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Added SMP support

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This commit is contained in:
Alex
2022-10-12 03:55:58 +03:00
parent 703de2c284
commit 127476ac64
7 changed files with 159 additions and 8 deletions
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12
Kernel.cpp
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@ -7,6 +7,7 @@
#include <lock.hpp>
#include <time.hpp>
#include <debug.h>
#include <smp.hpp>
NEWLOCK(KernelLock);
@ -61,14 +62,17 @@ EXTERNC void Entry(BootInfo *Info)
BootClock.Hour, BootClock.Minute, BootClock.Second,
BootClock.Day, BootClock.Month, BootClock.Year);
KPrint("CPU: \e8822AA%s \e8888FF%s (\e058C19%s\e8888FF)", CPU::Vendor(), CPU::Name(), CPU::Hypervisor());
GetCPU(0)->ID = 0;
GetCPU(0)->IsActive = true;
GetCPU(0)->Checksum = CPU_DATA_CHECKSUM;
KPrint("Initializing GDT and IDT");
Interrupts::Initialize();
Interrupts::Initialize(0);
KPrint("Initializing CPU features");
#if defined(__amd64__)
CPU::x64::CR0 cr0 = CPU::x64::readcr0();
CPU::x64::CR4 cr4 = CPU::x64::readcr4();
uint32_t rax, rbx, rcx, rdx;
CPU::x64::cpuid(1, &rax, &rbx, &rcx, &rdx);
CPU::x64::cpuid(0x1, &rax, &rbx, &rcx, &rdx);
if (rdx & CPU::x64::CPUID_FEAT_RDX_SSE)
{
debug("Enabling SSE support...");
@ -84,7 +88,7 @@ EXTERNC void Entry(BootInfo *Info)
cr0.CD = 0;
debug("Enabling UMIP, SMEP & SMAP support...");
CPU::x64::cpuid(1, &rax, &rbx, &rcx, &rdx);
CPU::x64::cpuid(0x1, &rax, &rbx, &rcx, &rdx);
if (rdx & CPU::x64::CPUID_FEAT_RDX_UMIP)
{
KPrint("UMIP is supported.");
@ -125,6 +129,8 @@ EXTERNC void Entry(BootInfo *Info)
}
KPrint("Enabling interrupts");
Interrupts::Enable();
KPrint("Initializing SMP");
SMP::Initialize(PowerManager->GetMADT());
KPrint("\e058C19######## \eE85230END \e058C19########");
while (1)
CPU::Halt();