From 17f714719b0a3eeb575755f7b41a0b3f2bd5fb22 Mon Sep 17 00:00:00 2001 From: Adrien Bourmault Date: Tue, 12 Mar 2019 23:25:30 +0100 Subject: [PATCH] multiboooooooot --- boot/loader/multiboot/header.inc | 2 +- kaleid/include/multiboot/multiboot.h | 472 ++++++++++----------------- kaleid/kernel/init/init.c | 10 +- 3 files changed, 178 insertions(+), 306 deletions(-) diff --git a/boot/loader/multiboot/header.inc b/boot/loader/multiboot/header.inc index 337d168..06f89a4 100644 --- a/boot/loader/multiboot/header.inc +++ b/boot/loader/multiboot/header.inc @@ -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_HEADER_MAGIC equ 0x1badb002 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) KERNEL_STACK equ 0x00200000 ; Stack starts at the 2mb address & grows down diff --git a/kaleid/include/multiboot/multiboot.h b/kaleid/include/multiboot/multiboot.h index 2c93a2a..2a5d469 100644 --- a/kaleid/include/multiboot/multiboot.h +++ b/kaleid/include/multiboot/multiboot.h @@ -1,91 +1,102 @@ -/* multiboot2.h - Multiboot 2 header file. */ -/* Copyright (C) 1999,2003,2007,2008,2009,2010 Free Software Foundation, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * 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 - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * 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. - */ +//----------------------------------------------------------------------------// +// GNU GPL OS/K // +// // +// Desc: multiboot.h - Multiboot header file. // +// // +// // +// Copyright © 1999,2003,2007-2010 Free Software Foundation, Inc. // +// // +// Note: In this header, "the software" refers to the multiboot.h file. // +// // +// Permission is hereby granted, free of charge, to any person // +// obtaining a copy 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 sell copies of the Software, // +// and to permit persons to whom the Software is furnished to do so, // +// subject to the following conditions: // +// // +// 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 #define MULTIBOOT_HEADER 1 /* How many bytes from the start of the file we search for the header. */ -#define MULTIBOOT_SEARCH 32768 -#define MULTIBOOT_HEADER_ALIGN 8 +#define MULTIBOOT_SEARCH 8192 +#define MULTIBOOT_HEADER_ALIGN 4 /* The magic field should contain this. */ -#define MULTIBOOT2_HEADER_MAGIC 0xe85250d6 +#define MULTIBOOT_HEADER_MAGIC 0x1BADB002 /* This should be in %eax. */ -#define MULTIBOOT2_BOOTLOADER_MAGIC 0x36d76289 +#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002 /* Alignment of multiboot modules. */ #define MULTIBOOT_MOD_ALIGN 0x00001000 /* 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. */ -#define MULTIBOOT_TAG_ALIGN 8 -#define MULTIBOOT_TAG_TYPE_END 0 -#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 +/* Align all boot modules on i386 page (4KB) boundaries. */ +#define MULTIBOOT_PAGE_ALIGN 0x00000001 -#define MULTIBOOT_HEADER_TAG_END 0 -#define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1 -#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 +/* Must pass memory information to OS. */ +#define MULTIBOOT_MEMORY_INFO 0x00000002 -#define MULTIBOOT_ARCHITECTURE_I386 0 -#define MULTIBOOT_ARCHITECTURE_MIPS32 4 -#define MULTIBOOT_HEADER_TAG_OPTIONAL 1 +/* Must pass video information to OS. */ +#define MULTIBOOT_VIDEO_MODE 0x00000004 -#define MULTIBOOT_LOAD_PREFERENCE_NONE 0 -#define MULTIBOOT_LOAD_PREFERENCE_LOW 1 -#define MULTIBOOT_LOAD_PREFERENCE_HIGH 2 +/* This flag indicates the use of the address fields in the header. */ +#define MULTIBOOT_AOUT_KLUDGE 0x00010000 -#define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1 -#define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2 +/* Flags to be set in the 'flags' member of the multiboot info structure. */ + +/* 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 @@ -99,184 +110,96 @@ struct multiboot_header /* Must be MULTIBOOT_MAGIC - see above. */ multiboot_uint32_t magic; - /* ISA */ - multiboot_uint32_t architecture; - - /* Total header length. */ - multiboot_uint32_t header_length; + /* Feature flags. */ + multiboot_uint32_t flags; /* The above fields plus this one must equal 0 mod 2^32. */ multiboot_uint32_t checksum; -}; -struct multiboot_header_tag -{ - 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; + /* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */ multiboot_uint32_t header_addr; multiboot_uint32_t load_addr; multiboot_uint32_t load_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; -}; -struct multiboot_header_tag_console_flags -{ - 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; + /* These are only valid if MULTIBOOT_VIDEO_MODE is set. */ + multiboot_uint32_t mode_type; multiboot_uint32_t width; multiboot_uint32_t height; 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_uint16_t flags; + multiboot_uint32_t tabsize; + 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 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_uint16_t flags; - multiboot_uint32_t size; - multiboot_uint32_t min_addr; - multiboot_uint32_t max_addr; - multiboot_uint32_t align; - multiboot_uint32_t preference; -}; + /* Multiboot info version number */ + multiboot_uint32_t flags; -struct multiboot_color -{ - 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; + /* Available memory from BIOS */ multiboot_uint32_t mem_lower; multiboot_uint32_t mem_upper; -}; -struct multiboot_tag_bootdev -{ - multiboot_uint32_t type; - multiboot_uint32_t size; - multiboot_uint32_t biosdev; - multiboot_uint32_t slice; - multiboot_uint32_t part; -}; + /* "root" partition */ + multiboot_uint32_t boot_device; -struct multiboot_tag_mmap -{ - multiboot_uint32_t type; - multiboot_uint32_t size; - multiboot_uint32_t entry_size; - multiboot_uint32_t entry_version; - struct multiboot_mmap_entry entries[0]; -}; + /* Kernel command line */ + multiboot_uint32_t cmdline; -struct multiboot_vbe_info_block -{ - multiboot_uint8_t external_specification[512]; -}; + /* Boot-Module list */ + multiboot_uint32_t mods_count; + multiboot_uint32_t mods_addr; -struct multiboot_vbe_mode_info_block -{ - multiboot_uint8_t external_specification[256]; -}; + union + { + multiboot_aout_symbol_table_t aout_sym; + multiboot_elf_section_header_table_t elf_sec; + } u; -struct multiboot_tag_vbe -{ - multiboot_uint32_t type; - multiboot_uint32_t size; + /* Memory Mapping buffer */ + multiboot_uint32_t mmap_length; + multiboot_uint32_t mmap_addr; + /* 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_interface_seg; multiboot_uint16_t vbe_interface_off; 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_uint32_t framebuffer_pitch; multiboot_uint32_t framebuffer_width; @@ -286,19 +209,12 @@ struct multiboot_tag_framebuffer_common #define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1 #define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2 multiboot_uint8_t framebuffer_type; - multiboot_uint16_t reserved; -}; - -struct multiboot_tag_framebuffer -{ - struct multiboot_tag_framebuffer_common common; - union { struct { + multiboot_uint32_t framebuffer_palette_addr; multiboot_uint16_t framebuffer_palette_num_colors; - struct multiboot_color framebuffer_palette[0]; }; 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_uint32_t size; - multiboot_uint32_t num; - multiboot_uint32_t entsize; - multiboot_uint32_t shndx; - char sections[0]; + multiboot_uint8_t red; + multiboot_uint8_t green; + multiboot_uint8_t blue; }; -struct multiboot_tag_apm +struct multiboot_mmap_entry { - multiboot_uint32_t type; 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 cseg; multiboot_uint32_t offset; @@ -337,81 +278,6 @@ struct multiboot_tag_apm 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 /* ! MULTIBOOT_HEADER */ diff --git a/kaleid/kernel/init/init.c b/kaleid/kernel/init/init.c index 6430af3..fe17fd9 100644 --- a/kaleid/kernel/init/init.c +++ b/kaleid/kernel/init/init.c @@ -31,7 +31,7 @@ extern void testf(void); // // 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 DisableIRQs(); @@ -39,7 +39,13 @@ noreturn void StartKern(void *mbInfo, int mbMagic) // Kernel terminals InitTerms(); + char *grubver = mbInfo->boot_loader_name; + + // 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); } +