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Implemented GDT & IDT

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This commit is contained in:
Alex
2022-10-10 09:00:32 +03:00
parent 1446cc4682
commit f746110fbe
10 changed files with 1190 additions and 153 deletions
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19
Kernel.cpp
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@ -1,6 +1,8 @@
#include "kernel.h"
#include <interrupts.hpp>
#include <display.hpp>
#include <symbols.hpp>
#include <memory.hpp>
#include <string.h>
#include <printf.h>
@ -9,6 +11,7 @@
BootInfo *bInfo = nullptr;
Video::Display *Display = nullptr;
SymbolResolver::Symbols *KernelSymbolTable = nullptr;
// For the Display class. Printing on first buffer.
extern "C" void putchar(char c) { Display->Print(c, 0); }
@ -39,17 +42,25 @@ EXTERNC void kernel_aarch64_entry(uint64_t dtb_ptr32, uint64_t x1, uint64_t x2,
EXTERNC void kernel_entry(BootInfo *Info)
{
InitializeMemoryManagement(Info);
trace("Hello, World!");
InitializeMemoryManagement(Info);
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_("%s - %s(%s)\n", KERNEL_NAME, KERNEL_VERSION, GIT_COMMIT_SHORT);
/**************************************************************************************/
KPrint("Initializing GDT and IDT");
Interrupts::Initialize();
KPrint("Loading kernel symbols");
KernelSymbolTable = new SymbolResolver::Symbols((uint64_t)Info->Kernel.FileBase);
// printf_("%s\n", CPU::Vendor());
// printf_("%s\n", CPU::Name());
// printf_("%s\n", CPU::Hypervisor());
Display->SetBuffer(0);
for (size_t i = 0; i < 70; i++)
KPrint("Hello, World! (%ld)", i);
for (size_t i = 0; i < 250; i++)
KPrint("Hello, World! (%02ld)", i);
asm("int $0x1");
while (1)
CPU::Halt();
}