From 9e6cec0dd3301395345777cfe2617559a868f2a9 Mon Sep 17 00:00:00 2001
From: mifi <mifi@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Sun, 9 Dec 2007 15:36:21 +0000
Subject: [PATCH] - added patch to display device information as INFO too -
 added patch which fixes a crash upon flash write error - added patch which
 will improve the reset handling when   SRST is tied to TRST

(thanks to Oyvind Harboe for these patches)

git-svn-id: svn://svn.berlios.de/openocd/trunk@218 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
 src/flash/flash.c   | 16 +++++++++++++---
 src/jtag/jtag.c     |  2 +-
 src/target/target.c | 27 ++++++++++++++++++++++-----
 3 files changed, 36 insertions(+), 9 deletions(-)

diff --git a/src/flash/flash.c b/src/flash/flash.c
index 03ee46f34..390e37ad5 100644
--- a/src/flash/flash.c
+++ b/src/flash/flash.c
@@ -570,10 +570,19 @@ int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cm
 	
 	failed = malloc(sizeof(int) * image.num_sections);
 
-	if ((retval = flash_write(target, &image, &written, &error_str, failed, auto_erase)) != ERROR_OK)
+	error_str=NULL;
+	retval = flash_write(target, &image, &written, &error_str, failed, auto_erase);
+	
+	if (retval != ERROR_OK)
 	{
-		command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
-		free(error_str);
+		if (error_str)
+		{
+			command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
+			free(error_str);
+		}
+		image_close(&image);
+		free(failed);
+		return retval;
 	}
 	
 	for (i = 0; i < image.num_sections; i++)
@@ -938,3 +947,4 @@ int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd
 	return ERROR_OK;
 }
 
+
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index 5a390070b..09cffef79 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -1287,7 +1287,7 @@ int jtag_examine_chain()
 			part = (idcode & 0xffff000) >> 12;
 			version = (idcode & 0xf0000000) >> 28;
 
-			DEBUG("JTAG device found: 0x%8.8x (Manufacturer: 0x%3.3x, Part: 0x%4.4x, Version: 0x%1.1x", 
+			INFO("JTAG device found: 0x%8.8x (Manufacturer: 0x%3.3x, Part: 0x%4.4x, Version: 0x%1.1x)", 
 				idcode, manufacturer, part, version);
 			
 			bit_count += 32;
diff --git a/src/target/target.c b/src/target/target.c
index f9d957d69..0874010c0 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -313,6 +313,23 @@ int target_process_reset(struct command_context_s *cmd_ctx)
 	while (target)
 	{
 		target->type->deassert_reset(target);
+
+		switch (target->reset_mode)
+		{
+			case RESET_INIT:
+			case RESET_HALT:
+				// If we're already halted, then this is harmless(reducing # of execution paths here)
+				// If nSRST & nTRST are tied together then the halt during reset failed(logged) and
+				// we use this as fallback(there is no other output to tell the user that reset halt 
+				// didn't work).
+				target->type->poll(target);
+				target->type->halt(target);
+				break;
+			default:
+				break;
+		}
+		
+		
 		target = target->next;
 	}
 	jtag_execute_queue();
@@ -1047,7 +1064,7 @@ int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **a
 				(*last_target_p)->trace_info->trace_history_overflowed = 0;
 				
 				(*last_target_p)->dbgmsg = NULL;
-				
+								
 				(*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
 				
 				found = 1;
@@ -1188,8 +1205,7 @@ int handle_target(void *priv)
 			if (target_continous_poll)
 				if ((retval = target->type->poll(target)) < 0)
 				{
-					ERROR("couldn't poll target, exiting");
-					exit(-1);
+					ERROR("couldn't poll target. It's due for a reset.");
 				}
 		}
 	
@@ -1860,7 +1876,7 @@ int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, ch
 	if (!target)
 	{
 		ERROR("no target selected");
-		return ERROR_OK;
+	return ERROR_OK;
 	}
 	
 	duration_start_measure(&duration);
@@ -1875,7 +1891,7 @@ int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, ch
 		image.base_address_set = 0;
 		image.base_address = 0x0;
 	}
-	
+
 	image.start_address_set = 0;
 
 	if (image_open(&image, args[0], (argc == 3) ? args[2] : NULL) != ERROR_OK)
@@ -2085,3 +2101,4 @@ int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args
 	return ERROR_OK;
 }
 
+