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Rewrite ACPI patch APIC for Intel HEDT systems

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This commit is contained in:
Hoang Hong Quan
2024-10-21 13:14:01 +07:00
parent d1655b23f4
commit d473a26d97
1 changed files with 39 additions and 17 deletions
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56
Scripts/acpi_guru.py
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@@ -2944,31 +2944,50 @@ DefinitionBlock ("", "SSDT", 2, "ZPSS", "SURFACE", 0x00001000)
def fix_apic_processor_id(self):
self.apic = self.acpi.get_table_with_signature("APIC")
processors = [line for line in self.dsdt.get("lines") if line.strip().startswith("Processor")]
new_apic = ""
if not self.apic or not processors:
if not self.apic:
return
processor_index = -1
for index, line in enumerate(self.apic.get("lines")):
if "Subtable Type" in line and "[Processor Local APIC]" in line:
processor_index += 1
apic_processor_id = self.apic["lines"][index + 2][-2:]
try:
dsdt_processor_id = processors[processor_index].split("0x")[1].split(",")[0]
except:
return
if processor_index == 0 and apic_processor_id == dsdt_processor_id:
break
self.apic["lines"][index + 2] = self.apic["lines"][index + 2][:-2] + dsdt_processor_id
for table_name in self.sorted_nicely(list(self.acpi.acpi_tables)):
table = self.acpi.acpi_tables[table_name]
processors = self.acpi.get_processor_paths(table=table)
if processor_index != -1:
if self.write_ssdt("APIC", "\n".join(self.apic.get("lines"))):
if not processors:
continue
processor_index = -1
apic_length = len(self.apic.get("lines"))
skip_unknown_subtable = False
for index in range(apic_length):
line = self.apic.get("lines")[index]
if "Unknown" in line:
skip_unknown_subtable = not skip_unknown_subtable
continue
if skip_unknown_subtable:
continue
if "Subtable Type" in line and "[Processor Local APIC]" in line:
processor_index += 1
apic_processor_id = self.apic["lines"][index + 2][-2:]
try:
processor_id = table.get("lines")[processors[processor_index][1]].split(", ")[1][2:]
except:
return
if processor_index == 0 and apic_processor_id == processor_id:
return
self.apic["lines"][index + 2] = self.apic["lines"][index + 2][:-2] + processor_id
new_apic += line + "\n"
if processor_index != -1:
return {
"Add": [
{
"Comment": "Avoid kernel panic by pointing the first CPU entry to an active CPU on HEDT systems",
"Enabled": True,
"Enabled": self.write_ssdt("APIC", new_apic),
"Path": "APIC.aml"
}
],
@@ -3072,6 +3091,9 @@ DefinitionBlock ("", "SSDT", 2, "ZPSS", "UsbReset", 0x00001000)
selected_patches.append("ALS")
selected_patches.append("PNLF")
if self.is_intel_hedt_cpu(hardware_report.get("CPU").get("Codename")):
selected_patches.append("APIC")
if "Intel" in hardware_report.get("CPU").get("Manufacturer"):
selected_patches.append("BUS0")