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Improved APIC (more human readable)

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This commit is contained in:
Alex
2022-10-25 02:24:37 +03:00
parent 7918999799
commit 6af8c9c4ee
3 changed files with 136 additions and 17 deletions
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9
Architecture/amd64/cpu/SymmetricMultiprocessing.cpp
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@ -14,8 +14,6 @@
extern "C" uint64_t _trampoline_start, _trampoline_end;
#define TRAMPOLINE_START 0x2000
enum SMPTrampolineAddress
{
PAGE_TABLE = 0x500,
@ -23,7 +21,8 @@ enum SMPTrampolineAddress
STACK = 0x570,
GDT = 0x580,
IDT = 0x590,
CORE = 0x600
CORE = 0x600,
TRAMPOLINE_START = 0x2000
};
volatile bool CPUEnabled = false;
@ -97,8 +96,8 @@ namespace SMP
POKE(volatile uint64_t, START_ADDR) = (uintptr_t)&StartCPU;
((APIC::APIC *)Interrupts::apic[0])->Write(APIC::APIC_ICRHI, (((ACPI::MADT *)madt)->lapic[i]->APICId << 24));
((APIC::APIC *)Interrupts::apic[0])->Write(APIC::APIC_ICRLO, 0x600 | ((uint32_t)TRAMPOLINE_START / PAGE_SIZE));
((APIC::APIC *)Interrupts::apic[0])->SendInitIPI(((ACPI::MADT *)madt)->lapic[i]->APICId);
((APIC::APIC *)Interrupts::apic[0])->SendStartupIPI(((ACPI::MADT *)madt)->lapic[i]->APICId, TRAMPOLINE_START);
while (!CPUEnabled)
CPU::Pause();