = calloc(CEIL(field.num_bits, 8), 1); @@ -78,12 +78,12 @@ int etb_set_instr(etb_t *etb, u32 new_instr)  		field.in_check_mask = NULL;  		field.in_handler = NULL;  		field.in_handler_priv = NULL; -				 +  		jtag_add_ir_scan(1, &field, -1); -		 +  		free(field.out_value);  	} -	 +  	return ERROR_OK;  } @@ -92,7 +92,7 @@ int etb_scann(etb_t *etb, u32 new_scan_chain)  	if(etb->cur_scan_chain != new_scan_chain)  	{  		scan_field_t field; -		 +  		field.device = etb->chain_pos;  		field.num_bits = 5;  		field.out_value = calloc(CEIL(field.num_bits, 8), 1); @@ -103,13 +103,13 @@ int etb_scann(etb_t *etb, u32 new_scan_chain)  		field.in_check_mask = NULL;  		field.in_handler = NULL;  		field.in_handler_priv = NULL; -		 +  		/* select INTEST instruction */  		etb_set_instr(etb, 0x2);  		jtag_add_dr_scan(1, &field, -1); -		 +  		etb->cur_scan_chain = new_scan_chain; -		 +  		free(field.out_value);  	} @@ -123,21 +123,21 @@ reg_cache_t* etb_build_reg_cache(etb_t *etb)  	etb_reg_t *arch_info = NULL;  	int num_regs = 9;  	int i; -	 +  	/* register a register arch-type for etm registers only once */  	if (etb_reg_arch_type == -1)  		etb_reg_arch_type = register_reg_arch_type(etb_get_reg, etb_set_reg_w_exec); -	 +  	/* the actual registers are kept in two arrays */  	reg_list = calloc(num_regs, sizeof(reg_t));  	arch_info = calloc(num_regs, sizeof(etb_reg_t)); -	 +  	/* fill in values for the reg cache */  	reg_cache->name = "etb registers";  	reg_cache->next = NULL;  	reg_cache->reg_list = reg_list;  	reg_cache->num_regs = num_regs; -	 +  	/* set up registers */  	for (i = 0; i < num_regs; i++)  	{ @@ -154,7 +154,7 @@ reg_cache_t* etb_build_reg_cache(etb_t *etb)  		arch_info[i].addr = i;  		arch_info[i].etb = etb;  	} -	 +  	return reg_cache;  } @@ -166,13 +166,13 @@ int etb_get_reg(reg_t *reg)  		LOG_ERROR("BUG: error scheduling etm register read");  		return retval;  	} -	 +  	if ((retval = jtag_execute_queue()) != ERROR_OK)  	{  		LOG_ERROR("register read failed");  		return retval;  	} -	 +  	return ERROR_OK;  } @@ -180,11 +180,11 @@ int etb_read_ram(etb_t *etb, u32 *data, int num_frames)  {  	scan_field_t fields[3];  	int i; -	 +  	jtag_add_end_state(TAP_RTI);  	etb_scann(etb, 0x0);  	etb_set_instr(etb, 0xc); -	 +  	fields[0].device = etb->chain_pos;  	fields[0].num_bits = 32;  	fields[0].out_value = NULL; @@ -194,7 +194,7 @@ int etb_read_ram(etb_t *etb, u32 *data, int num_frames)  	fields[0].in_check_mask = NULL;  	fields[0].in_handler = NULL;  	fields[0].in_handler_priv = NULL; -	 +  	fields[1].device = etb->chain_pos;  	fields[1].num_bits = 7;  	fields[1].out_value = malloc(1); @@ -216,31 +216,31 @@ int etb_read_ram(etb_t *etb, u32 *data, int num_frames)  	fields[2].in_check_mask = NULL;  	fields[2].in_handler = NULL;  	fields[2].in_handler_priv = NULL; -	 +  	jtag_add_dr_scan(3, fields, -1);  	fields[0].in_handler = buf_to_u32_handler; -	 +  	for (i = 0; i < num_frames; i++)  	{  		/* ensure nR/W reamins set to read */  		buf_set_u32(fields[2].out_value, 0, 1, 0); -		 +  		/* address remains set to 0x4 (RAM data) until we read the last frame */  		if (i < num_frames - 1)  			buf_set_u32(fields[1].out_value, 0, 7, 4);  		else  			buf_set_u32(fields[1].out_value, 0, 7, 0); -		 +  		fields[0].in_handler_priv = &data[i];  		jtag_add_dr_scan(3, fields, -1);  	} -	 +  	jtag_execute_queue(); -	 +  	free(fields[1].out_value);  	free(fields[2].out_value); -	 +  	return ERROR_OK;  } @@ -249,13 +249,13 @@ int etb_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask)  	etb_reg_t *etb_reg = reg->arch_info;  	u8 reg_addr = etb_reg->addr & 0x7f;  	scan_field_t fields[3]; -	 +  	LOG_DEBUG("%i", etb_reg->addr);  	jtag_add_end_state(TAP_RTI);  	etb_scann(etb_reg->etb, 0x0);  	etb_set_instr(etb_reg->etb, 0xc); -	 +  	fields[0].device = etb_reg->etb->chain_pos;  	fields[0].num_bits = 32;  	fields[0].out_value = reg->value; @@ -265,7 +265,7 @@ int etb_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask)  	fields[0].in_check_mask = NULL;  	fields[0].in_handler = NULL;  	fields[0].in_handler_priv = NULL; -	 +  	fields[1].device = etb_reg->etb->chain_pos;  	fields[1].num_bits = 7;  	fields[1].out_value = malloc(1); @@ -287,28 +287,28 @@ int etb_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask)  	fields[2].in_check_mask = NULL;  	fields[2].in_handler = NULL;  	fields[2].in_handler_priv = NULL; -	 +  	jtag_add_dr_scan(3, fields, -1); -	 +  	/* read the identification register in the second run, to make sure we  	 * don't read the ETB data register twice, skipping every second entry  	 */  	buf_set_u32(fields[1].out_value, 0, 7, 0x0);  	fields[0].in_value = reg->value; -	 +  	jtag_set_check_value(fields+0, check_value, check_mask, NULL); -	 +  	jtag_add_dr_scan(3, fields, -1);  	free(fields[1].out_value);  	free(fields[2].out_value); -	 +  	return ERROR_OK;  }  int etb_read_reg(reg_t *reg)  { -	return etb_read_reg_w_check(reg, NULL, NULL);	 +	return etb_read_reg_w_check(reg, NULL, NULL);  }  int etb_set_reg(reg_t *reg, u32 value) @@ -319,11 +319,11 @@ int etb_set_reg(reg_t *reg, u32 value)  		LOG_ERROR("BUG: error scheduling etm register write");  		return retval;  	} -	 +  	buf_set_u32(reg->value, 0, reg->size, value);  	reg->valid = 1;  	reg->dirty = 0; -	 +  	return ERROR_OK;  } @@ -331,7 +331,7 @@ int etb_set_reg_w_exec(reg_t *reg, u8 *buf)  {  	int retval;  	etb_set_reg(reg, buf_get_u32(buf, 0, reg->size)); -	 +  	if ((retval = jtag_execute_queue()) != ERROR_OK)  	{  		LOG_ERROR("register write failed"); @@ -345,13 +345,13 @@ int etb_write_reg(reg_t *reg, u32 value)  	etb_reg_t *etb_reg = reg->arch_info;  	u8 reg_addr = etb_reg->addr & 0x7f;  	scan_field_t fields[3]; -	 +  	LOG_DEBUG("%i: 0x%8.8x", etb_reg->addr, value); -	 +  	jtag_add_end_state(TAP_RTI);  	etb_scann(etb_reg->etb, 0x0);  	etb_set_instr(etb_reg->etb, 0xc); -	 +  	fields[0].device = etb_reg->etb->chain_pos;  	fields[0].num_bits = 32;  	fields[0].out_value = malloc(4); @@ -362,7 +362,7 @@ int etb_write_reg(reg_t *reg, u32 value)  	fields[0].in_check_mask = NULL;  	fields[0].in_handler = NULL;  	fields[0].in_handler_priv = NULL; -	 +  	fields[1].device = etb_reg->etb->chain_pos;  	fields[1].num_bits = 7;  	fields[1].out_value = malloc(1); @@ -384,13 +384,13 @@ int etb_write_reg(reg_t *reg, u32 value)  	fields[2].in_check_mask = NULL;  	fields[2].in_handler = NULL;  	fields[2].in_handler_priv = NULL; -	 +  	jtag_add_dr_scan(3, fields, -1); -	 +  	free(fields[0].out_value);  	free(fields[1].out_value);  	free(fields[2].out_value); -	 +  	return ERROR_OK;  } @@ -402,9 +402,9 @@ int etb_store_reg(reg_t *reg)  int etb_register_commands(struct command_context_s *cmd_ctx)  {  	command_t *etb_cmd; -	 +  	etb_cmd = register_command(cmd_ctx, NULL, "etb", NULL, COMMAND_ANY, "Embedded Trace Buffer"); -	 +  	register_command(cmd_ctx, etb_cmd, "config", handle_etb_config_command, COMMAND_CONFIG, NULL);  	return ERROR_OK; @@ -416,41 +416,40 @@ int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cmd, char  	jtag_device_t *jtag_device;  	armv4_5_common_t *armv4_5;  	arm7_9_common_t *arm7_9; -	 +  	if (argc != 2)  	{ -		LOG_ERROR("incomplete 'etb config <target> <chain_pos>' command"); -		exit(-1); +		return ERROR_COMMAND_SYNTAX_ERROR;  	} -	 +  	target = get_target_by_num(strtoul(args[0], NULL, 0)); -	 +  	if (!target)  	{  		LOG_ERROR("target number '%s' not defined", args[0]); -		exit(-1); +		return ERROR_FAIL;  	} -	 +  	if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)  	{  		command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target"); -		return ERROR_OK; +		return ERROR_FAIL;  	} -	 +  	jtag_device = jtag_get_device(strtoul(args[1], NULL, 0)); -	 +  	if (!jtag_device)  	{  		LOG_ERROR("jtag device number '%s' not defined", args[1]); -		exit(-1); +		return ERROR_FAIL;  	} -	 +  	if (arm7_9->etm_ctx)  	{  		etb_t *etb = malloc(sizeof(etb_t)); -		 +  		arm7_9->etm_ctx->capture_driver_priv = etb; -		 +  		etb->chain_pos = strtoul(args[1], NULL, 0);  		etb->cur_scan_chain = -1;  		etb->reg_cache = NULL; @@ -460,6 +459,7 @@ int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cmd, char  	else  	{  		LOG_ERROR("target has no ETM defined, ETB left unconfigured"); +		return ERROR_FAIL;  	}  	return ERROR_OK; @@ -468,9 +468,9 @@ int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cmd, char  int etb_init(etm_context_t *etm_ctx)  {  	etb_t *etb = etm_ctx->capture_driver_priv; -	 +  	etb->etm_ctx = etm_ctx; -	 +  	/* identify ETB RAM depth and width */  	etb_read_reg(&etb->reg_cache->reg_list[ETB_RAM_DEPTH]);  	etb_read_reg(&etb->reg_cache->reg_list[ETB_RAM_WIDTH]); @@ -478,16 +478,16 @@ int etb_init(etm_context_t *etm_ctx)  	etb->ram_depth = buf_get_u32(etb->reg_cache->reg_list[ETB_RAM_DEPTH].value, 0, 32);  	etb->ram_width = buf_get_u32(etb->reg_cache->reg_list[ETB_RAM_WIDTH].value, 0, 32); -	 +  	return ERROR_OK;  }  trace_status_t etb_status(etm_context_t *etm_ctx)  {  	etb_t *etb = etm_ctx->capture_driver_priv; -	 +  	etb->etm_ctx = etm_ctx; -	 +  	/* if tracing is currently idle, return this information */  	if (etm_ctx->capture_status == TRACE_IDLE)  	{ @@ -497,10 +497,10 @@ trace_status_t etb_status(etm_context_t *etm_ctx)  	{  		reg_t *etb_status_reg = &etb->reg_cache->reg_list[ETB_STATUS];  		int etb_timeout = 100; -		 +  		/* trace is running, check the ETB status flags */  		etb_get_reg(etb_status_reg); -	 +  		/* check Full bit to identify an overflow */  		if (buf_get_u32(etb_status_reg->value, 0, 1) == 1)  			etm_ctx->capture_status |= TRACE_OVERFLOWED; @@ -517,23 +517,23 @@ trace_status_t etb_status(etm_context_t *etm_ctx)  				/* wait for data formatter idle */  				etb_get_reg(etb_status_reg);  			} -			 +  			if (etb_timeout == 0)  			{  				LOG_ERROR("AcqComp set but DFEmpty won't go high, ETB status: 0x%x",  					buf_get_u32(etb_status_reg->value, 0, etb_status_reg->size));  			} -			 +  			if (!(etm_ctx->capture_status && TRACE_TRIGGERED))  			{  				LOG_ERROR("trace completed, but no trigger condition detected");  			} -			 +  			etm_ctx->capture_status &= ~TRACE_RUNNING;  			etm_ctx->capture_status |= TRACE_COMPLETED;  		}  	} -	 +  	return etm_ctx->capture_status;  } @@ -544,11 +544,11 @@ int etb_read_trace(etm_context_t *etm_ctx)  	int num_frames = etb->ram_depth;  	u32 *trace_data = NULL;  	int i, j; -	 +  	etb_read_reg(&etb->reg_cache->reg_list[ETB_STATUS]);  	etb_read_reg(&etb->reg_cache->reg_list[ETB_RAM_WRITE_POINTER]);  	jtag_execute_queue(); -	 +  	/* check if we overflowed, and adjust first frame of the trace accordingly  	 * if we didn't overflow, read only up to the frame that would be written next,  	 * i.e. don't read invalid entries @@ -561,10 +561,10 @@ int etb_read_trace(etm_context_t *etm_ctx)  	{  		num_frames = buf_get_u32(etb->reg_cache->reg_list[ETB_RAM_WRITE_POINTER].value, 0, 32);  	} -	 +  	etb_write_reg(&etb->reg_cache->reg_list[ETB_RAM_READ_POINTER], first_frame); -	/* read data into temporary array for unpacking */	 +	/* read data into temporary array for unpacking */  	trace_data = malloc(sizeof(u32) * num_frames);  	etb_read_ram(etb, trace_data, num_frames); @@ -572,7 +572,7 @@ int etb_read_trace(etm_context_t *etm_ctx)  	{  		free(etm_ctx->trace_data);  	} -	 +  	if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_4BIT)  		etm_ctx->trace_depth = num_frames * 3;  	else if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_8BIT) @@ -581,7 +581,7 @@ int etb_read_trace(etm_context_t *etm_ctx)  		etm_ctx->trace_depth = num_frames;  	etm_ctx->trace_data = malloc(sizeof(etmv1_trace_data_t) * etm_ctx->trace_depth); -	 +  	for (i = 0, j = 0; i < num_frames; i++)  	{  		if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_4BIT) @@ -599,7 +599,7 @@ int etb_read_trace(etm_context_t *etm_ctx)  				etm_ctx->trace_data[j].pipestat = etm_ctx->trace_data[j].packet & 0x7;  				etm_ctx->trace_data[j].flags |= ETMV1_TRIGGER_CYCLE;  			} -			 +  			/* trace word j+1 */  			etm_ctx->trace_data[j+1].pipestat = (trace_data[i] & 0x100) >> 8;  			etm_ctx->trace_data[j+1].packet = (trace_data[i] & 0x7800) >> 11; @@ -613,7 +613,7 @@ int etb_read_trace(etm_context_t *etm_ctx)  				etm_ctx->trace_data[j+1].pipestat = etm_ctx->trace_data[j+1].packet & 0x7;  				etm_ctx->trace_data[j+1].flags |= ETMV1_TRIGGER_CYCLE;  			} -			 +  			/* trace word j+2 */  			etm_ctx->trace_data[j+2].pipestat = (trace_data[i] & 0x10000) >> 16;  			etm_ctx->trace_data[j+2].packet = (trace_data[i] & 0x780000) >> 19; @@ -627,7 +627,7 @@ int etb_read_trace(etm_context_t *etm_ctx)  				etm_ctx->trace_data[j+2].pipestat = etm_ctx->trace_data[j+2].packet & 0x7;  				etm_ctx->trace_data[j+2].flags |= ETMV1_TRIGGER_CYCLE;  			} -			 +  			j += 3;  		}  		else if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_8BIT) @@ -659,7 +659,7 @@ int etb_read_trace(etm_context_t *etm_ctx)  				etm_ctx->trace_data[j+1].pipestat = etm_ctx->trace_data[j+1].packet & 0x7;  				etm_ctx->trace_data[j+1].flags |= ETMV1_TRIGGER_CYCLE;  			} -			 +  			j += 2;  		}  		else @@ -677,13 +677,13 @@ int etb_read_trace(etm_context_t *etm_ctx)  				etm_ctx->trace_data[j].pipestat = etm_ctx->trace_data[j].packet & 0x7;  				etm_ctx->trace_data[j].flags |= ETMV1_TRIGGER_CYCLE;  			} -			 +  			j += 1;  		}  	} -	 +  	free(trace_data); -	 +  	return ERROR_OK;  } @@ -702,21 +702,21 @@ int etb_start_capture(etm_context_t *etm_ctx)  		}  		etb_ctrl_value |= 0x2;  	} -	 +  	if ((etm_ctx->portmode & ETM_PORT_MODE_MASK) == ETM_PORT_MUXED)  		return ERROR_ETM_PORTMODE_NOT_SUPPORTED; -	 +  	trigger_count = (etb->ram_depth * etm_ctx->trigger_percent) / 100; -	 +  	etb_write_reg(&etb->reg_cache->reg_list[ETB_TRIGGER_COUNTER], trigger_count);  	etb_write_reg(&etb->reg_cache->reg_list[ETB_RAM_WRITE_POINTER], 0x0);  	etb_write_reg(&etb->reg_cache->reg_list[ETB_CTRL], etb_ctrl_value);  	jtag_execute_queue(); -	 +  	/* we're starting a new trace, initialize capture status */  	etm_ctx->capture_status = TRACE_RUNNING; -	 -	return ERROR_OK;  + +	return ERROR_OK;  }  int etb_stop_capture(etm_context_t *etm_ctx) @@ -726,10 +726,10 @@ int etb_stop_capture(etm_context_t *etm_ctx)  	etb_write_reg(etb_ctrl_reg, 0x0);  	jtag_execute_queue(); -	 -	/* trace stopped, just clear running flag, but preserve others */  + +	/* trace stopped, just clear running flag, but preserve others */  	etm_ctx->capture_status &= ~TRACE_RUNNING; -	 +  	return ERROR_OK;  } diff --git a/src/target/etm_dummy.c b/src/target/etm_dummy.c index 881cd873..9acf38fe 100644 --- a/src/target/etm_dummy.c +++ b/src/target/etm_dummy.c @@ -41,21 +41,21 @@ int handle_etm_dummy_config_command(struct command_context_s *cmd_ctx, char *cmd  	target_t *target;  	armv4_5_common_t *armv4_5;  	arm7_9_common_t *arm7_9; -	 +  	target = get_target_by_num(strtoul(args[0], NULL, 0)); -	 +  	if (!target)  	{  		LOG_ERROR("target number '%s' not defined", args[0]); -		exit(-1); +		return ERROR_FAIL;  	} -	 +  	if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)  	{  		command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target"); -		return ERROR_OK; +		return ERROR_FAIL;  	} -	 +  	if (arm7_9->etm_ctx)  	{  		arm7_9->etm_ctx->capture_driver_priv = NULL; @@ -63,6 +63,7 @@ int handle_etm_dummy_config_command(struct command_context_s *cmd_ctx, char *cmd  	else  	{  		LOG_ERROR("target has no ETM defined, ETM dummy left unconfigured"); +		return ERROR_FAIL;  	}  	return ERROR_OK; @@ -71,9 +72,9 @@ int handle_etm_dummy_config_command(struct command_context_s *cmd_ctx, char *cmd  int etm_dummy_register_commands(struct command_context_s *cmd_ctx)  {  	command_t *etm_dummy_cmd; -	 +  	etm_dummy_cmd = register_command(cmd_ctx, NULL, "etm_dummy", NULL, COMMAND_ANY, "Dummy ETM capture driver"); -	 +  	register_command(cmd_ctx, etm_dummy_cmd, "config", handle_etm_dummy_config_command, COMMAND_CONFIG, NULL);  	return ERROR_OK; diff --git a/src/target/image.c b/src/target/image.c index a8753ac9..e7b7067d 100644 --- a/src/target/image.c +++ b/src/target/image.c @@ -718,6 +718,13 @@ int image_open(image_t *image, char *url, char *type_string)  	}  	else if (image->type == IMAGE_MEMORY)  	{ +		target_t *target = get_target_by_num(strtoul(url, NULL, 0)); +		if (target==NULL) +		{ +			LOG_ERROR("Target '%s' does not exist", url); +			return ERROR_FAIL; +		} +  		image_memory_t *image_memory;  		image->num_sections = 1; @@ -728,7 +735,7 @@ int image_open(image_t *image, char *url, char *type_string)  		image_memory = image->type_private = malloc(sizeof(image_memory_t)); -		image_memory->target = get_target_by_num(strtoul(url, NULL, 0));; +		image_memory->target = target;  		image_memory->cache = NULL;  		image_memory->cache_address = 0x0;  	} diff --git a/src/target/xscale.c b/src/target/xscale.c index 0290c9ec..90c89518 100644 --- a/src/target/xscale.c +++ b/src/target/xscale.c @@ -115,7 +115,7 @@ target_type_t xscale_target =  	.bulk_write_memory = xscale_bulk_write_memory,  	.checksum_memory = arm7_9_checksum_memory,  	.blank_check_memory = arm7_9_blank_check_memory, -	 +  	.run_algorithm = armv4_5_run_algorithm,  	.add_breakpoint = xscale_add_breakpoint, @@ -127,7 +127,7 @@ target_type_t xscale_target =  	.target_create = xscale_target_create,  	.init_target = xscale_init_target,  	.quit = xscale_quit, -	 +  	.virt2phys = xscale_virt2phys,  	.mmu = xscale_mmu  }; @@ -312,7 +312,7 @@ int xscale_receive(target_t *target, u32 *buffer, int num_words)  {  	if (num_words==0)  		return ERROR_INVALID_ARGUMENTS; -	 +  	int retval=ERROR_OK;  	armv4_5_common_t *armv4_5 = target->arch_info;  	xscale_common_t *xscale = armv4_5->arch_info; @@ -412,7 +412,7 @@ int xscale_receive(target_t *target, u32 *buffer, int num_words)  				break;  			}  		} -		 +  		words_done += words_scheduled;  	} @@ -455,7 +455,7 @@ int xscale_read_tx(target_t *target, int consume)  	noconsume_path[3] = TAP_PD;  	noconsume_path[4] = TAP_E2D;  	noconsume_path[5] = TAP_SD; -	 +  	fields[0].device = xscale->jtag_info.chain_pos;  	fields[0].num_bits = 3;  	fields[0].out_value = NULL; @@ -524,7 +524,7 @@ int xscale_read_tx(target_t *target, int consume)  		{  			keep_alive();  		} -	}  +	}  	done:  	if (!(field0_in & 1)) @@ -613,7 +613,7 @@ int xscale_write_rx(target_t *target)  		}  	}  	done: -	 +  	/* set rx_valid */  	field2 = 0x1;  	jtag_add_dr_scan(3, fields, TAP_RTI); @@ -638,7 +638,7 @@ int xscale_send(target_t *target, u8 *buffer, int count, int size)  	int retval;  	int done_count = 0; -	 +  	jtag_add_end_state(TAP_RTI);  	xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgrx); @@ -678,7 +678,7 @@ int xscale_send(target_t *target, u8 *buffer, int count, int size)  			LOG_ERROR("BUG: size neither 4, 2 nor 1");  			exit(-1);  		} -		jtag_add_dr_out(xscale->jtag_info.chain_pos,  +		jtag_add_dr_out(xscale->jtag_info.chain_pos,  				3,  				bits,  				t, @@ -1021,7 +1021,7 @@ int xscale_poll(target_t *target)  			/* here we "lie" so GDB won't get stuck and a reset can be perfomed */  			target->state = TARGET_HALTED;  		} -		 +  		/* debug_entry could have overwritten target state (i.e. immediate resume)  		 * don't signal event handlers in that case  		 */ @@ -1054,7 +1054,7 @@ int xscale_debug_entry(target_t *target)  	xscale->external_debug_break = 0;  	if ((retval=xscale_read_dcsr(target))!=ERROR_OK)  		return retval; -	 +  	/* get r0, pc, r1 to r7 and cpsr */  	if ((retval=xscale_receive(target, buffer, 10))!=ERROR_OK)  		return retval; @@ -1099,10 +1099,10 @@ int xscale_debug_entry(target_t *target)  	else  		armv4_5->core_state = ARMV4_5_STATE_ARM; -	 +  	if (armv4_5_mode_to_number(armv4_5->core_mode)==-1)  		return ERROR_FAIL; -	 +  	/* get banked registers, r8 to r14, and spsr if not in USR/SYS mode */  	if ((armv4_5->core_mode != ARMV4_5_MODE_USR) && (armv4_5->core_mode != ARMV4_5_MODE_SYS))  	{ @@ -1225,7 +1225,7 @@ int xscale_halt(target_t *target)  	armv4_5_common_t *armv4_5 = target->arch_info;  	xscale_common_t *xscale = armv4_5->arch_info; -	LOG_DEBUG("target->state: %s",  +	LOG_DEBUG("target->state: %s",  		  Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name);  	if (target->state == TARGET_HALTED) @@ -1590,7 +1590,7 @@ int xscale_assert_reset(target_t *target)  	armv4_5_common_t *armv4_5 = target->arch_info;  	xscale_common_t *xscale = armv4_5->arch_info; -	LOG_DEBUG("target->state: %s",  +	LOG_DEBUG("target->state: %s",  		  Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name);  	/* select DCSR instruction (set endstate to R-T-I to ensure we don't @@ -1706,7 +1706,7 @@ int xscale_deassert_reset(target_t *target)  			if ((retval = fileio_read(&debug_handler, 32, buffer, &buf_cnt)) != ERROR_OK)  			{ -				 +  			}  			for (i = 0; i < buf_cnt; i += 4) @@ -3147,7 +3147,7 @@ int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, int chain_p  	xscale->armv4_5_mmu.enable_mmu_caches = xscale_enable_mmu_caches;  	xscale->armv4_5_mmu.has_tiny_pages = 1;  	xscale->armv4_5_mmu.mmu_enabled = 0; -	 +  	return ERROR_OK;  } @@ -3179,12 +3179,12 @@ int xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, char  	if ((target = get_target_by_num(strtoul(args[0], NULL, 0))) == NULL)  	{  		LOG_ERROR("no target '%s' configured", args[0]); -		return ERROR_OK; +		return ERROR_FAIL;  	}  	if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK)  	{ -		return ERROR_OK; +		return ERROR_FAIL;  	}  	handler_address = strtoul(args[1], NULL, 0); @@ -3197,6 +3197,7 @@ int xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, char  	else  	{  		LOG_ERROR("xscale debug_handler <address> must be between 0x800 and 0x1fef800 or between 0xfe000800 and 0xfffff800"); +		return ERROR_FAIL;  	}  	return ERROR_OK; @@ -3212,19 +3213,18 @@ int xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx,  	if (argc < 2)  	{ -		LOG_ERROR("'xscale cache_clean_address <target#> <address>' command takes two required operands"); -		return ERROR_OK; +		return ERROR_COMMAND_SYNTAX_ERROR;  	}  	if ((target = get_target_by_num(strtoul(args[0], NULL, 0))) == NULL)  	{  		LOG_ERROR("no target '%s' configured", args[0]); -		return ERROR_OK; +		return ERROR_FAIL;  	}  	if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK)  	{ -		return ERROR_OK; +		return ERROR_FAIL;  	}  	cache_clean_address = strtoul(args[1], NULL, 0); @@ -3264,8 +3264,8 @@ static int xscale_virt2phys(struct target_s *target, u32 virtual, u32 *physical)  	u32 cb;  	int domain;  	u32 ap; -	 -	 + +  	if ((retval = xscale_get_arch_pointers(target, &armv4_5, &xscale)) != ERROR_OK)  	{  		return retval; @@ -3283,7 +3283,7 @@ static int xscale_mmu(struct target_s *target, int *enabled)  {  	armv4_5_common_t *armv4_5 = target->arch_info;  	xscale_common_t *xscale = armv4_5->arch_info; -	 +  	if (target->state != TARGET_HALTED)  	{  		LOG_ERROR("Target not halted"); @@ -3648,7 +3648,7 @@ int xscale_handle_cp15(command_context_t *cmd_ctx, char *cmd, char **args, int a  			break;  		case 2:  			reg_no = XSCALE_TTB; -			break;  +			break;  		case 3:  			reg_no = XSCALE_DAC;  			break; @@ -3669,39 +3669,39 @@ int xscale_handle_cp15(command_context_t *cmd_ctx, char *cmd, char **args, int a  			return ERROR_INVALID_ARGUMENTS;  		}  		reg = &xscale->reg_cache->reg_list[reg_no]; -		 +  	}  	if(argc == 1)  	{  		u32 value; -		 +  		/* read cp15 control register */  		xscale_get_reg(reg);  		value = buf_get_u32(reg->value, 0, 32);  		command_print(cmd_ctx, "%s (/%i): 0x%x", reg->name, reg->size, value);  	}  	else if(argc == 2) -	{    +	{  		u32 value = strtoul(args[1], NULL, 0); -		 +  		/* send CP write request (command 0x41) */  		xscale_send_u32(target, 0x41); -		 +  		/* send CP register number */  		xscale_send_u32(target, reg_no); -		 +  		/* send CP register value */  		xscale_send_u32(target, value); -		 +  		/* execute cpwait to ensure outstanding operations complete */  		xscale_send_u32(target, 0x53);  	}  	else  	{ -		command_print(cmd_ctx, "usage: cp15 [register]<, [value]>");	 +		command_print(cmd_ctx, "usage: cp15 [register]<, [value]>");  	} -	 +  	return ERROR_OK;  } @@ -3729,7 +3729,7 @@ int xscale_register_commands(struct command_context_s *cmd_ctx)  		COMMAND_EXEC, "load image from <file> [base address]");  	register_command(cmd_ctx, xscale_cmd, "cp15", xscale_handle_cp15, COMMAND_EXEC, "access coproc 15 <register> [value]"); -	 +  	armv4_5_register_commands(cmd_ctx);  	return ERROR_OK; | 
