Function SysMmap

Kernel/src/arch/x86_64/syscalls.cpp:874–898

}

long SysMmap(regs64_t* r){
	uint64_t* address = (uint64_t*)SC_ARG0(r);
	size_t count = SC_ARG1(r);
	uintptr_t hint = SC_ARG2(r);

	uintptr_t _address;
	if(hint){
		if(Memory::CheckRegion(hint, count * PAGE_SIZE_4K, Scheduler::GetCurrentProcess()->addressSpace) /*Check availibilty of the requested map*/){
			_address = hint;
		} else {
			Log::Warning("sys_mmap: Could not map to address %x", hint);
			*address = 0;
			return 1;
		}
	} else _address = (uintptr_t)Memory::Allocate4KPages(count, Scheduler::GetCurrentProcess()->addressSpace);

	for(size_t i = 0; i < count; i++){
		Memory::MapVirtualMemory4K(Memory::AllocatePhysicalMemoryBlock(), _address + i * PAGE_SIZE_4K, 1, Scheduler::GetCurrentProcess()->addressSpace);
		memset((void*)(_address + i * PAGE_SIZE_4K), 0, PAGE_SIZE_4K);
	}

	*address = _address;

	return 0;
}

long SysGrantPTY(regs64_t* r){
	if(!SC_ARG0(r)) return 1;