From nobody Tue Feb 10 13:17:56 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of _spf.google.com designates 209.85.221.65 as permitted sender) client-ip=209.85.221.65; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-f65.google.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.221.65 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1602350801; cv=none; d=zohomail.com; s=zohoarc; b=MahGlVlcYXMHNP/aHPNww7DnnB7cv4Paa7OBxEv4CbmL0YBmih5MQ3nU0aI7I7fqIxhJBqXVbBV8OLlR2JATjHuLWUhZ0yYZJfN0ORyvJBn7dSscoA/DR4pGsIdxudmKIKtXS6hqGN8/ZKShsoAUiWZT5lw6rDrNBTErlLurChY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1602350801; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Sender:Subject:To; bh=hdRhjIayqSG6GvTVj0uTOvZjLJ71MQG8ccDZSx/sEYE=; b=G6W0Pzbu+h1wZJAnELwx1lVqBDHVLz4Aoa4Hgtmo5ExoucmPPSSr7QscmH3qVFyrQdELEVXfR+ADLoDSPBCLTCMwh/4FfSmRtJuaEgp4orBUIIkvOnOnZqwxtApNg8tZ5QyL+ZllPKGpal+tVGbKUyi6tsNjPc3uwYGJB3LFltc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.221.65 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com Received: from mail-wr1-f65.google.com (mail-wr1-f65.google.com [209.85.221.65]) by mx.zohomail.com with SMTPS id 1602350801270149.45782294333026; Sat, 10 Oct 2020 10:26:41 -0700 (PDT) Received: by mail-wr1-f65.google.com with SMTP id n18so13685472wrs.5 for ; Sat, 10 Oct 2020 10:26:40 -0700 (PDT) Return-Path: Return-Path: Received: from localhost.localdomain (106.red-83-59-162.dynamicip.rima-tde.net. [83.59.162.106]) by smtp.gmail.com with ESMTPSA id i11sm16786068wre.32.2020.10.10.10.26.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Oct 2020 10:26:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hdRhjIayqSG6GvTVj0uTOvZjLJ71MQG8ccDZSx/sEYE=; b=E7W5A0+vN4b5dNUXbFoPH01zRB2oloLAteRqSP620JSSdj/8AEfRB6obLGc+tDkjDz 0p3fhEnFFp7/4Ja+b9ZS4sC8y3eTvJnwpDlduODWZOHhxG6c1h3a9xbQgltGsA6485Fr 8XMi5u82gf/QL0NOMgjqpWEwO4P3xDp7qHGucO5VTHZV44duaIAsnwSNglawkgGLpg7a lVhIio3khjUreETVkW4KDFhAma8OxS281G11xaRmbl5b4MPnU0AIP1VIqD7hmapKDtEa aIAQo1tR1rKFISY6gHwU4N58YW++QF/qXwES0LcJPROIdm8ulhuD7GbWxfJXC5/ouOmf w+2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=hdRhjIayqSG6GvTVj0uTOvZjLJ71MQG8ccDZSx/sEYE=; b=lf466M+SrjOYEM6ceClF8WYiO9+bMW00HupWlbw+sb2k/AMavif7cMY/QMQhB1vXCZ c/NH7PJTTW4pLkwx6PJAMdXa55D9MGNm2YnfBvivVJgRyfW1yVabi27JdQHWW8DRbVLN rVgP8HvdpkIucvi6FgZzqcnoJe0a+qfo2uusdHtaCCsqk1sKyE2N4y5kdfaYcgKGNoZN dK5eLi0PvRUb3V5NBz6yedpc0XbTbWqT66+AIauczsBsSIWYT6AAvMpq41k2Xr8kEOlk H/i30roLzn+n2v5C+4seorAkDp3e9vZOnIFbK8ZYeF2irK2ksfi7CtA9bVVl5FX4w2Mt 8G1A== X-Gm-Message-State: AOAM5333JPF5axCMvdnoZPys/KCGyVtxT7bF78tTWcZRuFG/DP8v51PB bW8JfPoCX6ToqwgSIbgDoZc= X-Google-Smtp-Source: ABdhPJwR+hr544T154ZceUdAVG8hfgVOrrTVrIqCJwJdKvc6Xl1XCu5vvNnq623zJnM44KyzksIxaQ== X-Received: by 2002:adf:8b85:: with SMTP id o5mr7239211wra.104.1602350799399; Sat, 10 Oct 2020 10:26:39 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Damien Hedde , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Huacai Chen , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , Paolo Bonzini , Aurelien Jarno , Huacai Chen , Aleksandar Rikalo , Paul Burton , Jiaxun Yang , Luc Michel Subject: [PATCH v2 14/20] hw/mips/mipssim: Correct CPU frequency Date: Sat, 10 Oct 2020 19:26:11 +0200 Message-Id: <20201010172617.3079633-15-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201010172617.3079633-1-f4bug@amsat.org> References: <20201010172617.3079633-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) The MIPSsim machine CPU frequency is too fast running at 200 MHz, while it should be 12 MHz for the 24K and 6 MHz for the 5K core. Ref: Linux commit c78cbf49c4ed ("Support for MIPSsim, the cycle accurate MIPS simulator.") Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/mips/mipssim.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c index 5d4ad74828d..ded96a7868c 100644 --- a/hw/mips/mipssim.c +++ b/hw/mips/mipssim.c @@ -40,6 +40,7 @@ #include "hw/loader.h" #include "elf.h" #include "hw/sysbus.h" +#include "hw/qdev-clock.h" #include "hw/qdev-properties.h" #include "exec/address-spaces.h" #include "qemu/error-report.h" @@ -152,11 +153,20 @@ mips_mipssim_init(MachineState *machine) MemoryRegion *bios =3D g_new(MemoryRegion, 1); MIPSCPU *cpu; CPUMIPSState *env; + Clock *cpuclk; ResetData *reset_info; int bios_size; =20 /* Init CPUs. */ - cpu =3D MIPS_CPU(cpu_create(machine->cpu_type)); + cpu =3D MIPS_CPU(object_new(machine->cpu_type)); + cpuclk =3D clock_new(OBJECT(machine), "cpuclk-out"); +#ifdef TARGET_MIPS64 + clock_set_hz(cpuclk, 6000000); /* 6 MHz */ +#else + clock_set_hz(cpuclk, 12000000); /* 12 MHz */ +#endif + qdev_connect_clock_in(DEVICE(cpu), "clk-in", cpuclk); + qdev_realize(DEVICE(cpu), NULL, &error_abort); env =3D &cpu->env; =20 reset_info =3D g_malloc0(sizeof(ResetData)); --=20 2.26.2