From patchwork Thu Jul 21 18:12:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Atish Kumar Patra X-Patchwork-Id: 12925673 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 02CC6C43334 for ; Thu, 21 Jul 2022 18:12:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QKEpZ6PXCIIn/xfVSOOYu2Hf+Xt5gQXxKjfifTE64BY=; b=W9Wc/OeqRquNWu OMz8jk6UwoYVNUc++Cc8+MvJpFM1kKumFpGU7QEY0gEJJUhGbkU+MgllhYflPDnruUzrAJLxmGC6g co5dGNJkytN63Wzb8zYZfnsNtSNdw/vaqEoN2Z0w9jEi6WOX/M7dbye6neWPPyLkSs8KAawdvVKWu zkVmrsEYJcXW60veDIwmp/64iQRdJZ1ONgEWJ1oNIv3qE7Rvu/72Sd63a29G7nZ6jSHbWAZlnJZyx xHFrhvP393KYYuwRKu3RoV/3K9PlatX4gPGYP2QXUQlrQUVWMWHXdhcTs27xrEP7lWDujdqYAjkSC JEV8rtCUUs+yTCoqeojQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oEaf5-00BHqR-5t; Thu, 21 Jul 2022 18:12:35 +0000 Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oEaf1-00BHiO-1x for linux-riscv@lists.infradead.org; Thu, 21 Jul 2022 18:12:32 +0000 Received: by mail-pl1-x62c.google.com with SMTP id f11so2567168plr.4 for ; Thu, 21 Jul 2022 11:12:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Z3XlA8t9TDZtl4uJYv9cJwWL/SPmBlhXJhsAi+NFr/o=; b=GtaROVH6xLNFe7Zt86i4dGHacmXliXAJ+jJ5NtiNtpXOdKGq5Wi/W1tWudXPPjPhn1 m0WFChGHEZMBukYbZ0DoyDoddePkAohw06EUPzmYlwXgyflgQhLTz9TrabJUWdOUdxcW W79guXjajscHP2hNeVNzaGsNRDHU7Sl4Rb4VTOx2toedbRxGUqxFJ6k78dj+rRdWJZqK 1mFREVmwu4rxsebqhPXl+4Djtv52pG55bPaACi70S/EfuIEaQGytAnpq9FB+gpozzpTu dPyyrXSrZTSR4lKIpiHSm4j1S2Ts66ARlqhSCx4XdtyCnn55BoUwMKnYcXb+rx7LSRuk JvAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Z3XlA8t9TDZtl4uJYv9cJwWL/SPmBlhXJhsAi+NFr/o=; b=HmWjGxWJunGtRJYooLtuCxY6uEuZ6oJ6xb6vOVrJoYMoUIrlJBPnGjbBoFOlsFxrDn bTLXCR/mNOt62pgFEDD3zGn+prJJpDFQpvz4uPidFgWfflPXHAwaQMTonyzvCLERB2Wn uJRvfAayalE2jtWXptH4Zb5zw2s6J3SH0HwrD5jgR63mf7B4c+B771LcJJkwtiMkufDW 855HJZxGj+JMrTsDimMIR1LVy3sUSO9idzUXBNYk1oI5bDG18I67B2dD0fl+xgJlC9AV 2CoH1vFtOg1XDF69bl42VDARmKUxSRWnXtsEO2YtlAiMIvUWlnCYOnjbJ3kpbC+WU4uH RviA== X-Gm-Message-State: AJIora/QZbqIO0bSTZiumVONpto/hW1i1DbMvNSWZPDhITBS7mAqrQGM 2WXjTALhgz60PkPIS+o6LY91Gw== X-Google-Smtp-Source: AGRyM1sLmCNHB6ZRJMx1svZh7gpfJhld21Y8gtdIzvTWghKGcfXD4XoqTqvJKRLL+Of38AF1zX9oXw== X-Received: by 2002:a17:902:e841:b0:16c:3053:c7e6 with SMTP id t1-20020a170902e84100b0016c3053c7e6mr44852245plg.163.1658427144286; Thu, 21 Jul 2022 11:12:24 -0700 (PDT) Received: from atishp.ba.rivosinc.com ([66.220.2.162]) by smtp.gmail.com with ESMTPSA id b12-20020a1709027e0c00b0016d3a354cffsm617358plm.89.2022.07.21.11.12.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Jul 2022 11:12:24 -0700 (PDT) From: Atish Patra To: linux-kernel@vger.kernel.org Cc: Atish Patra , Anup Patel , Albert Ou , Atish Patra , Daniel Lezcano , Guo Ren , Heiko Stuebner , kvm-riscv@lists.infradead.org, kvm@vger.kernel.org, linux-riscv@lists.infradead.org, Palmer Dabbelt , Paolo Bonzini , Paul Walmsley , Thomas Gleixner , Tsukasa OI , Wei Fu Subject: [PATCH v6 1/4] RISC-V: Add SSTC extension CSR details Date: Thu, 21 Jul 2022 11:12:09 -0700 Message-Id: <20220721181212.3705138-2-atishp@rivosinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220721181212.3705138-1-atishp@rivosinc.com> References: <20220721181212.3705138-1-atishp@rivosinc.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220721_111231_117165_E8C328AD X-CRM114-Status: UNSURE ( 8.42 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org This patch just introduces the required CSR fields related to the SSTC extension. Reviewed-by: Anup Patel Signed-off-by: Atish Patra --- arch/riscv/include/asm/csr.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h index 17516afc389a..0e571f6483d9 100644 --- a/arch/riscv/include/asm/csr.h +++ b/arch/riscv/include/asm/csr.h @@ -247,6 +247,9 @@ #define CSR_SIP 0x144 #define CSR_SATP 0x180 +#define CSR_STIMECMP 0x14D +#define CSR_STIMECMPH 0x15D + #define CSR_VSSTATUS 0x200 #define CSR_VSIE 0x204 #define CSR_VSTVEC 0x205 @@ -256,6 +259,8 @@ #define CSR_VSTVAL 0x243 #define CSR_VSIP 0x244 #define CSR_VSATP 0x280 +#define CSR_VSTIMECMP 0x24D +#define CSR_VSTIMECMPH 0x25D #define CSR_HSTATUS 0x600 #define CSR_HEDELEG 0x602