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authorgdkchan <gab.dark.100@gmail.com>2018-12-18 03:33:36 -0200
committerGitHub <noreply@github.com>2018-12-18 03:33:36 -0200
commit0039bb639493b2d1e2764cae380311ba8e87704b (patch)
tree63a912a95c8261775c2acb8a5b9ca0f10ad4ae33 /Ryujinx.HLE/HOS/Kernel/Common/KernelTransfer.cs
parent2534a7f10c627810e6e0272b4cc9758e90f733c1 (diff)
Refactor SVC handler (#540)
* Refactor SVC handler * Get rid of KernelErr * Split kernel code files into multiple folders
Diffstat (limited to 'Ryujinx.HLE/HOS/Kernel/Common/KernelTransfer.cs')
-rw-r--r--Ryujinx.HLE/HOS/Kernel/Common/KernelTransfer.cs72
1 files changed, 72 insertions, 0 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/Common/KernelTransfer.cs b/Ryujinx.HLE/HOS/Kernel/Common/KernelTransfer.cs
new file mode 100644
index 00000000..a29b1722
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/Common/KernelTransfer.cs
@@ -0,0 +1,72 @@
+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;
+ }
+ }
+} \ No newline at end of file