kern: switch->nx, implement sleep manager init

libraries/libmesosphere/include/mesosphere/board/nintendo/nx/kern_k_system_control.hpp

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <mesosphere/kern_common.hpp>
+
+namespace ams::kern::board::nintendo::nx {
+
+    class KSystemControl {
+        public:
+            class Init {
+                public:
+                    /* Initialization. */
+                    static size_t GetIntendedMemorySize();
+                    static KPhysicalAddress GetKernelPhysicalBaseAddress(uintptr_t base_address);
+                    static bool ShouldIncreaseThreadResourceLimit();
+                    static void CpuOn(u64 core_id, uintptr_t entrypoint, uintptr_t arg);
+                    static size_t GetApplicationPoolSize();
+                    static size_t GetAppletPoolSize();
+                    static size_t GetMinimumNonSecureSystemPoolSize();
+
+                    /* Randomness. */
+                    static void GenerateRandomBytes(void *dst, size_t size);
+                    static u64  GenerateRandomRange(u64 min, u64 max);
+            };
+        public:
+            /* Initialization. */
+            static NOINLINE void InitializePhase1();
+            static NOINLINE void InitializePhase2();
+            static NOINLINE u32 GetInitialProcessBinaryPool();
+
+            /* Randomness. */
+            static void GenerateRandomBytes(void *dst, size_t size);
+            static u64  GenerateRandomRange(u64 min, u64 max);
+
+            /* Power management. */
+            static void SleepSystem();
+            static NORETURN void StopSystem();
+    };
+
+}