From patchwork Thu Sep 12 05:29:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 13801408 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 2E9C9EE644E for ; Thu, 12 Sep 2024 05:43:06 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1socR8-00081R-UC; Thu, 12 Sep 2024 01:32:11 -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 1socQt-0006Al-Ll for qemu-devel@nongnu.org; Thu, 12 Sep 2024 01:31:55 -0400 Received: from mail-pf1-x433.google.com ([2607:f8b0:4864:20::433]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1socQr-00039i-OO for qemu-devel@nongnu.org; Thu, 12 Sep 2024 01:31:55 -0400 Received: by mail-pf1-x433.google.com with SMTP id d2e1a72fcca58-71798661a52so408076b3a.0 for ; Wed, 11 Sep 2024 22:31:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1726119112; x=1726723912; 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=/0zFg4BSTwNx23YXwcuWcDUOiXr3L+CnToybFG8Q9/0=; b=Np4zR3ueQiKn28+a4JF16eC3O6xq8zTPqHWzDY+djVbCHuoyjEkOJSCe108RlYpV8T 2Kb3tycxfZa1zZZZCfc0KA4TZ8oVXREUFB3jPBkBbQUmW2EXUkeNDoz/VyiDt7d4zVYF 5AdhmKlZ+DNtEZn045n1WJqUHOJ0qUGsUze16ob5RrdMD+3SPQLoMWvgVopVGBtIwuoF XtdnEFRt+cRvOTZPEF9HMxMuyy45HxTbjY+1OWke3Pa2eaXld19aCVtdRZdiExV9GvbU Wzoei9CnOQ/CMJ+MGzo1W+omfLnQ+OB61fwCqT/GWEYwLK9PwA4kSBCGOmS/SwUGOMEP NIMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726119112; x=1726723912; 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=/0zFg4BSTwNx23YXwcuWcDUOiXr3L+CnToybFG8Q9/0=; b=IIhq8n4a+p6K2IzfpS20q3skqY560IeB3dOec8PN5WTdekZmUQK3WaL9f9tORvnntE g5oLj408RH8B4ysKpef97UKBcC+U4w8vRLlDmXy1AA9ov1O7dDY4O6lz18ew0sbaMOc7 aak7umkiN8NgRz0fsqRxPn2BPKYlX9DAS7/5zEGPOeMf9kvw28/GV8xpZUNgAMrZGEUS YByYaWS7zZo4K1cwapSRUgvuElUq7fxBFofI0LU0sIfdB5d49g/8WkxMKXZFosiUREp/ SLu4D54S4n62cYFXtYtd1Ji+6SuXNMrznkZoj2zOltjICkw/QZ77YPO0MQagT3gxwiw0 2RjQ== X-Gm-Message-State: AOJu0YwGh7KoA4aUHc3f3JvC6Z7k4rrkwwbjzk808IzCWCxIyG/i0nJF IHtnrFC9AQOcVI+DIYRH0zKoF3ORUzGP6HZrgpl9DbJGUB4wguqub9CQJw== X-Google-Smtp-Source: AGHT+IGUMS4qPyLS3tw7iI+P2ToT0GUS5jMurzfsYMe0uj7VpqpClgRy+zwZ2daqSgeS1Ryq/Emu/w== X-Received: by 2002:a05:6a00:17a7:b0:708:41c4:8849 with SMTP id d2e1a72fcca58-7192643cd9cmr2439478b3a.9.1726119111844; Wed, 11 Sep 2024 22:31:51 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71908fc8fdesm3833034b3a.1.2024.09.11.22.31.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2024 22:31:51 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Mark Corbin , Ajeet Singh , Richard Henderson , Alistair Francis Subject: [PULL 35/47] bsd-user: Define RISC-V VM parameters and helper functions Date: Thu, 12 Sep 2024 15:29:40 +1000 Message-ID: <20240912052953.2552501-36-alistair.francis@wdc.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240912052953.2552501-1-alistair.francis@wdc.com> References: <20240912052953.2552501-1-alistair.francis@wdc.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::433; envelope-from=alistair23@gmail.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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 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 Message-ID: <20240907031927.1908-11-itachis@FreeBSD.org> Signed-off-by: Alistair Francis --- 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 */