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Message-Id: <DA8B4610-D514-4733-B875-C247FFCCC7AA@sifive.com>
Date: Wed, 18 Oct 2023 09:45:30 +0800
From: Jerry Shih <jerry.shih@...ive.com>
To: Clément Léger <cleger@...osinc.com>
Cc: linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
Palmer Dabbelt <palmer@...osinc.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Albert Ou <aou@...s.berkeley.edu>,
Jonathan Corbet <corbet@....net>,
Andrew Jones <ajones@...tanamicro.com>,
Evan Green <evan@...osinc.com>,
Conor Dooley <conor@...nel.org>,
Samuel Ortiz <sameo@...osinc.com>
Subject: Re: [PATCH v2 05/19] riscv: add ISA extension parsing for vector
crypto extensions
On Oct 17, 2023, at 21:14, Clément Léger <cleger@...osinc.com> wrote:
> @@ -221,6 +261,22 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
> __RISCV_ISA_EXT_DATA(zkt, RISCV_ISA_EXT_ZKT),
> __RISCV_ISA_EXT_DATA(zksed, RISCV_ISA_EXT_ZKSED),
> __RISCV_ISA_EXT_DATA(zksh, RISCV_ISA_EXT_ZKSH),
> + __RISCV_ISA_EXT_DATA(zvbb, RISCV_ISA_EXT_ZVBB),
> + __RISCV_ISA_EXT_DATA(zvbc, RISCV_ISA_EXT_ZVBC),
> + __RISCV_ISA_EXT_DATA(zvkb, RISCV_ISA_EXT_ZVKB),
The `Zvkb` is the subset of `Zvbb`[1]. So, the `Zvkb` should be bundled with `Zvbb`.
+ __RISCV_ISA_EXT_DATA(zvbb, RISCV_ISA_EXT_ZVBB),
+ __RISCV_ISA_EXT_DATA(zvbb, RISCV_ISA_EXT_ZVKB),
+ __RISCV_ISA_EXT_DATA(zvkb, RISCV_ISA_EXT_ZVKB),
or
+ __RISCV_ISA_EXT_BUNDLE(zvbb, riscv_zvbb_bundled_exts),
+ __RISCV_ISA_EXT_DATA(zvkb, RISCV_ISA_EXT_ZVKB),
[1]
https://github.com/riscv/riscv-crypto/blob/main/doc/vector/riscv-crypto-vector-zvkb.adoc
-Jerry
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