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| author | Max Filippov <jcmvbkbc@gmail.com> | 2011-11-01 01:51:02 +0400 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2011-11-02 05:05:38 +0400 |
| commit | 53a72dfda584c8d54df61f7c1aea9f9ff86b138c (patch) | |
| tree | 240aad6dbeab981c96a680e05327af6d632ce372 /target-xtensa | |
| parent | e072ea2fd8fdceef64159b9596d3c15ce01bea91 (diff) | |
| download | qemu-53a72dfda584c8d54df61f7c1aea9f9ff86b138c.zip qemu-53a72dfda584c8d54df61f7c1aea9f9ff86b138c.tar.gz qemu-53a72dfda584c8d54df61f7c1aea9f9ff86b138c.tar.bz2 | |
target-xtensa: mask out undefined bits of WINDOWSTART SR
According to ISA, table 5-156, bits 32:NAREG/4 of the WINDOWSTART SR
must be zero.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'target-xtensa')
| -rw-r--r-- | target-xtensa/translate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 1688bb2..b724d46 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -466,7 +466,7 @@ static void gen_wsr_windowbase(DisasContext *dc, uint32_t sr, TCGv_i32 v) static void gen_wsr_windowstart(DisasContext *dc, uint32_t sr, TCGv_i32 v) { - tcg_gen_mov_i32(cpu_SR[sr], v); + tcg_gen_andi_i32(cpu_SR[sr], v, (1 << dc->config->nareg / 4) - 1); reset_used_window(dc); } |