SimplePaging.asm

PageTableEntry equ 0x1000

SetupIdentityPaging:
    mov edi,PageTableEntry
    mov cr3,edi
    mov dword [edi], 0x2003
    add edi,0x1000
    mov dword [edi], 0x3003
    add edi,0x1000
    mov dword [edi], 0x4003
    add edi,0x1000

    mov ebx, 0x00000003
    mov ecx, 512

    .SetEntry:
        mov dword [edi],ebx
        add ebx,0x1000
        add edi,8
        loop .SetEntry
    
    mov eax,cr4
    or eax,1<<5
    mov cr4,eax

    mov ecx,0xC0000080
    rdmsr
    or eax,1<<8
    wrmsr

    mov eax,cr0
    or eax,1<<31
    mov cr0,eax

    ret