Michael Bruck:

[openocd.git] / src / jtag / jtag.h

diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index 0c9c3675a8587d78314398456fd2f1ce3c3f205e..31ed51e4bf162defcc5697d08241a34e4b51221b 100644 (file)
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -22,6 +22,7 @@
 
 #include "types.h"
 #include "binarybuffer.h"
+#include "log.h"
 
 #include "command.h"
 
@@ -275,6 +276,8 @@ extern int interface_jtag_add_statemove(enum tap_state endstate);
 /* A list of unambigious single clock state transitions, not
  * all drivers can support this, but it is required for e.g.
  * XScale and Xilinx support
+ * 
+ * Note! TAP_TLR must not be used in the path!
  */
 extern int jtag_add_pathmove(int num_states, enum tap_state *path);
 extern int interface_jtag_add_pathmove(int num_states, enum tap_state *path);
@@ -284,9 +287,12 @@ extern int interface_jtag_add_runtest(int num_cycles, enum tap_state endstate);
 extern int jtag_add_reset(int trst, int srst);
 extern int interface_jtag_add_reset(int trst, int srst);
 extern int jtag_add_end_state(enum tap_state endstate);
-extern int inteface_jtag_add_end_state(enum tap_state endstate);
+extern int interface_jtag_add_end_state(enum tap_state endstate);
 extern int jtag_add_sleep(u32 us);
 extern int interface_jtag_add_sleep(u32 us);
+
+
+
 /*
  * For software FIFO implementations, the queued commands can be executed 
  * during this call or earlier. A sw queue might decide to push out
@@ -338,4 +344,29 @@ extern int jtag_verify_capture_ir;
 #define ERROR_JTAG_DEVICE_ERROR                        (-107)
 
 
+/* Here a #define MINIDRIVER() and an inline version of hw fifo interface_jtag_add_shift can be defined */
+
+#ifndef MINIDRIVER 
+extern int interface_jtag_add_shift(const enum tap_state shift_state, const enum tap_state end_state, int bits, u32 value);
+#endif
+
+/* Enter the shift_state and cycle "bits" times out of that state.
+ * 
+ * So if the end_state!=shift_state, then the transition from shift_state to 
+ * end_state counts as a transition out of shift_state.
+ * 
+ * Legal shift states TAP_SD and TAP_SI
+ * 
+ * Legal end state does not include TAP_TLR
+ * 
+ * Bits are clocked out from value LSB first.
+ */
+static __inline int jtag_add_shift(const enum tap_state shift_state, const enum tap_state end_state, int bits, u32 value)
+{
+       int retval;
+       retval=interface_jtag_add_shift(shift_state, end_state, bits, value);
+       return retval;
+}
+
+
 #endif /* JTAG_H */