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>
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)) {
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;
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