diff options
| -rw-r--r-- | i386/i386at/model_dep.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/i386/i386at/model_dep.c b/i386/i386at/model_dep.c index b25676fd..04660a6d 100644 --- a/i386/i386at/model_dep.c +++ b/i386/i386at/model_dep.c @@ -297,7 +297,8 @@ register_boot_data(const struct multiboot_raw_info *mbi) for (i = 0; i < mbi->mods_count; i++) { mod = (struct multiboot_raw_module *)tmp + i; - biosmem_register_boot_data(mod->mod_start, mod->mod_end, TRUE); + if (mod->mod_end != mod->mod_start) + biosmem_register_boot_data(mod->mod_start, mod->mod_end, TRUE); if (mod->string != 0) { biosmem_register_boot_data(mod->string, @@ -310,7 +311,8 @@ register_boot_data(const struct multiboot_raw_info *mbi) if (mbi->flags & MULTIBOOT_LOADER_SHDR) { tmp = mbi->shdr_num * mbi->shdr_size; - biosmem_register_boot_data(mbi->shdr_addr, mbi->shdr_addr + tmp, FALSE); + if (tmp != 0) + biosmem_register_boot_data(mbi->shdr_addr, mbi->shdr_addr + tmp, FALSE); tmp = phystokv(mbi->shdr_addr); @@ -321,7 +323,8 @@ register_boot_data(const struct multiboot_raw_info *mbi) && (shdr->type != ELF_SHT_STRTAB)) continue; - biosmem_register_boot_data(shdr->addr, shdr->addr + shdr->size, FALSE); + if (shdr->size != 0) + biosmem_register_boot_data(shdr->addr, shdr->addr + shdr->size, FALSE); } } } |