Merge branch 'x86-kbuild-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[sfrench/cifs-2.6.git] / arch / x86 / kernel / setup.c
index 523bb697120d18697addb94e2be26b0bb24dcef3..7791eef95b9133cff501b398cc9a36828d2418fb 100644 (file)
@@ -214,8 +214,8 @@ unsigned long mmu_cr4_features;
 unsigned long mmu_cr4_features = X86_CR4_PAE;
 #endif
 
-/* Boot loader ID as an integer, for the benefit of proc_dointvec */
-int bootloader_type;
+/* Boot loader ID and version as integers, for the benefit of proc_dointvec */
+int bootloader_type, bootloader_version;
 
 /*
  * Setup options
@@ -706,6 +706,12 @@ void __init setup_arch(char **cmdline_p)
 #endif
        saved_video_mode = boot_params.hdr.vid_mode;
        bootloader_type = boot_params.hdr.type_of_loader;
+       if ((bootloader_type >> 4) == 0xe) {
+               bootloader_type &= 0xf;
+               bootloader_type |= (boot_params.hdr.ext_loader_type+0x10) << 4;
+       }
+       bootloader_version  = bootloader_type & 0xf;
+       bootloader_version |= boot_params.hdr.ext_loader_ver << 4;
 
 #ifdef CONFIG_BLK_DEV_RAM
        rd_image_start = boot_params.hdr.ram_size & RAMDISK_IMAGE_START_MASK;