| 0,0 → 1,107 |
|---|
| /* |
| * Copyright (c) 2009 Jiri Svoboda |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup ia32 |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #include <main/main.h> |
| #include <arch/boot/boot.h> |
| #include <arch/boot/cboot.h> |
| #include <arch/boot/memmap.h> |
| #include <config.h> |
| #include <memstr.h> |
| |
| /* This is a symbol so the type is only dummy. Obtain the value using &. */ |
| extern int _hardcoded_unmapped_size; |
| |
| /** C part of ia32 boot sequence. |
| * @param signature Should contain the multiboot signature. |
| * @param mi Pointer to the multiboot information structure. |
| */ |
| void ia32_cboot(uint32_t signature, const mb_info_t *mi) |
| { |
| uint32_t flags; |
| mb_mod_t *mods; |
| uint32_t i; |
| |
| flags = mi->flags; |
| |
| /* Copy module information. */ |
| |
| if ((flags & MBINFO_FLAGS_MODS) != 0) { |
| init.cnt = mi->mods_count; |
| mods = mi->mods_addr; |
| |
| for (i = 0; i < init.cnt; i++) { |
| init.tasks[i].addr = mods[i].start + 0x80000000; |
| init.tasks[i].size = mods[i].end - mods[i].start; |
| } |
| } else { |
| init.cnt = 0; |
| } |
| |
| /* Copy memory map. */ |
| |
| int32_t mmap_length; |
| mb_mmap_t *mme; |
| uint32_t size; |
| |
| if ((flags & MBINFO_FLAGS_MMAP) != 0) { |
| mmap_length = mi->mmap_length; |
| mme = mi->mmap_addr; |
| e820counter = 0; |
| |
| i = 0; |
| while (mmap_length > 0) { |
| e820table[i++] = mme->mm_info; |
| |
| /* Compute address of next structure. */ |
| size = sizeof(mme->size) + mme->size; |
| mme = ((void *) mme) + size; |
| mmap_length -= size; |
| } |
| |
| e820counter = i; |
| } else { |
| e820counter = 0; |
| } |
| |
| #ifdef CONFIG_SMP |
| /* Copy AP bootstrap routines below 1 MB. */ |
| memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
| (size_t) &_hardcoded_unmapped_size); |
| #endif |
| |
| main_bsp(); |
| } |
| |
| /** @} |
| */ |