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Tue, 01 Sep 2020 20:34:56 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1598985296; bh=3jEXDEPVrlMf+yryMh7E9PXSMoaXapVGrOE9AK5e98c=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=I96HxaCKmkGYMvwrZdbb/wYlBok/BFddpzdUQX97KDRM3ukZzjv64b0lhIE/EEHXq 4AP4VJPJepKxe2Glv9Jtiujc8X3ws8rZvlzpcENeiTHyRuax2UHBuIlbUSdtjfxsTT nMrBT9lZ/SacvH9LbLiZHADF2ickrRKaH9mdYOus= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c From: Helge Deller To: qemu-devel@nongnu.org Subject: [PATCH 5/7] hw/hppa: Add power button emulation Date: Tue, 1 Sep 2020 20:34:50 +0200 Message-Id: <20200901183452.24967-6-deller@gmx.de> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200901183452.24967-1-deller@gmx.de> References: <20200901183452.24967-1-deller@gmx.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:B5y9XQ8mjbD1s0cilvULrDjQJx6YMga2/Tfi7LRGGguFYlxari6 3JNLt2BANEGPluKu1z35DrKWCiz6AdVH1lzb1NAEYhTuiCpQ7fRPYKGGyvgEy9jNQvFo9aV zy2PaJ/LVDZdO/GBf90bvaaVf+Ep8W8OJUA6/Sa7OaLDs55mEB9qwciV/YZ4Nt+klMaq6nE UAdpkYHLov+HZwQwsxjxA== X-UI-Out-Filterresults: notjunk:1;V03:K0:yBtqde0XGU4=:mYFRx8YK++NdON9mLron2l C0nJWd9M3IvYAKZuwzJR+afv6Xf3D6EFaCNhaqK/KsVwyWEhmiWrGq9dvkowGeMDl6faEj/GJ IfJEurDMis2UcQes0Pwp13ZR9jvj4p3DvwKAanfLh0eBve9CQ3snHmnuQR0j1OabHogbHPyvu P84EY9vrhwGc4RYFfxO9sPTQx36n30/58mbEam52zJAslSoiw4duWDGkN71zl4/7WPcld1WbO yi3evhkGvcJajR4Ve+STg+RfsqF6I2UrbWx0WY83duPGLtZAr34QqZvQxsG1BNsvUtErJ6MoS GG/WUqn/OoeVE/Y5Fxa3LrsLrUw5IHj+fHn4HSV7N5v8Igt2hZ4VZevOr3b2ACLESBGEHqcD6 cwjqlD1cm1MsznTqft39pMuz4eEM2+9I9Iveq4s9a+9E/0U9yvN3mxn67K7x4oP2UlDMbYqBq ER/ZKUv2WTqtgF2u7uNkDRcebYsoFrYvL3dyPzs73XxCMwU4anAkIPbvtD/pgyJMHkCD+q7Gp iuq2/lm1bVctGrwnd7nk6zijd/ZpvO1zOKhif3wsn+lh8FFzHal8Z9Mxb1I90Uqh3OiRtO96w T/U4YFIYMTCfIcuPzH0RrUjdcdyw6wfqASaApl0A/79bAXCVTE3BeLeiPwUL5jt8U+Kvaln+I Zz8ydddzsmUlDeVRYhno8HuW2qckQAkStQbiOOcF14PLObc4kdiSrBBZOl+4ChX+mdGsNCcNn kwRlYpwoUqHV2dqW89gMirySzCUyAPol8v6409SXhaeiVlOZbRad1e9SgEwYCPtJlERQIJpPR GeKjf9tCXIt9IYzg1oT77QAV7OxDUlSg3dd5Aeu3V3UwS3sy7tqNziGqyajwfVKREgyXd1ZXl BJQq8409kdT1LMn0L6lBwwkK8QzNGqfubZ1KbSmN7eRQaPg1RoLzFwpj/WdsAJW7bx/NXLeUN oePReg2JW6zOpMzH+70V9p/Gno0tpUBKaaHmWVAGyOLUGL1mvVsyhlNWjiBZUJUU4VM7AvQGh QuTa1DVygmFuQAQ4ircfwwg0JBX/q3cdBGoWucMzaP4z4sanp3Jin0x2xcerP6v+D3+QkxKcd jfU+StwSgnpEn/IvwfR8NcPq1rbHgsMnYawttyLp/eQNW4kjCs/5HdEOs+3Zlkqj6gFTaYoX7 4Rhyvt7phG2lIdPPQdrxHu24Qk+4tDYfYbUFf6gEmm+AcT6r9iuqzNidv9wNiGxDp465CSKJZ xd/bxVbbvYhC97pPT 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=212.227.15.15; envelope-from=deller@gmx.de; helo=mout.gmx.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/01 14:35:04 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 , 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 Reviewed-by: Richard Henderson --- 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