Kernel: Move all boot-related code to the new Boot subdirectory

Kernel/Boot/Multiboot.h

@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Types.h>
+
+struct multiboot_module_entry {
+    u32 start;
+    u32 end;
+    u32 string_addr;
+    u32 reserved;
+};
+typedef struct multiboot_module_entry multiboot_module_entry_t;
+
+struct multiboot_aout_symbol_table {
+    u32 tabsize;
+    u32 strsize;
+    u32 addr;
+    u32 reserved;
+};
+typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
+
+struct multiboot_elf_section_header_table {
+    u32 num;
+    u32 size;
+    u32 addr;
+    u32 shndx;
+};
+typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
+
+#define MULTIBOOT_MEMORY_AVAILABLE 1
+#define MULTIBOOT_MEMORY_RESERVED 2
+#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
+#define MULTIBOOT_MEMORY_NVS 4
+#define MULTIBOOT_MEMORY_BADRAM 5
+
+struct multiboot_mmap_entry {
+    u32 size;
+    u64 addr;
+    u64 len;
+    u32 type;
+#if ARCH(AARCH64)
+    // __attribute__((packed)) causes alignment issues on aarch64
+};
+#else
+} __attribute__((packed));
+#endif
+typedef struct multiboot_mmap_entry multiboot_memory_map_t;
+
+#define MULTIBOOT_INFO_FRAMEBUFFER_INFO (1 << 12)
+
+struct multiboot_info {
+    // Multiboot info version number.
+    u32 flags;
+
+    // Available memory from BIOS.
+    u32 mem_lower;
+    u32 mem_upper;
+
+    // "root" partition.
+    u32 boot_device;
+
+    // Kernel command line.
+    u32 cmdline;
+
+    // Boot-Module list.
+    u32 mods_count;
+    u32 mods_addr;
+
+    union {
+        multiboot_aout_symbol_table_t aout_sym;
+        multiboot_elf_section_header_table_t elf_sec;
+    } u;
+
+    // Memory Mapping buffer.
+    u32 mmap_length;
+    u32 mmap_addr;
+
+    // Drive Info buffer.
+    u32 drives_length;
+    u32 drives_addr;
+
+    // ROM configuration table.
+    u32 config_table;
+
+    // Boot Loader Name.
+    u32 boot_loader_name;
+
+    // APM table.
+    u32 apm_table;
+
+    // Video.
+    u32 vbe_control_info;
+    u32 vbe_mode_info;
+    u16 vbe_mode;
+    u16 vbe_interface_seg;
+    u16 vbe_interface_off;
+    u16 vbe_interface_len;
+
+    u64 framebuffer_addr;
+    u32 framebuffer_pitch;
+    u32 framebuffer_width;
+    u32 framebuffer_height;
+    u8 framebuffer_bpp;
+#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
+#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
+#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
+    u8 framebuffer_type;
+    union {
+        struct
+        {
+            u32 framebuffer_palette_addr;
+            u16 framebuffer_palette_num_colors;
+        };
+        struct
+        {
+            u8 framebuffer_red_field_position;
+            u8 framebuffer_red_mask_size;
+            u8 framebuffer_green_field_position;
+            u8 framebuffer_green_mask_size;
+            u8 framebuffer_blue_field_position;
+            u8 framebuffer_blue_mask_size;
+        };
+    };
+};
+typedef struct multiboot_info multiboot_info_t;