kern: skeleton initial process loading

libraries/libmesosphere/include/mesosphere/kern_k_address_space_info.hpp

@@ -0,0 +1,51 @@
+/*
+ * 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
+
+namespace ams::kern {
+
+
+
+    struct KAddressSpaceInfo {
+        public:
+            enum Type {
+                Type_32Bit      = 0,
+                Type_Small64Bit = 1,
+                Type_Large64Bit = 2,
+                Type_Heap       = 3,
+                Type_Stack      = 4,
+                Type_Alias      = 5,
+
+                Type_Count,
+            };
+        private:
+            size_t bit_width;
+            size_t address;
+            size_t size;
+            Type type;
+        public:
+            static uintptr_t GetAddressSpaceStart(size_t width, Type type);
+            static size_t GetAddressSpaceSize(size_t width, Type type);
+
+            constexpr KAddressSpaceInfo(size_t bw, size_t a, size_t s, Type t) : bit_width(bw), address(a), size(s), type(t) { /* ... */ }
+
+            constexpr size_t GetWidth() const { return this->bit_width; }
+            constexpr size_t GetAddress() const { return this->address; }
+            constexpr size_t GetSize() const { return this->size; }
+            constexpr Type GetType() const { return this->type; }
+    };
+
+}