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https://github.com/Ryujinx/Ryujinx.git
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* Make all title id instances unsigned * Replace address and size with ulong instead of signed types Long overdue change. Also change some logics here and there to optimize with the new memory manager. * Address Ac_K's comments * Remove uneeded cast all around * Fixes some others misalignment
93 lines
No EOL
2.7 KiB
C#
93 lines
No EOL
2.7 KiB
C#
using Ryujinx.Cpu;
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using Ryujinx.HLE.HOS.Kernel.Process;
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using System;
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namespace Ryujinx.HLE.HOS.Kernel.Common
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{
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static class KernelTransfer
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{
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public static bool UserToKernelInt32(KernelContext context, ulong address, out int value)
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{
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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if (currentProcess.CpuMemory.IsMapped(address) &&
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currentProcess.CpuMemory.IsMapped(address + 3))
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{
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value = currentProcess.CpuMemory.Read<int>(address);
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return true;
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}
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value = 0;
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return false;
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}
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public static bool UserToKernelInt32Array(KernelContext context, ulong address, Span<int> values)
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{
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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for (int index = 0; index < values.Length; index++, address += 4)
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{
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if (currentProcess.CpuMemory.IsMapped(address) &&
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currentProcess.CpuMemory.IsMapped(address + 3))
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{
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values[index]= currentProcess.CpuMemory.Read<int>(address);
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}
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else
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{
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return false;
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}
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}
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return true;
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}
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public static bool UserToKernelString(KernelContext context, ulong address, int size, out string value)
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{
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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if (currentProcess.CpuMemory.IsMapped(address) &&
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currentProcess.CpuMemory.IsMapped(address + (ulong)size - 1))
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{
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value = MemoryHelper.ReadAsciiString(currentProcess.CpuMemory, address, size);
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return true;
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}
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value = null;
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return false;
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}
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public static bool KernelToUserInt32(KernelContext context, ulong address, int value)
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{
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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if (currentProcess.CpuMemory.IsMapped(address) &&
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currentProcess.CpuMemory.IsMapped(address + 3))
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{
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currentProcess.CpuMemory.Write(address, value);
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return true;
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}
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return false;
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}
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public static bool KernelToUserInt64(KernelContext context, ulong address, long value)
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{
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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if (currentProcess.CpuMemory.IsMapped(address) &&
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currentProcess.CpuMemory.IsMapped(address + 7))
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{
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currentProcess.CpuMemory.Write(address, value);
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return true;
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}
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return false;
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}
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}
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} |