Fixing SMP stub for x32 and arm64

Architecture/i686/cpu/SymmetricMultiprocessing.cpp

@@ -0,0 +1,40 @@
+#include <smp.hpp>
+
+#include <interrupts.hpp>
+#include <memory.hpp>
+#include <cpu.hpp>
+
+#include "../../../kernel.h"
+
+volatile bool CPUEnabled = false;
+
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+static __attribute__((aligned(PAGE_SIZE))) CPUData CPUs[MAX_CPU] = {0};
+
+CPUData *GetCPU(uint64_t id) { return &CPUs[id]; }
+
+CPUData *GetCurrentCPU()
+{
+    uint64_t ret = 0;
+
+    if (!CPUs[ret].IsActive)
+    {
+        error("CPU %d is not active!", ret);
+        return &CPUs[0];
+    }
+
+    if (CPUs[ret].Checksum != CPU_DATA_CHECKSUM)
+    {
+        error("CPU %d data is corrupted!", ret);
+        return &CPUs[0];
+    }
+    return &CPUs[ret];
+}
+
+namespace SMP
+{
+    void Initialize(void *madt)
+    {
+        fixme("SMP::Initialize() is not implemented!");
+    }
+}