From cee712105850ac3385cd0091a923438167433f9f Mon Sep 17 00:00:00 2001
From: TSR Berry <20988865+TSRBerry@users.noreply.github.com>
Date: Sat, 8 Apr 2023 01:22:00 +0200
Subject: Move solution and projects to src

---
 src/Ryujinx.Cpu/IExecutionContext.cs | 112 +++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 src/Ryujinx.Cpu/IExecutionContext.cs

(limited to 'src/Ryujinx.Cpu/IExecutionContext.cs')

diff --git a/src/Ryujinx.Cpu/IExecutionContext.cs b/src/Ryujinx.Cpu/IExecutionContext.cs
new file mode 100644
index 00000000..c3821080
--- /dev/null
+++ b/src/Ryujinx.Cpu/IExecutionContext.cs
@@ -0,0 +1,112 @@
+using ARMeilleure.State;
+using System;
+
+namespace Ryujinx.Cpu
+{
+    /// <summary>
+    /// CPU register state interface.
+    /// </summary>
+    public interface IExecutionContext : IDisposable
+    {
+        /// <summary>
+        /// Current Program Counter.
+        /// </summary>
+        /// <remarks>
+        /// In some implementations, this value might not be accurate and might not point to the last instruction executed.
+        /// </remarks>
+        ulong Pc { get; }
+
+        /// <summary>
+        /// Thread ID Register (EL0).
+        /// </summary>
+        long TpidrEl0 { get; set; }
+
+        /// <summary>
+        /// Thread ID Register (read-only) (EL0).
+        /// </summary>
+        long TpidrroEl0 { get; set; }
+
+        /// <summary>
+        /// Processor State Register.
+        /// </summary>
+        uint Pstate { get; set; }
+
+        /// <summary>
+        /// Floating-point Control Register.
+        /// </summary>
+        uint Fpcr { get; set; }
+
+        /// <summary>
+        /// Floating-point Status Register.
+        /// </summary>
+        uint Fpsr { get; set; }
+
+        /// <summary>
+        /// Indicates whenever the CPU is running 64-bit (AArch64 mode) or 32-bit (AArch32 mode) code.
+        /// </summary>
+        bool IsAarch32 { get; set; }
+
+        /// <summary>
+        /// Indicates whenever the CPU is still running code.
+        /// </summary>
+        /// <remarks>
+        /// Even if this is false, the guest code might be still exiting.
+        /// One must not assume that the code is no longer running from this property alone.
+        /// </remarks>
+        bool Running { get; }
+
+        /// <summary>
+        /// Gets the value of a general purpose register.
+        /// </summary>
+        /// <remarks>
+        /// The special <paramref name="index"/> of 31 can be used to access the SP (Stack Pointer) register.
+        /// </remarks>
+        /// <param name="index">Index of the register, in the range 0-31 (inclusive)</param>
+        /// <returns>The register value</returns>
+        ulong GetX(int index);
+
+        /// <summary>
+        /// Sets the value of a general purpose register.
+        /// </summary>
+        /// <remarks>
+        /// The special <paramref name="index"/> of 31 can be used to access the SP (Stack Pointer) register.
+        /// </remarks>
+        /// <param name="index">Index of the register, in the range 0-31 (inclusive)</param>
+        /// <param name="value">Value to be set</param>
+        void SetX(int index, ulong value);
+
+        /// <summary>
+        /// Gets the value of a FP/SIMD register.
+        /// </summary>
+        /// <param name="index">Index of the register, in the range 0-31 (inclusive)</param>
+        /// <returns>The register value</returns>
+        V128 GetV(int index);
+
+        /// <summary>
+        /// Sets the value of a FP/SIMD register.
+        /// </summary>
+        /// <param name="index">Index of the register, in the range 0-31 (inclusive)</param>
+        /// <param name="value">Value to be set</param>
+        void SetV(int index, V128 value);
+
+        /// <summary>
+        /// Requests the thread to stop running temporarily and call <see cref="ExceptionCallbacks.InterruptCallback"/>.
+        /// </summary>
+        /// <remarks>
+        /// The thread might not pause immediately.
+        /// One must not assume that guest code is no longer being executed by the thread after calling this function.
+        /// </remarks>
+        void RequestInterrupt();
+
+        /// <summary>
+        /// Requests the thread to stop running guest code and return as soon as possible.
+        /// </summary>
+        /// <remarks>
+        /// The thread might not stop immediately.
+        /// One must not assume that guest code is no longer being executed by the thread after calling this function.
+        /// After a thread has been stopped, it can't be restarted with the same <see cref="IExecutionContext"/>.
+        /// If you only need to pause the thread temporarily, use <see cref="RequestInterrupt"/> instead.
+        /// </remarks>
+        void StopRunning();
+    }
+}
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