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Mention smccc arch features in chapter3 aarch64#168

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vstehle merged 1 commit into
ARM-software:mainfrom
vstehle:archfeat
May 20, 2026
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Mention smccc arch features in chapter3 aarch64#168
vstehle merged 1 commit into
ARM-software:mainfrom
vstehle:archfeat

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@vstehle vstehle commented May 19, 2026

Mention the SMCCC_ARCH_FEATURES function as a motivation for supporting SMCCC >= 1.1.

This is informative only, no requirement change.

Mention the SMCCC_ARCH_FEATURES function as a motivation for supporting
SMCCC >= 1.1.

Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com>
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The change matches ARM DEN 0028D "SMC Calling Conventions".

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vstehle commented May 20, 2026

Thanks @xypron and @apalos for reviewing.
Approved during the EBBR call of May 20.

@vstehle vstehle merged commit 334338c into ARM-software:main May 20, 2026
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