multiboooooooot

This commit is contained in:
Adrien Bourmault 2019-03-12 23:25:30 +01:00
parent 32c7c99bc2
commit 17f714719b
3 changed files with 178 additions and 306 deletions

View File

@ -29,6 +29,6 @@ MB_ALIGN equ 1 << 0 ; Ask to align loaded modules on page bounda
MB_MEMINFO equ 1 << 1 ; Ask to provide memory map MB_MEMINFO equ 1 << 1 ; Ask to provide memory map
MB_HEADER_MAGIC equ 0x1badb002 MB_HEADER_MAGIC equ 0x1badb002
MB_GRUB_MAGIC equ 0x2badb002 MB_GRUB_MAGIC equ 0x2badb002
MB_HEADER_FLAGS equ 0x0 ; MB_AOUT_KLUDGE|MB_ALIGN|MB_MEMINFO MB_HEADER_FLAGS equ MB_AOUT_KLUDGE|MB_ALIGN|MB_MEMINFO
CHECKSUM equ -(MB_HEADER_MAGIC + MB_HEADER_FLAGS) CHECKSUM equ -(MB_HEADER_MAGIC + MB_HEADER_FLAGS)
KERNEL_STACK equ 0x00200000 ; Stack starts at the 2mb address & grows down KERNEL_STACK equ 0x00200000 ; Stack starts at the 2mb address & grows down

View File

@ -1,91 +1,102 @@
/* multiboot2.h - Multiboot 2 header file. */ //----------------------------------------------------------------------------//
/* Copyright (C) 1999,2003,2007,2008,2009,2010 Free Software Foundation, Inc. // GNU GPL OS/K //
* // //
* Permission is hereby granted, free of charge, to any person obtaining a copy // Desc: multiboot.h - Multiboot header file. //
* of this software and associated documentation files (the "Software"), to // //
* deal in the Software without restriction, including without limitation the // //
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // Copyright © 1999,2003,2007-2010 Free Software Foundation, Inc. //
* sell copies of the Software, and to permit persons to whom the Software is // //
* furnished to do so, subject to the following conditions: // Note: In this header, "the software" refers to the multiboot.h file. //
* // //
* The above copyright notice and this permission notice shall be included in // Permission is hereby granted, free of charge, to any person //
* all copies or substantial portions of the Software. // obtaining a copy of this software and associated documentation //
* // files (the "Software"), to deal in the Software without restriction, //
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // including without limitation the rights to use, copy, modify, merge, //
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // publish, distribute, sublicense, and/or sell copies of the Software, //
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY // and to permit persons to whom the Software is furnished to do so, //
* DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, // subject to the following conditions: //
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR // //
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // The above copyright notice and this permission notice shall be included //
*/ // in all copies or substantial portions of the Software. //
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, //
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF //
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. //
// IN NO EVENT SHALL ANY DEVELOPER OR DISTRIBUTOR BE LIABLE FOR //
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF //
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION //
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.. //
//----------------------------------------------------------------------------//
#ifndef MULTIBOOT_HEADER #ifndef MULTIBOOT_HEADER
#define MULTIBOOT_HEADER 1 #define MULTIBOOT_HEADER 1
/* How many bytes from the start of the file we search for the header. */ /* How many bytes from the start of the file we search for the header. */
#define MULTIBOOT_SEARCH 32768 #define MULTIBOOT_SEARCH 8192
#define MULTIBOOT_HEADER_ALIGN 8 #define MULTIBOOT_HEADER_ALIGN 4
/* The magic field should contain this. */ /* The magic field should contain this. */
#define MULTIBOOT2_HEADER_MAGIC 0xe85250d6 #define MULTIBOOT_HEADER_MAGIC 0x1BADB002
/* This should be in %eax. */ /* This should be in %eax. */
#define MULTIBOOT2_BOOTLOADER_MAGIC 0x36d76289 #define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
/* Alignment of multiboot modules. */ /* Alignment of multiboot modules. */
#define MULTIBOOT_MOD_ALIGN 0x00001000 #define MULTIBOOT_MOD_ALIGN 0x00001000
/* Alignment of the multiboot info structure. */ /* Alignment of the multiboot info structure. */
#define MULTIBOOT_INFO_ALIGN 0x00000008 #define MULTIBOOT_INFO_ALIGN 0x00000004
/* Flags set in the 'flags' member of the multiboot header. */ /* Flags set in the 'flags' member of the multiboot header. */
#define MULTIBOOT_TAG_ALIGN 8 /* Align all boot modules on i386 page (4KB) boundaries. */
#define MULTIBOOT_TAG_TYPE_END 0 #define MULTIBOOT_PAGE_ALIGN 0x00000001
#define MULTIBOOT_TAG_TYPE_CMDLINE 1
#define MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME 2
#define MULTIBOOT_TAG_TYPE_MODULE 3
#define MULTIBOOT_TAG_TYPE_BASIC_MEMINFO 4
#define MULTIBOOT_TAG_TYPE_BOOTDEV 5
#define MULTIBOOT_TAG_TYPE_MMAP 6
#define MULTIBOOT_TAG_TYPE_VBE 7
#define MULTIBOOT_TAG_TYPE_FRAMEBUFFER 8
#define MULTIBOOT_TAG_TYPE_ELF_SECTIONS 9
#define MULTIBOOT_TAG_TYPE_APM 10
#define MULTIBOOT_TAG_TYPE_EFI32 11
#define MULTIBOOT_TAG_TYPE_EFI64 12
#define MULTIBOOT_TAG_TYPE_SMBIOS 13
#define MULTIBOOT_TAG_TYPE_ACPI_OLD 14
#define MULTIBOOT_TAG_TYPE_ACPI_NEW 15
#define MULTIBOOT_TAG_TYPE_NETWORK 16
#define MULTIBOOT_TAG_TYPE_EFI_MMAP 17
#define MULTIBOOT_TAG_TYPE_EFI_BS 18
#define MULTIBOOT_TAG_TYPE_EFI32_IH 19
#define MULTIBOOT_TAG_TYPE_EFI64_IH 20
#define MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR 21
#define MULTIBOOT_HEADER_TAG_END 0 /* Must pass memory information to OS. */
#define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1 #define MULTIBOOT_MEMORY_INFO 0x00000002
#define MULTIBOOT_HEADER_TAG_ADDRESS 2
#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS 3
#define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4
#define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5
#define MULTIBOOT_HEADER_TAG_MODULE_ALIGN 6
#define MULTIBOOT_HEADER_TAG_EFI_BS 7
#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI32 8
#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI64 9
#define MULTIBOOT_HEADER_TAG_RELOCATABLE 10
#define MULTIBOOT_ARCHITECTURE_I386 0 /* Must pass video information to OS. */
#define MULTIBOOT_ARCHITECTURE_MIPS32 4 #define MULTIBOOT_VIDEO_MODE 0x00000004
#define MULTIBOOT_HEADER_TAG_OPTIONAL 1
#define MULTIBOOT_LOAD_PREFERENCE_NONE 0 /* This flag indicates the use of the address fields in the header. */
#define MULTIBOOT_LOAD_PREFERENCE_LOW 1 #define MULTIBOOT_AOUT_KLUDGE 0x00010000
#define MULTIBOOT_LOAD_PREFERENCE_HIGH 2
#define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1 /* Flags to be set in the 'flags' member of the multiboot info structure. */
#define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2
/* is there basic lower/upper memory information? */
#define MULTIBOOT_INFO_MEMORY 0x00000001
/* is there a boot device set? */
#define MULTIBOOT_INFO_BOOTDEV 0x00000002
/* is the command-line defined? */
#define MULTIBOOT_INFO_CMDLINE 0x00000004
/* are there modules to do something with? */
#define MULTIBOOT_INFO_MODS 0x00000008
/* These next two are mutually exclusive */
/* is there a symbol table loaded? */
#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
/* is there an ELF section header table? */
#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
/* is there a full memory map? */
#define MULTIBOOT_INFO_MEM_MAP 0x00000040
/* Is there drive info? */
#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
/* Is there a config table? */
#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
/* Is there a boot loader name? */
#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
/* Is there a APM table? */
#define MULTIBOOT_INFO_APM_TABLE 0x00000400
/* Is there video information? */
#define MULTIBOOT_INFO_VBE_INFO 0x00000800
#define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000
#ifndef ASM_FILE #ifndef ASM_FILE
@ -99,184 +110,96 @@ struct multiboot_header
/* Must be MULTIBOOT_MAGIC - see above. */ /* Must be MULTIBOOT_MAGIC - see above. */
multiboot_uint32_t magic; multiboot_uint32_t magic;
/* ISA */ /* Feature flags. */
multiboot_uint32_t architecture; multiboot_uint32_t flags;
/* Total header length. */
multiboot_uint32_t header_length;
/* The above fields plus this one must equal 0 mod 2^32. */ /* The above fields plus this one must equal 0 mod 2^32. */
multiboot_uint32_t checksum; multiboot_uint32_t checksum;
};
struct multiboot_header_tag /* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
{
multiboot_uint16_t type;
multiboot_uint16_t flags;
multiboot_uint32_t size;
};
struct multiboot_header_tag_information_request
{
multiboot_uint16_t type;
multiboot_uint16_t flags;
multiboot_uint32_t size;
multiboot_uint32_t requests[0];
};
struct multiboot_header_tag_address
{
multiboot_uint16_t type;
multiboot_uint16_t flags;
multiboot_uint32_t size;
multiboot_uint32_t header_addr; multiboot_uint32_t header_addr;
multiboot_uint32_t load_addr; multiboot_uint32_t load_addr;
multiboot_uint32_t load_end_addr; multiboot_uint32_t load_end_addr;
multiboot_uint32_t bss_end_addr; multiboot_uint32_t bss_end_addr;
};
struct multiboot_header_tag_entry_address
{
multiboot_uint16_t type;
multiboot_uint16_t flags;
multiboot_uint32_t size;
multiboot_uint32_t entry_addr; multiboot_uint32_t entry_addr;
};
struct multiboot_header_tag_console_flags /* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
{ multiboot_uint32_t mode_type;
multiboot_uint16_t type;
multiboot_uint16_t flags;
multiboot_uint32_t size;
multiboot_uint32_t console_flags;
};
struct multiboot_header_tag_framebuffer
{
multiboot_uint16_t type;
multiboot_uint16_t flags;
multiboot_uint32_t size;
multiboot_uint32_t width; multiboot_uint32_t width;
multiboot_uint32_t height; multiboot_uint32_t height;
multiboot_uint32_t depth; multiboot_uint32_t depth;
}; };
struct multiboot_header_tag_module_align /* The symbol table for a.out. */
struct multiboot_aout_symbol_table
{ {
multiboot_uint16_t type; multiboot_uint32_t tabsize;
multiboot_uint16_t flags; multiboot_uint32_t strsize;
multiboot_uint32_t addr;
multiboot_uint32_t reserved;
};
typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
/* The section header table for ELF. */
struct multiboot_elf_section_header_table
{
multiboot_uint32_t num;
multiboot_uint32_t size; multiboot_uint32_t size;
multiboot_uint32_t addr;
multiboot_uint32_t shndx;
}; };
typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
struct multiboot_header_tag_relocatable struct multiboot_info
{ {
multiboot_uint16_t type; /* Multiboot info version number */
multiboot_uint16_t flags; multiboot_uint32_t flags;
multiboot_uint32_t size;
multiboot_uint32_t min_addr;
multiboot_uint32_t max_addr;
multiboot_uint32_t align;
multiboot_uint32_t preference;
};
struct multiboot_color /* Available memory from BIOS */
{
multiboot_uint8_t red;
multiboot_uint8_t green;
multiboot_uint8_t blue;
};
struct multiboot_mmap_entry
{
multiboot_uint64_t addr;
multiboot_uint64_t len;
#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
multiboot_uint32_t type;
multiboot_uint32_t zero;
};
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
struct multiboot_tag
{
multiboot_uint32_t type;
multiboot_uint32_t size;
};
struct multiboot_tag_string
{
multiboot_uint32_t type;
multiboot_uint32_t size;
char string[0];
};
struct multiboot_tag_module
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t mod_start;
multiboot_uint32_t mod_end;
char cmdline[0];
};
struct multiboot_tag_basic_meminfo
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t mem_lower; multiboot_uint32_t mem_lower;
multiboot_uint32_t mem_upper; multiboot_uint32_t mem_upper;
};
struct multiboot_tag_bootdev /* "root" partition */
{ multiboot_uint32_t boot_device;
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t biosdev;
multiboot_uint32_t slice;
multiboot_uint32_t part;
};
struct multiboot_tag_mmap /* Kernel command line */
{ multiboot_uint32_t cmdline;
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t entry_size;
multiboot_uint32_t entry_version;
struct multiboot_mmap_entry entries[0];
};
struct multiboot_vbe_info_block /* Boot-Module list */
{ multiboot_uint32_t mods_count;
multiboot_uint8_t external_specification[512]; multiboot_uint32_t mods_addr;
};
struct multiboot_vbe_mode_info_block union
{ {
multiboot_uint8_t external_specification[256]; multiboot_aout_symbol_table_t aout_sym;
}; multiboot_elf_section_header_table_t elf_sec;
} u;
struct multiboot_tag_vbe /* Memory Mapping buffer */
{ multiboot_uint32_t mmap_length;
multiboot_uint32_t type; multiboot_uint32_t mmap_addr;
multiboot_uint32_t size;
/* Drive Info buffer */
multiboot_uint32_t drives_length;
multiboot_uint32_t drives_addr;
/* ROM configuration table */
multiboot_uint32_t config_table;
/* Boot Loader Name */
multiboot_uint32_t boot_loader_name;
/* APM table */
multiboot_uint32_t apm_table;
/* Video */
multiboot_uint32_t vbe_control_info;
multiboot_uint32_t vbe_mode_info;
multiboot_uint16_t vbe_mode; multiboot_uint16_t vbe_mode;
multiboot_uint16_t vbe_interface_seg; multiboot_uint16_t vbe_interface_seg;
multiboot_uint16_t vbe_interface_off; multiboot_uint16_t vbe_interface_off;
multiboot_uint16_t vbe_interface_len; multiboot_uint16_t vbe_interface_len;
struct multiboot_vbe_info_block vbe_control_info;
struct multiboot_vbe_mode_info_block vbe_mode_info;
};
struct multiboot_tag_framebuffer_common
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint64_t framebuffer_addr; multiboot_uint64_t framebuffer_addr;
multiboot_uint32_t framebuffer_pitch; multiboot_uint32_t framebuffer_pitch;
multiboot_uint32_t framebuffer_width; multiboot_uint32_t framebuffer_width;
@ -286,19 +209,12 @@ struct multiboot_tag_framebuffer_common
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1 #define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2 #define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
multiboot_uint8_t framebuffer_type; multiboot_uint8_t framebuffer_type;
multiboot_uint16_t reserved;
};
struct multiboot_tag_framebuffer
{
struct multiboot_tag_framebuffer_common common;
union union
{ {
struct struct
{ {
multiboot_uint32_t framebuffer_palette_addr;
multiboot_uint16_t framebuffer_palette_num_colors; multiboot_uint16_t framebuffer_palette_num_colors;
struct multiboot_color framebuffer_palette[0];
}; };
struct struct
{ {
@ -311,21 +227,46 @@ struct multiboot_tag_framebuffer
}; };
}; };
}; };
typedef struct multiboot_info multiboot_info_t;
struct multiboot_tag_elf_sections struct multiboot_color
{ {
multiboot_uint32_t type; multiboot_uint8_t red;
multiboot_uint32_t size; multiboot_uint8_t green;
multiboot_uint32_t num; multiboot_uint8_t blue;
multiboot_uint32_t entsize;
multiboot_uint32_t shndx;
char sections[0];
}; };
struct multiboot_tag_apm struct multiboot_mmap_entry
{ {
multiboot_uint32_t type;
multiboot_uint32_t size; multiboot_uint32_t size;
multiboot_uint64_t addr;
multiboot_uint64_t len;
#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
multiboot_uint32_t type;
} __attribute__((packed));
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
struct multiboot_mod_list
{
/* the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
multiboot_uint32_t mod_start;
multiboot_uint32_t mod_end;
/* Module command line */
multiboot_uint32_t cmdline;
/* padding to take it to 16 bytes (must be zero) */
multiboot_uint32_t pad;
};
typedef struct multiboot_mod_list multiboot_module_t;
/* APM BIOS info. */
struct multiboot_apm_info
{
multiboot_uint16_t version; multiboot_uint16_t version;
multiboot_uint16_t cseg; multiboot_uint16_t cseg;
multiboot_uint32_t offset; multiboot_uint32_t offset;
@ -337,81 +278,6 @@ struct multiboot_tag_apm
multiboot_uint16_t dseg_len; multiboot_uint16_t dseg_len;
}; };
struct multiboot_tag_efi32
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t pointer;
};
struct multiboot_tag_efi64
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint64_t pointer;
};
struct multiboot_tag_smbios
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint8_t major;
multiboot_uint8_t minor;
multiboot_uint8_t reserved[6];
multiboot_uint8_t tables[0];
};
struct multiboot_tag_old_acpi
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint8_t rsdp[0];
};
struct multiboot_tag_new_acpi
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint8_t rsdp[0];
};
struct multiboot_tag_network
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint8_t dhcpack[0];
};
struct multiboot_tag_efi_mmap
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t descr_size;
multiboot_uint32_t descr_vers;
multiboot_uint8_t efi_mmap[0];
};
struct multiboot_tag_efi32_ih
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t pointer;
};
struct multiboot_tag_efi64_ih
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint64_t pointer;
};
struct multiboot_tag_load_base_addr
{
multiboot_uint32_t type;
multiboot_uint32_t size;
multiboot_uint32_t load_base_addr;
};
#endif /* ! ASM_FILE */ #endif /* ! ASM_FILE */
#endif /* ! MULTIBOOT_HEADER */ #endif /* ! MULTIBOOT_HEADER */

View File

@ -31,7 +31,7 @@ extern void testf(void);
// //
// Entry point of the Kaleid kernel // Entry point of the Kaleid kernel
// //
noreturn void StartKern(void *mbInfo, int mbMagic) noreturn void StartKern(multiboot_info_t *mbInfo, int mbMagic)
{ {
// We're not ready to deal with interrupts // We're not ready to deal with interrupts
DisableIRQs(); DisableIRQs();
@ -39,7 +39,13 @@ noreturn void StartKern(void *mbInfo, int mbMagic)
// Kernel terminals // Kernel terminals
InitTerms(); InitTerms();
char *grubver = mbInfo->boot_loader_name;
// We're out // We're out
StartPanic("We had\n *mbInfo : %p\n mbMagic : %p\n\nGoodbye World :(", mbInfo, mbMagic); StartPanic("We get\n *mbInfo : %x\n mbMagic : %x\n\n\
We were loaded by : %s \n\n\
\nGoodbye World :(", mbInfo, mbMagic, grubver);
} }