[{"id":3681235,"web_url":"http://patchwork.ozlabs.org/comment/3681235/","msgid":"<770518bf-eb86-4098-a729-ab339fc3b40e@linaro.org>","list_archive_url":null,"date":"2026-04-23T02:03:18","subject":"Re: [PATCH] docs/system: add FEAT_AA32 and FEAT_AA64 to emulation\n list","submitter":{"id":72104,"url":"http://patchwork.ozlabs.org/api/people/72104/","name":"Richard Henderson","email":"richard.henderson@linaro.org"},"content":"On 4/21/26 19:35, Alex Bennée wrote:\n> This is just a documentation tweak as we already support both.\n> FEAT_AA32 implies FEAT_AA32EL0. FEAT_AA64 implies FEAT_AA64EL[0123].\n> \n> This is however useful if you are using emulation.rst as a source of\n> truth of what QEMU emulates and when cross checking with\n> Features.json from Arm.\n> \n> Signed-off-by: Alex Bennée \n> ---\n> docs/system/arm/emulation.rst | 2 ++\n> 1 file changed, 2 insertions(+)\n> \n> diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst\n> index 7787691853e..8cd7fe7b00d 100644\n> --- a/docs/system/arm/emulation.rst\n> +++ b/docs/system/arm/emulation.rst\n> @@ -7,6 +7,7 @@ QEMU's TCG emulation includes support for the Armv5, Armv6, Armv7,\n> Armv8 and Armv9 versions of the A-profile architecture. It also has support for\n> the following architecture extensions:\n> \n> +- FEAT_AA32 (PE Support for AArch32)\n> - FEAT_AA32BF16 (AArch32 BFloat16 instructions)\n> - FEAT_AA32EL0 (Support for AArch32 at EL0)\n> - FEAT_AA32EL1 (Support for AArch32 at EL1)\n> @@ -14,6 +15,7 @@ the following architecture extensions:\n> - FEAT_AA32EL3 (Support for AArch32 at EL3)\n> - FEAT_AA32HPD (AArch32 hierarchical permission disables)\n> - FEAT_AA32I8MM (AArch32 Int8 matrix multiplication instructions)\n> +- FEAT_AA64 (PE uses AArch64 after last reboot)\n> - FEAT_AA64EL0 (Support for AArch64 at EL0)\n> - FEAT_AA64EL1 (Support for AArch64 at EL1)\n> - FEAT_AA64EL2 (Support for AArch64 at EL2)\n\nReviewed-by: Richard Henderson \n\nr~","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=YYDlC4iJ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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