mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-05-25 22:14:37 +00:00
98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
#include "kernel.h"
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#include <boot/protocols/multiboot2.h>
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#include <interrupts.hpp>
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#include <memory.hpp>
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#include <convert.h>
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#include <printf.h>
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#include <lock.hpp>
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#include <debug.h>
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#include <smp.hpp>
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#include <cargs.h>
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#include <io.h>
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NewLock(KernelLock);
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BootInfo *bInfo = nullptr;
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Video::Display *Display = nullptr;
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SymbolResolver::Symbols *KernelSymbolTable = nullptr;
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Power::Power *PowerManager = nullptr;
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PCI::PCI *PCIManager = nullptr;
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Tasking::Task *TaskManager = nullptr;
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Time::time *TimeManager = nullptr;
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KernelConfig Config;
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Time::Clock BootClock;
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// For the Display class. Printing on first buffer as default.
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extern "C" void putchar(char c) { Display->Print(c, 0); }
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EXTERNC void KPrint(const char *Format, ...)
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{
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SmartLock(KernelLock);
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Time::Clock tm = Time::ReadClock();
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printf_("\eCCCCCC[\e00AEFF%02ld:%02ld:%02ld\eCCCCCC] ", tm.Hour, tm.Minute, tm.Second);
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va_list args;
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va_start(args, Format);
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vprintf_(Format, args);
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va_end(args);
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putchar('\n');
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Display->SetBuffer(0);
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}
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EXTERNC void Entry(BootInfo *Info)
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{
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trace("Hello, World!");
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InitializeMemoryManagement(Info);
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BootClock = Time::ReadClock();
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bInfo = (BootInfo *)KernelAllocator.RequestPages(TO_PAGES(sizeof(BootInfo)));
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memcpy(bInfo, Info, sizeof(BootInfo));
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debug("BootInfo structure is at %p", bInfo);
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Display = new Video::Display(bInfo->Framebuffer[0]);
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printf_("\eFFFFFF%s - %s [\e058C19%s\eFFFFFF]\n", KERNEL_NAME, KERNEL_VERSION, GIT_COMMIT_SHORT);
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/**************************************************************************************/
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KPrint("Time: \e8888FF%02d:%02d:%02d %02d/%02d/%02d UTC",
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BootClock.Hour, BootClock.Minute, BootClock.Second,
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BootClock.Day, BootClock.Month, BootClock.Year);
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KPrint("CPU: \e8822AA%s \e8888FF%s (\e058C19%s\e8888FF)", CPU::Vendor(), CPU::Name(), CPU::Hypervisor());
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KPrint("Initializing GDT and IDT");
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Interrupts::Initialize(0);
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KPrint("Initializing CPU Features");
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CPU::InitializeFeatures();
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KPrint("Loading Kernel Symbols");
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KernelSymbolTable = new SymbolResolver::Symbols((uint64_t)Info->Kernel.FileBase);
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KPrint("Reading Kernel Parameters");
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Config = ParseConfig((char *)bInfo->Kernel.CommandLine);
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KPrint("Initializing Power Manager");
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PowerManager = new Power::Power;
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KPrint("Initializing PCI Manager");
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PCIManager = new PCI::PCI;
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foreach (auto Device in PCIManager->GetDevices())
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{
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KPrint("PCI: \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s",
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PCI::Descriptors::GetVendorName(Device->VendorID),
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PCI::Descriptors::GetDeviceName(Device->VendorID, Device->DeviceID),
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PCI::Descriptors::DeviceClasses[Device->Class],
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PCI::Descriptors::GetSubclassName(Device->Class, Device->Subclass),
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PCI::Descriptors::GetProgIFName(Device->Class, Device->Subclass, Device->ProgIF));
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}
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KPrint("Enabling Interrupts on Bootstrap Processor");
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Interrupts::Enable(0);
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KPrint("Initializing Timers");
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#if defined(__amd64__)
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TimeManager = new Time::time(PowerManager->GetACPI());
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#elif defined(__i386__)
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TimeManager = new Time::time(PowerManager->GetACPI());
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#elif defined(__aarch64__)
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TimeManager = new Time::time(nullptr);
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#endif
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KPrint("Initializing Bootstrap Processor Timer");
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Interrupts::InitializeTimer(0);
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KPrint("Initializing SMP");
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SMP::Initialize(PowerManager->GetMADT());
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TaskManager = new Tasking::Task((Tasking::IP)KernelMainThread);
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KPrint("\e058C19######## \eE85230END \e058C19########");
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while (1)
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CPU::Halt();
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}
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