From patchwork Tue Sep 24 22:17:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 13811317 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 C4A28CF9C69 for ; Tue, 24 Sep 2024 22:21:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1stDtF-0004Mc-5h; Tue, 24 Sep 2024 18:20:15 -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 1stDt1-0003s4-US for qemu-devel@nongnu.org; Tue, 24 Sep 2024 18:20:00 -0400 Received: from mail-pf1-x42c.google.com ([2607:f8b0:4864:20::42c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1stDsx-0001kk-Rr for qemu-devel@nongnu.org; Tue, 24 Sep 2024 18:19:58 -0400 Received: by mail-pf1-x42c.google.com with SMTP id d2e1a72fcca58-71970655611so5393008b3a.0 for ; Tue, 24 Sep 2024 15:19:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727216393; x=1727821193; 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=wXscy2d/VrjAyvG14+9cedJX+vNjOcuClykgW+OR82k=; b=LN9p7kvPhwkh/VbXwL5/jv8BVUdJkh349SudG3JHm0mkds6V1I1VzIzareG4eAJ/K5 wQDckboI7/wSJo/nglHHUY/HWgfzhPXuF+C1x/H7GDSmxeK/bLcS+6wZ+TTPP37DOD8i wFqz3b1r4qkRH/XvmWYAi/Vh5+PZzh4WdXa80zIDzqNdI+fzizr1YOGigC2H7qwz67kk HoLfBu8E27IZDSyu3Y0/quQyY7stY/z9Y2LX8SLtflUgs0cjuimYE756Uq90ypSkslaE jJGweYKkcMItrEdTNQDTdLcEwYcOfkBu2tLsZxjFumnLa5oAtTtoYprkOZC08/jBybVG ByFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727216393; x=1727821193; 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=wXscy2d/VrjAyvG14+9cedJX+vNjOcuClykgW+OR82k=; b=IFcaLexEGKz0pDZjb2+4w025yDIEKVNN+jmLO6ZIaS6uMs4+W0ehhmDig2dpprg11p SkfWD2qWdgyEjEJ4Kq6vIxOeStRo8lOxD/ZfI4GMrmT6O5cmnc8ZYHkS8I1vjpb57STI 6LPRSXFLFSxFhzPbljih5eS79pgr88wMHcmDa+zAx4Fz+APCRBPPqTRKAgzYPoLKLgtE Yc149t/o0ObzLVxgw9WPd10/7iuypXnfC4NkNOMsR7E1arXpOkEiUhNUYBE49xn2WgK+ 8HXbjW7iSHDU3jxhuzM4uQoWXfUzqKQT1TTtcHO6/N0Y1SDcVZoHbFxqdqzneQQ9eQ++ 9i9Q== X-Gm-Message-State: AOJu0YzE3kq9x55a8rcsmCF5YKVIjS9KTWf6184aTD+iHrpLTNvUY1is qnN7ojIrYzR5s2X+z4YYiZsYkYJDoEwJPtI6TaBvv1W7iqCNbwrc4HHZuQ== X-Google-Smtp-Source: AGHT+IE1XqGn9hDjSlCtB/SC4saMux/qsEMuMalS+nP9OLZfM/KUJsYMeIueivskuaQRUT+Bb9Nbdw== X-Received: by 2002:a05:6a21:3514:b0:1d2:d001:5677 with SMTP id adf61e73a8af0-1d4d4aaf114mr983519637.17.1727216393008; Tue, 24 Sep 2024 15:19:53 -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 d2e1a72fcca58-71afc8342easm1665310b3a.11.2024.09.24.15.19.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Sep 2024 15:19:52 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Mark Corbin , Ajeet Singh , Kyle Evans , Richard Henderson , Alistair Francis Subject: [PULL v2 35/47] bsd-user: Add RISC-V ELF definitions and hardware capability detection Date: Wed, 25 Sep 2024 08:17:36 +1000 Message-ID: <20240924221751.2688389-36-alistair.francis@wdc.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20240924221751.2688389-1-alistair.francis@wdc.com> References: <20240924221751.2688389-1-alistair.francis@wdc.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42c; envelope-from=alistair23@gmail.com; helo=mail-pf1-x42c.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 Introduced RISC-V specific ELF definitions and hardware capability detection. Additionally, a function to retrieve hardware capabilities ('get_elf_hwcap') is implemented, which returns the common bits set in each CPU's ISA strings. Signed-off-by: Mark Corbin Signed-off-by: Ajeet Singh Co-authored-by: Kyle Evans Reviewed-by: Richard Henderson Message-ID: <20240916155119.14610-6-itachis@FreeBSD.org> Signed-off-by: Alistair Francis --- bsd-user/riscv/target_arch_elf.h | 42 ++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 bsd-user/riscv/target_arch_elf.h diff --git a/bsd-user/riscv/target_arch_elf.h b/bsd-user/riscv/target_arch_elf.h new file mode 100644 index 0000000000..4eb915e61e --- /dev/null +++ b/bsd-user/riscv/target_arch_elf.h @@ -0,0 +1,42 @@ +/* + * RISC-V ELF 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_ELF_H +#define TARGET_ARCH_ELF_H + +#define elf_check_arch(x) ((x) == EM_RISCV) +#define ELF_START_MMAP 0x80000000 +#define ELF_ET_DYN_LOAD_ADDR 0x100000 +#define ELF_CLASS ELFCLASS64 + +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_RISCV + +#define ELF_HWCAP get_elf_hwcap() +static uint32_t get_elf_hwcap(void) +{ + RISCVCPU *cpu = RISCV_CPU(thread_cpu); + + return cpu->env.misa_ext_mask; +} + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#endif /* TARGET_ARCH_ELF_H */