[SeaBIOS] [PATCH v15 1/2] add pvpanic device driver
Hu Tao
hutao at cn.fujitsu.com
Thu Mar 21 10:08:33 CET 2013
pvpanic device is used to notify host(qemu) when guest panic happens.
Signed-off-by: Hu Tao <hutao at cn.fujitsu.com>
---
ref: http://lists.nongnu.org/archive/html/qemu-devel/2013-03/msg03630.html
The version number is 15 to consist with qemu patches.
src/acpi-dsdt-isa.dsl | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/src/acpi-dsdt-isa.dsl b/src/acpi-dsdt-isa.dsl
index 23761db..87a31b9 100644
--- a/src/acpi-dsdt-isa.dsl
+++ b/src/acpi-dsdt-isa.dsl
@@ -99,4 +99,34 @@ Scope(\_SB.PCI0.ISA) {
IRQNoFlags() { 3 }
})
}
+
+ Device(PEVT) {
+ Name(_HID, "QEMU0001")
+ OperationRegion(PEOR, SystemIO, 0x0505, 0x01)
+ Field(PEOR, ByteAcc, NoLock, Preserve) {
+ PEPT, 8,
+ }
+
+ Method(_STA, 0, NotSerialized) {
+ Store(PEPT, Local0)
+ If (LEqual(Local0, Zero)) {
+ Return (0x00)
+ } Else {
+ Return (0x0F)
+ }
+ }
+
+ Method(RDPT, 0, NotSerialized) {
+ Store(PEPT, Local0)
+ Return (Local0)
+ }
+
+ Method(WRPT, 1, NotSerialized) {
+ Store(Arg0, PEPT)
+ }
+
+ Name(_CRS, ResourceTemplate() {
+ IO(Decode16, 0x0505, 0x0505, 0x01, 0x01)
+ })
+ }
}
--
1.8.1.4
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