54 lines
1.0 KiB
C++
54 lines
1.0 KiB
C++
#include "startup.h"
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#include "../arch/acpi.h"
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#include "../arch/apic.h"
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#include "../arch/core.h"
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#include "../arch/idt.h"
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#include "../arch/pic.h"
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#include "../compiler/libc.h"
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#include "../debug/output.h"
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#include "../interrupt/handlers.h"
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extern "C" [[noreturn]] void kernel_init() {
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// Setup and load Interrupt Description Table (IDT)
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initInterruptHandlers();
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// Initialize PICs
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PIC::initialize();
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// Call global constructors
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CSU::initializer();
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//Select 5th Segment in GDT. 5<<3 == 0x28
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asm volatile ("mov $0x28, %ax");
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asm("ltr %ax");
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// Initialize ACPI
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if (!ACPI::init()) {
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DBG_VERBOSE << "No ACPI!";
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Core::die();
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}
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// Initialize APIC (using ACPI)
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if (!APIC::init()) {
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DBG_VERBOSE << "APIC Initialization failed";
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Core::die();
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}
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// Initialize the Bootstrap Processor
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Core::init();
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// Go to main function
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main();
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// Exit CPU
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DBG_VERBOSE << "CPU core " << Core::getID() << " (BSP) shutdown." << endl;
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Core::exit();
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// Call global destructors
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CSU::finalizer();
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// wait forever
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while (true) {
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Core::die();
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}
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}
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