From nobody Tue Feb 10 19:14:18 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1696376701; cv=none; d=zohomail.com; s=zohoarc; b=ZPALX2KDP+Qwg1chGtegusUbXdWdmnZ0m8cFxkHD8wQ5vnl/bXdYhRCOYXuk18Hoyk+G+mfY1K5FEW5sseSuZQvHYtGfrznQJ2t2ZryissPLXws/80yBXR7bndV3J6QV4xAyToigNSETRsEjF0L+schI+BSy/gKOAnRL0CYugP4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1696376701; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=PqkFGNnZr4Hir1xs5a2neZwKr2N6dkSvYPZpyI4/s4A=; b=JLehymmnRiowChMuu0Qr0HjpD4EL7TNs039WMskHL0zflHSSg/gW1i22OqsL2JbzKN8xQqyIaPuT3BKoExK+vesLQ1kjXB0T2NPxJeV2UllAQjb4sP7MjSWf/Y+obWP1sbtwIy2ASBQSiJagqfSzJxICUPCXJ7TOEuV0wu4acZc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1696376701896340.70757858957654; Tue, 3 Oct 2023 16:45:01 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qnovu-0004Yz-59; Tue, 03 Oct 2023 19:36:08 -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 1qnovm-0004Pc-JB for qemu-devel@nongnu.org; Tue, 03 Oct 2023 19:35:59 -0400 Received: from mail-io1-xd29.google.com ([2607:f8b0:4864:20::d29]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qnove-0007T5-Bs for qemu-devel@nongnu.org; Tue, 03 Oct 2023 19:35:57 -0400 Received: by mail-io1-xd29.google.com with SMTP id ca18e2360f4ac-79f9acc857cso54764539f.2 for ; Tue, 03 Oct 2023 16:35:49 -0700 (PDT) Received: from dune.bsdimp.com (50-253-99-174-static.hfc.comcastbusiness.net. [50.253.99.174]) by smtp.gmail.com with ESMTPSA id w25-20020a6b4a19000000b0079fa1a7cd36sm593596iob.30.2023.10.03.16.35.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Oct 2023 16:35:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20230601.gappssmtp.com; s=20230601; t=1696376148; x=1696980948; 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=PqkFGNnZr4Hir1xs5a2neZwKr2N6dkSvYPZpyI4/s4A=; b=POGwBzSXi82zmQJOXY8JV948drkEgDqBXWDu6Zdnz0SrdG/ZE3bto1BfImqYdzil0E K7srIHOkqH1q52JkTPpQ+4po0xXACyKLprZzgrtMIEi/J3r69q+OipbAH2uUBRAcRz0v tBCDnEWIGrhyZQMfCblbPaYSWPUVPKK/ej/1SFAfvSoVKEHFFfyw7Gd10NhkMWRfIxpD 4EeHzKSBWIbpau/odvBs1/8yzwGYZmNlG9Iy02E+XfPszoPEaeexpzQSrV0A8Ax8jIe7 1ubQIrYPqs2j3sCB3uj86VxXHtyaYu4pr0qBihxcUo7D/Q8VSzMhMSMSMdIYON5btsPY oqRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696376148; x=1696980948; 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=PqkFGNnZr4Hir1xs5a2neZwKr2N6dkSvYPZpyI4/s4A=; b=ivD4kGwxwCMAH6jy1o9ckDueVkF1fuYHDYV75gtWWspg6745LWKZzGpwZBD5qiwCQO zjTDARetIiUTnuoHJ6R3vNUklWDe8NtFij/iKpTZT0rCp6Ev7ysCGfgaCgmFJeTwXyhm MSxcHs7le+dnA3Bvwrcy08+h/BFhZexfSOXhrp5DJhuBE+CnEGaRWyWq2/RZibJXkoyR HCkD2JNcrOPHFc9YIu/9QxqR+IJaCsDwxd3VgaMrc3Ahn97KxZNVEEakuHbb92kJlvmC Lmww3bJfUXZ2kdOTqavJOYJBD8cjeK/cQAgyNuykqoNocwINeAWEeGniY/NgvcWVf+n9 dm4A== X-Gm-Message-State: AOJu0YxxdYuKHyf7FgBdcPCwS/7HYnIhj+2qTKpJnXJe0YCWyjYMD5/W ZDMpZPFHwoDhQuam/RQmS4OsV7ewB+gk08Nzx02Apw== X-Google-Smtp-Source: AGHT+IE8k3C998aY9XOLM13sV0eb+89fAHhmQr2pEZw6OPPLmaYSrl0q+alpWcfbEb5k5ZqcSZcWWQ== X-Received: by 2002:a6b:da06:0:b0:794:d7e8:d239 with SMTP id x6-20020a6bda06000000b00794d7e8d239mr844399iob.17.1696376147942; Tue, 03 Oct 2023 16:35:47 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Cc: Thomas Huth , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Wainer dos Santos Moschetta , Beraldo Leal , Warner Losh , Kyle Evans , Stacey Son , Karim Taha , Richard Henderson Subject: [PULL 45/51] bsd-user: Implement mincore(2) Date: Tue, 3 Oct 2023 17:32:09 -0600 Message-ID: <20231003233215.95557-46-imp@bsdimp.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003233215.95557-1-imp@bsdimp.com> References: <20231003233215.95557-1-imp@bsdimp.com> 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: none client-ip=2607:f8b0:4864:20::d29; envelope-from=imp@bsdimp.com; helo=mail-io1-xd29.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @bsdimp-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1696376702983100001 Content-Type: text/plain; charset="utf-8" From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Message-Id: <20230925182709.4834-18-kariem.taha2.7@gmail.com> --- bsd-user/bsd-mem.h | 23 +++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 4 ++++ 2 files changed, 27 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index b00ab3aed8e..0c8d96d9a43 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -189,4 +189,27 @@ static inline abi_long do_bsd_minherit(abi_long addr, = abi_long len, return get_errno(minherit(g2h_untagged(addr), len, inherit)); } =20 +/* mincore(2) */ +static inline abi_long do_bsd_mincore(abi_ulong target_addr, abi_ulong len, + abi_ulong target_vec) +{ + abi_long ret; + void *p; + abi_ulong vec_len =3D DIV_ROUND_UP(len, TARGET_PAGE_SIZE); + + if (!guest_range_valid_untagged(target_addr, len) + || !page_check_range(target_addr, len, PAGE_VALID)) { + return -TARGET_EFAULT; + } + + p =3D lock_user(VERIFY_WRITE, target_vec, vec_len, 0); + if (p =3D=3D NULL) { + return -TARGET_EFAULT; + } + ret =3D get_errno(mincore(g2h_untagged(target_addr), len, p)); + unlock_user(p, target_vec, vec_len); + + return ret; +} + #endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index b8c44cea0ff..f054241cd62 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -839,6 +839,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_minherit(arg1, arg2, arg3); break; =20 + case TARGET_FREEBSD_NR_mincore: /* mincore(2) */ + ret =3D do_bsd_mincore(arg1, arg2, arg3); + break; + #if defined(__FreeBSD_version) && __FreeBSD_version >=3D 1300048 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ ret =3D do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); --=20 2.41.0