Merge remote-tracking branch 'Kernel/master'

Kernel/include/memory/macro.hpp

@@ -0,0 +1,75 @@
+/*
+	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/>.
+*/
+
+#ifndef __FENNIX_KERNEL_MEMORY_MACROS_H__
+#define __FENNIX_KERNEL_MEMORY_MACROS_H__
+
+#include <types.h>
+
+// kilobyte
+#define TO_KiB(d) ((d) / 1024)
+// megabyte
+#define TO_MiB(d) ((d) / 1024 / 1024)
+// gigabyte
+#define TO_GiB(d) ((d) / 1024 / 1024 / 1024)
+// terabyte
+#define TO_TiB(d) ((d) / 1024 / 1024 / 1024 / 1024)
+// petabyte
+#define TO_PiB(d) ((d) / 1024 / 1024 / 1024 / 1024 / 1024)
+// exobyte
+#define TO_EiB(d) ((d) / 1024 / 1024 / 1024 / 1024 / 1024 / 1024)
+
+#define PAGE_SIZE 0x1000		/* 4 KiB */
+#define PAGE_SIZE_4K PAGE_SIZE	/* 4 KiB */
+#define PAGE_SIZE_2M 0x200000	/* 2 MiB */
+#define PAGE_SIZE_4M 0x400000	/* 4 MiB */
+#define PAGE_SIZE_1G 0x40000000 /* 1 GiB */
+
+#define STACK_SIZE 0x4000		 /* 16 KiB */
+#define LARGE_STACK_SIZE 0x20000 /* 128 KiB */
+#define USER_STACK_SIZE 0x2000	 /* 8 KiB */
+
+/* To pages */
+#define TO_PAGES(d) (((d) + PAGE_SIZE - 1) / PAGE_SIZE)
+/* From pages */
+#define FROM_PAGES(d) ((d) * PAGE_SIZE)
+
+#if defined(a64) || defined(aa64)
+#define KERNEL_VMA_OFFSET 0xFFFFFFFF80000000
+
+#define USER_ALLOC_BASE 0xFFFFA00000000000 /* 256 GiB */
+#define USER_ALLOC_END 0xFFFFB00000000000
+
+#define KERNEL_STACK_BASE 0xFFFFB00000000000 /* 256 GiB */
+#define KERNEL_STACK_END 0xFFFFC00000000000
+
+#define USER_STACK_END 0xFFFFEFFF00000000 /* 256 MiB */
+#define USER_STACK_BASE 0xFFFFEFFFFFFF0000
+#elif defined(a32)
+#define KERNEL_VMA_OFFSET 0xC0000000
+
+#define USER_ALLOC_BASE 0x80000000
+#define USER_ALLOC_END 0xA0000000
+
+#define KERNEL_STACK_BASE 0xA0000000
+#define KERNEL_STACK_END 0xB0000000
+
+#define USER_STACK_BASE 0xEFFFFFFF
+#define USER_STACK_END 0xE0000000
+#endif
+
+#endif // !__FENNIX_KERNEL_MEMORY_MACROS_H__