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 2007 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28 
  29 #include <sys/asm_linkage.h>
  30 #include <sys/asm_misc.h>
  31 #include "dboot_xboot.h"
  32 
  33 #if defined(__lint)
  34 
  35 #else /* __lint */
  36 
  37 #if defined(__amd64)
  38 
  39         ENTRY_NP(_start)
  40         /*
  41          * At entry we are passed a (start_info_t *) in %rsi.
  42          */
  43         movq    %rsi, xen_info(%rip)
  44 
  45         /*
  46          * make sure we have sane processor state
  47          */
  48         xorw    %ax, %ax
  49         movw    %ax, %fs
  50         movw    %ax, %gs
  51         pushq   $0
  52         popfq
  53         pushq   $0
  54 
  55         /*
  56          * go off and unpack the kernel bits, adjust page tables, etc.

 108          */
 109         movl    $stack_space, %esp      /* load my stack pointer */
 110         addl    $STACK_SIZE, %esp
 111 
 112         pushl   $0x0                    /* push a dead-end frame */
 113         pushl   $0x0
 114         movl    %esp, %ebp
 115 
 116         /*
 117          * when we get back, load the kernel entry point and jump to it
 118          * The address of the xboot_info is the kernel's only argument.
 119          */
 120         movl    entry_addr_low, %esi
 121         movl    bi, %eax
 122         pushl   %eax
 123         call    *%esi
 124         SET_SIZE(_start)
 125 
 126 #endif  /* __i386 */
 127 
 128 #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 2007 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 


  27 #include <sys/asm_linkage.h>
  28 #include <sys/asm_misc.h>
  29 #include "dboot_xboot.h"
  30 




  31 #if defined(__amd64)
  32 
  33         ENTRY_NP(_start)
  34         /*
  35          * At entry we are passed a (start_info_t *) in %rsi.
  36          */
  37         movq    %rsi, xen_info(%rip)
  38 
  39         /*
  40          * make sure we have sane processor state
  41          */
  42         xorw    %ax, %ax
  43         movw    %ax, %fs
  44         movw    %ax, %gs
  45         pushq   $0
  46         popfq
  47         pushq   $0
  48 
  49         /*
  50          * go off and unpack the kernel bits, adjust page tables, etc.

 102          */
 103         movl    $stack_space, %esp      /* load my stack pointer */
 104         addl    $STACK_SIZE, %esp
 105 
 106         pushl   $0x0                    /* push a dead-end frame */
 107         pushl   $0x0
 108         movl    %esp, %ebp
 109 
 110         /*
 111          * when we get back, load the kernel entry point and jump to it
 112          * The address of the xboot_info is the kernel's only argument.
 113          */
 114         movl    entry_addr_low, %esi
 115         movl    bi, %eax
 116         pushl   %eax
 117         call    *%esi
 118         SET_SIZE(_start)
 119 
 120 #endif  /* __i386 */
 121