Message ID | 1544520901-31558-22-git-send-email-bmeng.cn@gmail.com |
---|---|
State | Superseded |
Delegated to: | Andes |
Headers | show
Return-Path: <u-boot-bounces@lists.denx.de> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="tYAGcEzy"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 43DZk22fTsz9s3l for <incoming@patchwork.ozlabs.org>; Tue, 11 Dec 2018 20:42:50 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id D8E27C22655; Tue, 11 Dec 2018 09:34:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id DA40BC22547; Tue, 11 Dec 2018 09:31:05 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 54375C226CD; Tue, 11 Dec 2018 09:30:32 +0000 (UTC) Received: from mail-pg1-f195.google.com (mail-pg1-f195.google.com [209.85.215.195]) by lists.denx.de (Postfix) with ESMTPS id 47000C22634 for <u-boot@lists.denx.de>; Tue, 11 Dec 2018 09:30:28 +0000 (UTC) Received: by mail-pg1-f195.google.com with SMTP id w6so6370740pgl.6 for <u-boot@lists.denx.de>; Tue, 11 Dec 2018 01:30:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references; bh=4abFoezZyVAlzGulsXo2VTuL3Kmp+xp50fH+seiddbw=; b=tYAGcEzy7HcAXg6ks9udLnSY32fEzxjQ2+ECXm2o0uip+WSQ6AbsqD2oyphO0jXdEx zWM2/wl1AOXE4uQ/KvCJi3KUOyYaOgkwXtQJDRUrNeWWT+Eh5jn50bZZ2jdW8z0KTuoW E7kHA4ldFY3VzW0/QC9QD7gYggH2VEfpCk5XbE9f5xfEDXY1iJO2/yqoSeNAqOdqxJSI BBVEiej2eCHc/21eOJPLSB/ixmp1sknR1kg8LRhYjuKnaDCc/445HEZ/LDNI4UGYpTvi 2axmVp31TyoDpY3rXSSa1Qwhpie09K9K5AoETicn376vP2Py9cdq6bBKdqgtdx/dA1wX k4Bg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=4abFoezZyVAlzGulsXo2VTuL3Kmp+xp50fH+seiddbw=; b=TYUCQJFV7oiN/JRQTHy1B9VSw8+VVL3ACGt+KnX4NxAelHZ0UcC6GaTC/V5ENxHw2b HrFT9EvzjoW2gvIsdGGo5z7V5L2Bv0xfSCCOyTR3Bv9PdTB2Kk0CvWiQgl3eyU/CluNR +DtUrdiDoEP8pHFKbbRpPKLr3mC1Sqf7t1pDo8kTOSXB9I9s9meurGXdqxaUhNYGj2Mg JXKWNUG+JGDRjtdZja69iT2WiT7MtUtyVDXCPP23ngu1HveYgXNjOeYJoCn7R7VgOKK2 IGQMTBj3TZ6nErZFP7N3CsDFNN1Lrz/FZGBZfMGHTgJ5zuw0GCNBjljPitinySTKFTAK BteQ== X-Gm-Message-State: AA+aEWYUx2s3XwlmAJ2mkNcy00JR0shE6p/qPE8e4CdYzDAJmKJhZN+/ MYmzOMaCe7y64LX/LukmNog= X-Google-Smtp-Source: AFSGD/XnLqGSRnhyeePNo8W7dWThm9UKBjUnUJXgvYhsB77xMI/rtozUvPRbacON55GUZOopQVaYQA== X-Received: by 2002:a62:345:: with SMTP id 66mr15529973pfd.189.1544520626974; Tue, 11 Dec 2018 01:30:26 -0800 (PST) Received: from ala-d2121-lx1.wrs.com (unknown-156-139.windriver.com. [147.11.156.139]) by smtp.gmail.com with ESMTPSA id n66sm21916129pfk.19.2018.12.11.01.30.25 (version=TLS1_1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 11 Dec 2018 01:30:26 -0800 (PST) From: Bin Meng <bmeng.cn@gmail.com> To: Rick Chen <rick@andestech.com>, Simon Glass <sjg@chromium.org>, Lukas Auer <lukas.auer@aisec.fraunhofer.de>, Anup Patel <anup@brainfault.org>, U-Boot Mailing List <u-boot@lists.denx.de> Date: Tue, 11 Dec 2018 01:34:57 -0800 Message-Id: <1544520901-31558-22-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1544520901-31558-1-git-send-email-bmeng.cn@gmail.com> References: <1544520901-31558-1-git-send-email-bmeng.cn@gmail.com> Subject: [U-Boot] [PATCH v3 21/25] riscv: Return to previous privilege level after trap handling X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion <u-boot.lists.denx.de> List-Unsubscribe: <https://lists.denx.de/options/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=unsubscribe> List-Archive: <http://lists.denx.de/pipermail/u-boot/> List-Post: <mailto:u-boot@lists.denx.de> List-Help: <mailto:u-boot-request@lists.denx.de?subject=help> List-Subscribe: <https://lists.denx.de/listinfo/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=subscribe> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> |
Series |
riscv: Adding RISC-V CPU and timer driver
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diff --git a/arch/riscv/cpu/mtrap.S b/arch/riscv/cpu/mtrap.S index da307e4..407ecfa 100644 --- a/arch/riscv/cpu/mtrap.S +++ b/arch/riscv/cpu/mtrap.S @@ -68,14 +68,6 @@ trap_entry: jal handle_trap csrw MODE_PREFIX(epc), a0 -#ifdef CONFIG_RISCV_SMODE - /* Remain in S-mode after sret */ - li t0, SSTATUS_SPP -#else - /* Remain in M-mode after mret */ - li t0, MSTATUS_MPP -#endif - csrs MODE_PREFIX(status), t0 LREG x1, 1 * REGBYTES(sp) LREG x3, 3 * REGBYTES(sp) LREG x4, 4 * REGBYTES(sp)