From: Shannon Zhao <[email protected]> Add power button device in ACPI DSDT table.
Signed-off-by: Shannon Zhao <[email protected]> Signed-off-by: Shannon Zhao <[email protected]> --- hw/arm/virt-acpi-build.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index e505c16..b582047 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -319,6 +319,18 @@ static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap, aml_append(scope, dev); } +static void acpi_dsdt_add_power_button(Aml *scope) +{ + Aml *dev = aml_device("PWRB"); + aml_append(dev, aml_name_decl("_HID", aml_string("PNP0C0C"))); + aml_append(dev, aml_name_decl("_ADR", aml_int(0))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + Aml *method = aml_method("_STA", 0); + aml_append(method, aml_return(aml_int(0x0F))); + aml_append(dev, method); + aml_append(scope, dev); +} + /* RSDP */ static GArray * build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) @@ -475,6 +487,7 @@ build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) irqmap[VIRT_MMIO], NUM_VIRTIO_TRANSPORTS); acpi_dsdt_add_pci(scope, guest_info->pcie_info, irqmap[VIRT_PCIE]); acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO], irqmap[VIRT_GPIO]); + acpi_dsdt_add_power_button(scope); aml_append(dsdt, scope); -- 2.1.0
