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charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::62f (failed) 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=2607:f8b0:4864:20::62f; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-pl1-x62f.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1646661068747100001 From: Bernhard Beschow Exposing the IRQ number as a QOM property not only allows it to be configurable but also to be displayed in HMP: Before: (qemu) info qtree ... dev: mc146818rtc, id "" gpio-out "" 1 base_year =3D 0 (0x0) lost_tick_policy =3D "discard" After: dev: mc146818rtc, id "" gpio-out "" 1 base_year =3D 0 (0x0) irq =3D 8 (0x8) lost_tick_policy =3D "discard" The reason the IRQ number didn's show up before is that this device does not call isa_init_irq(). Signed-off-by: Bernhard Beschow Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20220301220037.76555-2-shentey@gmail.com> Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Bernhard Beschow --- hw/isa/piix4.c | 2 +- hw/rtc/mc146818rtc.c | 13 +++++++++++-- include/hw/rtc/mc146818rtc.h | 1 + 3 files changed, 13 insertions(+), 3 deletions(-) diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c index f876c71750..fc3c8b3fd1 100644 --- a/hw/isa/piix4.c +++ b/hw/isa/piix4.c @@ -216,7 +216,7 @@ static void piix4_realize(PCIDevice *dev, Error **errp) if (!qdev_realize(DEVICE(&s->rtc), BUS(isa_bus), errp)) { return; } - isa_init_irq(ISA_DEVICE(&s->rtc), &s->rtc.irq, RTC_ISA_IRQ); + isa_init_irq(ISA_DEVICE(&s->rtc), &s->rtc.irq, s->rtc.isairq); } =20 static void piix4_init(Object *obj) diff --git a/hw/rtc/mc146818rtc.c b/hw/rtc/mc146818rtc.c index ac9a60c90e..f235c2ddbe 100644 --- a/hw/rtc/mc146818rtc.c +++ b/hw/rtc/mc146818rtc.c @@ -912,6 +912,11 @@ static void rtc_realizefn(DeviceState *dev, Error **er= rp) s->base_year =3D 0; } =20 + if (s->isairq >=3D ISA_NUM_IRQS) { + error_setg(errp, "Maximum value for \"irq\" is: %u", ISA_NUM_IRQS = - 1); + return; + } + rtc_set_date_from_host(isadev); =20 switch (s->lost_tick_policy) { @@ -957,15 +962,17 @@ ISADevice *mc146818_rtc_init(ISABus *bus, int base_ye= ar, qemu_irq intercept_irq) { DeviceState *dev; ISADevice *isadev; + RTCState *s; =20 isadev =3D isa_new(TYPE_MC146818_RTC); dev =3D DEVICE(isadev); + s =3D MC146818_RTC(isadev); qdev_prop_set_int32(dev, "base_year", base_year); isa_realize_and_unref(isadev, bus, &error_fatal); if (intercept_irq) { qdev_connect_gpio_out(dev, 0, intercept_irq); } else { - isa_connect_gpio_out(isadev, 0, RTC_ISA_IRQ); + isa_connect_gpio_out(isadev, 0, s->isairq); } =20 object_property_add_alias(qdev_get_machine(), "rtc-time", OBJECT(isade= v), @@ -976,6 +983,7 @@ ISADevice *mc146818_rtc_init(ISABus *bus, int base_year= , qemu_irq intercept_irq) =20 static Property mc146818rtc_properties[] =3D { DEFINE_PROP_INT32("base_year", RTCState, base_year, 1980), + DEFINE_PROP_UINT8("irq", RTCState, isairq, RTC_ISA_IRQ), DEFINE_PROP_LOSTTICKPOLICY("lost_tick_policy", RTCState, lost_tick_policy, LOST_TICK_POLICY_DISCARD), DEFINE_PROP_END_OF_LIST(), @@ -1011,6 +1019,7 @@ static void rtc_reset_hold(Object *obj) =20 static void rtc_build_aml(ISADevice *isadev, Aml *scope) { + RTCState *s =3D MC146818_RTC(isadev); Aml *dev; Aml *crs; =20 @@ -1021,7 +1030,7 @@ static void rtc_build_aml(ISADevice *isadev, Aml *sco= pe) crs =3D aml_resource_template(); aml_append(crs, aml_io(AML_DECODE16, RTC_ISA_BASE, RTC_ISA_BASE, 0x01, 0x08)); - aml_append(crs, aml_irq_no_flags(RTC_ISA_IRQ)); + aml_append(crs, aml_irq_no_flags(s->isairq)); =20 dev =3D aml_device("RTC"); aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0B00"))); diff --git a/include/hw/rtc/mc146818rtc.h b/include/hw/rtc/mc146818rtc.h index 5b45b22924..deef93f89a 100644 --- a/include/hw/rtc/mc146818rtc.h +++ b/include/hw/rtc/mc146818rtc.h @@ -25,6 +25,7 @@ struct RTCState { MemoryRegion coalesced_io; uint8_t cmos_data[128]; uint8_t cmos_index; + uint8_t isairq; int32_t base_year; uint64_t base_rtc; uint64_t last_update; --=20 2.34.1