The disassembled DSDT table is given below.
/*
* Intel ACPI Component Architecture
* AML/ASL+ Disassembler version
20210604 (64-bit version)
* Copyright (c) 2000 - 2021 Intel Corporation
*
* Disassembling to symbolic ASL+ operators
*
* Disassembly of ../tests/data/acpi/aarch64/virt/DSDT.acpipcihp, Thu Jul 3 05:16:27 2025
*
* Original Table Header:
* Signature "DSDT"
* Length 0x0000183A (6202)
* Revision 0x02
* Checksum 0x98
* OEM ID "BOCHS "
* OEM Table ID "BXPC "
* OEM Revision 0x00000001 (1)
* Compiler ID "BXPC"
* Compiler Version 0x00000001 (1)
*/
DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPC ", 0x00000001)
{
Scope (\_SB)
{
Device (C000)
{
Name (_HID, "ACPI0007" /* Processor Device */) // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
}
Device (COM0)
{
Name (_HID, "ARMH0011") // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
Memory32Fixed (ReadWrite,
0x09000000, // Address Base
0x00001000, // Address Length
)
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
{
0x00000021,
}
})
}
Device (FWCF)
{
Name (_HID, "QEMU0002") // _HID: Hardware ID
Name (_STA, 0x0B) // _STA: Status
Name (_CCA, One) // _CCA: Cache Coherency Attribute
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
Memory32Fixed (ReadWrite,
0x09020000, // Address Base
0x00000018, // Address Length
)
})
}
Device (VR00)
{
Name (_HID, "LNRO0005") // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
Name (_CCA, One) // _CCA: Cache Coherency Attribute
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
Memory32Fixed (ReadWrite,
0x0A000000, // Address Base
0x00000200, // Address Length
)
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
{
0x00000030,
}
})
}
../..
Device (L000)
{
Name (_HID, "PNP0C0F" /* PCI Interrupt Link Device */) // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
Name (_PRS, ResourceTemplate () // _PRS: Possible Resource Settings
{
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
{
0x00000023,
}
})
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
{
0x00000023,
}
})
Method (_SRS, 1, NotSerialized) // _SRS: Set Resource Settings
{
}
}
../..
Device (PCI0)
{
Name (_HID, "PNP0A08" /* PCI Express Bus */) // _HID: Hardware ID
Name (_CID, "PNP0A03" /* PCI Bus */) // _CID: Compatible ID
Name (_SEG, Zero) // _SEG: PCI Segment
Name (_BBN, Zero) // _BBN: BIOS Bus Number
Name (_UID, Zero) // _UID: Unique ID
Name (_STR, Unicode ("PCIe 0 Device")) // _STR: Description String
Name (_CCA, One) // _CCA: Cache Coherency Attribute
Name (_PRT, Package (0x80) // _PRT: PCI Routing Table
{
Package (0x04)
{
0xFFFF,
Zero,
L000,
Zero
},
../..
})
Method (_CBA, 0, NotSerialized) // _CBA: Configuration Base Address
{
Return (0x0000004010000000)
}
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
0x0000, // Granularity
0x0000, // Range Minimum
0x00FF, // Range Maximum
0x0000, // Translation Offset
0x0100, // Length
,, )
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
0x00000000, // Granularity
0x10000000, // Range Minimum
0x3EFEFFFF, // Range Maximum
0x00000000, // Translation Offset
0x2EFF0000, // Length
,, , AddressRangeMemory, TypeStatic)
DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
0x00000000, // Granularity
0x00000000, // Range Minimum
0x0000FFFF, // Range Maximum
0x3EFF0000, // Translation Offset
0x00010000, // Length
,, , TypeStatic, DenseTranslation)
QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
0x0000000000000000, // Granularity
0x0000008000000000, // Range Minimum
0x000000FFFFFFFFFF, // Range Maximum
0x0000000000000000, // Translation Offset
0x0000008000000000, // Length
,, , AddressRangeMemory, TypeStatic)
})
Method (_OSC, 4, NotSerialized) // _OSC: Operating System Capabilities
{
CreateDWordField (Arg3, Zero, CDW1)
If ((Arg0 == ToUUID ("
33db4d5b-1ff7-401c-9657-
7441c03dd766") /* PCI Host Bridge Device */))
{
CreateDWordField (Arg3, 0x04, CDW2)
CreateDWordField (Arg3, 0x08, CDW3)
Local0 = CDW3 /* \_SB_.PCI0._OSC.CDW3 */
Local0 &= 0x1E
If ((Arg1 != One))
{
CDW1 |= 0x08
}
If ((CDW3 != Local0))
{
CDW1 |= 0x10
}
CDW3 = Local0
}
Else
{
CDW1 |= 0x04
}
Return (Arg3)
}
Method (_DSM, 4, NotSerialized) // _DSM: Device-Specific Method
{
If ((Arg0 == ToUUID ("
e5c937d0-3553-4d7a-9117-
ea4d19c3434d") /* Device Labeling Interface */))
{
If ((Arg2 == Zero))
{
Return (Buffer (One)
{
0x01 // .
})
}
}
Return (Buffer (One)
{
0x00 // .
})
}
Device (RES0)
{
Name (_HID, "PNP0C02" /* PNP Motherboard Resources */) // _HID: Hardware ID
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
0x0000000000000000, // Granularity
0x0000004010000000, // Range Minimum
0x000000401FFFFFFF, // Range Maximum
0x0000000000000000, // Translation Offset
0x0000000010000000, // Length
,, , AddressRangeMemory, TypeStatic)
})
}
}
Device (\_SB.GED)
{
Name (_HID, "ACPI0013" /* Generic Event Device */) // _HID: Hardware ID
Name (_UID, "GED") // _UID: Unique ID
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
Interrupt (ResourceConsumer, Edge, ActiveHigh, Exclusive, ,, )
{
0x00000029,
}
})
OperationRegion (EREG, SystemMemory, 0x09080000, 0x04)
Field (EREG, DWordAcc, NoLock, WriteAsZeros)
{
ESEL, 32
}
Method (_EVT, 1, Serialized) // _EVT: Event
{
Local0 = ESEL /* \_SB_.GED_.ESEL */
If (((Local0 & 0x02) == 0x02))
{
Notify (PWRB, 0x80) // Status Change
}
If (((Local0 & 0x10) == 0x10))
{
Acquire (\_SB.PCI0.BLCK, 0xFFFF)
\_SB.PCI0.PCNT ()
Release (\_SB.PCI0.BLCK)
}
}
}
Device (PWRB)
{
Name (_HID, "PNP0C0C" /* Power Button Device */) // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
}
}
Scope (_SB.PCI0)
{
OperationRegion (PCST, SystemMemory, 0x090C0000, 0x08)
Field (PCST, DWordAcc, NoLock, WriteAsZeros)
{
PCIU, 32,
PCID, 32
}
OperationRegion (SEJ, SystemMemory, 0x090C0008, 0x04)
Field (SEJ, DWordAcc, NoLock, WriteAsZeros)
{
B0EJ, 32
}
OperationRegion (BNMR, SystemMemory, 0x090C0010, 0x08)
Field (BNMR, DWordAcc, NoLock, WriteAsZeros)
{
BNUM, 32,
PIDX, 32
}
Mutex (BLCK, 0x00)
Method (PCEJ, 2, NotSerialized)
{
Acquire (BLCK, 0xFFFF)
BNUM = Arg0
B0EJ = (One << Arg1)
Release (BLCK)
Return (Zero)
}
Method (AIDX, 2, NotSerialized)
{
Acquire (BLCK, 0xFFFF)
BNUM = Arg0
PIDX = (One << Arg1)
Local0 = PIDX /* \_SB_.PCI0.PIDX */
Release (BLCK)
Return (Local0)
}
Method (PDSM, 5, Serialized)
{
If ((Arg2 == Zero))
{
Local0 = Buffer (One)
{
0x00 // .
}
If ((Arg0 != ToUUID ("
e5c937d0-3553-4d7a-9117-
ea4d19c3434d") /* Device Labeling Interface */))
{
Return (Local0)
}
If ((Arg1 < 0x02))
{
Return (Local0)
}
Local1 = Zero
Local2 = AIDX (DerefOf (Arg4 [Zero]), DerefOf (Arg4 [One]
))
If (!((Local2 == Zero) | (Local2 == 0xFFFFFFFF)))
{
Local1 |= One
Local1 |= (One << 0x07)
}
Local0 [Zero] = Local1
Return (Local0)
}
If ((Arg2 == 0x07))
{
Local2 = AIDX (DerefOf (Arg4 [Zero]), DerefOf (Arg4 [One]
))
Local0 = Package (0x02) {}
If (!((Local2 == Zero) || (Local2 == 0xFFFFFFFF)))
{
Local0 [Zero] = Local2
Local0 [One] = ""
}
Return (Local0)
}
}
}
Scope (\_SB.PCI0)
{
Method (EDSM, 5, Serialized)
{
If ((Arg2 == Zero))
{
Local0 = Buffer (One)
{
0x00 // .
}
If ((Arg0 != ToUUID ("
e5c937d0-3553-4d7a-9117-
ea4d19c3434d") /* Device Labeling Interface */))
{
Return (Local0)
}
If ((Arg1 < 0x02))
{
Return (Local0)
}
Local0 [Zero] = 0x81
Return (Local0)
}
If ((Arg2 == 0x07))
{
Local0 = Package (0x02)
{
Zero,
""
}
Local1 = DerefOf (Arg4 [Zero])
Local0 [Zero] = Local1
Return (Local0)
}
}
Device (S00)
{
Name (_ADR, Zero) // _ADR: Address
}
Device (S08)
{
Name (_ADR, 0x00010000) // _ADR: Address
}
Device (S38)
{
Name (_ADR, 0x00070000) // _ADR: Address
Device (S00)
{
Name (_ADR, Zero) // _ADR: Address
}
Name (BSEL, One)
Scope (S00)
{
Name (ASUN, Zero)
Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method
{
Local0 = Package (0x02)
{
Zero,
Zero
}
Local0 [Zero] = BSEL /* \_SB_.PCI0.S38_.BSEL */
Local0 [One] = ASUN /* \_SB_.PCI0.S38_.S00_.ASUN */
Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0))
}
Name (_SUN, Zero) // _SUN: Slot User Number
Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device, x=0-9
{
PCEJ (BSEL, _SUN)
}
}
Method (DVNT, 2, NotSerialized)
{
If ((Arg0 & One))
{
Notify (S00, Arg1)
}
}
}
Name (BSEL, Zero)
Scope (S00)
{
Name (ASUN, Zero)
Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method
{
Local0 = Package (0x02)
{
Zero,
Zero
}
Local0 [Zero] = BSEL /* \_SB_.PCI0.BSEL */
Local0 [One] = ASUN /* \_SB_.PCI0.S00_.ASUN */
Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0))
}
Name (_SUN, Zero) // _SUN: Slot User Number
Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device, x=0-9
{
PCEJ (BSEL, _SUN)
}
}
Scope (S08)
{
Name (ASUN, One)
Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method
{
Local0 = Package (0x02)
{
Zero,
Zero
}
Local0 [Zero] = BSEL /* \_SB_.PCI0.BSEL */
Local0 [One] = ASUN /* \_SB_.PCI0.S08_.ASUN */
Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0))
}
Name (_SUN, One) // _SUN: Slot User Number
Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device, x=0-9
{
PCEJ (BSEL, _SUN)
}
}
Method (DVNT, 2, NotSerialized)
{
If ((Arg0 & One))
{
Notify (S00, Arg1)
}
If ((Arg0 & 0x02))
{
Notify (S08, Arg1)
}
}
Device (PHPR)
{
Name (_HID, "PNP0A06" /* Generic Container Device */) // _HID: Hardware ID
Name (_UID, "PCI Hotplug resources") // _UID: Unique ID
Name (_STA, 0x0B) // _STA: Status
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
IO (Decode16,
0x0000, // Range Minimum
0x0000, // Range Maximum
0x01, // Alignment
0x18, // Length
)
})
}
Scope (S38)
{
Method (PCNT, 0, NotSerialized)
{
BNUM = One
DVNT (PCIU, One)
DVNT (PCID, 0x03)
}
}
Method (PCNT, 0, NotSerialized)
{
BNUM = Zero
DVNT (PCIU, One)
DVNT (PCID, 0x03)
^S38.PCNT ()
}
}
}
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <
20250714080639.
2525563-37-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>