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Thu, 27 Aug 2020 22:35:21 +0200 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 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 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_Mathieu-Daud=C3=A9?= , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" 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(+) -- 2.21.3 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 = HPA_POWER_BUTTON; + uint32_t val; + + val = ldl_be_phys(&address_space_memory, soft_power_reg); + if ((val >> 8) == 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 &= ~1; + stl_be_phys(&address_space_memory, soft_power_reg, val); +} + +static Notifier hppa_system_powerdown_notifier = { + .notify = 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 = 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. */