72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
|
using Ryujinx.HLE.HOS.Kernel.Process;
|
||
|
|
using ChocolArm64.Memory;
|
||
|
|
|
||
|
|
namespace Ryujinx.HLE.HOS.Kernel.Common
|
||
|
|
{
|
||
|
|
static class KernelTransfer
|
||
|
|
{
|
||
|
|
public static bool UserToKernelInt32(Horizon system, ulong address, out int value)
|
||
|
|
{
|
||
|
|
KProcess currentProcess = system.Scheduler.GetCurrentProcess();
|
||
|
|
|
||
|
|
if (currentProcess.CpuMemory.IsMapped((long)address) &&
|
||
|
|
currentProcess.CpuMemory.IsMapped((long)address + 3))
|
||
|
|
{
|
||
|
|
value = currentProcess.CpuMemory.ReadInt32((long)address);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
value = 0;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static bool UserToKernelString(Horizon system, ulong address, int size, out string value)
|
||
|
|
{
|
||
|
|
KProcess currentProcess = system.Scheduler.GetCurrentProcess();
|
||
|
|
|
||
|
|
if (currentProcess.CpuMemory.IsMapped((long)address) &&
|
||
|
|
currentProcess.CpuMemory.IsMapped((long)address + size - 1))
|
||
|
|
{
|
||
|
|
value = MemoryHelper.ReadAsciiString(currentProcess.CpuMemory, (long)address, size);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
value = null;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static bool KernelToUserInt32(Horizon system, ulong address, int value)
|
||
|
|
{
|
||
|
|
KProcess currentProcess = system.Scheduler.GetCurrentProcess();
|
||
|
|
|
||
|
|
if (currentProcess.CpuMemory.IsMapped((long)address) &&
|
||
|
|
currentProcess.CpuMemory.IsMapped((long)address + 3))
|
||
|
|
{
|
||
|
|
currentProcess.CpuMemory.WriteInt32ToSharedAddr((long)address, value);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static bool KernelToUserInt64(Horizon system, ulong address, long value)
|
||
|
|
{
|
||
|
|
KProcess currentProcess = system.Scheduler.GetCurrentProcess();
|
||
|
|
|
||
|
|
if (currentProcess.CpuMemory.IsMapped((long)address) &&
|
||
|
|
currentProcess.CpuMemory.IsMapped((long)address + 7))
|
||
|
|
{
|
||
|
|
currentProcess.CpuMemory.WriteInt64((long)address, value);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|