From: Shannon Zhao <shannon.z...@linaro.org>
Add power button device in ACPI DSDT table.
Signed-off-by: Shannon Zhao <zhaoshengl...@huawei.com>
Signed-off-by: Shannon Zhao <shannon.z...@linaro.org>
Reviewed-by: Wei Huang <w...@redhat.com>
Tested-by: Wei Huang <w...@redhat.com>
---
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 bf6b934..b25c90b 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -340,6 +340,18 @@ 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)
@@ -558,6 +570,7 @@ build_dsdt(GArray *table_data, GArray *linker,
VirtGuestInfo *guest_info)
guest_info->use_highmem);
acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO],
(irqmap[VIRT_GPIO] + ARM_SPI_BASE));
+ acpi_dsdt_add_power_button(scope);
aml_append(dsdt, scope);
--
2.1.0
