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authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-02-28 09:34:18 +0000
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-02-28 09:34:18 +0000
commit76ebc78358ef94dcf5d64c8738e6dd4bb1371b2c (patch)
treee3a07cf25c09d30e78aab5c80a7278badebec024
parent367b968809f35619e813b9352ce144b341220e22 (diff)
code to be used in upcoming minidriver work.
git-svn-id: svn://svn.berlios.de/openocd/trunk@370 b42882b7-edfa-0310-969c-e2dbd0fdcd60
-rw-r--r--src/target/embeddedice.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/target/embeddedice.h b/src/target/embeddedice.h
index 9915e49b..62c5b78b 100644
--- 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 */