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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Date: Fri, 19 Oct 2018 17:56:54 +0100
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Subject: [Qemu-devel] [PULL 04/45] target/arm: V8M should not imply V7VE
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From: Richard Henderson <richard.henderson@linaro.org>
Instantiating mps2-an505 (cortex-m33) will fail make check when
V7VE asserts that ID_ISAR0.Divide includes ARM division. It is
also wrong to include ARM_FEATURE_LPAE.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181016223115.24100-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 4f6756a4e2e..12e6273d603 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -814,7 +814,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error =
**errp)
=20
/* Some features automatically imply others: */
if (arm_feature(env, ARM_FEATURE_V8)) {
- set_feature(env, ARM_FEATURE_V7VE);
+ if (arm_feature(env, ARM_FEATURE_M)) {
+ set_feature(env, ARM_FEATURE_V7);
+ } else {
+ set_feature(env, ARM_FEATURE_V7VE);
+ }
}
if (arm_feature(env, ARM_FEATURE_V7VE)) {
/* v7 Virtualization Extensions. In real hardware this implies
--=20
2.19.1