kernel: add arm architecture support

Signed-off-by: EnderIce2 <enderice2@protonmail.com>

Kernel/arch/arm/cpu/smp.cpp

@@ -0,0 +1,59 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Kernel is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <smp.hpp>
+
+#include <ints.hpp>
+#include <memory.hpp>
+#include <cpu.hpp>
+
+#include "../../../kernel.h"
+
+volatile bool CPUEnabled = false;
+
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+static __aligned(0x1000) 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
+{
+	int CPUCores = 0;
+
+	void Initialize(void *madt)
+	{
+		fixme("SMP::Initialize() is not implemented!");
+	}
+}