From nobody Sun Nov 16 05:54:36 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=1598561107; cv=none; d=zohomail.com; s=zohoarc; b=M4ty+uSiCWjGVPbdHvKYmDcAuHChR21qh97jayvT9EWKhfgRN33qxXuL5lrt54DxbWcsozBShIWEoGaBDef5a4Vi15W5EGl0/v19mLeQ9SmqKlJTczL+p1bFI5+qAb9QY2+UkZ41He6TWbF2aDi9EbliACsj3ozGhuGdr5CMUfQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1598561107; 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=i8swDjWW7d3k3gF4+CC7vi7OdfyaI2y6ugVsRtXmyK8=; b=HUxzOcTU/ERjK/XE93x658t+Cy/yEz/taH/KceQvNfAVojGxoYqSwQh2wEQnpT9y+7OR5Eh558h82BoaFXn/U8LUn8VX8PWYaQnybM9pqlR6D35PCsF6yr3KHRoO7iak4vplyFhXGU3wzaeyb1NNa8KKKF3gGxkRKqlYzmssT6U= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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 1598561107381801.1499795087824; Thu, 27 Aug 2020 13:45:07 -0700 (PDT) Received: from localhost ([::1]:54354 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kBOld-0004Ox-FF for importer@patchew.org; Thu, 27 Aug 2020 16:45:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50676) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBOcU-0007o4-4X for qemu-devel@nongnu.org; Thu, 27 Aug 2020 16:35:38 -0400 Received: from mout.gmx.net ([212.227.15.19]:43437) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBOcM-0001VI-Lg for qemu-devel@nongnu.org; Thu, 27 Aug 2020 16:35:35 -0400 Received: from ls3530.fritz.box ([92.116.181.35]) by mail.gmx.com (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MkYXs-1kt0uF1Sog-00m0wI; Thu, 27 Aug 2020 22:35:21 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1598560521; bh=3jEXDEPVrlMf+yryMh7E9PXSMoaXapVGrOE9AK5e98c=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=LDy5JzOvucGwrjRtNR4HvZnSX5ESi0xbUn8kujAkKWWukMjyKXjf/oO1CSiaW2WB4 xabUa2T6YSfEJ++CX3UyHEyExVablyvQ/Bz4q5Ukpw0+gCSi2SqUTKfpWxbRlrAY2e 7avnED4Oalb/6TWPulwARbHiqPemRlSqGvkNpHZw= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c From: Helge Deller To: qemu-devel@nongnu.org Subject: [PATCH 5/5] hw/hppa: Add power button emulation Date: Thu, 27 Aug 2020 22:35:17 +0200 Message-Id: <20200827203517.29404-6-deller@gmx.de> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200827203517.29404-1-deller@gmx.de> References: <20200827203517.29404-1-deller@gmx.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:WriKgPfklKF5QoJ9Zc8gXLoq5DW9+kd++dNGDqspK7CC5aJogHH donpicNar1M/thaeKIQmG2Hzpsz17vVE89vUGDIcWOGqLZJ0GdKu8QDy7Zq74+oWPuxK6/q qRTII+GtCYiJMNdHu+8uoCEJfShJadZYO1V5igwaGgPOanfov+rS/jC/CuY0Z2+J+VOfbA3 CxeyZn+wS4Ex9ZAokTePg== X-UI-Out-Filterresults: notjunk:1;V03:K0:mDsiPNS/bU0=:03mcl/g0AdkKBBe6GZRQ79 PZN8omf1XW4DIPv09/8s+yXGXGcAYr79+qDkU287ZulLGqfPdiPxFWYn+ul/5UYClInii7KNR uLbcyToQDH9CfsnoqIbKmhVQ2R4paxRN4tbS3cjJp42h7DLaFcjYpoDSkM6RJp6zxXGg92U9V G+fW6yAoAVPLxvgJnygKXNTVioPAK3iXchh1eMN47p/A71/ada02aqmcalWKMsKoon1XJHSWn GyQoXF4M879/D9oEY5M2f38nThoHpz8sleGqnB9MHZRdm1ZDwIbJhvnzYIG81xs+m9xWJMCzC W9JvU2/2by2R64OpmCN+X6mKNIb5whVWah8UrEwu/kZ2SuQ4q/ZAbcOPrspo0gUlBMKzHzJdQ hGw68netaDp0AqU7Wk+UuKIOobU9w8Vjnk+Na9TLXM5tkeGVBlaIGnVPsdL8lr6WnOPo1vD12 w1SjyKCfqP67THSbVGLBXH3l8Tat2Eoz+DeFVz6y6DCoTAA6GEI10i4kk3fY5Lmj/ArqqqPhS 6dk72rwKVYrvy24B9tIf067gsZLITUvB2zTdAGMRO7G3ST00xYSjNB0qcuyf5gxFKIvSur2rX mjRMd2hyJh0za7jJ7KaBq4cot4Qtskjx2Fh6mHAmFXwVMCNruXOlb0etUjJW2AaneBP58Qm0I lcHNU7l3H8vPmBcRtxlacDYcUdMxgSBzubUpJFas/Yx8q+hNXTh43di28/FPP90jk8fxlORRk 9hU6mwZbFWeudfGlYCyjeJTsXvJ/My6Dcs7UmTvFigkNVqsiNSieYDxDgGeZxn5/GzJlkAIK8 +NB65KeB2RFhUZkkQGhjwKSjOMv/iQguZh1E2aajj6mZTEUHw8dQvG9AU7vMnLJ2vPAyrDw+Q UHLzTaXB34ALm8VfYcK5AN+RhsFX4n++YdeeSqBk4MqdRGNjVQgPKyPG+Ceaj6r7tsRlshVS3 eh8zInR1iPyz/mTHfUP7dk9SDH9Mtxvf5qOGFHpohlrLuJvYpnpfQjlUHZ0YStgofEgg93r1R sDTAHSZRnw56ttzv1u51H+JOlazYG29tXFKQXI7Xqwit7D0PmeHiy6TjXs98njYfmAzn4Dg/w /2bkbsiyzZt8eoYs0HH62M9ZChTAE3whzSBhmilR2vKW4d+iOUIKsRMpr0kJUDZiKhRLuOTiy ak11Z9ILJZFyNdvc+Co3Xh+OrsuOfd8xrqlh9GwglefUgYOKNz4pnv/PqXuw/GYnfNnCKm8XW FtJmDwlymPbmNvKSt 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: pass client-ip=212.227.15.19; envelope-from=deller@gmx.de; helo=mout.gmx.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/27 16:35:28 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Helge Deller , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Emulate a power button switch, tell SeaBIOS the address via fw_cfg and bind the power button to the qemu UI. Signed-off-by: Helge Deller --- hw/hppa/machine.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c index 2bed49807b..d5164457ee 100644 --- a/hw/hppa/machine.c +++ b/hw/hppa/machine.c @@ -12,6 +12,7 @@ #include "qemu/error-report.h" #include "sysemu/reset.h" #include "sysemu/sysemu.h" +#include "sysemu/runstate.h" #include "hw/rtc/mc146818rtc.h" #include "hw/timer/i8254.h" #include "hw/char/serial.h" @@ -27,6 +28,30 @@ #define MIN_SEABIOS_HPPA_VERSION 1 /* require at least this fw version */ +#define HPA_POWER_BUTTON (FIRMWARE_END - 0x10) + +static void hppa_powerdown_req(Notifier *n, void *opaque) +{ + hwaddr soft_power_reg =3D HPA_POWER_BUTTON; + uint32_t val; + + val =3D ldl_be_phys(&address_space_memory, soft_power_reg); + if ((val >> 8) =3D=3D 0) { + /* immediately shut down when under hardware control */ + qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); + return; + } + + /* clear bit 31 to indicate that the power switch was pressed. */ + val &=3D ~1; + stl_be_phys(&address_space_memory, soft_power_reg, val); +} + +static Notifier hppa_system_powerdown_notifier =3D { + .notify =3D hppa_powerdown_req +}; + + static ISABus *hppa_isa_bus(void) { ISABus *isa_bus; @@ -86,6 +111,10 @@ static FWCfgState *create_fw_cfg(MachineState *ms) fw_cfg_add_file(fw_cfg, "/etc/cpu/btlb_entries", g_memdup(&val, sizeof(val)), sizeof(val)); + val =3D cpu_to_le64(HPA_POWER_BUTTON); + fw_cfg_add_file(fw_cfg, "/etc/power-button-addr", + g_memdup(&val, sizeof(val)), sizeof(val)); + fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ms->boot_order[0]); qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); @@ -177,6 +206,9 @@ static void machine_hppa_init(MachineState *machine) } } + /* register power switch emulation */ + qemu_register_powerdown_notifier(&hppa_system_powerdown_notifier); + /* Load firmware. Given that this is not "real" firmware, but one explicitly written for the emulation, we might as well load it directly from an ELF image. */ -- 2.21.3