From patchwork Wed Aug 28 09:52:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 13781028 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 44691C5479A for ; Wed, 28 Aug 2024 09:57:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sjFMZ-0002Gl-4a; Wed, 28 Aug 2024 05:53:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sjFMQ-0001wv-Q7 for qemu-devel@nongnu.org; Wed, 28 Aug 2024 05:53:07 -0400 Received: from mail-oo1-xc34.google.com ([2607:f8b0:4864:20::c34]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sjFMN-0001o9-5u for qemu-devel@nongnu.org; Wed, 28 Aug 2024 05:53:05 -0400 Received: by mail-oo1-xc34.google.com with SMTP id 006d021491bc7-5dcd8403656so3324196eaf.1 for ; Wed, 28 Aug 2024 02:53:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724838781; x=1725443581; darn=nongnu.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=T71bAWZ5le2Naj8DZ0ljjvL8S+u/egKAPUIr3/tluJ8=; b=NZTs+2EUVNqwBJ1RC8t1MOPCEz3GYbOeqQQvc4UKtHWLksPZjHgh6m9A6Dz8btDyYX lhT3joER4YcN8tS3niwM3Lj433QpOjrkZBVpOCB67cXBvCncy5B6P4LzVhf6z5aBjwSI 9HDOYiQl7TGd+0c22BDknHZYjkzsWIrOEFtQ3reK4LNntirpjkejM7Fmoi3QKljsV989 wDAoT9A8p67VX5/GOKO0u85i2CCCI4rMAEESlIYMIfd6AOQxRIWHw44kCtnWqWhBwISM UZKR0xXX8EvUrbYf8cRTmiwKvI74hHP1Pr/+Gf22dgBsJ8Q7n6UKjQECn1XcZLeylSwN XvOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724838781; x=1725443581; 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=T71bAWZ5le2Naj8DZ0ljjvL8S+u/egKAPUIr3/tluJ8=; b=C/lIhaJZAo5ww+jZ8P2/PML+ILKk63wCKfaau+6stJrAZTU34gD8T8bSBIuIZ+Nvx4 CH/UyxdAxRyhC4IOKXsT1r/2z6GUy5Bro/gFJlpi/kiUeG8wh5LDGBlpBtOGtaOQmDyx be6DvF967YbVzV7yJsarUbCwDVqtYlLVG1O++9kTC7tR5pfLnw8cNeOBdEJzDWK360Tt hs/L2Yvx976YOwMdj/RDfUHPUJmp9mcb9FXxp+RjBi3BoUdoK73jp92e3CcTx3XDS/aO j71Cr08ZHKMLbYhN+Q4cE0lY/zSEOZPP7AmlqNVCxTrvDePg3V4gsZIfB/3jLdTL/Jke rZTw== X-Gm-Message-State: AOJu0Yya+7g2jvJH9ha+NJpJc4zGB71GbMU+FHoUyky00mxHfmd2roaL wvMyrCSqu5IvvFiKdyOBO7oNpQsQOH529WFGdW0CqFAIHVosHf6aROvDwWef X-Google-Smtp-Source: AGHT+IH4OD8zAfPcwO53guP+mNee6d6qN8ggHvB5WTMqp92jh4ZTGGGSlERXbhhlQrsS0DBfHwEUzQ== X-Received: by 2002:a05:6358:109:b0:1ac:f2a5:e79e with SMTP id e5c5f4694b2df-1b5c215c92bmr1934193155d.16.1724838781428; Wed, 28 Aug 2024 02:53:01 -0700 (PDT) Received: from localhost.localdomain ([220.253.126.131]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7143430f6e7sm9787508b3a.160.2024.08.28.02.52.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Aug 2024 02:53:01 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Mark Corbin , Warner Losh , Ajeet Singh , Richard Henderson Subject: [PATCH v4 03/17] bsd-user: Implement RISC-V CPU register cloning and reset functions Date: Wed, 28 Aug 2024 19:52:29 +1000 Message-Id: <20240828095243.90491-4-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240828095243.90491-1-itachis@FreeBSD.org> References: <20240828095243.90491-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::c34; envelope-from=itachis6234@gmail.com; helo=mail-oo1-xc34.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Mark Corbin Added functions for cloning CPU registers and resetting the CPU state for RISC-V architecture. Signed-off-by: Mark Corbin Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/riscv/target_arch_cpu.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/bsd-user/riscv/target_arch_cpu.h b/bsd-user/riscv/target_arch_cpu.h index ba589909e2..b1575aab20 100644 --- a/bsd-user/riscv/target_arch_cpu.h +++ b/bsd-user/riscv/target_arch_cpu.h @@ -130,4 +130,18 @@ static inline void target_cpu_loop(CPURISCVState *env) } } +static inline void target_cpu_clone_regs(CPURISCVState *env, target_ulong newsp) +{ + if (newsp) { + env->gpr[xSP] = newsp; + } + + env->gpr[xA0] = 0; + env->gpr[xT0] = 0; +} + +static inline void target_cpu_reset(CPUArchState *env) +{ +} + #endif /* TARGET_ARCH_CPU_H */