From nobody Sun Jul 26 14:08:57 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; dmarc=pass(p=quarantine dis=none) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; t=1781043021; cv=none; d=zohomail.com; s=zohoarc; b=Djww9uclTqeaSX1jzHB+pkHFGB+bzaEjSOXVub9yWP1pItp/nZWVO4B83OEKnYY1tn+lXLPbiWwm35k1IERWsmQ1K2XoQqqx6Y1/QBWR6RdwcJsZLK94YMg3wPhNta4nhmSnqGcaVms/fdgxZ5dNNzkxoQS3zTvBE8Wb1e2Wh80= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1781043021; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=s04LTT7BKhVo1CZxpcLnNoczPVx/VafO6+iqawSW++U=; b=AJTXzZYATUOMleYyCzAAA2My7tm58ttXLDRtXHnqUXgpLlxpf4eJlIv++rH31fbmdwa52lCZEaVEUbZuWfr2SNlg8B2gSZ9YSG4fYzENd5B0nGwXkOK2ZxSBZ6ACxW5jSZFmRfgITFSYg7WGW60CeDy7yfgs9uVlJoOxCcHfp3I= 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; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1781043021678971.9162752287481; Tue, 9 Jun 2026 15:10:21 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wX4dn-0007eT-Fe; Tue, 09 Jun 2026 18:09:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wX4dl-0007dl-ML; Tue, 09 Jun 2026 18:09:45 -0400 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wX4dk-0003Rw-3m; Tue, 09 Jun 2026 18:09:45 -0400 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id A60EE40340; Tue, 9 Jun 2026 22:09:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AD8E61F00893; Tue, 9 Jun 2026 22:09:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781042980; bh=s04LTT7BKhVo1CZxpcLnNoczPVx/VafO6+iqawSW++U=; h=From:To:Cc:Subject:Date; b=LIsA1QvAwk/vLOg116d3ySXUQuixJW0j0kyF3jp2hN04utCZMK8+RS/s49RtomsQ4 nRIPwYy/0dUcjUR7qYZlJeumYbjLgFM2T7/onhllT1BvqZOeahIkSq4zMkYde7UpmX f0L7uRQ6lkE6zcyq69avztk/1mmK6VquVYTAY2HgrE747NNBPTR6rIzMjtIovpsErg irbWQWM9CxWYXNlyihSfbZwDGGpJOEsUUUB9J+ktdBsjFD4yjgT/INLyoKFF6dP6WG +QHUAp3e0INYsr1BV6tX+b46eHhFwrxmzJ9x4E2+u6cdfFQ56sAfxCfc0yXXYOHuuX 9mdQWD4u1V5cg== From: Helge Deller To: qemu-devel@nongnu.org Cc: Helge Deller , qemu-ppc@nongnu.org Subject: [PATCH] linux-user: Implement /proc/cpuinfo for ppc cpus Date: Wed, 10 Jun 2026 00:09:29 +0200 Message-ID: <20260609220929.83951-1-deller@kernel.org> X-Mailer: git-send-email 2.54.0 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=lists1p.gnu.org; Received-SPF: pass client-ip=2600:3c0a:e001:78e:0:1991:8:25; envelope-from=deller@kernel.org; helo=sea.source.kernel.org X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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: qemu development 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 @kernel.org) X-ZM-MESSAGEID: 1781043024750158500 Content-Type: text/plain; charset="utf-8" From: Helge Deller I've tried to mimic what I've seen on two debian porterboxes (ppc64 and ppc64le), which are running via KVM/QEMU. I assume the model type of pSeries and such doesn't make much sense for some older ppc chips, so any better suggestions here are welcome. Signed-off-by: Helge Deller Cc: qemu-ppc@nongnu.org Reviewed-by: Pierrick Bouvier Tested-by: Misbah Anjum N --- linux-user/ppc/target_proc.h | 38 +++++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-) diff --git a/linux-user/ppc/target_proc.h b/linux-user/ppc/target_proc.h index 43fe29ca72..fa965c0e69 100644 --- a/linux-user/ppc/target_proc.h +++ b/linux-user/ppc/target_proc.h @@ -1 +1,37 @@ -/* No target-specific /proc support */ +/* + * ppc specific proc functions for linux-user + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef PPC_TARGET_PROC_H +#define PPC_TARGET_PROC_H + +static int open_cpuinfo(CPUArchState *cpu_env, int fd) +{ + int i, num_cpus; + + PowerPCCPUClass *pcc =3D POWERPC_CPU_GET_CLASS(env_cpu(cpu_env)); + DeviceClass *dc =3D DEVICE_CLASS(ppc_cpu_get_family_class(pcc)); + + num_cpus =3D sysconf(_SC_NPROCESSORS_ONLN); + for (i =3D 0; i < num_cpus; i++) { + dprintf(fd, "processor:\t: %d\n", i); + dprintf(fd, "cpu:\t\t: %s%s\n", + dc->desc, + pcc->insns_flags & PPC_ALTIVEC ? ", altivec supported"= :""); + dprintf(fd, "clock\t\t: 3425.000000MHz\n"); + dprintf(fd, "revision\t: %d.%d (pvr %04x %04x)\n\n", + (pcc->pvr >> 8) & 0x0f, pcc->pvr & 0x0f, + pcc->pvr >> 16, pcc->pvr & 0xffff); + } + + dprintf(fd, "timebase\t: 512000000\n"); + dprintf(fd, "platform\t: pSeries\n"); + dprintf(fd, "model\t\t: IBM pSeries (QEMU user v" QEMU_VERSION ")\n"); + dprintf(fd, "machine\t\t: CHRP IBM pSeries\n"); + + return 0; +} +#define HAVE_ARCH_PROC_CPUINFO + +#endif /* PPC_TARGET_PROC_H */ --=20 2.54.0