code to be used in upcoming minidriver work.

git-svn-id: svn://svn.berlios.de/openocd/trunk@370 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/target/embeddedice.h b/src/target/embeddedice.h
index 9915e49b27241fe2ff9ccd2d7e10d83fb5174ba6..62c5b78b728568e89f0470760e608d5b84b1b1b9 100644 (file)
--- a/src/target/embeddedice.h
+++ b/src/target/embeddedice.h
@@ -101,4 +101,17 @@ extern int embeddedice_receive(arm_jtag_t *jtag_info, u32 *data, u32 size);
 extern int embeddedice_send(arm_jtag_t *jtag_info, u32 *data, u32 size);
 extern int embeddedice_handshake(arm_jtag_t *jtag_info, int hsbit, u32 timeout);
 
+/* If many embeddedice_write_reg() follow eachother, then the >1 invocations can be this faster version of 
+ * embeddedice_write_reg
+ */
+static __inline void embeddedice_write_reg_inner(reg_t *reg, u32 value)
+{
+       embeddedice_reg_t *ice_reg = reg->arch_info;
+       u8 reg_addr = ice_reg->addr & 0x1f;
+       jtag_add_shift(TAP_SD, TAP_PD, 32, value);
+       jtag_add_shift(TAP_SD, TAP_PD, 5, reg_addr);
+       jtag_add_shift(TAP_SD, TAP_RTI, 1, 1);
+}
+
+
 #endif /* EMBEDDED_ICE_H */