From patchwork Sat Aug 24 04:56:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 13776307 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 B8C72C52D6F for ; Sat, 24 Aug 2024 04:58:21 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1shiq0-0007NK-PP; Sat, 24 Aug 2024 00:57:20 -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 1shipy-0007Ft-UU for qemu-devel@nongnu.org; Sat, 24 Aug 2024 00:57:18 -0400 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1shipx-0002H3-2i for qemu-devel@nongnu.org; Sat, 24 Aug 2024 00:57:18 -0400 Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-7142448aaf9so1856069b3a.1 for ; Fri, 23 Aug 2024 21:57:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724475435; x=1725080235; 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=BISuETtEj/uI6CddQsRG+h5xaQo8IxKpbRWv0bTNq7U=; b=ictB9zrGVnf2Dw9yXd5hCrC4nJRFbJXYLEpqtD16KIcrSfHbIY/cv4G80syY0r+nky Pprqf4YJMygxocqwDuVnYJc+2+wvojF+i9NR7gX3WQE6Doz7cb4bu69B3ONp/aGi0OQs +nAnhDe4w2lZ8mhSALWE/BOd8AQX9lMhzfs4wvP7HETijlT1uYaFIxhHSsx61LXJ8bs1 2PDCV0PT9Npnw1bQ1FC0xsrTaW8DhAtOi9Uc7dEqbqgvMHLgjZYKdzAwo1DZtysRSmGn JWXRQdG15UjVEybChU0wSSpHbEa0rR/LL6oq4q9ynPr0jvstpj1F64tTDqdTgPlJBUZI zX0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724475435; x=1725080235; 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=BISuETtEj/uI6CddQsRG+h5xaQo8IxKpbRWv0bTNq7U=; b=jMd2DKY8p8CznxCx2DDdzywTR5+98wYpmRR5mgjXvrisT2ELXL+DNKJKKTLdok1VnE ltcYJ70C013N3DzHLT7rCjxrNTpxKG+NPB0R/80PMo2UGAYzPgyNynmQTNg2W6Sgckjk hJh8pG4pBO45iScBkHr0pBbhY87PDZmiCkZTvWmTbxcaTH4YKWPNEn3kWq72+3ZletzN EqIcva1mq0274vo47oORaM55w2SVzVNwFnTkldg4vhj92wqaaDOOyrV8lhJaLIrzvOSe HI9qB2m4NYpukhQsrQnhtnbZ5DTqEjeuOoIajaLN/61CLZRdzjshSFx4q/vFz/Cw+uht lpoQ== X-Gm-Message-State: AOJu0YxmbdKsBHnegME1PpAxRZO+YvVSlssnHCwuys/INFO28YEKz3La hXnLl/cRj2/Vs/VOlUp/lfoR8OX7GdEPFPiKFe+iv33lvCZGyTbj1QxjYrtNtCM= X-Google-Smtp-Source: AGHT+IHSiQOiOe0f0SHqwKimEgHPHAzUWZaQ0rlpI/31PLNRYgzJUXIoOV/TlJ9t38EK/mkvh5mLKA== X-Received: by 2002:aa7:8244:0:b0:710:d294:a2b with SMTP id d2e1a72fcca58-7143176773amr13919289b3a.8.1724475435260; Fri, 23 Aug 2024 21:57:15 -0700 (PDT) Received: from localhost.localdomain ([220.253.126.131]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7143422ecedsm3805934b3a.25.2024.08.23.21.57.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Aug 2024 21:57:14 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Mark Corbin , Ajeet Singh , Richard Henderson Subject: [PATCH v3 10/17] bsd-user: Define RISC-V VM parameters and helper functions Date: Sat, 24 Aug 2024 14:56:28 +1000 Message-Id: <20240824045635.8978-11-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240824045635.8978-1-itachis@FreeBSD.org> References: <20240824045635.8978-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42a; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42a.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 VM parameters, including maximum and default sizes for text, data, and stack, as well as address space limits. Implemented helper functions for retrieving and setting specific values in the CPU state, such as stack pointer and return values. Signed-off-by: Mark Corbin Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/riscv/target_arch_vmparam.h | 53 ++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 bsd-user/riscv/target_arch_vmparam.h diff --git a/bsd-user/riscv/target_arch_vmparam.h b/bsd-user/riscv/target_arch_vmparam.h new file mode 100644 index 0000000000..0f2486def1 --- /dev/null +++ b/bsd-user/riscv/target_arch_vmparam.h @@ -0,0 +1,53 @@ +/* + * RISC-V VM parameters 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_VMPARAM_H +#define TARGET_ARCH_VMPARAM_H + +#include "cpu.h" + +/* Compare with riscv/include/vmparam.h */ +#define TARGET_MAXTSIZ (1 * GiB) /* max text size */ +#define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */ +#define TARGET_MAXDSIZ (1 * GiB) /* max data size */ +#define TARGET_DFLSSIZ (128 * MiB) /* initial stack size limit */ +#define TARGET_MAXSSIZ (1 * GiB) /* max stack size */ +#define TARGET_SGROWSIZ (128 * KiB) /* amount to grow stack */ + +#define TARGET_VM_MINUSER_ADDRESS (0x0000000000000000UL) +#define TARGET_VM_MAXUSER_ADDRESS (0x0000004000000000UL) + +#define TARGET_USRSTACK (TARGET_VM_MAXUSER_ADDRESS - TARGET_PAGE_SIZE) + +static inline abi_ulong get_sp_from_cpustate(CPURISCVState *state) +{ + return state->gpr[xSP]; +} + +static inline void set_second_rval(CPURISCVState *state, abi_ulong retval2) +{ + state->gpr[xA1] = retval2; +} + +static inline abi_ulong get_second_rval(CPURISCVState *state) +{ + return state->gpr[xA1]; +} + +#endif /* TARGET_ARCH_VMPARAM_H */