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| author | Peter Maydell <peter.maydell@linaro.org> | 2023-04-20 10:21:16 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2023-04-20 10:21:16 +0100 |
| commit | dd17143fcecdc2b8845de1b0c251fa4e49b0f572 (patch) | |
| tree | ef02cee59af046fd5c0d69126ba3918d7c9c2361 /docs | |
| parent | a3856808d9e687fce071ffca223daeb88c760854 (diff) | |
| download | qemu-dd17143fcecdc2b8845de1b0c251fa4e49b0f572.zip qemu-dd17143fcecdc2b8845de1b0c251fa4e49b0f572.tar.gz qemu-dd17143fcecdc2b8845de1b0c251fa4e49b0f572.tar.bz2 | |
target/arm: Implement FEAT_PAN3
FEAT_PAN3 adds an EPAN bit to SCTLR_EL1 and SCTLR_EL2, which allows
the PAN bit to make memory non-privileged-read/write if it is
user-executable as well as if it is user-read/write.
Implement this feature and enable it in the AArch64 'max' CPU.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230331145045.2584941-4-peter.maydell@linaro.org
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/system/arm/emulation.rst | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 2062d71..7338987 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -56,6 +56,7 @@ the following architecture extensions: - FEAT_MTE3 (MTE Asymmetric Fault Handling) - FEAT_PAN (Privileged access never) - FEAT_PAN2 (AT S1E1R and AT S1E1W instruction variants affected by PSTATE.PAN) +- FEAT_PAN3 (Support for SCTLR_ELx.EPAN) - FEAT_PAuth (Pointer authentication) - FEAT_PMULL (PMULL, PMULL2 instructions) - FEAT_PMUv3p1 (PMU Extensions v3.1) |