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Sat, 08 Nov 2025 11:42:32 -0800 (PST) From: Sergey Matyukevich To: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: Paul Walmsley , Palmer Dabbelt , Alexandre Ghiti , Oleg Nesterov , Shuah Khan , Thomas Huth , Charlie Jenkins , Andy Chiu , Samuel Holland , Joel Granados , Conor Dooley , Yong-Xuan Wang , Heiko Stuebner , Sergey Matyukevich Subject: [PATCH v4 5/9] riscv: csr: define vtype registers elements Date: Sat, 8 Nov 2025 22:41:44 +0300 Message-ID: <20251108194207.1257866-6-geomatsi@gmail.com> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251108194207.1257866-1-geomatsi@gmail.com> References: <20251108194207.1257866-1-geomatsi@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Define masks and shifts for vtype csr according to the RVV spec 1.0. Signed-off-by: Sergey Matyukevich --- arch/riscv/include/asm/csr.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h index 4a37a98398ad..4f55dcf86627 100644 --- a/arch/riscv/include/asm/csr.h +++ b/arch/riscv/include/asm/csr.h @@ -444,6 +444,17 @@ #define CSR_VTYPE 0xc21 #define CSR_VLENB 0xc22 =20 +#define VTYPE_VLMUL _AC(7, UL) +#define VTYPE_VLMUL_FRAC _AC(4, UL) +#define VTYPE_VSEW_SHIFT 3 +#define VTYPE_VSEW (_AC(7, UL) << VTYPE_VSEW_SHIFT) +#define VTYPE_VTA_SHIFT 6 +#define VTYPE_VTA (_AC(1, UL) << VTYPE_VTA_SHIFT) +#define VTYPE_VMA_SHIFT 7 +#define VTYPE_VMA (_AC(1, UL) << VTYPE_VMA_SHIFT) +#define VTYPE_VILL_SHIFT (__riscv_xlen - 1) +#define VTYPE_VILL (_AC(1, UL) << VTYPE_VILL_SHIFT) + /* Scalar Crypto Extension - Entropy */ #define CSR_SEED 0x015 #define SEED_OPST_MASK _AC(0xC0000000, UL) --=20 2.51.0