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 
  30 #if defined(__lint)
  31 
  32 #include "dboot_asm.h"
  33 
  34 /* ARGSUSED */
  35 uint32_t
  36 get_cpuid_edx(uint32_t *eax)
  37 { return (0); }
  38 
  39 /* ARGSUSED */
  40 void
  41 outb(int port, uint8_t value)
  42 {}
  43 
  44 /* ARGSUSED */
  45 uint8_t
  46 inb(int port)
  47 { return (0); }
  48 
  49 #else /* __lint */
  50 
  51 #if defined(__amd64)
  52 
  53         /*
  54          * do a cpuid instruction, returning the eax/edx values
  55          *
  56          * uint32_t get_cpuid_edx(uint32_t *eax)
  57          */
  58         ENTRY_NP(get_cpuid_edx)
  59         pushq   %rbx
  60         movl    (%rdi), %eax
  61         cpuid
  62         movl    %eax, (%rdi)
  63         movl    %edx, %eax
  64         popq    %rbx
  65         ret
  66         SET_SIZE(get_cpuid_edx)
  67 
  68         /*
  69          * void outb(int port, uint8_t value)
  70          */

 123         SET_SIZE(outb)
 124 
 125         /*
 126          * uint8_t inb(int port)
 127          */
 128         ENTRY_NP(inb)
 129         movl    4(%esp), %edx
 130         inb     (%dx)
 131         andl    $0xff, %eax
 132         ret
 133         SET_SIZE(inb)
 134 
 135         ENTRY(htonl)
 136         movl    4(%esp), %eax
 137         bswap   %eax
 138         ret
 139         SET_SIZE(htonl)
 140 
 141 #endif  /* __i386 */
 142 
 143 #endif /* __lint */

  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 





















  30 #if defined(__amd64)
  31 
  32         /*
  33          * do a cpuid instruction, returning the eax/edx values
  34          *
  35          * uint32_t get_cpuid_edx(uint32_t *eax)
  36          */
  37         ENTRY_NP(get_cpuid_edx)
  38         pushq   %rbx
  39         movl    (%rdi), %eax
  40         cpuid
  41         movl    %eax, (%rdi)
  42         movl    %edx, %eax
  43         popq    %rbx
  44         ret
  45         SET_SIZE(get_cpuid_edx)
  46 
  47         /*
  48          * void outb(int port, uint8_t value)
  49          */

 102         SET_SIZE(outb)
 103 
 104         /*
 105          * uint8_t inb(int port)
 106          */
 107         ENTRY_NP(inb)
 108         movl    4(%esp), %edx
 109         inb     (%dx)
 110         andl    $0xff, %eax
 111         ret
 112         SET_SIZE(inb)
 113 
 114         ENTRY(htonl)
 115         movl    4(%esp), %eax
 116         bswap   %eax
 117         ret
 118         SET_SIZE(htonl)
 119 
 120 #endif  /* __i386 */
 121