The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/bios/smapi_bios.S

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
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    1 #include <machine/asm.h>
    2 __FBSDID("$FreeBSD: releng/11.0/sys/i386/bios/smapi_bios.S 239869 2012-08-29 18:22:52Z dim $");
    3 
    4 /*
    5  * This is cribbed from the Linux thinkpad-4.1 driver by
    6  * Thomas Hood.
    7  */
    8 
    9 smapi32_entry:                                  /* far pointer to SMAPI entry */
   10         .globl  smapi32_offset
   11 smapi32_offset:         .long   0x00000000      /* set by caller */
   12 smapi32_segment:        .word   0x0000          /* %cs stored here */
   13 
   14         .text
   15 /*
   16  * smapi32(input_param, output_param)
   17  *      struct smapi_bios_parameter *input_parm;
   18  *      struct smapi_bios_parameter *output_parm;
   19  *
   20  *      stack frame:
   21  *              0x00 : saved ebp
   22  *              0x04 : return EIP
   23  *              0x08 : input_parm
   24  *              0x0c : output_parm
   25  */
   26 ENTRY(smapi32)
   27         pushl   %ebp                    /* Save frame */
   28         movl    %esp,%ebp
   29 
   30         pushl   %ds
   31         pushl   0x0c(%ebp)              /* Output Param */
   32         pushl   %ds
   33         pushl   0x08(%ebp)              /* Input Param */
   34 
   35         movl    $0,%eax                 /* Clear EAX (return 0) */
   36         movw    %cs,smapi32_segment     /* Save CS */
   37         lcall   *(smapi32_offset)
   38 
   39         leave
   40         ret

Cache object: 3031863046c75f9882be9f970a5f51d1


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