From nobody Mon Feb 9 20:09:43 2026 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F81622CF02 for ; Thu, 16 Jan 2025 23:10:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737069033; cv=none; b=FQkSHgT+6g86x9qHv0FcNVmTifgwJF51km/W4lzELpGnSkPqIl/joFFwfPsqcE+WDZ20lpv7Rau7cxKHbi8Zt8N6nEels3DhBouojVvVaVcSVnI+jUUVK8xbKxo+SzIRQZuuSOb1vc9WmncWAWqdpAEZ1mmO+IVcIHyZ/s+xClA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737069033; c=relaxed/simple; bh=SQQaty6fCkVnUgpY4sT8w9n0kpRWVXbvtIPxo6ahfMk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=g0qU+KREAQCAlK806BvvihHDLhgJWGTZNiPlfmJXJzpav2Plh+5XmPdhVpTZIzgZTH7+yuoDQUfT32fpekhEvIdqQPAf3IVIMyj6qDML2SVgor4tc5SYyy8YEgoDGRgfWj9gtCL+JtglespJxDDCVqrhQqYxiViBngAXkfqwyb8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com; spf=pass smtp.mailfrom=rivosinc.com; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b=labC1pHT; arc=none smtp.client-ip=209.85.128.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b="labC1pHT" Received: by mail-wm1-f54.google.com with SMTP id 5b1f17b1804b1-4362bae4d7dso9794315e9.1 for ; Thu, 16 Jan 2025 15:10:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1737069029; x=1737673829; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=iExoXWcsgpz1yiXKVDiuJsm//UYZR8b0hyvjPLZ7n2M=; b=labC1pHTyGwvS9WWHqSAG/DnlL7A2jALM54CCuoyFWbUSSlM5a7CQPKXLfoK8dGaoI 1fTDtjvZ+d3nApRF2YxQ0jAPJPjmSdU67XcDTvJP3Efy+MN/TYrajQzDRRidYL7iHmuK kgOFMfp1liWGSblrjmDfjOZRbBybWYLltfdD112nvki7n3+d+FA7Y0DWvYD+nzZRYnmL 2badOp/IX0PNLzgcJ5i24EItV8eiMCwoUb9Mmpr3nSj9ylLMsh0rCWsUbpimGYAM8WZd Y9E6JefCuDFJqfnWLQYDW4lWt75SH4T5jeLxuy+Hi4nsSYwtYsBpptAdk8mqWAtp+5/s Mjhw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737069029; x=1737673829; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iExoXWcsgpz1yiXKVDiuJsm//UYZR8b0hyvjPLZ7n2M=; b=EXFIa706K2+8sJr9UpbxXN74zVTexorzrAnQhw5+h27EYGuNyZ/5nAjk16k3Lpc5Ih 2LtXFd2ANHIGtgUdSSCzbpNkEz4nBgyQG2d3vmWLFq8V089cwBF5CtV7W1ZS9KbKZk1K FfbIX+DzVE3t8TOlE2Vc2nCgdTUSX8N1Bmn1w0YjcRK8zYPbS8eFEbS/2dKZydI48fV4 2uSuD4HEiaes5BD7phOTEGJznpSq+Wd7eQuZ85uwn2G6vowoMP8gQWjqYLe479iqRGdM IOijB+o3bAKPek8WzDcnH/DpMIf/xTMIczPsJ5REW/kaZS7m9rS5UrVj+YE4iraj0ZqE FEiA== X-Gm-Message-State: AOJu0Ywm+6cfkl+T6Z5nORFPh8diqWaM1P+y0avjn5wY5iPb52PR6Cof 3RVJ64brc9bbAdAoLBi9Ipl/0UeqzdF/6NiV4Yxa+AEGwI1XAlbAA9lr+9p1eop0QoVsnGG1GMs 2 X-Gm-Gg: ASbGnct888kzoBrYME1Fij2i9VhMYcIF+XeZs8girh7qNE4Sw3uYfprB5c0RaaBe2a4 vUSbCFuBuexUrRme1Y2G0fTGUbU++UhEwRK7gb9i27XjFd2MAKV+LsaN5Lw0PGYMFPjqkrH3tlw BqfBxa+fgtAUpCVhFg/b1LHJPi0FXWTD+Q6D4iTU9DNSFAJ2mHcuKdMkfnwEC4lFRREK4Xo7YIj PTecGlcVWVbFwwLKt5DcCjaz1gCSUU5zqDoV1aHaS1jOBQdjwIVNhxu1OTCxVfdBAUNhYEVEQRQ R3ADjhnfC5M1hV1l X-Google-Smtp-Source: AGHT+IEE85RzZXgjKSxtatDeczrhYN+ZJtEmiy39XawqUlljd+N8P1eGO6eoSvUUxpVRipcUDt0wBw== X-Received: by 2002:a5d:6d06:0:b0:38a:418e:1177 with SMTP id ffacd0b85a97d-38bf565531dmr377720f8f.11.1737069029362; Thu, 16 Jan 2025 15:10:29 -0800 (PST) Received: from rkanwal-XPS-15-9520.uk.rivosinc.com ([2a02:c7c:75ac:6300:b3f2:3a24:1767:7db0]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38bf322b337sm974991f8f.59.2025.01.16.15.10.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jan 2025 15:10:29 -0800 (PST) From: Rajnesh Kanwal To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Cc: linux-perf-users@vger.kernel.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, conor@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, will@kernel.org, kaiwenxue1@gmail.com, vincent.chen@sifive.com, Rajnesh Kanwal Subject: [PATCH v2 2/7] riscv: pmu: Add Control transfer records CSR definations. Date: Thu, 16 Jan 2025 23:09:50 +0000 Message-Id: <20250116230955.867152-3-rkanwal@rivosinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250116230955.867152-1-rkanwal@rivosinc.com> References: <20250116230955.867152-1-rkanwal@rivosinc.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" Adding CSR defines for RISCV Control Transfer Records extension [0] along with bit-field macros for each CSR. [0]: https://github.com/riscv/riscv-control-transfer-records Signed-off-by: Rajnesh Kanwal --- arch/riscv/include/asm/csr.h | 83 ++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h index a06d5fec6e6d..465a5e338ccb 100644 --- a/arch/riscv/include/asm/csr.h +++ b/arch/riscv/include/asm/csr.h @@ -325,6 +325,85 @@ =20 #define CSR_SCOUNTOVF 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 @@ -508,6 +587,8 @@ # 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 @@ -538,6 +619,8 @@ # 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