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Added APIC & SMP stub

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This commit is contained in:
Alex
2022-10-11 02:43:23 +03:00
parent f2f26c70a3
commit ad9817a2db
10 changed files with 953 additions and 11 deletions
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12
Architecture/amd64/MultipleAPICDescriptionTable.cpp
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@ -7,7 +7,7 @@ namespace ACPI
{
MADT::MADT(ACPI::MADTHeader *madt)
{
LAPICAddr = (LAPIC *)(uintptr_t)madt->LocalControllerAddress;
LAPICAddress = (LAPIC *)(uintptr_t)madt->LocalControllerAddress;
for (uint8_t *ptr = (uint8_t *)(madt->Entries);
(uintptr_t)(ptr) < (uintptr_t)(madt) + madt->Header.Length;
ptr += *(ptr + 1))
@ -27,8 +27,8 @@ namespace ACPI
case 1:
{
ioapic.push_back((MADTIOApic *)ptr);
trace("I/O APIC %#llx (Address %#llx) found.", ioapic.back()->APICID, ioapic.back()->addr);
Memory::Virtual().Map((void *)(uintptr_t)ioapic.back()->addr, (void *)(uintptr_t)ioapic.back()->addr, Memory::PTFlag::RW | Memory::PTFlag::PCD); // Make sure that the address is mapped.
trace("I/O APIC %#llx (Address %#llx) found.", ioapic.back()->APICID, ioapic.back()->Address);
Memory::Virtual().Map((void *)(uintptr_t)ioapic.back()->Address, (void *)(uintptr_t)ioapic.back()->Address, Memory::PTFlag::RW | Memory::PTFlag::PCD); // Make sure that the address is mapped.
break;
}
case 2:
@ -48,12 +48,12 @@ namespace ACPI
}
case 5:
{
LAPICAddr = (LAPIC *)ptr;
trace("APIC found at %#llx", LAPICAddr);
LAPICAddress = (LAPIC *)ptr;
trace("APIC found at %#llx", LAPICAddress);
break;
}
}
Memory::Virtual().Map((void *)LAPICAddr, (void *)LAPICAddr, Memory::PTFlag::RW | Memory::PTFlag::PCD); // I should map more than one page?
Memory::Virtual().Map((void *)LAPICAddress, (void *)LAPICAddress, Memory::PTFlag::RW | Memory::PTFlag::PCD); // I should map more than one page?
}
trace("Total CPU cores: %d", CPUCores);
}