7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #if defined(__lint)
  28 
  29 int silence_lint_warnings = 0;
  30 
  31 #else /* __lint */
  32 
  33 #include <sys/multiboot.h>
  34 #include <sys/multiboot2.h>
  35 #include <sys/asm_linkage.h>
  36 #include <sys/segments.h>
  37 #include <sys/controlregs.h>
  38 
  39 #include "dboot_xboot.h"
  40 
  41         .text
  42         .globl _start
  43 _start:
  44         jmp     code_start
  45 
  46         /*
  47          * The multiboot header has to be at the start of the file
  48          *
  49          * The 32 bit kernel is ELF32, so the MB header is mostly ignored.
  50          *
  51          * The 64 bit kernel is ELF64, so we get grub to load the entire
  52          * ELF file into memory and trick it into jumping into this code.

 355         xorl    $0x200000, %ecx
 356         pushl   %ecx
 357         popf
 358         pushf
 359         popl    %ecx
 360         cmpl    %ecx, %edx
 361         setne   %al
 362         popf
 363         ret
 364         SET_SIZE(have_cpuid)
 365 
 366         /*
 367          * We want the GDT to be on its own page for better performance
 368          * running under hypervisors.
 369          */
 370         .skip 4096
 371 #include "../boot/boot_gdt.s"
 372         .skip 4096
 373         .long   0
 374 
 375 #endif /* __lint */

   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 






  27 #include <sys/multiboot.h>
  28 #include <sys/multiboot2.h>
  29 #include <sys/asm_linkage.h>
  30 #include <sys/segments.h>
  31 #include <sys/controlregs.h>
  32 
  33 #include "dboot_xboot.h"
  34 
  35         .text
  36         .globl _start
  37 _start:
  38         jmp     code_start
  39 
  40         /*
  41          * The multiboot header has to be at the start of the file
  42          *
  43          * The 32 bit kernel is ELF32, so the MB header is mostly ignored.
  44          *
  45          * The 64 bit kernel is ELF64, so we get grub to load the entire
  46          * ELF file into memory and trick it into jumping into this code.

 349         xorl    $0x200000, %ecx
 350         pushl   %ecx
 351         popf
 352         pushf
 353         popl    %ecx
 354         cmpl    %ecx, %edx
 355         setne   %al
 356         popf
 357         ret
 358         SET_SIZE(have_cpuid)
 359 
 360         /*
 361          * We want the GDT to be on its own page for better performance
 362          * running under hypervisors.
 363          */
 364         .skip 4096
 365 #include "../boot/boot_gdt.s"
 366         .skip 4096
 367         .long   0
 368