Messages in this thread | | | Date | Wed, 10 Apr 2024 14:32:41 -0700 | From | Deepak Gupta <> | Subject | Re: [PATCH 07/10] riscv: add ISA extension parsing for Zcmop |
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On Wed, Apr 10, 2024 at 11:11:00AM +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> >--- > arch/riscv/include/asm/hwcap.h | 1 + > arch/riscv/kernel/cpufeature.c | 1 + > 2 files changed, 2 insertions(+) > >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 09dee071274d..f1450cd7231e 100644 >--- a/arch/riscv/kernel/cpufeature.c >+++ b/arch/riscv/kernel/cpufeature.c >@@ -265,6 +265,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { > __RISCV_ISA_EXT_DATA(zcb, RISCV_ISA_EXT_ZCB), > __RISCV_ISA_EXT_DATA(zcd, RISCV_ISA_EXT_ZCD), > __RISCV_ISA_EXT_DATA(zcf, RISCV_ISA_EXT_ZCF), >+ __RISCV_ISA_EXT_DATA(zcmop, RISCV_ISA_EXT_ZCMOP),
As per spec zcmop is dependent on zca. So perhaps below ?
__RISCV_ISA_EXT_SUPERSET(zicboz, RISCV_ISA_EXT_ZCMOP, RISCV_ISA_EXT_ZCA)
> __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), >-- >2.43.0 > >
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