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[121.45.122.195]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d3ac7ca33dsm5988407a91.6.2024.08.16.10.10.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Aug 2024 10:10:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1723828226; x=1724433026; 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=HhZqQwVp0n7UZ968VHzXQ4/CHdUu2LBP16Pr9FyJFSkBy8TSE1wttt0Mez1C6+tav6 G372QeBMBHOr6lgwLEF+NmiWK4PpT2mcQ4n/JMGvVD+koE665gp9wllrRvL+FaLlbzrz VtUX25bJ5X4TSuC+vOLaCxuU02mc/157t/JaeuIt/ZmlX2VrDehho7PbN7KUuLnFUwTf iUkPSLt91KooLR00nOXVyp5res5SxOD3VeNYQSkOYK2UopsvBdw/Fr/VJKEJqvrMqJIC 6617x3uzQfYvkQAw8TJc1zUpirEpjVAswfj6NdXGwwRdHWR87d+0J/re0VJ3ECiKZoN/ vOZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723828226; x=1724433026; 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=fbxsqmnWU25pwroWl8yK9zngnbqiPZSGRuqA79j04Hqoj+JUzO7+uv/MWuCS7bPlBQ H1Batslr9kbwYnxfkNHcOIIgfy9z/+k6vc2zCgtLi9QJy5WnJl1avLL2XDCBO7ArHv4r J2C11HMZ6XvrjB65j85liLKOsGpzpi/mbE9yPs04CehY5FwxhGqCYekDeOJBUEMM3OsL 94yedIuYZ01+KV+QXDw3l10q2ao+XRFT0zpLPGrPTuDTHKW1EUz/YuVpHYOl38QCdcU6 vPTf7zYj82I+0YasX0wvMlZoSfLAcBjCBg3PR6x1kMHaGDY6S1ZN7cprWwZUfeKu5AKx yx0Q== X-Gm-Message-State: AOJu0YxKP7mT5r02wEQECSeAF8BNC1XCqlGjflO472O07DUhQbLUSBNh xPHIpM4Rrow6A+tUwOFMxy8ST4AKSJv0gC6fU4xKghDoTX6aK8FchauSFGUSTpQ= X-Google-Smtp-Source: AGHT+IF1yYR0Sae4Vw6kxwVQcRJd3WWOzyfpmjw/yIsrtpQw32iabsxSA9glBQP07QNIPj9zeRlICQ== X-Received: by 2002:a17:90b:4b47:b0:2ca:5a46:cbc8 with SMTP id 98e67ed59e1d1-2d3e00f01c2mr4008337a91.26.1723828226022; Fri, 16 Aug 2024 10:10:26 -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 10/17] bsd-user: Define RISC-V VM parameters and helper functions Date: Sat, 17 Aug 2024 03:09:42 +1000 Message-Id: <20240816170949.238511-11-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 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::533; envelope-from=itachis6234@gmail.com; helo=mail-pg1-x533.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, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_TEMPERROR=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: 1723828327961116600 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