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40 lines
1.9 KiB
C#
40 lines
1.9 KiB
C#
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namespace Ryujinx.Cpu
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{
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/// <summary>
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/// CPU context interface.
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/// </summary>
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public interface ICpuContext
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{
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/// <summary>
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/// Creates a new execution context that will store thread CPU register state when executing guest code.
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/// </summary>
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/// <param name="exceptionCallbacks">Optional functions to be called when the CPU receives an interrupt</param>
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/// <returns>Execution context</returns>
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IExecutionContext CreateExecutionContext(ExceptionCallbacks exceptionCallbacks);
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/// <summary>
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/// Starts executing code at a specified entry point address.
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/// </summary>
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/// <remarks>
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/// This function only returns when the execution is stopped, by calling <see cref="IExecutionContext.StopRunning"/>.
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/// </remarks>
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/// <param name="context">Execution context to be used for this run</param>
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/// <param name="address">Entry point address</param>
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void Execute(IExecutionContext context, ulong address);
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/// <summary>
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/// Invalidates the instruction cache for a given memory region.
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/// </summary>
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/// <remarks>
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/// This should be called if code is modified to make the CPU emulator aware of the modifications,
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/// otherwise it might run stale code which will lead to errors and crashes.
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/// Calling this function is not necessary if the code memory was modified by guest code,
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/// as the expectation is that it will do it on its own using the appropriate cache invalidation instructions,
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/// except on Arm32 where those instructions can't be used in unprivileged mode.
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/// </remarks>
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/// <param name="address">Address of the region to be invalidated</param>
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/// <param name="size">Size of the region to be invalidated</param>
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void InvalidateCacheRegion(ulong address, ulong size);
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}
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}
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