From mboxrd@z Thu Jan 1 00:00:00 1970 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 9F820C43334 for ; Fri, 22 Jul 2022 17:14:26 +0000 (UTC) Received: from localhost ([::1]:46642 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oEwEL-0000EH-GA for qemu-devel@archiver.kernel.org; Fri, 22 Jul 2022 13:14:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39708) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEw5R-0002Nl-7T for qemu-devel@nongnu.org; Fri, 22 Jul 2022 13:05:13 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:29629) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEw5P-0000sI-O7 for qemu-devel@nongnu.org; Fri, 22 Jul 2022 13:05:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658509511; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LYGYSZ/ViMUNXuMyvj+UnhkpUrIpVeF9nrlgNYf68qo=; b=aXzXkcLkflvTaTPbxBnTOLjNgXCIqtmf0PzOGSDyAGcm5MhUjZSxE8nMy+GKLttyGfiqyI Ta2vAlOhrW493kulcgGe3ntkmaDVWXNG8Q5e1qROCkuwqTcdPbRH9qhYg1aJ3vPXBV7yee j9eVBTXUdGxGYR90YSK7rc6CaMMXp8I= Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-211-fg8qzzR9N9G5bCx_qGL3tg-1; Fri, 22 Jul 2022 13:05:09 -0400 X-MC-Unique: fg8qzzR9N9G5bCx_qGL3tg-1 Received: by mail-ed1-f70.google.com with SMTP id y8-20020a056402358800b0043bcb538b85so1954621edc.10 for ; Fri, 22 Jul 2022 10:05:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=LYGYSZ/ViMUNXuMyvj+UnhkpUrIpVeF9nrlgNYf68qo=; b=1swZY1TXI+IhZ8GTV+I/bmdZXdYYoZhjUdLyoCeND3wkKO3oDyhqkYyz8BDiWE+Rpg mSgiw/R2K0Id6Ec4j9rzBtMEGZFKxthRwy9GKl1ByhZCyqMKF4vijJiQzVZXkyxcc1Ap Ia++FehZwrWJhN72DehrnSSJdPHcQgLDvBtP4sHi5BpC+7n1JvmgzNxg/kZdX1VQmRlZ ZxzbBrb3i3HoaF0RMAUWWkv7ngaiYyngoJS5jkH2ViqZlFFxMoZiRIBwEpvmVTo5Zqcw 0mtd/0Ml5w+QYj5gYZIOZPHcD3GjSBd0hyJpLypxJuKJaDHv3ueAZ6o+7rwfsYOr4eeu QBpA== X-Gm-Message-State: AJIora+crWFrajw5TfW6F/qReb6UKs4PKqROa2eUqFPtnuT/IDTsvMBC Fu7NH4w29agrD2DZtCisYfFtZvu/SEGPT6bc+Hs0CpDRHvjSo4cL1zAtfta9FVwJ80tH3WOv7dz 3c0iXsjOdEwfgdqUMrG7HIMbxTDiiIngTvtC7zCnTicAPQS+bwjMP139PixHrZkkf4tg= X-Received: by 2002:aa7:d9d3:0:b0:43b:c457:fb06 with SMTP id v19-20020aa7d9d3000000b0043bc457fb06mr804851eds.5.1658509507727; Fri, 22 Jul 2022 10:05:07 -0700 (PDT) X-Google-Smtp-Source: AGRyM1u5op6bUtaiArTdHq8pylbBCGtodePuA9oJmavgnC7d1wkpWE19KpYAV/0zz6gbSLAilg4VKg== X-Received: by 2002:aa7:d9d3:0:b0:43b:c457:fb06 with SMTP id v19-20020aa7d9d3000000b0043bc457fb06mr804836eds.5.1658509507505; Fri, 22 Jul 2022 10:05:07 -0700 (PDT) Received: from goa-sendmail ([93.56.169.184]) by smtp.gmail.com with ESMTPSA id c14-20020aa7d60e000000b0043b240ce57bsm2834771edr.82.2022.07.22.10.05.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jul 2022 10:05:06 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: "Jason A. Donenfeld" , Yoshinori Sato Subject: [PULL 7/8] hw/rx: pass random seed to fdt Date: Fri, 22 Jul 2022 19:04:48 +0200 Message-Id: <20220722170449.853222-8-pbonzini@redhat.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220722170449.853222-1-pbonzini@redhat.com> References: <20220722170449.853222-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: "Jason A. Donenfeld" If the FDT contains /chosen/rng-seed, then the Linux RNG will use it to initialize early. Set this using the usual guest random number generation function. This FDT node is part of the DT specification. Cc: Yoshinori Sato Signed-off-by: Jason A. Donenfeld Message-Id: <20220719122033.135902-1-Jason@zx2c4.com> Signed-off-by: Paolo Bonzini --- hw/rx/rx-gdbsim.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/rx/rx-gdbsim.c b/hw/rx/rx-gdbsim.c index be147b4bd9..8ffe1b8035 100644 --- a/hw/rx/rx-gdbsim.c +++ b/hw/rx/rx-gdbsim.c @@ -19,6 +19,7 @@ #include "qemu/osdep.h" #include "qemu/cutils.h" #include "qemu/error-report.h" +#include "qemu/guest-random.h" #include "qapi/error.h" #include "hw/loader.h" #include "hw/rx/rx62n.h" @@ -83,6 +84,7 @@ static void rx_gdbsim_init(MachineState *machine) MemoryRegion *sysmem = get_system_memory(); const char *kernel_filename = machine->kernel_filename; const char *dtb_filename = machine->dtb; + uint8_t rng_seed[32]; if (machine->ram_size < mc->default_ram_size) { char *sz = size_to_str(mc->default_ram_size); @@ -140,6 +142,8 @@ static void rx_gdbsim_init(MachineState *machine) error_report("Couldn't set /chosen/bootargs"); exit(1); } + qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); + qemu_fdt_setprop(dtb, "/chosen", "rng-seed", rng_seed, sizeof(rng_seed)); /* DTB is located at the end of SDRAM space. */ dtb_offset = ROUND_DOWN(machine->ram_size - dtb_size, 16); rom_add_blob_fixed("dtb", dtb, dtb_size, -- 2.36.1