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[v2,1/7] target-arm: Allow special cpregs to have flags set

Message ID 1370267237-25772-2-git-send-email-peter.maydell@linaro.org
State Accepted
Commit 34affeefbbdbd97471c283677179254a2e006994
Headers show

Commit Message

Peter Maydell June 3, 2013, 1:47 p.m. UTC 
Relax the "is this a valid ARMCPRegInfo type value?" check to permit
"special" cpregs to have flags other than ARM_CP_SPECIAL set. At
the moment none of the other flags are relevant for special regs,
but the migration related flag we're about to introduce can apply
here too.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target-arm/cpu.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 5438444..737c00c 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -456,7 +456,7 @@  static inline bool cptype_valid(int cptype)
 {
     return ((cptype & ~ARM_CP_FLAG_MASK) == 0)
         || ((cptype & ARM_CP_SPECIAL) &&
-            (cptype <= ARM_LAST_SPECIAL));
+            ((cptype & ~ARM_CP_FLAG_MASK) <= ARM_LAST_SPECIAL));
 }
 
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