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    // give kmalloc a starting point
    placementAddress = (unsigned int)&end; // defined in linker script
    placementAddress &= 0xFFFFF000; // align it on 4kb
    placementAddress += 0x1000;
    
    unsigned long* kernelDirectory = (unsigned long*)kmalloc_a(sizeof(unsigned long) * 1024); // array of tables - 1024 tables, 4 kb
    memset((unsigned char*)kernelDirectory, 0, sizeof(unsigned long)*1024);
    
    unsigned long* kernelTables = (unsigned long*)kmalloc_a(sizeof(unsigned long) * 1024 * 512); // 0x8000; // array of pages - 512 pages per table, 512kb
    memset((unsigned char*)kernelTables, 0, sizeof(unsigned long)*1024*1024);
    
    unsigned long physicalAddress = 0x0;
    unsigned int i;

    for(i=0; i<1024*512-1; i++) // 512b * 1kb = 512 kb
    {
        kernelTables[i] = (physicalAddress) | 3;
	physicalAddress = physicalAddress + 4096;
        if(physicalAddress <= 0)
        {
                monitorWriteUDec(i);
                PANIC("OVERFLOW!");
        }
    }
    monitorWriteUHex(physicalAddress);
    // for the kernel directory, we have 512 tables * 1024 pages each = 2G available space
    // this means we need 512KB to store the directory
    
    // we need to put 2G into low space for the kernel
    for(i=0; i<512; i++)
    {
        kernelDirectory[i] = (unsigned long)(kernelTables + i * 1024 * sizeof(unsigned long));
        kernelDirectory[i] = kernelDirectory[i] | 3;
    }
    for(i=512; i<1024; i++)
    {
    	kernelDirectory[i] = 0 | 2; // not present, rw, supervisor
    }
    // now actually enable the paging code	
    write_cr3((unsigned long)kernelDirectory); // put that page directory address into CR3
    write_cr0(read_cr0() | 0x80000000); // set the paging bit in CR0 to 1

    // set up page fault interrupts
    register_interrupt_handler(14, page_fault);
}