Encapsulate jtag_reset_config using accessors:

- Update handle_reset_config_command in tcl.c to use new helpers.
- Replace direct accesses in JTAG interface and target drivers.


git-svn-id: svn://svn.berlios.de/openocd/trunk@2161 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/target/mips_m4k.c

@@ -235,7 +235,7 @@ int mips_m4k_halt(struct target_s *target)
 
 	if (target->state == TARGET_RESET)
 	{
-		if ((jtag_reset_config & RESET_SRST_PULLS_TRST) && jtag_get_srst())
+		if ((jtag_get_reset_config() & RESET_SRST_PULLS_TRST) && jtag_get_srst())
 		{
 			LOG_ERROR("can't request a halt while in reset if nSRST pulls nTRST");
 			return ERROR_TARGET_FAILURE;
@@ -267,6 +267,7 @@ int mips_m4k_assert_reset(target_t *target)
 	LOG_DEBUG("target->state: %s",
 		Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name);
 
+	enum reset_types jtag_reset_config = jtag_get_reset_config();
 	if (!(jtag_reset_config & RESET_HAS_SRST))
 	{
 		LOG_ERROR("Can't assert SRST");