Fix relocated files

src/dusk/OSContext.cpp

@@ -0,0 +1,92 @@
+// OSContext.cpp - PC implementation of GameCube OSContext API
+// Replaces PowerPC assembly context switching with minimal PC stubs.
+// On PC there is no register-level context save/restore; the OS handles
+// thread contexts natively via std::thread.
+
+#include <dolphin/dolphin.h>
+#include <dolphin/os.h>
+#include <cstring>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// --- Current context pointer (per-process, not per-thread) ---
+static OSContext* sCurrentContext = nullptr;
+
+OSContext* OSGetCurrentContext(void) {
+    return sCurrentContext;
+}
+
+void OSSetCurrentContext(OSContext* context) {
+    sCurrentContext = context;
+}
+
+void OSClearContext(OSContext* context) {
+    if (!context) return;
+    context->mode  = 0;
+    context->state = 0;
+}
+
+void OSInitContext(OSContext* context, u32 pc, u32 newsp) {
+    if (!context) return;
+    memset(context, 0, sizeof(OSContext));
+    context->srr0 = pc;
+    context->gpr[1] = newsp;
+}
+
+u32 OSSaveContext(OSContext* context) {
+    // On PC we don't save PowerPC registers.
+    // Return 0 = "context was just saved" (as opposed to 1 = "restored from save").
+    return 0;
+}
+
+void OSLoadContext(OSContext* context) {
+    // No-op on PC (no PowerPC register restore)
+}
+
+void OSDumpContext(OSContext* context) {
+    if (!context) {
+        OSReport("[PC] OSDumpContext: NULL context\n");
+        return;
+    }
+    OSReport("[PC] OSDumpContext: context at %p (no register info on PC)\n", context);
+}
+
+void OSFillFPUContext(OSContext* context) {
+    // No-op on PC (no PowerPC FPU state)
+}
+
+void OSLoadFPUContext(OSContext* fpucontext) {
+    // No-op on PC
+}
+
+void OSSaveFPUContext(OSContext* fpucontext) {
+    // No-op on PC
+}
+
+u32 OSGetStackPointer(void) {
+    // Return approximate stack pointer
+    volatile u32 dummy;
+    return (u32)(uintptr_t)&dummy;
+}
+
+u32 OSSwitchStack(u32 newsp) {
+    // Not meaningful on PC - return current sp
+    return OSGetStackPointer();
+}
+
+int OSSwitchFiber(u32 pc, u32 newsp) {
+    // Not meaningful on PC
+    OSReport("[PC] OSSwitchFiber: not supported on PC\n");
+    return 0;
+}
+
+void __OSContextInit(void) {
+    // On GC this installs the FPU exception handler.
+    // On PC nothing to do.
+}
+
+#ifdef __cplusplus
+}
+#endif