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authorMax Filippov <jcmvbkbc@gmail.com>2016-11-11 22:40:18 -0800
committerMax Filippov <jcmvbkbc@gmail.com>2017-01-15 13:01:56 -0800
commit9e03ade4411c81a7f7d974dcedf0390835ce4096 (patch)
tree5ed7163044ac610d041277e20def7990e507b1b5 /target/xtensa/cpu.c
parent4b37aaa879d508494df14bdc49830cdf8aa77a57 (diff)
target/xtensa: implement MEMCTL SR
MEMCTL SR controls zero overhead loop buffer and number of ways enabled in L1 caches. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'target/xtensa/cpu.c')
-rw-r--r--target/xtensa/cpu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index 1c18892fca..811d8780d6 100644
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -66,6 +66,7 @@ static void xtensa_cpu_reset(CPUState *s)
XTENSA_OPTION_INTERRUPT) ? 0x1f : 0x10;
env->sregs[VECBASE] = env->config->vecbase;
env->sregs[IBREAKENABLE] = 0;
+ env->sregs[MEMCTL] = MEMCTL_IL0EN & env->config->memctl_mask;
env->sregs[CACHEATTR] = 0x22222222;
env->sregs[ATOMCTL] = xtensa_option_enabled(env->config,
XTENSA_OPTION_ATOMCTL) ? 0x28 : 0x15;