Inlined ins/outs functions.
Obtained from: NetBSD
This commit is contained in:
dg
parent
6eb62341ed
commit
a93669f48d
@ -30,7 +30,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: support.s,v 1.17 1994/09/12 11:38:09 davidg Exp $
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* $Id: support.s,v 1.18 1994/09/16 13:33:27 davidg Exp $
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*/
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#include "assym.s" /* system definitions */
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@ -56,49 +56,9 @@ ENTRY(__divsi3)
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idivl 8(%esp)
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ret
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/*
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* I/O bus instructions via C
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*/
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ENTRY(insb) /* insb(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insb
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NOP
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movl %edi,%eax
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popl %edi
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ret
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ENTRY(insw) /* insw(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insw
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NOP
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movl %edi,%eax
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popl %edi
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ret
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ENTRY(insl) /* insl(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insl
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NOP
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movl %edi,%eax
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popl %edi
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ret
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/*
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* Support for reading real time clock registers
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*/
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ENTRY(rtcin) /* rtcin(val) */
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movl 4(%esp),%eax
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outb %al,$0x70
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@ -108,45 +68,6 @@ ENTRY(rtcin) /* rtcin(val) */
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NOP
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ret
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ENTRY(outsb) /* outsb(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsb
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NOP
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movl %esi,%eax
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popl %esi
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ret
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ENTRY(outsw) /* outsw(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsw
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NOP
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movl %esi,%eax
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popl %esi
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ret
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ENTRY(outsl) /* outsl(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsl
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NOP
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movl %esi,%eax
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popl %esi
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ret
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/*
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* bcopy family
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*/
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@ -30,7 +30,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: support.s,v 1.17 1994/09/12 11:38:09 davidg Exp $
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* $Id: support.s,v 1.18 1994/09/16 13:33:27 davidg Exp $
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*/
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#include "assym.s" /* system definitions */
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@ -56,49 +56,9 @@ ENTRY(__divsi3)
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idivl 8(%esp)
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ret
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/*
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* I/O bus instructions via C
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*/
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ENTRY(insb) /* insb(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insb
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NOP
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movl %edi,%eax
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popl %edi
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ret
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ENTRY(insw) /* insw(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insw
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NOP
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movl %edi,%eax
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popl %edi
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ret
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ENTRY(insl) /* insl(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insl
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NOP
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movl %edi,%eax
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popl %edi
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ret
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/*
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* Support for reading real time clock registers
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*/
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ENTRY(rtcin) /* rtcin(val) */
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movl 4(%esp),%eax
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outb %al,$0x70
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@ -108,45 +68,6 @@ ENTRY(rtcin) /* rtcin(val) */
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NOP
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ret
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ENTRY(outsb) /* outsb(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsb
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NOP
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movl %esi,%eax
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popl %esi
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ret
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ENTRY(outsw) /* outsw(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsw
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NOP
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movl %esi,%eax
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popl %esi
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ret
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ENTRY(outsl) /* outsl(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsl
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NOP
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movl %esi,%eax
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popl %esi
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ret
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/*
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* bcopy family
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*/
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@ -30,9 +30,41 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: cpufunc.h,v 1.25 1994/09/25 19:33:22 phk Exp $
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*
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* Portions:
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* Copyright (c) 1993 Charles Hannum.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles Hannum.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* $Id: cpufunc.h,v 1.26 1994/09/25 20:03:41 davidg Exp $
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*/
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/*
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* Functions to provide access to special i386 instructions.
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* XXX - bezillions more are defined in locore.s but are not declared anywhere.
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@ -48,6 +80,48 @@
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#ifdef __GNUC__
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static __inline void
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insb(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;insb" :
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: "d" (port), "D" (addr), "c" (cnt) : "%edi", "%ecx", "memory");
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}
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static __inline void
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insw(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;insw" :
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: "d" (port), "D" (addr), "c" (cnt) : "%edi", "%ecx", "memory");
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}
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static __inline void
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insl(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;insl" :
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: "d" (port), "D" (addr), "c" (cnt) : "%edi", "%ecx", "memory");
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}
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static __inline void
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outsb(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;outsb" :
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: "d" (port), "S" (addr), "c" (cnt) : "%esi", "%ecx");
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}
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static __inline void
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outsw(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;outsw" :
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: "d" (port), "S" (addr), "c" (cnt) : "%esi", "%ecx");
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}
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static __inline void
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outsl(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;outsl" :
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: "d" (port), "S" (addr), "c" (cnt) : "%esi", "%ecx");
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}
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static inline u_char
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inb(u_short port)
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{
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@ -188,12 +262,6 @@ extern void DELAY(int);
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void setidt __P((int, void (*)(), int, int));
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extern u_long kvtop(void *);
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extern void outsb(int /*u_short*/, void *, size_t);
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extern void outsw(int /*u_short*/, void *, size_t);
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extern void outsl(int /*u_short*/, void *, size_t);
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extern void insb(int /*u_short*/, void *, size_t);
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extern void insw(int /*u_short*/, void *, size_t);
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extern void insl(int /*u_short*/, void *, size_t);
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extern void fillw(int /*u_short*/, void *, size_t);
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extern void filli(int, void *, size_t);
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@ -30,7 +30,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: support.s,v 1.17 1994/09/12 11:38:09 davidg Exp $
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* $Id: support.s,v 1.18 1994/09/16 13:33:27 davidg Exp $
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*/
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#include "assym.s" /* system definitions */
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@ -56,49 +56,9 @@ ENTRY(__divsi3)
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idivl 8(%esp)
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ret
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/*
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* I/O bus instructions via C
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*/
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ENTRY(insb) /* insb(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insb
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NOP
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movl %edi,%eax
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popl %edi
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ret
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ENTRY(insw) /* insw(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insw
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NOP
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movl %edi,%eax
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popl %edi
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ret
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ENTRY(insl) /* insl(port, addr, cnt) */
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pushl %edi
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movl 8(%esp),%edx
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movl 12(%esp),%edi
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movl 16(%esp),%ecx
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cld
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rep
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insl
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NOP
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movl %edi,%eax
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popl %edi
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ret
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/*
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* Support for reading real time clock registers
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*/
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ENTRY(rtcin) /* rtcin(val) */
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movl 4(%esp),%eax
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outb %al,$0x70
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@ -108,45 +68,6 @@ ENTRY(rtcin) /* rtcin(val) */
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NOP
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ret
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ENTRY(outsb) /* outsb(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsb
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NOP
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movl %esi,%eax
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popl %esi
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ret
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ENTRY(outsw) /* outsw(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsw
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NOP
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movl %esi,%eax
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popl %esi
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ret
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ENTRY(outsl) /* outsl(port, addr, cnt) */
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pushl %esi
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movl 8(%esp),%edx
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movl 12(%esp),%esi
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movl 16(%esp),%ecx
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cld
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rep
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outsl
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NOP
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movl %esi,%eax
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popl %esi
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ret
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/*
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* bcopy family
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*/
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@ -30,9 +30,41 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $Id: cpufunc.h,v 1.25 1994/09/25 19:33:22 phk Exp $
|
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*
|
||||
* Portions:
|
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* Copyright (c) 1993 Charles Hannum.
|
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* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Charles Hannum.
|
||||
* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
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*
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||||
* $Id: cpufunc.h,v 1.26 1994/09/25 20:03:41 davidg Exp $
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*/
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|
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/*
|
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* Functions to provide access to special i386 instructions.
|
||||
* XXX - bezillions more are defined in locore.s but are not declared anywhere.
|
||||
@ -48,6 +80,48 @@
|
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#ifdef __GNUC__
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static __inline void
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insb(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;insb" :
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: "d" (port), "D" (addr), "c" (cnt) : "%edi", "%ecx", "memory");
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}
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static __inline void
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insw(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;insw" :
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: "d" (port), "D" (addr), "c" (cnt) : "%edi", "%ecx", "memory");
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}
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static __inline void
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insl(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;insl" :
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: "d" (port), "D" (addr), "c" (cnt) : "%edi", "%ecx", "memory");
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}
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static __inline void
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outsb(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;outsb" :
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: "d" (port), "S" (addr), "c" (cnt) : "%esi", "%ecx");
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}
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static __inline void
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outsw(u_short port, void *addr, int cnt)
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{
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__asm __volatile("cld;repne;outsw" :
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||||
: "d" (port), "S" (addr), "c" (cnt) : "%esi", "%ecx");
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outsl(u_short port, void *addr, int cnt)
|
||||
{
|
||||
__asm __volatile("cld;repne;outsl" :
|
||||
: "d" (port), "S" (addr), "c" (cnt) : "%esi", "%ecx");
|
||||
}
|
||||
|
||||
static inline u_char
|
||||
inb(u_short port)
|
||||
{
|
||||
@ -188,12 +262,6 @@ extern void DELAY(int);
|
||||
|
||||
void setidt __P((int, void (*)(), int, int));
|
||||
extern u_long kvtop(void *);
|
||||
extern void outsb(int /*u_short*/, void *, size_t);
|
||||
extern void outsw(int /*u_short*/, void *, size_t);
|
||||
extern void outsl(int /*u_short*/, void *, size_t);
|
||||
extern void insb(int /*u_short*/, void *, size_t);
|
||||
extern void insw(int /*u_short*/, void *, size_t);
|
||||
extern void insl(int /*u_short*/, void *, size_t);
|
||||
extern void fillw(int /*u_short*/, void *, size_t);
|
||||
extern void filli(int, void *, size_t);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user