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[v3,12/15] target-mips: CP0_Status.CU0 no longer allows the user to access CP0

Message ID 1414154549-2102-13-git-send-email-leon.alrae@imgtec.com
State New
Headers show

Commit Message

Leon Alrae Oct. 24, 2014, 12:42 p.m. UTC 
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
---
 target-mips/cpu.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 6367d8c..3b975eb 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;
     }