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[v2,3/3] docs/system/arm/emulation.rst: Report FEAT_GTG support

Message ID 20221003162315.2833797-4-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show
Series target/arm: Enforce implemented granule size limits | expand

Commit Message

Peter Maydell Oct. 3, 2022, 4:23 p.m. UTC 
FEAT_GTG is a change tho the ID register ID_AA64MMFR0_EL1 so that it
can report a different set of supported granule (page) sizes for
stage 1 and stage 2 translation tables.  As of commit c20281b2a5048
we already report the granule sizes that way for '-cpu max', and now
we also correctly make attempts to use unimplemented granule sizes
fail, so we can report the support of the feature in the
documentation.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 docs/system/arm/emulation.rst | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index be7bbffe595..cfb4b0768b0 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -31,6 +31,7 @@  the following architecture extensions:
 - FEAT_FRINTTS (Floating-point to integer instructions)
 - FEAT_FlagM (Flag manipulation instructions v2)
 - FEAT_FlagM2 (Enhancements to flag manipulation instructions)
+- FEAT_GTG (Guest translation granule size)
 - FEAT_HCX (Support for the HCRX_EL2 register)
 - FEAT_HPDS (Hierarchical permission disables)
 - FEAT_I8MM (AArch64 Int8 matrix multiplication instructions)