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| author | Spencer Oliver <ntfreak@users.sourceforge.net> | 2009-12-21 16:33:03 +0000 |
|---|---|---|
| committer | Spencer Oliver <ntfreak@users.sourceforge.net> | 2010-01-05 19:54:36 +0000 |
| commit | f6412d9c7b22ab25caec6be19317f0fc4a840fdd (patch) | |
| tree | b9bb7a56f70e98d6003d5a5556f093c6edc11d7f /src/target/mips_ejtag.c | |
| parent | faad9e59233306e608a3a01388a38099ece9688b (diff) | |
| download | openocd+libswd-f6412d9c7b22ab25caec6be19317f0fc4a840fdd.tar.gz openocd+libswd-f6412d9c7b22ab25caec6be19317f0fc4a840fdd.tar.bz2 openocd+libswd-f6412d9c7b22ab25caec6be19317f0fc4a840fdd.tar.xz openocd+libswd-f6412d9c7b22ab25caec6be19317f0fc4a840fdd.zip | |
MIPS: optimize pracc access
remove unnecessary nops when accessing ejtag pracc
general fastdata patch cleanup
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
Diffstat (limited to 'src/target/mips_ejtag.c')
| -rw-r--r-- | src/target/mips_ejtag.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c index 6f7baf01..bebad9ac 100644 --- a/src/target/mips_ejtag.c +++ b/src/target/mips_ejtag.c @@ -139,10 +139,8 @@ int mips_ejtag_step_enable(struct mips_ejtag *ejtag_info) MIPS32_MFC0(1,23,0), /* move COP0 Debug to $1 */ MIPS32_ORI(1,1,0x0100), /* set SSt bit in debug reg */ MIPS32_MTC0(1,23,0), /* move $1 to COP0 Debug */ + MIPS32_B(NEG16(5)), MIPS32_MFC0(1,31,0), /* move COP0 DeSave to $1 */ - MIPS32_NOP, - MIPS32_B(NEG16(7)), - MIPS32_NOP, }; mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \ @@ -165,10 +163,8 @@ int mips_ejtag_step_disable(struct mips_ejtag *ejtag_info) MIPS32_MTC0(1,23,0), /* move $1 to COP0 Debug */ MIPS32_LW(2,0,15), MIPS32_LW(1,0,15), + MIPS32_B(NEG16(13)), MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */ - MIPS32_NOP, - MIPS32_B(NEG16(15)), - MIPS32_NOP, }; mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \ @@ -230,10 +226,8 @@ int mips_ejtag_read_debug(struct mips_ejtag *ejtag_info, uint32_t* debug_reg) MIPS32_SW(2,0,1), MIPS32_LW(2,0,15), MIPS32_LW(1,0,15), + MIPS32_B(NEG16(12)), MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */ - MIPS32_NOP, - MIPS32_B(NEG16(14)), - MIPS32_NOP, }; mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \ |