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| author | Salvador <sarroyofdez@yahoo.es> | 2012-05-09 17:21:19 +0200 |
|---|---|---|
| committer | Freddie Chopin <freddie.chopin@gmail.com> | 2012-07-30 06:39:03 +0000 |
| commit | 09cd5661e6d275cd736d3b6c91f373c83e37d70c (patch) | |
| tree | 9fa8e50332bca82921716b129cefdb2cd69dfd17 /src | |
| parent | 9a8edbfa8bd83d58a1904dfd35a00f9793d99314 (diff) | |
| download | riscv-openocd-09cd5661e6d275cd736d3b6c91f373c83e37d70c.zip riscv-openocd-09cd5661e6d275cd736d3b6c91f373c83e37d70c.tar.gz riscv-openocd-09cd5661e6d275cd736d3b6c91f373c83e37d70c.tar.bz2 | |
Speed up mips_m4k_write_memory()
Do not call mips32_cp0_read() if not needed.
This will speed up execution of mips_m4k_write_memory()
by near 2x, with parameter count = 1.
Change-Id: I7829a7802b6475bc6d4ac3f0632d8d239d1072da
Signed-off-by: Salvador <sarroyofdez@yahoo.es>
Reviewed-on: http://openocd.zylin.com/624
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/mips32_pracc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c index d657b98..abf12e0 100644 --- a/src/target/mips32_pracc.c +++ b/src/target/mips32_pracc.c @@ -829,6 +829,9 @@ int mips32_pracc_write_mem(struct mips_ejtag *ejtag_info, uint32_t addr, int siz uint32_t conf = 0; int cached = 0; + if ((KSEGX(addr) == KSEG1) || ((addr >= 0xff200000) && (addr <= 0xff3fffff))) + return retval; /*Nothing to do*/ + mips32_cp0_read(ejtag_info, &conf, 16, 0); switch (KSEGX(addr)) { @@ -838,9 +841,6 @@ int mips32_pracc_write_mem(struct mips_ejtag *ejtag_info, uint32_t addr, int siz case KSEG0: cached = (conf & MIPS32_CONFIG0_K0_MASK) >> MIPS32_CONFIG0_K0_SHIFT; break; - case KSEG1: - /* uncachable segment - nothing to do */ - break; case KSEG2: case KSEG3: cached = (conf & MIPS32_CONFIG0_K23_MASK) >> MIPS32_CONFIG0_K23_SHIFT; |