From patchwork Tue Nov 5 03:40:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Warner Losh X-Patchwork-Id: 13862320 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 EB63BD1CA19 for ; Tue, 5 Nov 2024 03:44:27 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t8ATX-0002be-FQ; Mon, 04 Nov 2024 22:43:27 -0500 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 1t8ATV-0002au-I1 for qemu-devel@nongnu.org; Mon, 04 Nov 2024 22:43:25 -0500 Received: from mail-il1-x136.google.com ([2607:f8b0:4864:20::136]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t8ATT-0000zz-PX for qemu-devel@nongnu.org; Mon, 04 Nov 2024 22:43:25 -0500 Received: by mail-il1-x136.google.com with SMTP id e9e14a558f8ab-3a6ad7c5827so15387255ab.0 for ; Mon, 04 Nov 2024 19:43:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20230601.gappssmtp.com; s=20230601; t=1730778202; x=1731383002; 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=rxupo8oFWODoy3tJk0gzDbcDaAczcX8zGzXaJjAP0cI=; b=UDa/0pnwXA3cMOQhz7N1A7goXY6J6jE5YcK7PRvmvY69/inAlLVXTbofTTygfRABYx gaRCP9rrYNWCXBwHhFgWsntG2oSg6x8gA1OvD77IrpEQlNArY1rS4HVIVrpJXVDupdS7 IXf1y7LKsNMxpfuQV7opQtR3jDcms7u6ujx+/miw2+Gy7QcftVKK8fx6MMRk/h84pEef eDR3BKRH0YVYvE/pwMA7e8pPw0Z/V5u4vpj0zpzT1VsTuTrEYuWGk0Mka8qDygMq5Fbi yzGvlBXSQ/sAksQO4DLFObTbHfMO3Z0Ci4G07IqMDgtnaJfTlJCDCzJPABzb+lbIFMlT YtUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730778202; x=1731383002; 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=rxupo8oFWODoy3tJk0gzDbcDaAczcX8zGzXaJjAP0cI=; b=fMG+ti+tIOcEIS2PrTweE7OPxwbnEWhZQGuiCnD1Rdm2llC1z7zdRjfHyy2hSnU7z3 MeWvOkjScCpGEMYJyhHeU+pQ+GKZR2m9hFavgGHWJUSFP1pCOnRQyxWr+/iqukkNSJw+ sAB1NWQaOgLdq9eEeR3ejatPLExpjigey7Din5z1JRnJr8LkFH6uZarafu4BU3YGsVEL 4qfA+WL6xPArW6w4Uuol4rCusSihCzh0Y1yibLE4aW/LmuulGrz7XwvQLp7jSK2oFzV1 zFZ59rtTmdhe178XW3lAs5TVX7BXBVKOElwTm6+/YrnN/H6fqfqXIpNS1o/SWlSgcUxS MRTA== X-Gm-Message-State: AOJu0YzdmPbz/AQVXKIgEd+Fqfm1uE1Cov/JNQecaGPsLWRy9qD6h4qs O/5wZjNBbUGFCoZb6SfpeOJLBizGhhil84agQ0MJ5smb9G1RSiybvAKjL3/gYV/WtBCnPl81Vba 6yi0jHQ== X-Google-Smtp-Source: AGHT+IG4IVy0HfrBY+gYmPrRTeKxg/rQWyud+UCaPvy/I2jdAEnPWhDH9NmtkGB6vS6iUjnjisYEDA== X-Received: by 2002:a05:6e02:12ce:b0:3a4:ec4b:92f0 with SMTP id e9e14a558f8ab-3a6b031c94cmr156516725ab.19.1730778201964; Mon, 04 Nov 2024 19:43:21 -0800 (PST) Received: from dune.bsdimp.com ([50.253.99.174]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3a6bddcdcd8sm17162665ab.37.2024.11.04.19.43.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Nov 2024 19:43:20 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Cc: Warner Losh , Jessica Clarke , Kyle Evans , Ilya Leoshkevich , Richard Henderson Subject: [PULL 1/3] bsd-user/x86_64/target_arch_thread.h: Align stack Date: Mon, 4 Nov 2024 20:40:37 -0700 Message-ID: <20241105034039.31143-2-imp@bsdimp.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241105034039.31143-1-imp@bsdimp.com> References: <20241105034039.31143-1-imp@bsdimp.com> MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::136; envelope-from=imp@bsdimp.com; helo=mail-il1-x136.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Ilya Leoshkevich bsd-user qemu-x86_64 almost immediately dies with: qemu: 0x4002201a68: unhandled CPU exception 0xd - aborting on FreeBSD 14.1-RELEASE. This is an instruction that requires alignment: (gdb) x/i 0x4002201a68 0x4002201a68: movaps %xmm0,-0x40(%rbp) and the argument is not aligned: (gdb) p/x env->regs[5] $1 = 0x822443b58 A quick experiment shows that the userspace entry point expects misaligned rsp: (gdb) starti (gdb) p/x $rsp $1 = 0x7fffffffeaa8 Emulate this behavior in bsd-user. [[ applied Richard's suggestion ]] Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson Reviewed-by: Warner Losh Signed-off-by: Warner Losh --- bsd-user/x86_64/target_arch_thread.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/bsd-user/x86_64/target_arch_thread.h b/bsd-user/x86_64/target_arch_thread.h index 52c28906d6d..7739bb2154b 100644 --- a/bsd-user/x86_64/target_arch_thread.h +++ b/bsd-user/x86_64/target_arch_thread.h @@ -31,7 +31,7 @@ static inline void target_thread_init(struct target_pt_regs *regs, struct image_info *infop) { regs->rax = 0; - regs->rsp = infop->start_stack; + regs->rsp = ((infop->start_stack - 8) & ~0xfUL) + 8; regs->rip = infop->entry; regs->rdi = infop->start_stack; } From patchwork Tue Nov 5 03:40:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Warner Losh X-Patchwork-Id: 13862319 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 039ECD1CA15 for ; 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Mon, 04 Nov 2024 19:43:23 -0800 (PST) Received: from dune.bsdimp.com ([50.253.99.174]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3a6bddcdcd8sm17162665ab.37.2024.11.04.19.43.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Nov 2024 19:43:22 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Cc: Warner Losh , Jessica Clarke , Kyle Evans , Ilya Leoshkevich , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PULL 2/3] bsd-user/main: Allow setting tb-size Date: Mon, 4 Nov 2024 20:40:38 -0700 Message-ID: <20241105034039.31143-3-imp@bsdimp.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241105034039.31143-1-imp@bsdimp.com> References: <20241105034039.31143-1-imp@bsdimp.com> MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::130; envelope-from=imp@bsdimp.com; helo=mail-il1-x130.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Ilya Leoshkevich While qemu-system can set tb-size using -accel tcg,tb-size=n, there is no similar knob for qemu-bsd-user. Add one in a way similar to how one-insn-per-tb is already handled. Suggested-by: Philippe Mathieu-Daudé Signed-off-by: Ilya Leoshkevich Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Warner Losh Signed-off-by: Warner Losh --- bsd-user/main.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/bsd-user/main.c b/bsd-user/main.c index cc980e6f401..7c230b0c7a5 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -60,6 +60,7 @@ uintptr_t qemu_host_page_size; intptr_t qemu_host_page_mask; static bool opt_one_insn_per_tb; +static unsigned long opt_tb_size; uintptr_t guest_base; bool have_guest_base; /* @@ -169,6 +170,7 @@ static void usage(void) " (use '-d help' for a list of log items)\n" "-D logfile write logs to 'logfile' (default stderr)\n" "-one-insn-per-tb run with one guest instruction per emulated TB\n" + "-tb-size size TCG translation block cache size\n" "-strace log system calls\n" "-trace [[enable=]][,events=][,file=]\n" " specify tracing options\n" @@ -387,6 +389,11 @@ int main(int argc, char **argv) seed_optarg = optarg; } else if (!strcmp(r, "one-insn-per-tb")) { opt_one_insn_per_tb = true; 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Mon, 04 Nov 2024 19:43:25 -0800 (PST) Received: from dune.bsdimp.com ([50.253.99.174]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3a6bddcdcd8sm17162665ab.37.2024.11.04.19.43.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Nov 2024 19:43:24 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Cc: Warner Losh , Jessica Clarke , Kyle Evans Subject: [PULL 3/3] bsd-user: Set TaskState ts_tid for initial threads Date: Mon, 4 Nov 2024 20:40:39 -0700 Message-ID: <20241105034039.31143-4-imp@bsdimp.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241105034039.31143-1-imp@bsdimp.com> References: <20241105034039.31143-1-imp@bsdimp.com> MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::144; envelope-from=imp@bsdimp.com; helo=mail-il1-x144.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Jessica Clarke Currently we only set it on fork. Note: Upstream (blitz) commit also did new threads, but that code isn't in qemu project repo yet. Signed-off-by: Jessica Clarke Pull-Request: https://github.com/qemu-bsd-user/qemu-bsd-user/pull/52 Reviewed-by: Warner Losh Signed-off-by: Warner Losh --- bsd-user/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/bsd-user/main.c b/bsd-user/main.c index 7c230b0c7a5..61ca73c4781 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -610,6 +610,7 @@ int main(int argc, char **argv) init_task_state(ts); ts->info = info; ts->bprm = &bprm; + ts->ts_tid = qemu_get_thread_id(); cpu->opaque = ts; target_set_brk(info->brk);