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misc: Implement address space size workarounds (#5191)

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* misc: Implement address space size workarounds

This adds code to support userland with less than 39 bits of address
space available by testing reserving multiple sizes and reducing
guess address space when needed.

This is required for ARM64 support when the kernel is
configured to use 63..39 bits for kernel space.(meaning only 38 bits is available to userland)

* Address comments

* Fix 32 bits address space support and address more comments
This commit is contained in:
Mary
2023-06-20 17:33:54 +02:00
committed by GitHub
parent f9a538bb0f
commit 649d372f7d
10 changed files with 187 additions and 111 deletions
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12
src/Ryujinx.HLE/HOS/ArmProcessContext.cs
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@ -25,7 +25,15 @@ namespace Ryujinx.HLE.HOS
public IVirtualMemoryManager AddressSpace => _memoryManager;
public ArmProcessContext(ulong pid, ICpuEngine cpuEngine, GpuContext gpuContext, T memoryManager, bool for64Bit)
public ulong AddressSpaceSize { get; }
public ArmProcessContext(
ulong pid,
ICpuEngine cpuEngine,
GpuContext gpuContext,
T memoryManager,
ulong addressSpaceSize,
bool for64Bit)
{
if (memoryManager is IRefCounted rc)
{
@ -38,6 +46,8 @@ namespace Ryujinx.HLE.HOS
_gpuContext = gpuContext;
_cpuContext = cpuEngine.CreateCpuContext(memoryManager, for64Bit);
_memoryManager = memoryManager;
AddressSpaceSize = addressSpaceSize;
}
public IExecutionContext CreateExecutionContext(ExceptionCallbacks exceptionCallbacks)