[SeaBIOS] [PATCH] mark irq9 active high in DSDT

[Gleb Natapov]

In PIIX4 SCI (irq9) is active high. Seabios marks it so in interrupt
override table, but some OSes (FreeBSD) require the same information to
be present in DSDT too. Make it so.

Signed-off-by: Gleb Natapov 
diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl
index bb0a176..dafcf45 100644
--- a/src/acpi-dsdt.dsl
+++ b/src/acpi-dsdt.dsl
@@ -73,7 +73,7 @@ DefinitionBlock (
 #define prt_slot3(nr) prt_slot(nr, LNKC, LNKD, LNKA, LNKB)
                prt_slot0(0x0000),
                /* Device 1 is power mgmt device, and can only use irq 9 */
-               Package() { 0x0001ffff, 0, 0, 9 },
+               Package() { 0x0001ffff, 0, LNKS, 0 },
                Package() { 0x0001ffff, 1, LNKB, 0 },
                Package() { 0x0001ffff, 2, LNKC, 0 },
                Package() { 0x0001ffff, 3, LNKD, 0 },
@@ -634,6 +634,46 @@ DefinitionBlock (
                     Store (TMP, PRQ3)
                 }
         }
+        Device(LNKS){
+                Name(_HID, EISAID("PNP0C0F"))     // PCI interrupt link
+                Name(_UID, 5)
+                Name(_PRS, ResourceTemplate(){
+                    Interrupt (, Level, ActiveHigh, Shared)
+                        { 9 }
+                })
+                Method (_STA, 0, NotSerialized)
+                {
+                    Store (0x0B, Local0)
+                    If (And (0x80, PRQ0, Local1))
+                    {
+                         Store (0x09, Local0)
+                    }
+                    Return (Local0)
+                }
+                Method (_DIS, 0, NotSerialized)
+                {
+                    Or (PRQ0, 0x80, PRQ0)
+                }
+                Method (_CRS, 0, NotSerialized)
+                {
+                    Name (PRR0, ResourceTemplate ()
+                    {
+                        Interrupt (, Level, ActiveHigh, Shared)
+                            {9}
+                    })
+                    CreateDWordField (PRR0, 0x05, TMP)
+                    Store (PRQ0, Local0)
+                    If (LLess (Local0, 0x80))
+                    {
+                        Store (Local0, TMP)
+                    }
+                    Else
+                    {
+                        Store (Zero, TMP)
+                    }
+                    Return (PRR0)
+                }
+        }
     }

/*
--
    		Gleb.