[PATCH RFC 3/6] riscv: perf: Add Control Transfer Records extension parsing
Conor Dooley
conor at kernel.org
Wed Jun 5 11:06:40 PDT 2024
On Wed, May 29, 2024 at 07:53:34PM +0100, Rajnesh Kanwal wrote:
> Adding CTR extension in ISA extension map to lookup for extension
> availability.
>
> Signed-off-by: Rajnesh Kanwal <rkanwal at rivosinc.com>
Same comment here about $subject.
You're also missing dt-bindings for the extension.
Thanks,
Conor.
> ---
> arch/riscv/include/asm/hwcap.h | 4 ++++
> arch/riscv/kernel/cpufeature.c | 2 ++
> 2 files changed, 6 insertions(+)
>
> diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
> index b8cc459ee8a4..aff5ef398671 100644
> --- a/arch/riscv/include/asm/hwcap.h
> +++ b/arch/riscv/include/asm/hwcap.h
> @@ -86,6 +86,8 @@
> #define RISCV_ISA_EXT_SSCCFG 77
> #define RISCV_ISA_EXT_SMCDELEG 78
> #define RISCV_ISA_EXT_SMCNTRPMF 79
> +#define RISCV_ISA_EXT_SMCTR 80
> +#define RISCV_ISA_EXT_SSCTR 81
>
> #define RISCV_ISA_EXT_XLINUXENVCFG 127
>
> @@ -95,9 +97,11 @@
> #ifdef CONFIG_RISCV_M_MODE
> #define RISCV_ISA_EXT_SxAIA RISCV_ISA_EXT_SMAIA
> #define RISCV_ISA_EXT_SxCSRIND RISCV_ISA_EXT_SMCSRIND
> +#define RISCV_ISA_EXT_SxCTR RISCV_ISA_EXT_SMCTR
> #else
> #define RISCV_ISA_EXT_SxAIA RISCV_ISA_EXT_SSAIA
> #define RISCV_ISA_EXT_SxCSRIND RISCV_ISA_EXT_SSCSRIND
> +#define RISCV_ISA_EXT_SxCTR RISCV_ISA_EXT_SSCTR
> #endif
>
> #endif /* _ASM_RISCV_HWCAP_H */
> diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
> index d1fb6a8c5492..4334d822b2f2 100644
> --- a/arch/riscv/kernel/cpufeature.c
> +++ b/arch/riscv/kernel/cpufeature.c
> @@ -298,6 +298,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
> __RISCV_ISA_EXT_DATA(zvkt, RISCV_ISA_EXT_ZVKT),
> __RISCV_ISA_EXT_DATA(smaia, RISCV_ISA_EXT_SMAIA),
> __RISCV_ISA_EXT_DATA(smcdeleg, RISCV_ISA_EXT_SMCDELEG),
> + __RISCV_ISA_EXT_DATA(smctr, RISCV_ISA_EXT_SMCTR),
> __RISCV_ISA_EXT_DATA(smstateen, RISCV_ISA_EXT_SMSTATEEN),
> __RISCV_ISA_EXT_DATA(smcntrpmf, RISCV_ISA_EXT_SMCNTRPMF),
> __RISCV_ISA_EXT_DATA(smcsrind, RISCV_ISA_EXT_SMCSRIND),
> @@ -305,6 +306,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
> __RISCV_ISA_EXT_DATA(sscsrind, RISCV_ISA_EXT_SSCSRIND),
> __RISCV_ISA_EXT_DATA(ssccfg, RISCV_ISA_EXT_SSCCFG),
> __RISCV_ISA_EXT_DATA(sscofpmf, RISCV_ISA_EXT_SSCOFPMF),
> + __RISCV_ISA_EXT_DATA(ssctr, RISCV_ISA_EXT_SSCTR),
> __RISCV_ISA_EXT_DATA(sstc, RISCV_ISA_EXT_SSTC),
> __RISCV_ISA_EXT_DATA(svinval, RISCV_ISA_EXT_SVINVAL),
> __RISCV_ISA_EXT_DATA(svnapot, RISCV_ISA_EXT_SVNAPOT),
> --
> 2.34.1
>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 228 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-riscv/attachments/20240605/efc55dda/attachment.sig>
More information about the linux-riscv
mailing list