Luigi Capogrosso
81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/// MentOS, The Mentoring Operating system project
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/// @file multiboot.c
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/// @brief
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/// @copyright (c) 2019 This file is distributed under the MIT License.
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/// See LICENSE.md for details.
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#include "multiboot.h"
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#include "bitops.h"
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#include "debug.h"
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void dump_multiboot(multiboot_info_t *mbi)
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{
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dbg_print("\n--------------------------------------------------\n");
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dbg_print("MULTIBOOT header at 0x%x:\n", mbi);
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dbg_print("Flags : 0x%x\n", mbi->flags);
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if (has_flag(mbi->flags, MULTIBOOT_FLAG_MEM)) {
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dbg_print("Mem Lo: 0x%x\n", mbi->mem_lower * K);
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dbg_print("Mem Hi: 0x%x (%dMB)\n", mbi->mem_upper * K,
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(mbi->mem_upper / 1024));
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}
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if (has_flag(mbi->flags, MULTIBOOT_FLAG_DEVICE)) {
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dbg_print("Boot d: 0x%x\n", mbi->boot_device);
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}
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if (has_flag(mbi->flags, MULTIBOOT_FLAG_CMDLINE)) {
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dbg_print("cmdlin: 0x%x (%s)\n", mbi->cmdline, (char *)mbi->cmdline);
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}
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if (has_flag(mbi->flags, MULTIBOOT_FLAG_MODS)) {
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dbg_print("Mods : 0x%x\n", mbi->mods_count);
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multiboot_module_t *mod = (multiboot_module_t *)mbi->mods_addr;
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if (mbi->mods_count > 0) {
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for (uint32_t i = 0; i < mbi->mods_count && i < MAX_MODULES;
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i++, mod++) {
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uint32_t start = mod->mod_start;
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uint32_t end = mod->mod_end;
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dbg_print("\tModule %d is at 0x%x:0x%x\n", i + 1, start, end);
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}
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/* Last implementation
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for (uint32_t i = 0; i < mbi->mods_count; ++i)
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{
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// uint32_t start = *((uint32_t *) (mbi->mods_addr + 8 * i));
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uint32_t start = mbi->mods_addr + 8 * i;
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// uint32_t end = *((uint32_t *) (mbi->mods_addr + 8 * i + 4));
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uint32_t end = mbi->mods_addr + 8 * i + 4;
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dbg_print("\tModule %d is at 0x%x:0x%x\n", i + 1, start, end);
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}
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*/
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}
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}
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if (has_flag(mbi->flags, MULTIBOOT_FLAG_AOUT)) {
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dbg_print("AOUT t : 0x%x\n", mbi->u.aout_sym.tabsize);
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dbg_print("AOUT s : 0x%x\n", mbi->u.aout_sym.strsize);
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dbg_print("AOUT a : 0x%x\n", mbi->u.aout_sym.addr);
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dbg_print("AOUT r : 0x%x\n", mbi->u.aout_sym.reserved);
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}
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if (has_flag(mbi->flags, MULTIBOOT_FLAG_ELF)) {
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dbg_print("ELF n : 0x%x\n", mbi->u.elf_sec.num);
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dbg_print("ELF s : 0x%x\n", mbi->u.elf_sec.size);
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dbg_print("ELF a : 0x%x\n", mbi->u.elf_sec.addr);
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dbg_print("ELF h : 0x%x\n", mbi->u.elf_sec.shndx);
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}
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dbg_print("MMap : 0x%x\n", mbi->mmap_length);
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dbg_print("Addr : 0x%x\n", mbi->mmap_addr);
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dbg_print("Drives: 0x%x\n", mbi->drives_length);
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dbg_print("Addr : 0x%x\n", mbi->drives_addr);
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dbg_print("Config: 0x%x\n", mbi->config_table);
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dbg_print("Loader: 0x%x (%s)\n", mbi->boot_loader_name,
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(char *)mbi->boot_loader_name);
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dbg_print("APM : 0x%x\n", mbi->apm_table);
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dbg_print("VBE Co: 0x%x\n", mbi->vbe_control_info);
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dbg_print("VBE Mo: 0x%x\n", mbi->vbe_mode_info);
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dbg_print("VBE In: 0x%x\n", mbi->vbe_mode);
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dbg_print("VBE se: 0x%x\n", mbi->vbe_interface_seg);
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dbg_print("VBE of: 0x%x\n", mbi->vbe_interface_off);
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dbg_print("VBE le: 0x%x\n", mbi->vbe_interface_len);
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dbg_print("--------------------------------------------------\n");
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dbg_print("\n");
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}
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