From nobody Mon Dec 23 11:35:09 2024 X-Original-To: freebsd-riscv@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YGwv452zBz5gfJ5 for ; Mon, 23 Dec 2024 11:35:44 +0000 (UTC) (envelope-from himanshu@thechauhan.dev) Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YGwv32vm0z4M4Q for ; Mon, 23 Dec 2024 11:35:43 +0000 (UTC) (envelope-from himanshu@thechauhan.dev) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=thechauhan.dev header.s=google header.b=fRLzzxVI; spf=fail (mx1.freebsd.org: domain of himanshu@thechauhan.dev does not designate 2607:f8b0:4864:20::430 as permitted sender) smtp.mailfrom=himanshu@thechauhan.dev; dmarc=none Received: by mail-pf1-x430.google.com with SMTP id d2e1a72fcca58-728e78c4d7bso3000930b3a.0 for ; Mon, 23 Dec 2024 03:35:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=thechauhan.dev; s=google; t=1734953742; x=1735558542; darn=freebsd.org; h=message-id:in-reply-to:to:references:date:subject:mime-version :content-transfer-encoding:from:from:to:cc:subject:date:message-id :reply-to; bh=L7mAFCluqF8uqDT2AncPF3nHwujh0vv049aoFyyubXE=; b=fRLzzxVIBFCpu+oAizOC2UheSxveBuzhFWNowwEzd3oq7cC8PisTKKJtAdw/uELlNH 9FIzfgD9+iUidJqWlaRyOI1QXOtlGqi8ZTWWPsTB16rBlm6EoUrYxA0fE//7bLCnrp5b TzL6yH5pfBmTi0Lss7mjWUk8yEXTCPo8KXizJy/hmJ7L1pnmlpPzogES+7TYygW52wU9 8SzKRwLLAAfl2UJE/HzctQMhtvYDflkkhMeunAiiFDO9GlF4HAucOODYISLBHzEKV7tM ztFWFBtAziY/4AIjCo16AoTyk7QsljgHhiGUjtSJ61uSmx8kRPt3n90i6mzOq2x9mcAu N/kQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734953742; x=1735558542; h=message-id:in-reply-to:to:references:date:subject:mime-version :content-transfer-encoding:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=L7mAFCluqF8uqDT2AncPF3nHwujh0vv049aoFyyubXE=; b=gKEVwIpufnXjSHApINvLOwK3hU72sPF8kztjWX/bK2Tx5UBGBgrct7ow3LLU9DNVRL aGmqjO9hI9b78L0+Drxq63vThevPVSQLD/I+PeUJ0cmvBOfe8laBICvGvi71e+pofLUL Yp5E4rBpWZ88tjQDrsV7uNhiamYK/lyDOv/yMy1mt5TARI+EMB3NZ+MqP6CKqbn8leyx yInHNjMMXLIB5cjqcOeNkbevgNsokk6pTHIiz8Lx7ZIvGDOIGAfv2Wfc6xiA74eLpFlZ dmB8Byi35WgpxditQe7ip+N+k3uJAZam8avap7iM6u8DzQypXSSHREisiPxyawgFYh3c u2aw== X-Gm-Message-State: AOJu0YzBITh7Wf4HXk42igaluESw+hbreQXcjNi0L2MaNgfx9Qe8PXWu vlXtXBDcr/QQdwEvVj4lyCF8mAXyuHGy7C7HTxXH5gTXpNCq4OmiPW5Sy7td4fOPvrvSTHaadeU = X-Gm-Gg: ASbGnctXKCEqm1Ni4yYi/X4rbA1H5gD9YgkKqVCrZSr7iFPcuzWJXqQmYKO+8LpKlXM e800IoldQBUqJT9XXKfFshy4MtIMxbWgIvBBjiNwk/z9VTV9+sOfn56V3E2+k/IyK8ESJobk3EZ WlFblOlyPpTqgL8dhDT/bkuX1o7UauagcCtL7a1dj/C7G6+bP0mAq8xw6q4xXbWzxR8hUzhYZWY FcXXC5BC/1qtn9HEAOc4+hXLt8XPeK7IJPScJzJCxPXxcrXpNnCqGZnwm3DBGN7wxqvuWfecPSV 6l5Gi5WvXCs= X-Google-Smtp-Source: AGHT+IGXLrm2Zeb+YOip79lBHtV6Oei1zEaw5/7olzWQtmQwjkDDytMgSYGohxTLIEGcYQKj4RJvMw== X-Received: by 2002:a05:6a20:43ac:b0:1e1:e2d8:fd4a with SMTP id adf61e73a8af0-1e5e1e04618mr19255246637.5.1734953741913; Mon, 23 Dec 2024 03:35:41 -0800 (PST) Received: from smtpclient.apple ([2405:201:d019:c0ce:2968:3ccd:ebfa:8faa]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72aad8fd7afsm7620945b3a.139.2024.12.23.03.35.40 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 Dec 2024 03:35:41 -0800 (PST) From: Himanshu Chauhan Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: FreeBSD on the RISC-V instruction set architecture List-Archive: https://lists.freebsd.org/archives/freebsd-riscv List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-riscv@freebsd.org Sender: owner-freebsd-riscv@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.300.87.4.3\)) Subject: Re: Definition of the CSRs Date: Mon, 23 Dec 2024 17:05:09 +0530 References: <82D14A27-E9E6-4544-A00E-91BA71BA6C8B@thechauhan.dev> To: freebsd-riscv@freebsd.org In-Reply-To: <82D14A27-E9E6-4544-A00E-91BA71BA6C8B@thechauhan.dev> Message-Id: X-Mailer: Apple Mail (2.3826.300.87.4.3) X-Spamd-Result: default: False [-1.80 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_SPF_FAIL(1.00)[-all]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.997]; MV_CASE(0.50)[]; R_DKIM_ALLOW(-0.20)[thechauhan.dev:s=google]; MIME_GOOD(-0.10)[text/plain]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[thechauhan.dev]; MLMMJ_DEST(0.00)[freebsd-riscv@freebsd.org]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::430:from]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-riscv@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_LAST(0.00)[]; DKIM_TRACE(0.00)[thechauhan.dev:+] X-Rspamd-Queue-Id: 4YGwv32vm0z4M4Q X-Spamd-Bar: - > On 23 Dec 2024, at 16:55, Himanshu Chauhan = wrote: >=20 > Hi, >=20 > I see the following in the code: >=20 > csr_read(sstatus) > csr_read(stval) >=20 > But I can=E2=80=99t figure out where these sstatus and stval are = defined. I want to define CSRs for IMSIC. I am using hard coded values = for now but want to get rid of them. How can I do that? >=20 Something like this in my C file works okay: #define IMSIC_CSR_SISELECT 0x150=20 #define IMSIC_CSR_SIREG 0x151 #define IMSIC_CSR_STOPEI 0x15c=20 #define IMSIC_CSR_STOPI 0xdb0 #ifdef DECLARE_CSR =20 DECLARE_CSR(siselect, IMSIC_SISELCT) DECLARE_CSR(sireg, IMSIC_SIREG) =20 DECLARE_CSR(stopei, IMSIC_STOPEI) DECLARE_CSR(stopi, IMSIC_STOPI) #endif Is this the right way to do it? > Regards > Himanshu >=20