usr/src/cmd/mdb/i86pc/modules/unix/unix_sup.s

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright 2015 Joyent, Inc.
  14  */
  15
  16         .file   "unix_sup.s"
  17
  18 /*
  19  * Support routines for the unix kmdb module
  20  */
  21
  22 #include <sys/asm_linkage.h>
  23
  24
  25 #if defined(__amd64)
  26         ENTRY(kmdb_unix_getcr0)
  27         movq %cr0, %rax
  28         ret
  29         SET_SIZE(kmdb_unix_getcr0)
  30
  31         ENTRY(kmdb_unix_getcr4)
  32         movq %cr4, %rax
  33         ret
  34         SET_SIZE(kmdb_unix_getcr4)
  35
  36 #elif defined (__i386)
  37         ENTRY(kmdb_unix_getcr0)
  38         movl %cr0, %eax
  39         ret
  40         SET_SIZE(kmdb_unix_getcr0)
  41
  42         ENTRY(kmdb_unix_getcr4)
  43         movl %cr4, %eax
  44         ret
  45         SET_SIZE(kmdb_unix_getcr4)
  46
  47 #endif  /* __i386 */
  48