[Qemu-devel] [PATCH 5/7] hw/arm/virt-acpi-build: Add _E03 for Power Button

[shannon.zhao@linaro.org]

From: Shannon Zhao <shannon.zhao@linaro.org>

Here GPIO pin 3 is used for Power Button, add _E03 in ACPI DSDT table.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
---
 hw/arm/virt-acpi-build.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index b582047..1fcdd74 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -316,6 +316,17 @@ static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap,
                aml_interrupt(aml_consumer, aml_edge, aml_active_high,
                aml_exclusive, aml_not_wake_capable, gpio_irq + 32));
     aml_append(dev, aml_name_decl("_CRS", crs));
+
+    Aml *aei = aml_resource_template();
+    /* Pin 3 for power button */
+    aml_append(aei, aml_gpio_int(aml_edge, aml_active_high, aml_exclusive,
+                         aml_wake_capable, aml_pull_up, 3, "GPO0"));
+    aml_append(dev, aml_name_decl("_AEI", aei));
+
+    /* _E03 is handle for power button */
+    Aml *method = aml_method("_E03", 0);
+    aml_append(method, aml_notify(aml_name("PWRB"), aml_int(0x80)));
+    aml_append(dev, method);
     aml_append(scope, dev);
 }
 
-- 
2.1.0