#include "kernel.h" #include #include #include #include #include #include #include #include #include #include #include "Core/smbios.hpp" 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; extern bool EnableProfiler; // For the Display class. Printing on first buffer as default. EXTERNC 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 __no_instrument_function void PostEntry(BootInfo *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); #if defined(__amd64__) PowerManager->InitDSDT(); #elif defined(__i386__) // FIXME: Add ACPI support for i386 #elif defined(__aarch64__) #endif 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()); if (SMBIOS::CheckSMBIOS()) { SMBIOS::SMBIOSEntryPoint *smbios = SMBIOS::GetSMBIOSEntryPoint(); SMBIOS::SMBIOSBIOSInformation *bios = SMBIOS::GetBIOSInformation(); SMBIOS::SMBIOSSystemInformation *system = SMBIOS::GetSystemInformation(); SMBIOS::SMBIOSBaseBoardInformation *baseboard = SMBIOS::GetBaseBoardInformation(); debug("SMBIOS: %p", smbios); debug("BIOS: %p", bios); debug("System: %p", system); debug("Baseboard: %p", baseboard); if (smbios) KPrint("SMBIOS: \eCCCCCCString:\e8888FF%.4s \eCCCCCCVersion (Major Minor):\e8888FF%d %d \eCCCCCCTable:\e8888FF%#x \eCCCCCCLength:\e8888FF%d", smbios->EntryPointString, smbios->MajorVersion, smbios->MinorVersion, smbios->TableAddress, smbios->TableLength); else KPrint("SMBIOS: \e8888FFSMBIOS found but not supported?"); if (bios) { const char *BIOSVendor = bios->GetString(bios->Vendor); const char *BIOSVersion = bios->GetString(bios->Version); const char *BIOSReleaseDate = bios->GetString(bios->ReleaseDate); debug("%d %d %d", bios->Vendor, bios->Version, bios->ReleaseDate); KPrint("BIOS: \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s", BIOSVendor, BIOSVersion, BIOSReleaseDate); } if (system) { const char *SystemManufacturer = system->GetString(system->Manufacturer); const char *SystemProductName = system->GetString(system->ProductName); const char *SystemVersion = system->GetString(system->Version); const char *SystemSerialNumber = system->GetString(system->SerialNumber); const char *SystemSKU = system->GetString(system->SKU); const char *SystemFamily = system->GetString(system->Family); debug("%d %d %d %d %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c %d %d", system->Manufacturer, system->ProductName, system->Version, system->SerialNumber, system->UUID[0], system->UUID[1], system->UUID[2], system->UUID[3], system->UUID[4], system->UUID[5], system->UUID[6], system->UUID[7], system->UUID[8], system->UUID[9], system->UUID[10], system->UUID[11], system->UUID[12], system->UUID[13], system->UUID[14], system->UUID[15], system->SKU, system->Family); KPrint("System: \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s", SystemManufacturer, SystemProductName, SystemVersion, SystemSerialNumber, SystemSKU, SystemFamily); } if (baseboard) { const char *Manufacturer = baseboard->GetString(baseboard->Manufacturer); const char *Product = baseboard->GetString(baseboard->Product); const char *Version = baseboard->GetString(baseboard->Version); const char *SerialNumber = baseboard->GetString(baseboard->SerialNumber); debug("%d %d %d %d", baseboard->Manufacturer, baseboard->Product, baseboard->Version, baseboard->SerialNumber); KPrint("Baseboard: \eCCCCCC\e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s \eCCCCCC/ \e8888FF%s", Manufacturer, Product, Version, SerialNumber); } } else KPrint("SMBIOS: \eFF0000Not Found"); TaskManager = new Tasking::Task((Tasking::IP)KernelMainThread); KPrint("\e058C19################################"); CPU::Halt(true); } typedef void (*CallPtr)(void); extern CallPtr __init_array_start[0], __init_array_end[0]; extern CallPtr __fini_array_start[0], __fini_array_end[0]; EXTERNC __no_stack_protector __no_instrument_function void Entry(BootInfo *Info) { trace("Hello, World!"); // https://wiki.osdev.org/Calling_Global_Constructors for (CallPtr *func = __init_array_start; func != __init_array_end; func++) (*func)(); InitializeMemoryManagement(Info); EnableProfiler = true; PostEntry(Info); } EXTERNC __no_stack_protector __no_instrument_function void BeforeShutdown() { // https://wiki.osdev.org/Calling_Global_Constructors debug("Calling destructors..."); for (CallPtr *func = __fini_array_start; func != __fini_array_end; func++) (*func)(); debug("Done."); } EXTERNC void TaskingPanic() { if (TaskManager) TaskManager->Panic(); }