X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm_jtag.h;h=d22deae16b5f14b0bab7209459ffaa2f33f72c31;hp=d9e7f2aa9bf0ba4c539841a81827aa057cf0846d;hb=374127301ec1d72033b9d573b72c7abdfd61990d;hpb=a502676df7e6e99c29f207003ec02a128012d325

diff --git a/src/target/arm_jtag.h b/src/target/arm_jtag.h
index d9e7f2aa9b..d22deae16b 100644
--- a/src/target/arm_jtag.h
+++ b/src/target/arm_jtag.h
@@ -2,7 +2,7 @@
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
- *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   Copyright (C) 2007-2010 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -20,13 +20,13 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
 #ifndef ARM_JTAG
 #define ARM_JTAG
 
-#include "jtag.h"
+#include <jtag/jtag.h>
 
-struct arm_jtag
-{
+struct arm_jtag {
 	struct jtag_tap *tap;
 
 	uint32_t scann_size;
@@ -36,24 +36,49 @@ struct arm_jtag
 	uint32_t intest_instr;
 };
 
-int arm_jtag_set_instr(struct arm_jtag *jtag_info,
-		uint32_t new_instr, void *verify_capture);
-int arm_jtag_scann(struct arm_jtag *jtag_info, uint32_t new_scan_chain);
+int arm_jtag_set_instr_inner(struct arm_jtag *jtag_info, uint32_t new_instr,
+		void *no_verify_capture,
+		tap_state_t end_state);
+
+static inline int arm_jtag_set_instr(struct arm_jtag *jtag_info,
+		uint32_t new_instr, void *no_verify_capture, tap_state_t end_state)
+{
+	/* inline most common code path */
+	struct jtag_tap *tap;
+	tap = jtag_info->tap;
+	assert(tap != NULL);
+
+	if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
+		return arm_jtag_set_instr_inner(jtag_info, new_instr, no_verify_capture, end_state);
+
+	return ERROR_OK;
+
+}
+
+int arm_jtag_scann_inner(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state);
+static inline int arm_jtag_scann(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state)
+{
+	/* inline most common code path */
+	int retval = ERROR_OK;
+	if (jtag_info->cur_scan_chain != new_scan_chain)
+		return arm_jtag_scann_inner(jtag_info, new_scan_chain, end_state);
+
+	return retval;
+}
+
 int arm_jtag_setup_connection(struct arm_jtag *jtag_info);
 
 /* use this as a static so we can inline it in -O3 and refer to it via a pointer  */
-static __inline__ void arm7flip32(jtag_callback_data_t arg)
+static inline void arm7flip32(jtag_callback_data_t arg)
 {
-  uint8_t *in = (uint8_t *)arg;
-  *((uint32_t *)in) = flip_u32(le_to_h_u32(in), 32);
+	uint8_t *in = (uint8_t *)arg;
+	*((uint32_t *)arg) = flip_u32(le_to_h_u32(in), 32);
 }
 
-static __inline__ void arm_le_to_h_u32(jtag_callback_data_t arg)
+static inline void arm_le_to_h_u32(jtag_callback_data_t arg)
 {
-  uint8_t *in = (uint8_t *)arg;
-  *((uint32_t *)in) = le_to_h_u32(in);
+	uint8_t *in = (uint8_t *)arg;
+	*((uint32_t *)arg) = le_to_h_u32(in);
 }
 
-
 #endif /* ARM_JTAG */
-