mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-05-27 15:04:33 +00:00
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
#include "kernel.h"
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#include <interrupts.hpp>
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#include <memory.hpp>
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#include <string.h>
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#include <printf.h>
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#include <lock.hpp>
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#include <time.hpp>
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#include <debug.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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// For the Display class. Printing on first buffer.
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extern "C" void putchar(char c) { Display->Print(c, 0); }
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#ifdef __debug_vscode__
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extern "C" int printf_(const char *format, ...);
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extern "C" int vprintf_(const char *format, va_list arg);
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#endif
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void KPrint(const char *format, ...)
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{
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SMARTLOCK(KernelLock);
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Time tm = 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 aarch64Entry(uint64_t dtb_ptr32, uint64_t x1, uint64_t x2, uint64_t x3)
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{
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trace("Hello, World!");
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while (1)
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CPU::Halt();
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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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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("Initializing GDT and IDT");
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Interrupts::Initialize();
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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("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 hdr in PCIManager->GetDevices())
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{
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KPrint("Found PCI device: %s / %s / %s / %s / %s",
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PCI::Descriptors::GetVendorName(hdr->VendorID),
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PCI::Descriptors::GetDeviceName(hdr->VendorID, hdr->DeviceID),
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PCI::Descriptors::DeviceClasses[hdr->Class],
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PCI::Descriptors::GetSubclassName(hdr->Class, hdr->Subclass),
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PCI::Descriptors::GetProgIFName(hdr->Class, hdr->Subclass, hdr->ProgIF));
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}
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while (1)
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CPU::Halt();
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}
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