From 203e0d22c41fa0dc5518a29d4b02ace28ee879a5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Vincent=20Stehl=C3=A9?= Date: Thu, 13 Nov 2025 09:58:42 +0100 Subject: [PATCH] chapter3: recommend the soc_id smccc call MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Recommend to implement the SMCCC SOC_ID call on AArch64. Signed-off-by: Vincent Stehlé --- source/chapter3-secureworld.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/source/chapter3-secureworld.rst b/source/chapter3-secureworld.rst index 38ec9a1..d20319e 100644 --- a/source/chapter3-secureworld.rst +++ b/source/chapter3-secureworld.rst @@ -43,6 +43,12 @@ It is recommended that firmware implements PSCI version 1.0 or later .. warning:: A future version of this specification will require minimum PSCI and SMCCC versions. +AArch64 SoC Identification +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +On AArch64 platforms, it is recommended that privileged or secure firmware +implements the `SMCCC_ARCH_SOC_ID` call, to ease system identification. + AArch64 Firmware Framework --------------------------