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using ChocolArm64.Memory;
namespace Ryujinx.HLE.HOS.Kernel
{
static class KernelTransfer
{
public static bool UserToKernelInt32(Horizon System, long Address, out int Value)
{
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if (CurrentProcess.CpuMemory.IsMapped(Address) &&
CurrentProcess.CpuMemory.IsMapped(Address + 3))
{
Value = CurrentProcess.CpuMemory.ReadInt32(Address);
return true;
}
Value = 0;
return false;
}
public static bool UserToKernelString(Horizon System, long Address, int Size, out string Value)
{
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if (CurrentProcess.CpuMemory.IsMapped(Address) &&
CurrentProcess.CpuMemory.IsMapped(Address + Size - 1))
{
Value = MemoryHelper.ReadAsciiString(CurrentProcess.CpuMemory, Address, Size);
return true;
}
Value = null;
return false;
}
public static bool KernelToUserInt32(Horizon System, long Address, int Value)
{
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if (CurrentProcess.CpuMemory.IsMapped(Address) &&
CurrentProcess.CpuMemory.IsMapped(Address + 3))
{
CurrentProcess.CpuMemory.WriteInt32ToSharedAddr(Address, Value);
return true;
}
return false;
}
public static bool KernelToUserInt64(Horizon System, long Address, long Value)
{
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if (CurrentProcess.CpuMemory.IsMapped(Address) &&
CurrentProcess.CpuMemory.IsMapped(Address + 7))
{
CurrentProcess.CpuMemory.WriteInt64(Address, Value);
return true;
}
return false;
}
}
}
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