mirror of https://github.com/xemu-project/xemu.git
51124bbfd2
Omit HPET AML if the HPET is disabled, QEMU is not emulating it and the
guest may get confused by seeing HPET in the ACPI tables without a
"physical" device present.
The change of DSDT when -no-hpet is as follows.
@@ -141,47 +141,6 @@ DefinitionBlock ("", "DSDT", 1, "BOCHS "
}
}
- Scope (_SB)
- {
- Device (HPET)
- {
- Name (_HID, EisaId ("PNP0103") /* HPET System Timer */) // _HID: Hardware ID
- Name (_UID, Zero) // _UID: Unique ID
- OperationRegion (HPTM, SystemMemory, 0xFED00000, 0x0400)
- Field (HPTM, DWordAcc, Lock, Preserve)
- {
- VEND, 32,
- PRD, 32
- }
-
- Method (_STA, 0, NotSerialized) // _STA: Status
- {
- Local0 = VEND /* \_SB_.HPET.VEND */
- Local1 = PRD /* \_SB_.HPET.PRD_ */
- Local0 >>= 0x10
- If (((Local0 == Zero) || (Local0 == 0xFFFF)))
- {
- Return (Zero)
- }
-
- If (((Local1 == Zero) || (Local1 > 0x05F5E100)))
- {
- Return (Zero)
- }
-
- Return (0x0F)
- }
-
- Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
- {
- Memory32Fixed (ReadOnly,
- 0xFED00000, // Address Base
- 0x00000400, // Address Length
- )
- })
- }
- }
-
Scope (_SB.PCI0)
{
Device (ISA)
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <66114dead09232d04891b9e5f5a4081e85cc2c4d.1613615732.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|
||
|---|---|---|
| .. | ||
| kvm | ||
| xen | ||
| Kconfig | ||
| acpi-build.c | ||
| acpi-build.h | ||
| acpi-common.c | ||
| acpi-common.h | ||
| acpi-microvm.c | ||
| acpi-microvm.h | ||
| amd_iommu.c | ||
| amd_iommu.h | ||
| e820_memory_layout.c | ||
| e820_memory_layout.h | ||
| fw_cfg.c | ||
| fw_cfg.h | ||
| generic_event_device_x86.c | ||
| intel_iommu.c | ||
| intel_iommu_internal.h | ||
| kvmvapic.c | ||
| meson.build | ||
| microvm.c | ||
| multiboot.c | ||
| multiboot.h | ||
| pc.c | ||
| pc_piix.c | ||
| pc_q35.c | ||
| pc_sysfw.c | ||
| port92.c | ||
| trace-events | ||
| trace.h | ||
| vmmouse.c | ||
| vmport.c | ||
| x86-iommu-stub.c | ||
| x86-iommu.c | ||
| x86.c | ||