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authorLeon Alrae <leon.alrae@imgtec.com>2014-07-11 16:11:34 +0100
committerLeon Alrae <leon.alrae@imgtec.com>2014-11-03 11:48:34 +0000
commita63eb0ce0f5c43cf022022c5f4860aaf4f292a06 (patch)
treeb9df307997920bbd39cb738cf4a87aa8ebed8d37
parent339cd2a82aca031370cd71b1118a5565dc2af0a9 (diff)
downloadvirtio-serial-a63eb0ce0f5c43cf022022c5f4860aaf4f292a06.tar.gz
target-mips: CP0_Status.CU0 no longer allows the user to access CP0
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
-rw-r--r--target-mips/cpu.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 6367d8c52df..3b975ebe78a 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -790,7 +790,8 @@ static inline void compute_hflags(CPUMIPSState *env)
}
}
#endif
- if ((env->CP0_Status & (1 << CP0St_CU0)) ||
+ if (((env->CP0_Status & (1 << CP0St_CU0)) &&
+ !(env->insn_flags & ISA_MIPS32R6)) ||
!(env->hflags & MIPS_HFLAG_KSU)) {
env->hflags |= MIPS_HFLAG_CP0;
}