diff options
| -rw-r--r-- | src/acpi.c | 3 | ||||
| -rw-r--r-- | src/ssdt-misc.dsl | 46 |
2 files changed, 49 insertions, 0 deletions
@@ -352,6 +352,9 @@ build_ssdt(void) ssdt_ptr[acpi_pci64_valid[0]] = 0; } + int pvpanic_port = romfile_loadint("etc/pvpanic-port", 0x0); + *(u16 *)(ssdt_ptr + *ssdt_isa_pest) = pvpanic_port; + ssdt_ptr += sizeof(ssdp_misc_aml); // build Scope(_SB_) header diff --git a/src/ssdt-misc.dsl b/src/ssdt-misc.dsl index 679422b..acc850e 100644 --- a/src/ssdt-misc.dsl +++ b/src/ssdt-misc.dsl @@ -55,4 +55,50 @@ DefinitionBlock ("ssdt-misc.aml", "SSDT", 0x01, "BXPC", "BXSSDTSUSP", 0x1) Zero /* reserved */ }) } + + External(\_SB.PCI0, DeviceObj) + External(\_SB.PCI0.ISA, DeviceObj) + + Scope(\_SB.PCI0.ISA) { + Device(PEVT) { + Name(_HID, "QEMU0001") + /* PEST will be patched to be Zero if no such device */ + ACPI_EXTRACT_NAME_WORD_CONST ssdt_isa_pest + Name(PEST, 0xFFFF) + OperationRegion(PEOR, SystemIO, PEST, 0x01) + Field(PEOR, ByteAcc, NoLock, Preserve) { + PEPT, 8, + } + + Method(_STA, 0, NotSerialized) { + Store(PEST, 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, 0x00, 0x00, 0x01, 0x01, IO) + }) + + CreateWordField(_CRS, IO._MIN, IOMN) + CreateWordField(_CRS, IO._MAX, IOMX) + + Method(_INI, 0, NotSerialized) { + Store(PEST, IOMN) + Store(PEST, IOMX) + } + } + } } |