text: /*
   * Copyright 2021 Malte Dömer
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "Arch/x86/GDT.hpp"
  #include "Arch/x86/IDT.hpp"
  #include "Arch/x86/Registers.hpp"
  
  #include "Kernel/SerialDebug.hpp"
  
  namespace Kernel::Arch {
  
  ASM_LINKAGE void load_idt(IDTReference* idtr);
  
  ASM_LINKAGE ISRStub isr_stubs[256];
  
  static IDTEntry idt[256];
  static IDTReference idtr;
  
  void init_idt()
  {
      idtr.offset = reinterpret_cast<u32>(&idt);
      idtr.size = sizeof(idt) - 1;
  
      for (size_t i = 0; i < 256; i++) {
          idt[i] = IDTEntry(reinterpret_cast<u32>(&isr_stubs[i]), KERNEL_CODE_DESC, 0x8E);
      }
  
      load_idt(&idtr);
  }
  
  
  }
  