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qemu-e2k/hw/i386
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Sean Christopherson 51124bbfd2 i386: acpi: Don't build HPET ACPI entry if HPET is disabled 
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>
 		2021-02-23 10:58:42 -05:00
..
kvm qdev: Move softmmu properties to qdev-properties-system.h 2020-12-18 15:20:17 -05:00
xen hw/i386/xen: Remove dead code 2021-02-20 12:36:19 +01:00
Kconfig hw/misc/pvpanic: split-out generic and bus dependent code 2021-01-29 10:47:28 +00:00
acpi-build.c i386: acpi: Don't build HPET ACPI entry if HPET is disabled 2021-02-23 10:58:42 -05:00
acpi-build.h nvdimm: Use configurable ACPI IO base and size 2020-05-04 10:25:02 -04:00
acpi-common.c acpi: Permit OEM ID and OEM table ID fields to be changed 2021-02-05 08:52:59 -05:00
acpi-common.h acpi: Permit OEM ID and OEM table ID fields to be changed 2021-02-05 08:52:59 -05:00
acpi-microvm.c acpi: Permit OEM ID and OEM table ID fields to be changed 2021-02-05 08:52:59 -05:00
acpi-microvm.h microvm/acpi: add minimal acpi support 2020-09-17 14:16:19 +02:00
amd_iommu.c x86-iommu: Rename QOM type macros 2020-09-02 07:29:25 -04:00
amd_iommu.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
e820_memory_layout.c hw/i386/pc: Extract e820 memory layout code 2019-09-16 17:13:07 +02:00
e820_memory_layout.h hw/i386/pc: Extract e820 memory layout code 2019-09-16 17:13:07 +02:00
fw_cfg.c i386: move kvm accel files into kvm/ 2020-12-16 14:06:52 -05:00
fw_cfg.h acpi: factor out fw_cfg_add_acpi_dsdt() 2020-06-24 17:18:28 -04:00
generic_event_device_x86.c acpi: ged: add x86 device variant. 2020-09-17 14:16:19 +02:00
intel_iommu.c i386: move kvm accel files into kvm/ 2020-12-16 14:06:52 -05:00
intel_iommu_internal.h intel_iommu: Use correct shift for 256 bits qi descriptor 2020-07-22 07:57:07 -04:00
kvmvapic.c remove TCG includes from common code 2021-01-02 21:03:36 +01:00
meson.build microvm/acpi: add minimal acpi support 2020-09-17 14:16:19 +02:00
microvm.c acpi: use constants as strncpy limit 2021-02-05 08:52:59 -05:00
multiboot.c hw/core/loader: Let load_elf() populate a field with CPU-specific flags 2020-01-29 19:28:52 +01:00
multiboot.h refer to FWCfgState explicitly 2013-06-02 18:14:02 +03:00
pc.c acpi: use constants as strncpy limit 2021-02-05 08:52:59 -05:00
pc_piix.c hw/i386: Remove the deprecated pc-1.x machine types 2021-02-05 08:52:59 -05:00
pc_q35.c hw: add compat machines for 6.0 2020-12-08 13:48:58 -05:00
pc_sysfw.c sev/i386: Allow AP booting under SEV-ES 2021-02-16 17:15:39 +01:00
port92.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
trace-events hw/i386/pc: Extract the port92 device 2019-12-17 19:33:51 +01:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vmmouse.c vmmouse: put it into the 'input' category 2021-02-20 12:36:19 +01:00
vmport.c i386: do not use ram_size global 2020-12-10 12:15:08 -05:00
x86-iommu-stub.c hw/i386/x86-iommu: Add missing stubs 2020-01-09 11:41:25 +00:00
x86-iommu.c x86-iommu: Rename QOM type macros 2020-09-02 07:29:25 -04:00
x86.c i386: move kvm accel files into kvm/ 2020-12-16 14:06:52 -05:00