+++ /dev/null
-/* multiboot2.c - boot a multiboot 2 OS image. */
-/*
- * GRUB -- GRand Unified Bootloader
- * Copyright (C) 2007,2008,2009 Free Software Foundation, Inc.
- *
- * GRUB is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * GRUB is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <grub/multiboot2.h>
-#include <multiboot2.h>
-#include <grub/elf.h>
-#include <grub/err.h>
-#include <grub/machine/loader.h>
-#include <grub/mm.h>
-#include <grub/multiboot.h>
-#include <grub/cpu/multiboot.h>
-
-grub_err_t
-grub_mb2_arch_elf32_hook (Elf32_Phdr *phdr,
- grub_addr_t *addr __attribute__ ((unused)),
- int *do_load)
-{
- Elf32_Addr paddr = phdr->p_paddr;
-
- if (phdr->p_type != PT_LOAD)
- {
- *do_load = 0;
- return 0;
- }
- *do_load = 1;
-
- if ((paddr < grub_os_area_addr)
- || (paddr + phdr->p_memsz > grub_os_area_addr + grub_os_area_size))
- return grub_error(GRUB_ERR_OUT_OF_RANGE,"address 0x%x is out of range",
- paddr);
-
- return GRUB_ERR_NONE;
-}
-
-grub_err_t
-grub_mb2_arch_elf64_hook (Elf64_Phdr *phdr,
- grub_addr_t *addr __attribute__ ((unused)),
- int *do_load)
-{
- Elf64_Addr paddr = phdr->p_paddr;
-
- if (phdr->p_type != PT_LOAD)
- {
- *do_load = 0;
- return 0;
- }
- *do_load = 1;
-
- if ((paddr < grub_os_area_addr)
- || (paddr + phdr->p_memsz > grub_os_area_addr + grub_os_area_size))
- return grub_error (GRUB_ERR_OUT_OF_RANGE, "address 0x%x is out of range",
- paddr);
-
- return GRUB_ERR_NONE;
-}
-
-grub_err_t
-grub_mb2_arch_module_alloc (grub_size_t size, grub_addr_t *addr)
-{
- grub_addr_t modaddr;
-
- modaddr = (grub_addr_t) grub_memalign (MULTIBOOT2_MOD_ALIGN, size);
- if (! modaddr)
- return grub_errno;
-
- *addr = modaddr;
- return GRUB_ERR_NONE;
-}
-
-grub_err_t
-grub_mb2_arch_module_free (grub_addr_t addr,
- grub_size_t size __attribute__ ((unused)))
-{
- grub_free((void *) addr);
- return GRUB_ERR_NONE;
-}
-
-void
-grub_mb2_arch_boot (grub_addr_t entry, void *tags)
-{
- grub_multiboot2_real_boot (entry, tags);
-}
-
-void
-grub_mb2_arch_unload (struct multiboot2_tag_header *tags)
-{
- struct multiboot2_tag_header *tag;
-
- /* Free all module memory in the tag list. */
- for_each_tag (tag, tags)
- {
- if (tag->key == MULTIBOOT2_TAG_MODULE)
- {
- struct multiboot2_tag_module *module =
- (struct multiboot2_tag_module *) tag;
- grub_free((void *) module->addr);
- }
- }
-}
-
-grub_err_t
-grub_mb2_tags_arch_create (void)
-{
- /* XXX Create boot device et al. */
- return GRUB_ERR_NONE;
-}