From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 80077154C0E; Wed, 5 Jun 2024 18:03:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717610603; cv=none; b=V67jnF9D2/YxP8CVzOWEoo2l9j+g3hHNIUg5W+5VY3G1DYzcRUVeDUyb5mjnd3hqxneuTEaP2IuCda+8OOj60jgVjWbc1FsuPCbIqOG4vnW9C0Pidk+zYwjBMmspFsGsOH7B4civWgL0sxZvBzAxtKuiWIE/Ze7aw58IDLTmx08= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717610603; c=relaxed/simple; bh=WArTwWnRq32lxotUkfi4osAL299fnM7mL+wrQf5QP9c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NuITcO06CIZV6GdrAgSWc3FfOxIt6APn1Tb5BjS6WnQXywgJZlwAuk12j0ygdOQhgrXMxRN4ebtxfHh34upMH41UP1EE3IPM45ZaSECiBCo0vYp/G8PrXhDbzWZcGzAbLSGDirNRm3zMO/haIHP+mjLCI3dWcX1tfTl14msiM6g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NOQbkYrE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NOQbkYrE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0FDBC2BD11; Wed, 5 Jun 2024 18:03:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717610603; bh=WArTwWnRq32lxotUkfi4osAL299fnM7mL+wrQf5QP9c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NOQbkYrEiQtzDxjUAFPT3wScBuptAXHhgvzyn4FVnelso76pV6wPvXIaKf/Wb9r8L vpSVHIC+4OQ0s6HV5sVRRZ+EoocROGsEHFXSBKNeXPBM9fi9uZgqvS0GBNwDqnolzO x7VIlwWkFfhIjvPpUtB5emOHWmqpd23KdglsGNryq2QIgkJ+r7a7T8eOjuuSEnXFwn sbQhQBosxBbo+XloFsM3lYyZ8PotUV+qWZbzATRGZzb4C9xF8IFQgCB11uxzw6x2Xp kFXQs2paYymTr6PkbTzShu3dlWysNw5t1gWR/fVmKK0GDxAqEnkSpPA3Tf7rbHFgNc ja/3a5tqp/iMQ== Date: Wed, 5 Jun 2024 19:03:16 +0100 From: Conor Dooley To: Rajnesh Kanwal Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-riscv@lists.infradead.org, adrian.hunter@intel.com, alexander.shishkin@linux.intel.com, ajones@ventanamicro.com, anup@brainfault.org, acme@kernel.org, atishp@rivosinc.com, beeman@rivosinc.com, brauner@kernel.org, heiko@sntech.de, irogers@google.com, mingo@redhat.com, james.clark@arm.com, renyu.zj@linux.alibaba.com, jolsa@kernel.org, jisheng.teoh@starfivetech.com, palmer@dabbelt.com, tech-control-transfer-records@lists.riscv.org, will@kernel.org, kaiwenxue1@gmail.com Subject: Re: [PATCH RFC 2/6] riscv: perf: Add Control transfer records CSR definations. Message-ID: <20240605-manila-exploit-d7191ec7a4bc@spud> References: <20240529185337.182722-1-rkanwal@rivosinc.com> <20240529185337.182722-3-rkanwal@rivosinc.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="gAmoqjSbm9aJCwFl" Content-Disposition: inline In-Reply-To: <20240529185337.182722-3-rkanwal@rivosinc.com> --gAmoqjSbm9aJCwFl Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 29, 2024 at 07:53:33PM +0100, Rajnesh Kanwal wrote: > Adding CSR defines for RISCV Control Transfer Records extension [0] > along with bit-field macros for each CSR. >=20 > [0]: https://github.com/riscv/riscv-control-transfer-records >=20 > Signed-off-by: Rajnesh Kanwal > --- > arch/riscv/include/asm/csr.h | 83 ++++++++++++++++++++++++++++++++++++ This patch isn't for perf, so $subject is a bit misleading. Thanks, Conor. > 1 file changed, 83 insertions(+) >=20 > diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h > index 701963b64fc4..a80a2ee9d44e 100644 > --- a/arch/riscv/include/asm/csr.h > +++ b/arch/riscv/include/asm/csr.h > @@ -309,6 +309,85 @@ > =20 > #define CSR_SSCOUNTOVF 0xda0 > =20 > +/* M-mode Control Transfer Records CSRs */ > +#define CSR_MCTRCTL 0x34e > + > +/* S-mode Control Transfer Records CSRs */ > +#define CSR_SCTRCTL 0x14e > +#define CSR_SCTRSTATUS 0x14f > +#define CSR_SCTRDEPTH 0x15f > + > +/* VS-mode Control Transfer Records CSRs */ > +#define CSR_VSCTRCTL 0x24e > + > +/* xctrtl CSR bits. */ > +#define CTRCTL_U_ENABLE _AC(0x1, UL) > +#define CTRCTL_S_ENABLE _AC(0x2, UL) > +#define CTRCTL_M_ENABLE _AC(0x4, UL) > +#define CTRCTL_RASEMU _AC(0x80, UL) > +#define CTRCTL_STE _AC(0x100, UL) > +#define CTRCTL_MTE _AC(0x200, UL) > +#define CTRCTL_BPFRZ _AC(0x800, UL) > +#define CTRCTL_LCOFIFRZ _AC(0x1000, UL) > +#define CTRCTL_EXCINH _AC(0x200000000, UL) > +#define CTRCTL_INTRINH _AC(0x400000000, UL) > +#define CTRCTL_TRETINH _AC(0x800000000, UL) > +#define CTRCTL_NTBREN _AC(0x1000000000, UL) > +#define CTRCTL_TKBRINH _AC(0x2000000000, UL) > +#define CTRCTL_INDCALL_INH _AC(0x10000000000, UL) > +#define CTRCTL_DIRCALL_INH _AC(0x20000000000, UL) > +#define CTRCTL_INDJUMP_INH _AC(0x40000000000, UL) > +#define CTRCTL_DIRJUMP_INH _AC(0x80000000000, UL) > +#define CTRCTL_CORSWAP_INH _AC(0x100000000000, UL) > +#define CTRCTL_RET_INH _AC(0x200000000000, UL) > +#define CTRCTL_INDOJUMP_INH _AC(0x400000000000, UL) > +#define CTRCTL_DIROJUMP_INH _AC(0x800000000000, UL) > + > +/* sctrstatus CSR bits. */ > +#define SCTRSTATUS_WRPTR_MASK 0xFF > +#define SCTRSTATUS_FROZEN _AC(0x80000000, UL) > + > +#ifdef CONFIG_RISCV_M_MODE > +#define CTRCTL_KERNEL_ENABLE CTRCTL_M_ENABLE > +#else > +#define CTRCTL_KERNEL_ENABLE CTRCTL_S_ENABLE > +#endif > + > +/* sctrdepth CSR bits. */ > +#define SCTRDEPTH_MASK 0x7 > + > +#define SCTRDEPTH_MIN 0x0 /* 16 Entries. */ > +#define SCTRDEPTH_MAX 0x4 /* 256 Entries. */ > + > +/* ctrsource, ctrtarget and ctrdata CSR bits. */ > +#define CTRSOURCE_VALID 0x1ULL > +#define CTRTARGET_MISP 0x1ULL > + > +#define CTRDATA_TYPE_MASK 0xF > +#define CTRDATA_CCV 0x8000 > +#define CTRDATA_CCM_MASK 0xFFF0000 > +#define CTRDATA_CCE_MASK 0xF0000000 > + > +#define CTRDATA_TYPE_NONE 0 > +#define CTRDATA_TYPE_EXCEPTION 1 > +#define CTRDATA_TYPE_INTERRUPT 2 > +#define CTRDATA_TYPE_TRAP_RET 3 > +#define CTRDATA_TYPE_NONTAKEN_BRANCH 4 > +#define CTRDATA_TYPE_TAKEN_BRANCH 5 > +#define CTRDATA_TYPE_RESERVED_6 6 > +#define CTRDATA_TYPE_RESERVED_7 7 > +#define CTRDATA_TYPE_INDIRECT_CALL 8 > +#define CTRDATA_TYPE_DIRECT_CALL 9 > +#define CTRDATA_TYPE_INDIRECT_JUMP 10 > +#define CTRDATA_TYPE_DIRECT_JUMP 11 > +#define CTRDATA_TYPE_CO_ROUTINE_SWAP 12 > +#define CTRDATA_TYPE_RETURN 13 > +#define CTRDATA_TYPE_OTHER_INDIRECT_JUMP 14 > +#define CTRDATA_TYPE_OTHER_DIRECT_JUMP 15 > + > +#define CTR_ENTRIES_FIRST 0x200 > +#define CTR_ENTRIES_LAST 0x2ff > + > #define CSR_SSTATUS 0x100 > #define CSR_SIE 0x104 > #define CSR_STVEC 0x105 > @@ -490,6 +569,8 @@ > # define CSR_TOPEI CSR_MTOPEI > # define CSR_TOPI CSR_MTOPI > =20 > +# define CSR_CTRCTL CSR_MCTRCTL > + > # define SR_IE SR_MIE > # define SR_PIE SR_MPIE > # define SR_PP SR_MPP > @@ -520,6 +601,8 @@ > # define CSR_TOPEI CSR_STOPEI > # define CSR_TOPI CSR_STOPI > =20 > +# define CSR_CTRCTL CSR_SCTRCTL > + > # define SR_IE SR_SIE > # define SR_PIE SR_SPIE > # define SR_PP SR_SPP > --=20 > 2.34.1 >=20 --gAmoqjSbm9aJCwFl Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZmCoZAAKCRB4tDGHoIJi 0iM2AP9Si9iGkGWZfIT4Wvz1ik8Yid4XdH6yDVXY9JRWgW2TLwEA36YWxUghLcHi yEnAbSIY+i6bhhpL9m6M50Uq5UF/mAs= =DmjO -----END PGP SIGNATURE----- --gAmoqjSbm9aJCwFl--