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[v4,08/11] riscv: add ISA extension parsing for Zcmop

Message ID 20240429150553.625165-9-cleger@rivosinc.com (mailing list archive)
State New, archived
Headers show
Series Add support for a few Zc* extensions as well as Zcmop | expand

Commit Message

Clément Léger April 29, 2024, 3:05 p.m. UTC
Add parsing for Zcmop ISA extension which was ratified in commit
b854a709c00 ("Zcmop is ratified/1.0") of the riscv-isa-manual.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
---
 arch/riscv/include/asm/hwcap.h | 1 +
 arch/riscv/kernel/cpufeature.c | 1 +
 2 files changed, 2 insertions(+)

Comments

Conor Dooley May 1, 2024, 9:33 a.m. UTC | #1
On Mon, Apr 29, 2024 at 05:05:01PM +0200, Clément Léger wrote:
> Add parsing for Zcmop ISA extension which was ratified in commit
> b854a709c00 ("Zcmop is ratified/1.0") of the riscv-isa-manual.
> 
> Signed-off-by: Clément Léger <cleger@rivosinc.com>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Cheers,
Conor.
diff mbox series

Patch

diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index b7551bad341b..cff7660de268 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -86,6 +86,7 @@ 
 #define RISCV_ISA_EXT_ZCB		77
 #define RISCV_ISA_EXT_ZCD		78
 #define RISCV_ISA_EXT_ZCF		79
+#define RISCV_ISA_EXT_ZCMOP		80
 
 #define RISCV_ISA_EXT_XLINUXENVCFG	127
 
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index c74bdb9c0a9f..acd745bbf41f 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -315,6 +315,7 @@  const struct riscv_isa_ext_data riscv_isa_ext[] = {
 	__RISCV_ISA_EXT_DATA_VALIDATE(zcb, RISCV_ISA_EXT_ZCB, riscv_ext_zca_depends),
 	__RISCV_ISA_EXT_DATA_VALIDATE(zcd, RISCV_ISA_EXT_ZCD, riscv_ext_zcd_validate),
 	__RISCV_ISA_EXT_DATA_VALIDATE(zcf, RISCV_ISA_EXT_ZCF, riscv_ext_zcf_validate),
+	__RISCV_ISA_EXT_DATA_VALIDATE(zcmop, RISCV_ISA_EXT_ZCMOP, riscv_ext_zca_depends),
 	__RISCV_ISA_EXT_DATA(zba, RISCV_ISA_EXT_ZBA),
 	__RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB),
 	__RISCV_ISA_EXT_DATA(zbc, RISCV_ISA_EXT_ZBC),