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[115.64.160.35]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20710f1d4c6sm1703745ad.187.2024.09.06.20.20.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Sep 2024 20:20:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1725679204; x=1726284004; 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=j1rAVeYr0tFqcYyeW/At05ZyyNj3ldetPuRwGZz4HMAi9dTKNVH24/EH34qkXcHx2v 9pWVq3iSBmIMFgU+PtPEj1QN8IkLanKKqDpU/NrmnaD55PAW189vTK9uZD6nNKwTM81p 9YcL2gP7HEuZ02Zz3OyK/TvWtc3eOsXcTGRHA0NttcQvLPnv/9hcgaWDd9dflpReXR1Y /AWQGL1Aid3gkmIty2CDP+s2ywxdPp+XFnFSqoqmqiteFVtMKwzJgDGx4PpiZ5S4iDFY 38AYNTBUcEkHRdBN8TVxiDG0b3p8QuQC2q6mg7R5AHwhyjZ1QdS1YJmlq/vVy0MbC4RW Cb3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725679204; x=1726284004; 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=AgXXDC8bdb7fkAgyHygcK2eBvptx4Kx1LKV8WA4li2UFQ//yAgy3TmU0Cu7boYZ66X DXPjYV4cBnGKDoc/5e583KlS3ptzqNLNPVMdd4DbfJ48mycrp1/AJvK0A8zpjkOExOGq Dx+29BvDUbfXLSs0kz/IoLFpB4hWYLrmJYcvYWtqXE4mF6qBljPpwxiHdhxZJXEpF1m8 C9oj4zldZ8p2cqzOKKynOVoiMavSs8mQvTrQRuk02LzSngGUsPHqrWzQSJZ1pdXcdvGQ C+tqYifurYKB6bx9sYSh0+4JIDlNc0Tf3hb8RbAVtnLFg7adQmLF9hzFbvaQkbAWrviF +zZw== X-Gm-Message-State: AOJu0Yz917Tp8vWAvzt1Gm2el8AfoNdzP0X1e6RV/2Tu2GI42cZcCZ84 0pVZG5f1NukSuxCoaRl1LjvS/n4sqgyJZ37LrbYZPR1JSeyyRmIzLQdp+g== X-Google-Smtp-Source: AGHT+IHgL8LXtdHFAiqGBdj0bHsGt1p2NW3DT98vzodiC9Q3OWvlm4DcMeOmIgCnqIBTonBzc/ZcnQ== X-Received: by 2002:a05:6a20:d50b:b0:1ca:db51:85df with SMTP id adf61e73a8af0-1cf1d05cc9dmr4755661637.8.1725679203823; Fri, 06 Sep 2024 20:20:03 -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 v5 10/17] bsd-user: Define RISC-V VM parameters and helper functions Date: Sat, 7 Sep 2024 13:19:20 +1000 Message-Id: <20240907031927.1908-11-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240907031927.1908-1-itachis@FreeBSD.org> References: <20240907031927.1908-1-itachis@FreeBSD.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1725679657441116600 Content-Type: text/plain; charset="utf-8" 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_a= rch_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 limi= t */ +#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] =3D retval2; +} + +static inline abi_ulong get_second_rval(CPURISCVState *state) +{ + return state->gpr[xA1]; +} + +#endif /* TARGET_ARCH_VMPARAM_H */ --=20 2.34.1