1 /* multiboot.h - the header for Multiboot */
2 /* Copyright (C) 1999 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
24 /* The magic number for the Multiboot header. */
25 #define MULTIBOOT_HEADER_MAGIC 0x1BADB002
27 /* The flags for the Multiboot header. */
28 #define MULTIBOOT_HEADER_FLAGS 0x00010003
30 /* The magic number passed by a Multiboot-compliant boot loader. */
31 #define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
33 /* The size of our stack (16KB). */
34 #define STACK_SIZE 0x4000
36 /* C symbol format. HAVE_ASM_USCORE is defined by configure. */
37 #ifdef HAVE_ASM_USCORE
38 # define EXT_C(sym) _ ## sym
40 # define EXT_C(sym) sym
43 #define MB_INFO_FLAG_MEM_SIZE 0x00000001
44 #define MB_INFO_FLAG_BOOT_DEVICE 0x00000002
45 #define MB_INFO_FLAG_COMMAND_LINE 0x00000004
46 #define MB_INFO_FLAG_MODULES 0x00000008
47 #define MB_INFO_FLAG_AOUT_SYMS 0x00000010
48 #define MB_INFO_FLAG_ELF_SYMS 0x00000020
49 #define MB_INFO_FLAG_MEMORY_MAP 0x00000040
50 #define MB_INFO_FLAG_DRIVES 0x00000080
51 #define MB_INFO_FLAG_CONFIG_TABLE 0x00000100
52 #define MB_INFO_FLAG_BOOT_LOADER_NAME 0x00000200
53 #define MB_INFO_FLAG_APM_TABLE 0x00000400
54 #define MB_INFO_FLAG_GRAPHICS_TABLE 0x00000800
55 #define MB_INFO_FLAG_ACPI_TABLE 0x00001000
58 /* Do not include here in boot.S. */
62 /* The Multiboot header. */
63 typedef struct multiboot_header
67 unsigned long checksum
;
68 unsigned long header_addr
;
69 unsigned long load_addr
;
70 unsigned long load_end_addr
;
71 unsigned long bss_end_addr
;
72 unsigned long entry_addr
;
75 /* The symbol table for a.out. */
76 typedef struct aout_symbol_table
78 unsigned long tabsize
;
79 unsigned long strsize
;
81 unsigned long reserved
;
82 } aout_symbol_table_t
;
84 /* The section header table for ELF. */
85 typedef struct elf_section_header_table
91 } elf_section_header_table_t
;
93 typedef struct _LOADER_PARAMETER_BLOCK
108 ULONG BootLoaderName
;
109 ULONG PageDirectoryStart
;
110 ULONG PageDirectoryEnd
;
112 } LOADER_PARAMETER_BLOCK
, *PLOADER_PARAMETER_BLOCK
;
114 /* The module structure. */
115 typedef struct _FRLDR_MODULE
{
116 ULONG_PTR ModuleStart
;
120 } FRLDR_MODULE
, *PFRLDR_MODULE
;
122 /* The memory map. Be careful that the offset 0 is base_addr_low
124 typedef struct memory_map
126 //unsigned long size;
127 unsigned long base_addr_low
;
128 unsigned long base_addr_high
;
129 unsigned long length_low
;
130 unsigned long length_high
;
132 unsigned long reserved
;
136 LOADER_PARAMETER_BLOCK LoaderBlock
; /* Multiboot info structure passed to kernel */
137 char multiboot_kernel_cmdline
[255]; // Command line passed to kernel
138 FRLDR_MODULE multiboot_modules
[64]; // Array to hold boot module info loaded for the kernel
139 char multiboot_module_strings
[64][256]; // Array to hold module names
140 unsigned long multiboot_memory_map_descriptor_size
;
141 memory_map_t multiboot_memory_map
[32]; // Memory map
144 void boot_reactos(void);
146 #include "fs.h" // Included FILE structure definition
150 FrLdrBootReactOs(VOID
);
154 FrLdrMapKernel(FILE *KernelImage
);
158 FrLdrCreateModule(LPSTR ModuleName
);
162 FrLdrLoadModule(FILE *ModuleImage
,
168 FrLdrLoadKernel(PCHAR szFileName
,
172 FrLdrLoadNlsFile(PCHAR szSystemRoot
,
176 FrLdrLoadDriver(PCHAR szFileName
,
179 LoadSymbolFile(PCHAR szSystemRoot
,
184 FrLdrLoadBootDrivers(PCHAR szSystemRoot
,
189 FrLdrCloseModule(ULONG_PTR ModuleBase
,
194 FrLdrStartup(ULONG Magic
);
198 FrLdrGetKernelBase(VOID
);
202 FrLdrSetupPae(ULONG Magic
);
206 FrLdrGetPaeMode(VOID
);
210 FrLdrSetupPageDirectory(VOID
);
213 LoadAndBootReactOS(PCHAR OperatingSystemName
);
215 VOID FASTCALL
AsmCode(VOID
);
216 typedef VOID (FASTCALL
*ASMCODE
)(ULONG Magic
,
217 PLOADER_PARAMETER_BLOCK LoaderBlock
);
219 int GetBootPartition(char *OperatingSystemName
);
226 #endif // defined __MULTIBOOT_H