mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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config_tools: generate vDSDT according to allocated resources
This patch generates vDSDT for pre-launched VMs based on the scenario
configuration and static allocation results. The vDSDT contains the
following objects.
* A device object representing the root PCI bus which has the same
location and name as the object in physical DSDT. This object contains
device identification objects such as _HID, _CID, _BBN and _UID, the
_CRS object encoding the bus numbers and PCI hole regions, and the _PRT
object encoding the routing from vPCI device pins to virtual interrupt
lines.
* For each pass-through device assigned to the VM, a device object is
created based on the AML template of that device in board XML (if
exists). The _ADR object is rewritten with the vBDF..
v1 -> v2:
* In order to replace the current static vDSDT, the AML templates in
board XMLs now include objects that are referenced by other devices as
well.
* When TPM is assigned, the corresponding device object in DSDT (if
exists) will be copied.
* Add the _S5 control method to vDSDT, as is done in the static DSDT
sources.
* The old vDSDT generation routine and the static DSDT sources it uses
are removed.
v2 -> v3:
* Only follow 'uses', 'is used by' or 'consumes resources by'
dependencies.
* Organize the device objects in vDSDT according to the scopes they are
in.
Tracked-On: #6287
Signed-off-by: Junjie Mao <junjie.mao@intel.com>
This commit is contained in:
Junjie Mao
wenlingz
parent
5c34fd0c56
commit
07c2f604ae
@ -15,7 +15,7 @@ TEMPLATE_ACPI_PATH = os.path.join(VM_CONFIGS_PATH, 'acpi_template', 'template')
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ACPI_TABLE_LIST = [('rsdp.asl', 'rsdp.aml'), ('xsdt.asl', 'xsdt.aml'), ('facp.asl', 'facp.aml'),
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('mcfg.asl', 'mcfg.aml'), ('apic.asl', 'apic.aml'), ('tpm2.asl', 'tpm2.aml'),
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('dsdt.asl', 'dsdt.aml'), ('PTCT', 'ptct.aml'), ('RTCT', 'rtct.aml')]
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('dsdt.aml', 'dsdt.aml'), ('PTCT', 'ptct.aml'), ('RTCT', 'rtct.aml')]
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ACPI_BASE = 0x7ff00000
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@ -5,13 +5,19 @@
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"""
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import os, re, argparse, shutil
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import xml.etree.ElementTree as ElementTree
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import sys, os, re, argparse, shutil, ctypes
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from acpi_const import *
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import board_cfg_lib
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import board_cfg_lib, common
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import collections
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import lxml.etree
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sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'board_inspector'))
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from acpiparser import rdt
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from acpiparser.dsdt import parse_tree
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from acpiparser.aml import builder
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from acpiparser.aml.context import Context
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from acpiparser.aml.visitors import GenerateBinaryVisitor, PrintLayoutVisitor
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def calculate_checksum8():
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'''
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this function is implemented in iasl.
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@ -327,61 +333,304 @@ def gen_tpm2(dest_vm_acpi_path, passthru_devices):
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dest.writelines(lines)
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def gen_dsdt(dest_vm_acpi_path, passthru_devices, board_info):
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'''
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generate dsdt.asl
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:param dest_vm_acpi_path: the path to store generated ACPI asl code
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:param passthru_devices:
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:return:
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'''
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dsdt_asl = 'dsdt.asl'
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p_dsdt_start = r'{'
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(bdf_desc_map, bdf_vpid_map) = board_cfg_lib.get_pci_info(board_info)
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with open(os.path.join(dest_vm_acpi_path, dsdt_asl), 'w') as dest:
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lines = []
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with open(os.path.join(TEMPLATE_ACPI_PATH, dsdt_asl), 'r') as src:
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for line in src.readlines():
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lines.append(line)
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if line.startswith(p_dsdt_start):
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for passthru_device in passthru_devices:
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passthru_bdf = None
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passthru_vpid = None
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for bdf in bdf_desc_map.keys():
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if bdf_desc_map[bdf].find(passthru_device) >= 0:
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passthru_bdf = bdf
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break
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if passthru_bdf is not None and passthru_bdf in bdf_vpid_map.keys():
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passthru_vpid = bdf_vpid_map[passthru_bdf]
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if passthru_device in ['TPM2']:
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tpm2_asl = os.path.join(TEMPLATE_ACPI_PATH, 'dsdt_tpm2.asl')
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start = False
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with open(tpm2_asl, 'r') as tpm2_src:
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for tpm2_line in tpm2_src.readlines():
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if tpm2_line.startswith('{'):
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start = True
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continue
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if tpm2_line.startswith('}'):
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start = False
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continue
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if start:
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lines.append(tpm2_line)
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elif passthru_vpid is not None and passthru_vpid == TSN_DEVICE_LIST[1]:
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otn1_asl = os.path.join(TEMPLATE_ACPI_PATH, 'dsdt_tsn_otn1.asl')
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start = False
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with open(otn1_asl, 'r') as otn1_src:
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for otn1_line in otn1_src.readlines():
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if otn1_line.startswith('{'):
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start = True
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continue
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if otn1_line.startswith('}'):
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start = False
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continue
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if start:
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lines.append(otn1_line)
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else:
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pass
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dest.writelines(lines)
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def encode_eisa_id(s):
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chars = list(map(lambda x: (ord(x) - 0x40) & 0x1F, s[0:3]))
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digits = list(map(lambda x: int(x, 16), s[3:7]))
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encoded = [
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(chars[0] << 2) | (chars[1] >> 3), # Bit 6:2 is char[0]; Bit 1:0 is the higher 2 bits of char[1].
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((chars[1] & 0x7) << 5) | (chars[2]), # Bit 7:5 is the lower 3 bits of char[1]; Bit 4:0 is char[2].
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(digits[0] << 4) | (digits[1]), # Bit 7:4 is digits[0]; Bit 3:0 is digits[1]
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(digits[2] << 4) | (digits[3]), # Bit 7:4 is digits[2]; Bit 3:0 is digits[2]
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]
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return int.from_bytes(bytes(encoded), sys.byteorder)
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def gen_root_pci_bus(path, prt_packages):
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resources = []
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# Bus number
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cls = rdt.LargeResourceItemWordAddressSpace_factory()
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length = ctypes.sizeof(cls)
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data = bytearray(length)
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res = cls.from_buffer(data)
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res.type = 1 # Large type
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res.name = rdt.LARGE_RESOURCE_ITEM_WORD_ADDRESS_SPACE
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res.length = length - 3
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res._TYP = 2 # Bus number range
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res._DEC = 0 # Positive decoding
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res._MIF = 1 # Minimum address fixed
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res._MAF = 1 # Maximum address fixed
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res.flags = 0
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res._MAX = 0xff
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res._LEN = 0x100
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resources.append(data)
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# The PCI hole below 4G
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cls = rdt.LargeResourceItemDWordAddressSpace_factory()
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length = ctypes.sizeof(cls)
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data = bytearray(length)
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res = cls.from_buffer(data)
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res.type = 1 # Large type
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res.name = rdt.LARGE_RESOURCE_ITEM_ADDRESS_SPACE_RESOURCE
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res.length = length - 3
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res._TYP = 0 # Memory range
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res._DEC = 0 # Positive decoding
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res._MIF = 1 # Minimum address fixed
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res._MAF = 1 # Maximum address fixed
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res.flags = 1 # read-write, non-cachable, TypeStatic
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res._MIN = 0x80000000
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res._MAX = 0xdfffffff
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res._LEN = 0x60000000
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resources.append(data)
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# The PCI hole above 4G
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cls = rdt.LargeResourceItemQWordAddressSpace_factory()
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length = ctypes.sizeof(cls)
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data = bytearray(length)
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res = cls.from_buffer(data)
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res.type = 1 # Large type
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res.name = rdt.LARGE_RESOURCE_ITEM_QWORD_ADDRESS_SPACE
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res.length = length - 3
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res._TYP = 0 # Memory range
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res._DEC = 0 # Positive decoding
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res._MIF = 1 # Minimum address fixed
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res._MAF = 1 # Maximum address fixed
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res.flags = 1 # read-write, non-cachable, TypeStatic
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res._MIN = 0x4000000000
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res._MAX = 0x7fffffffff
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res._LEN = 0x4000000000
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resources.append(data)
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# End tag
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resources.append(bytes([0x79, 0]))
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resource_buf = bytearray().join(resources)
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checksum = (256 - (sum(resource_buf) % 256)) % 256
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resource_buf[-1] = checksum
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# Device object for the root PCI bus
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tree = builder.DefDevice(
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builder.PkgLength(),
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path,
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builder.TermList(
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builder.DefName(
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"_HID",
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builder.DWordConst(encode_eisa_id("PNP0A08"))),
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builder.DefName(
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"_CID",
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builder.DWordConst(encode_eisa_id("PNP0A03"))),
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builder.DefName(
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"_BBN",
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builder.ZeroOp()),
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builder.DefName(
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"_UID",
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builder.ZeroOp()),
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builder.DefName(
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"_CRS",
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builder.DefBuffer(
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builder.PkgLength(),
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builder.WordConst(len(resource_buf)),
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builder.ByteList(resource_buf))),
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builder.DefName(
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"_PRT",
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builder.DefPackage(
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builder.PkgLength(),
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builder.ByteData(len(prt_packages)),
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builder.PackageElementList(*prt_packages)))))
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return tree
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def collect_dependent_devices(board_etree, device_node):
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types_in_scope = ["uses", "is used by", "consumes resources from"]
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result = set()
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queue = [device_node]
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while queue:
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device = queue.pop()
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if device not in result:
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result.add(device)
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for node in device.findall("dependency"):
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if node.get("type") in types_in_scope:
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peer_device = common.get_node(f"//device[acpi_object='{node.text}']", board_etree)
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if peer_device is not None:
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queue.append(peer_device)
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result.discard(device_node)
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return result
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def add_or_replace_object(device_object, new_tree):
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name = new_tree.NameString.value
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objects_tree = device_object.TermList
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for idx, object_tree in enumerate(objects_tree.children):
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if object_tree.NameString.value == name:
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objects_tree.children[idx] = new_tree
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return
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objects_tree.append_child(new_tree)
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class ObjectCollector:
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def __init__(self):
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self.__objects = collections.defaultdict(lambda: [])
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@staticmethod
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def __discard_external_objects(tree):
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objects_tree = tree.TermList
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objects_tree.children = list(filter(lambda x: x.label != "DefExternal", objects_tree.children))
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return tree
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def add_device_object(self, device_object):
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device_path = device_object.NameString.value
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scope = Context.parent(device_path)
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device_name = device_path[-4:]
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device_object.NameString.value = device_name
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self.__objects[scope].append(self.__discard_external_objects(device_object))
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def add_object(self, scope, obj):
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self.__objects[scope].append(obj)
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def __get_scope_contents(self, termlist, path):
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scopes = [i for i in path.lstrip("\\").split(".") if i]
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ret = termlist
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for scope in scopes:
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for term in ret:
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if term.label in ["DefScope", "DefDevice"] and term.NameString.value == scope:
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ret = term.TermList.children
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break
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else:
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tree = builder.DefScope(builder.PkgLength(), scope, builder.TermList())
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ret.append(tree)
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ret = tree.TermList.children
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return ret
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def get_term_list(self):
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acc = []
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for scope, objects in sorted(self.__objects.items(), key=lambda p:p[0]):
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if scope.startswith("\\"):
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self.__get_scope_contents(acc, scope).extend(objects)
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else:
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print(f"Relative scope is unexpected: {scope}. The objects will be added to the root scope.")
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acc.extend(objects)
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return acc
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def gen_dsdt(board_etree, scenario_etree, allocation_etree, vm_id, dest_path):
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interrupt_pin_ids = {
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"INTA#": 0,
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"INTB#": 1,
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"INTC#": 2,
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"INTD#": 3,
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}
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header = builder.DefBlockHeader(
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int.from_bytes(bytearray("DSDT", "ascii"), sys.byteorder), # Signature
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0x0badbeef, # Length, will calculate later
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3, # Revision
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0, # Checksum, will calculate later
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int.from_bytes(bytearray("ACRN ", "ascii"), sys.byteorder), # OEM ID
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int.from_bytes(bytearray("ACRNDSDT", "ascii"), sys.byteorder), # OEM Table ID
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1, # OEM Revision
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int.from_bytes(bytearray("INTL", "ascii"), sys.byteorder), # Compiler ID
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0x20190703, # Compiler Version
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)
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objects = ObjectCollector()
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prt_packages = []
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pci_dev_regex = re.compile(r"([0-9a-f]{2}):([0-1][0-9a-f]{1}).([0-7]) .*")
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for pci_dev in scenario_etree.xpath(f"//vm[@id='{vm_id}']/pci_devs/pci_dev/text()"):
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m = pci_dev_regex.match(pci_dev)
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if m:
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device_number = int(m.group(2), 16)
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function_number = int(m.group(3))
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bus_number = int(m.group(1), 16)
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bdf = f"{bus_number:02x}:{device_number:02x}.{function_number}"
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address = hex((device_number << 16) | (function_number))
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device_node = common.get_node(f"//bus[@address='{hex(bus_number)}']/device[@address='{address}']", board_etree)
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alloc_node = common.get_node(f"/acrn-config/vm[@id='{vm_id}']/device[@name='PTDEV_{bdf}']", allocation_etree)
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if device_node is not None and alloc_node is not None:
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assert int(alloc_node.find("bus").text, 16) == 0, "Virtual PCI devices must be on bus 0."
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vdev = int(alloc_node.find("dev").text, 16)
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vfunc = int(alloc_node.find("func").text, 16)
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# The AML object template, with _ADR replaced to vBDF
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template = device_node.find("aml_template")
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if template is not None:
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tree = parse_tree("DefDevice", bytes.fromhex(template.text))
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vaddr = (vdev << 16) | vfunc
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add_or_replace_object(tree,
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builder.DefName("_ADR", builder.build_value(vaddr)))
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objects.add_device_object(tree)
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# The _PRT remapping package, if necessary
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intr_pin_node = common.get_node("resource[@type='interrupt_pin']", device_node)
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virq_node = common.get_node("pt_intx", alloc_node)
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if intr_pin_node is not None and virq_node is not None:
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pin_id = interrupt_pin_ids[intr_pin_node.get("pin")]
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vaddr = (vdev << 16) | 0xffff
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pirq = int(intr_pin_node.get("source", -1))
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virq_mapping = dict(eval(f"[{virq_node.text.replace(' ','').replace(')(', '), (')}]"))
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if pirq in virq_mapping.keys():
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virq = virq_mapping[pirq]
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prt_packages.append(
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builder.DefPackage(
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builder.PkgLength(),
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builder.ByteData(4),
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builder.PackageElementList(
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builder.build_value(vaddr),
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builder.build_value(pin_id),
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builder.build_value(0),
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builder.build_value(virq))))
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for peer_device_node in collect_dependent_devices(board_etree, device_node):
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template = peer_device_node.find("aml_template")
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if template is not None:
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tree = parse_tree("DefDevice", bytes.fromhex(template.text))
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objects.add_device_object(tree)
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root_pci_bus = board_etree.xpath("//bus[@type='pci' and @address='0x0']")
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if root_pci_bus:
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acpi_object = root_pci_bus[0].find("acpi_object")
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if acpi_object is not None:
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path = acpi_object.text
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objects.add_device_object(gen_root_pci_bus(path, prt_packages))
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# If TPM is assigned to the VM, copy the TPM2 device object to vACPI as well.
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#
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# FIXME: Today the TPM2 MMIO registers are always located at 0xFED40000 with length 0x5000. The same address is used
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# as the guest physical address of the passed through TPM2. Thus, it works for now to reuse the host TPM2 device
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# object without updating the addresses of operation regions or resource descriptors. It is, however, necessary to
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# introduce a pass to translate such address to arbitrary guest physical ones in the future.
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has_tpm2 = common.get_node(f"//vm[@id='{vm_id}']//TPM2/text()", scenario_etree)
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if has_tpm2 == "y":
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# TPM2 devices should have "MSFT0101" as hardware id or compatible ID
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template = common.get_node("//device[@id='MSFT0101']/aml_template", board_etree)
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if template is None:
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template = common.get_node("//device[compatible_id='MSFT0101']/aml_template", board_etree)
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if template is not None:
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tree = parse_tree("DefDevice", bytes.fromhex(template.text))
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objects.add_device_object(tree)
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s5_object = builder.DefName(
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"_S5_",
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builder.DefPackage(
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builder.PkgLength(),
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2,
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builder.PackageElementList(
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builder.build_value(5),
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builder.build_value(0))))
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objects.add_object("\\", s5_object)
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amlcode = builder.AMLCode(header, *objects.get_term_list())
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with open(dest_path, "wb") as dest:
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visitor = GenerateBinaryVisitor()
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binary = bytearray(visitor.generate(amlcode))
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# Overwrite length
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binary[4:8] = len(binary).to_bytes(4, sys.byteorder)
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# Overwrite checksum
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checksum = (256 - (sum(binary) % 256)) % 256
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binary[9] = checksum
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dest.write(binary)
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def main(args):
|
||||
|
||||
@ -396,8 +645,10 @@ def main(args):
|
||||
out = params['--out']
|
||||
|
||||
board_etree = lxml.etree.parse(board)
|
||||
board_root = ElementTree.parse(board).getroot()
|
||||
scenario_root = ElementTree.parse(scenario).getroot()
|
||||
board_root = board_etree.getroot()
|
||||
scenario_etree = lxml.etree.parse(scenario)
|
||||
scenario_root = scenario_etree.getroot()
|
||||
allocation_etree = lxml.etree.parse(os.path.join(os.path.dirname(board), "configs", "allocation.xml"))
|
||||
board_type = board_root.attrib['board']
|
||||
scenario_name = scenario_root.attrib['scenario']
|
||||
pcpu_list = board_root.find('CPU_PROCESSOR_INFO').text.strip().split(',')
|
||||
@ -487,7 +738,7 @@ def main(args):
|
||||
|
||||
gen_madt(dest_vm_acpi_path, len(dict_pcpu_list[vm_id]), apic_ids)
|
||||
gen_tpm2(dest_vm_acpi_path, passthru_devices)
|
||||
gen_dsdt(dest_vm_acpi_path, passthru_devices, board)
|
||||
gen_dsdt(board_etree, scenario_etree, allocation_etree, vm_id, os.path.join(dest_vm_acpi_path, "dsdt.aml"))
|
||||
print('generate ASL code of ACPI tables for VM {} into {}'.format(vm_id, dest_vm_acpi_path))
|
||||
else:
|
||||
emsg = 'no cpu affinity config for VM {}'.format(vm_id)
|
||||
@ -500,4 +751,3 @@ def main(args):
|
||||
if __name__ == '__main__':
|
||||
|
||||
main(sys.argv)
|
||||
|
||||
|
||||
@ -42,15 +42,19 @@ def asl_to_aml(dest_vm_acpi_path, dest_vm_acpi_bin_path):
|
||||
shutil.copyfile(os.path.join(dest_vm_acpi_path, acpi_table[0]),
|
||||
os.path.join(dest_vm_acpi_bin_path, acpi_table[1]))
|
||||
else:
|
||||
rc = exec_command('iasl {}'.format(acpi_table[0]))
|
||||
if rc == 0 and os.path.isfile(os.path.join(dest_vm_acpi_path, acpi_table[1])):
|
||||
shutil.move(os.path.join(dest_vm_acpi_path, acpi_table[1]),
|
||||
if acpi_table[0].endswith(".asl"):
|
||||
rc = exec_command('iasl {}'.format(acpi_table[0]))
|
||||
if rc == 0 and os.path.isfile(os.path.join(dest_vm_acpi_path, acpi_table[1])):
|
||||
shutil.move(os.path.join(dest_vm_acpi_path, acpi_table[1]),
|
||||
os.path.join(dest_vm_acpi_bin_path, acpi_table[1]))
|
||||
else:
|
||||
if os.path.isfile(os.path.join(dest_vm_acpi_path, acpi_table[1])):
|
||||
os.remove(os.path.join(dest_vm_acpi_path, acpi_table[1]))
|
||||
rmsg = 'failed to compile {}'.format(acpi_table[0])
|
||||
break
|
||||
elif acpi_table[0].endswith(".aml"):
|
||||
shutil.copy(os.path.join(dest_vm_acpi_path, acpi_table[0]),
|
||||
os.path.join(dest_vm_acpi_bin_path, acpi_table[1]))
|
||||
else:
|
||||
if os.path.isfile(os.path.join(dest_vm_acpi_path, acpi_table[1])):
|
||||
os.remove(os.path.join(dest_vm_acpi_path, acpi_table[1]))
|
||||
rmsg = 'failed to compile {}'.format(acpi_table[0])
|
||||
break
|
||||
|
||||
os.chdir(curr_path)
|
||||
if not rmsg:
|
||||
|
||||
@ -1,25 +0,0 @@
|
||||
/*
|
||||
* Intel ACPI Component Architecture
|
||||
* AML/ASL+ Disassembler version 20190703 (64-bit version)
|
||||
* Copyright (c) 2000 - 2019 Intel Corporation
|
||||
*
|
||||
* Original Table Header:
|
||||
* Signature "DSDT"
|
||||
* Length 0x00000051 (81)
|
||||
* Revision 0x03
|
||||
* Checksum 0xF0
|
||||
* OEM ID "ACRN "
|
||||
* OEM Table ID "ACRNDSDT"
|
||||
* OEM Revision 0x00000001 (1)
|
||||
* Compiler ID "INTL"
|
||||
* Compiler Version 0x20190703 (538511107)
|
||||
*/
|
||||
DefinitionBlock ("", "DSDT", 3, "ACRN ", "ACRNDSDT", 0x00000001)
|
||||
{
|
||||
Name (_S5, Package ()
|
||||
{
|
||||
0x05,
|
||||
Zero,
|
||||
})
|
||||
}
|
||||
|
||||
@ -1,30 +0,0 @@
|
||||
/*
|
||||
* Intel ACPI Component Architecture
|
||||
* AML/ASL+ Disassembler version 20190703 (64-bit version)
|
||||
*
|
||||
* Original Table Header:
|
||||
* Signature "DSDT"
|
||||
* Length 0x00000051 (81)
|
||||
* Revision 0x03
|
||||
* Checksum 0xF0
|
||||
* OEM ID "ACRN "
|
||||
* OEM Table ID "ACRNDSDT"
|
||||
* OEM Revision 0x00000001 (1)
|
||||
* Compiler ID "INTL"
|
||||
* Compiler Version 0x20190703 (538511107)
|
||||
*/
|
||||
DefinitionBlock ("", "DSDT", 3, "ACRN ", "ACRNDSDT", 0x00000001)
|
||||
{
|
||||
Device (TPM)
|
||||
{
|
||||
Name (_HID, "MSFT0101" /* TPM 2.0 Security Device */) // _HID: Hardware ID
|
||||
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
|
||||
{
|
||||
Memory32Fixed (ReadWrite,
|
||||
0xFED40000, // Address Base
|
||||
0x00005000, // Address Length
|
||||
)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,64 +0,0 @@
|
||||
/*
|
||||
* Intel ACPI Component Architecture
|
||||
* AML/ASL+ Disassembler version 20180105 (64-bit version)
|
||||
* Copyright (c) 2000 - 2018 Intel Corporation
|
||||
*
|
||||
* Original Table Header:
|
||||
* Signature "DSDT"
|
||||
* Length 0x00000102 (258)
|
||||
* Revision 0x03
|
||||
* Checksum 0x08
|
||||
* OEM ID "ACRN "
|
||||
* OEM Table ID "ACRNDSDT"
|
||||
* OEM Revision 0x00000001 (1)
|
||||
* Compiler ID "INTL"
|
||||
* Compiler Version 0x20180105 (538444037)
|
||||
*/
|
||||
DefinitionBlock ("", "DSDT", 3, "ACRN ", "ACRNDSDT", 0x00000001)
|
||||
{
|
||||
Scope (_SB)
|
||||
{
|
||||
Device (OTN1)
|
||||
{
|
||||
Name (_ADR, 0x00020000) // _ADR: Address
|
||||
OperationRegion (TSRT, PCI_Config, Zero, 0x0100)
|
||||
Field (TSRT, AnyAcc, NoLock, Preserve)
|
||||
{
|
||||
DVID, 16,
|
||||
Offset (0x10),
|
||||
TADL, 32,
|
||||
TADH, 32
|
||||
}
|
||||
}
|
||||
|
||||
Device (PCS2)
|
||||
{
|
||||
Name (_HID, "INTC1033") // _HID: Hardware ID
|
||||
Name (_UID, Zero) // _UID: Unique ID
|
||||
Method (_STA, 0, NotSerialized) // _STA: Status
|
||||
{
|
||||
Return (0x0F)
|
||||
}
|
||||
|
||||
Method (_CRS, 0, Serialized) // _CRS: Current Resource Settings
|
||||
{
|
||||
Name (PCSR, ResourceTemplate ()
|
||||
{
|
||||
Memory32Fixed (ReadWrite,
|
||||
0x00000000, // Address Base
|
||||
0x00000004, // Address Length
|
||||
_Y00)
|
||||
Memory32Fixed (ReadWrite,
|
||||
0x00000000, // Address Base
|
||||
0x00000004, // Address Length
|
||||
_Y01)
|
||||
})
|
||||
CreateDWordField (PCSR, \_SB.PCS2._CRS._Y00._BAS, MAL0) // _BAS: Base Address
|
||||
MAL0 = ((^^OTN1.TADL & 0xFFFFF000) + 0x0200)
|
||||
CreateDWordField (PCSR, \_SB.PCS2._CRS._Y01._BAS, MDL0) // _BAS: Base Address
|
||||
MDL0 = ((^^OTN1.TADL & 0xFFFFF000) + 0x0204)
|
||||
Return (PCSR) /* \_SB_.PCS2._CRS.PCSR */
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user