From patchwork Fri Aug 16 17:09:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 13766670 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 10E71C531DC for ; Fri, 16 Aug 2024 17:12:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sf0TO-0006wl-3E; Fri, 16 Aug 2024 13:10:46 -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 1sf0TF-0005oH-Bx for qemu-devel@nongnu.org; Fri, 16 Aug 2024 13:10:38 -0400 Received: from mail-pj1-x1030.google.com ([2607:f8b0:4864:20::1030]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sf0TD-0007PG-Hs for qemu-devel@nongnu.org; Fri, 16 Aug 2024 13:10:37 -0400 Received: by mail-pj1-x1030.google.com with SMTP id 98e67ed59e1d1-2d3da6d3f22so1120266a91.0 for ; Fri, 16 Aug 2024 10:10:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1723828234; x=1724433034; 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=voYN43OZ7lwbwneNl7z2eHNOhROV9NjNWmAvKPq1wXw=; b=Bwr5tsRHaP1rDZlSAjqhBlkRm4QYENyrEq7xaUqNC8qlxZ1V50eefoqWjB9gJbBkS2 PEb+Mm1QWg49f4yDGwkgS3ltmjwmOJUqkEYOJL5JCmDM8eT5U5AtA6OFc+93xy46wNR4 olF0oyDFaxHTMmGh4Fv6+cQqWLhf9Udr0GSl7/9fWaReInvjfdfx5xmR4f8ecjgVufdc 6P6hfIt3KAmJ4x6Nv8bz3Bpfls5R6lZAhWr818zIzScVBF7Jpwhyo9RhqbN3poD6go+r 2eOx8e2wBgK2sCCt03QgQW0SCwnWroelFKuZHTGPkh4vAHrgibbIy90dvDkjv1P4Ekgt zQtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723828234; x=1724433034; 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=voYN43OZ7lwbwneNl7z2eHNOhROV9NjNWmAvKPq1wXw=; b=ah3gORcb072Lm6eRlxeWOXsD5kLvu9fQX2lJpWlM1n9vn7zuAzncMOBKjVcYFK8ytQ eLI+ji1yqZ0O8eyw70fS8I5DWNFaDIg9gjvxLXc79QLhlG81GCThyXl1CK8uNibevT29 Bez7MWp1zXf7juTV/UcdKzUuncKIGVEZnbZaNXKdS5ekhSUeSejx8kdRJ95w9xrz9tGa +rUqzfKfljXhvX/jcWjBh+/m12RPKjVf6JK7FEEmQ00NwsKqdEVoRcnaybyEAQd29nqv /IOZW76ENB/0Qgj00DepjEiGYKIi54p73gl3PM1bFhLYtHV/VMe4CCu7fCJyxg4xPVfC N3Pw== X-Gm-Message-State: AOJu0YyVaM2mFY7VJZouiF28D7bw0hwv4RB0818LcmqmeTiy+XOpKOcI E+erel7fCRR+tCTmSqPa3xDiFA5jic3+GxAL5QNAsx5NHO3xUS3XGadUmxE9H54= X-Google-Smtp-Source: AGHT+IEepZWVLGfzOcgKQMY7jQfVT782qm+Ez4NCoSavpuxxgQtzaoFOlSwbJ77bOUiLpVLczI4c2A== X-Received: by 2002:a17:90b:ed0:b0:2d3:9137:2375 with SMTP id 98e67ed59e1d1-2d3dfdaadc6mr3982487a91.4.1723828233877; Fri, 16 Aug 2024 10:10:33 -0700 (PDT) Received: from localhost.localdomain (121-45-122-195.tpgi.com.au. [121.45.122.195]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d3ac7ca33dsm5988407a91.6.2024.08.16.10.10.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Aug 2024 10:10:33 -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 v2 13/17] bsd-user: Define RISC-V signal handling structures and constants Date: Sat, 17 Aug 2024 03:09:45 +1000 Message-Id: <20240816170949.238511-14-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240816170949.238511-1-itachis@FreeBSD.org> References: <20240816170949.238511-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1030; envelope-from=itachis6234@gmail.com; helo=mail-pj1-x1030.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 definitions for RISC-V signal handling, including structures and constants for managing signal frames and context Signed-off-by: Mark Corbin Signed-off-by: Ajeet Singh Co-authored-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/riscv/target_arch_signal.h | 75 +++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 bsd-user/riscv/target_arch_signal.h diff --git a/bsd-user/riscv/target_arch_signal.h b/bsd-user/riscv/target_arch_signal.h new file mode 100644 index 0000000000..1a634b865b --- /dev/null +++ b/bsd-user/riscv/target_arch_signal.h @@ -0,0 +1,75 @@ +/* + * RISC-V signal definitions + * + * Copyright (c) 2019 Mark Corbin + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef TARGET_ARCH_SIGNAL_H +#define TARGET_ARCH_SIGNAL_H + +#include "cpu.h" + + +#define TARGET_INSN_SIZE 4 /* riscv instruction size */ + +/* Size of the signal trampoline code placed on the stack. */ +#define TARGET_SZSIGCODE ((abi_ulong)(7 * TARGET_INSN_SIZE)) + +/* Compare with riscv/include/_limits.h */ +#define TARGET_MINSIGSTKSZ (1024 * 4) +#define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) + +struct target_gpregs { + uint64_t gp_ra; + uint64_t gp_sp; + uint64_t gp_gp; + uint64_t gp_tp; + uint64_t gp_t[7]; + uint64_t gp_s[12]; + uint64_t gp_a[8]; + uint64_t gp_sepc; + uint64_t gp_sstatus; +}; + +struct target_fpregs { + uint64_t fp_x[32][2]; + uint64_t fp_fcsr; + uint32_t fp_flags; + uint32_t pad; +}; + +typedef struct target_mcontext { + struct target_gpregs mc_gpregs; + struct target_fpregs mc_fpregs; + uint32_t mc_flags; +#define TARGET_MC_FP_VALID 0x01 + uint32_t mc_pad; + uint64_t mc_spare[8]; +} target_mcontext_t; + +#define TARGET_MCONTEXT_SIZE 864 +#define TARGET_UCONTEXT_SIZE 936 + +#include "target_os_ucontext.h" + +struct target_sigframe { + target_ucontext_t sf_uc; /* = *sf_uncontext */ + target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/ +}; + +#define TARGET_SIGSTACK_ALIGN 16 + +#endif /* TARGET_ARCH_SIGNAL_H */