#include "kernel.h" #include #include #include #include #include #include #include #include #include #include NewLock(KernelLock); BootInfo *bInfo = nullptr; Video::Display *Display = nullptr; SymbolResolver::Symbols *KernelSymbolTable = nullptr; Power::Power *PowerManager = nullptr; PCI::PCI *PCIManager = nullptr; Tasking::Task *TaskManager = nullptr; Time::time *TimeManager = nullptr; FileSystem::Virtual *vfs = nullptr; KernelConfig Config; Time::Clock BootClock; // For the Display class. Printing on first buffer as default. extern "C" void putchar(char c) { Display->Print(c, 0); } EXTERNC void KPrint(const char *Format, ...) { SmartLock(KernelLock); Time::Clock tm = Time::ReadClock(); printf_("\eCCCCCC[\e00AEFF%02ld:%02ld:%02ld\eCCCCCC] ", tm.Hour, tm.Minute, tm.Second); va_list args; va_start(args, Format); vprintf_(Format, args); va_end(args); putchar('\n'); Display->SetBuffer(0); } EXTERNC void Entry(BootInfo *Info) { trace("Hello, World!"); InitializeMemoryManagement(Info); BootClock = Time::ReadClock(); bInfo = (BootInfo *)KernelAllocator.RequestPages(TO_PAGES(sizeof(BootInfo))); memcpy(bInfo, Info, sizeof(BootInfo)); debug("BootInfo structure is at %p", bInfo); Display = new Video::Display(bInfo->Framebuffer[0]); printf_("\eFFFFFF%s - %s [\e058C19%s\eFFFFFF]\n", KERNEL_NAME, KERNEL_VERSION, GIT_COMMIT_SHORT); /**************************************************************************************/ KPrint("Time: \e8888FF%02d:%02d:%02d %02d/%02d/%02d UTC", 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()); KPrint("Initializing GDT and IDT"); Interrupts::Initialize(0); KPrint("Initializing CPU Features"); CPU::InitializeFeatures(); KPrint("Loading Kernel Symbols"); KernelSymbolTable = new SymbolResolver::Symbols((uint64_t)Info->Kernel.FileBase); KPrint("Reading Kernel Parameters"); Config = ParseConfig((char *)bInfo->Kernel.CommandLine); KPrint("Initializing Power Manager"); PowerManager = new Power::Power; KPrint("Initializing PCI Manager"); PCIManager = new PCI::PCI; foreach (auto Device in PCIManager->GetDevices()) { KPrint("PCI: \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s", PCI::Descriptors::GetVendorName(Device->VendorID), PCI::Descriptors::GetDeviceName(Device->VendorID, Device->DeviceID), PCI::Descriptors::DeviceClasses[Device->Class], PCI::Descriptors::GetSubclassName(Device->Class, Device->Subclass), PCI::Descriptors::GetProgIFName(Device->Class, Device->Subclass, Device->ProgIF)); } KPrint("Enabling Interrupts on Bootstrap Processor"); Interrupts::Enable(0); KPrint("Initializing Timers"); #if defined(__amd64__) TimeManager = new Time::time(PowerManager->GetACPI()); #elif defined(__i386__) TimeManager = new Time::time(PowerManager->GetACPI()); #elif defined(__aarch64__) TimeManager = new Time::time(nullptr); #endif KPrint("Initializing Bootstrap Processor Timer"); Interrupts::InitializeTimer(0); KPrint("Initializing SMP"); SMP::Initialize(PowerManager->GetMADT()); TaskManager = new Tasking::Task((Tasking::IP)KernelMainThread); KPrint("\e058C19######## \eE85230END \e058C19########"); CPU::Halt(true); }