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| author | Sergey Sorokin <afarallax@yandex.ru> | 2016-05-12 13:22:26 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-05-12 13:22:26 +0100 |
| commit | dfda68377e20943f474505e75238cb96bc6874bf (patch) | |
| tree | 77e980de70bd7cdbdcf7176c9d7b1cf20344df78 /target-arm | |
| parent | 0b062eb090517a66f3e9b4b1ddf2e740e9517102 (diff) | |
| download | qemu-dfda68377e20943f474505e75238cb96bc6874bf.tar.gz | |
target-arm: Stage 2 permission fault was fixed in AArch32 state
As described in AArch32.CheckS2Permission an instruction fetch fails if
XN bit is set or there is no read permission for the address.
Signed-off-by: Sergey Sorokin <afarallax@yandex.ru>
Message-id: 1461002400-3187-1-git-send-email-afarallax@yandex.ru
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/helper.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 09638b2e7d..59efb90366 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -6708,7 +6708,9 @@ static int get_S2prot(CPUARMState *env, int s2ap, int xn) prot |= PAGE_WRITE; } if (!xn) { - prot |= PAGE_EXEC; + if (arm_el_is_aa64(env, 2) || prot & PAGE_READ) { + prot |= PAGE_EXEC; + } } return prot; } |