xref: /titanic_51/usr/src/uts/intel/asm/sunddi.h (revision 6b7143d774683daf27dfb2e93ab48d1ade1a3477)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
23bcbe9155Sjg  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #ifndef _ASM_SUNDDI_H
287c478bd9Sstevel@tonic-gate #define	_ASM_SUNDDI_H
297c478bd9Sstevel@tonic-gate 
30*6b7143d7SRichard Lowe #include <sys/ccompile.h>
317c478bd9Sstevel@tonic-gate #include <sys/types.h>
327c478bd9Sstevel@tonic-gate 
337c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
347c478bd9Sstevel@tonic-gate extern "C" {
357c478bd9Sstevel@tonic-gate #endif
367c478bd9Sstevel@tonic-gate 
377c478bd9Sstevel@tonic-gate #if !defined(__lint) && defined(__GNUC__)
387c478bd9Sstevel@tonic-gate 
397c478bd9Sstevel@tonic-gate #if defined(__i386) || defined(__amd64)
407c478bd9Sstevel@tonic-gate 
41*6b7143d7SRichard Lowe extern __GNU_INLINE uint8_t
42*6b7143d7SRichard Lowe inb(int port)
437c478bd9Sstevel@tonic-gate {
447c478bd9Sstevel@tonic-gate 	uint16_t port16 = (uint16_t)port;
457c478bd9Sstevel@tonic-gate 	uint8_t value;
467c478bd9Sstevel@tonic-gate 
477c478bd9Sstevel@tonic-gate 	__asm__ __volatile__(
487c478bd9Sstevel@tonic-gate 	    "inb (%1)"		/* value in %al */
497c478bd9Sstevel@tonic-gate 	    : "=a" (value)
507c478bd9Sstevel@tonic-gate 	    : "d" (port16));
517c478bd9Sstevel@tonic-gate 	return (value);
527c478bd9Sstevel@tonic-gate }
537c478bd9Sstevel@tonic-gate 
54*6b7143d7SRichard Lowe extern __GNU_INLINE uint16_t
55*6b7143d7SRichard Lowe inw(int port)
567c478bd9Sstevel@tonic-gate {
577c478bd9Sstevel@tonic-gate 	uint16_t port16 = (uint16_t)port;
587c478bd9Sstevel@tonic-gate 	uint16_t value;
597c478bd9Sstevel@tonic-gate 
607c478bd9Sstevel@tonic-gate 	__asm__ __volatile__(
617c478bd9Sstevel@tonic-gate 	    "inw (%1)"		/* value in %ax */
627c478bd9Sstevel@tonic-gate 	    : "=a" (value)
637c478bd9Sstevel@tonic-gate 	    : "d" (port16));
647c478bd9Sstevel@tonic-gate 	return (value);
657c478bd9Sstevel@tonic-gate }
667c478bd9Sstevel@tonic-gate 
67*6b7143d7SRichard Lowe extern __GNU_INLINE uint32_t
68*6b7143d7SRichard Lowe inl(int port)
697c478bd9Sstevel@tonic-gate {
707c478bd9Sstevel@tonic-gate 	uint16_t port16 = (uint16_t)port;
717c478bd9Sstevel@tonic-gate 	uint32_t value;
727c478bd9Sstevel@tonic-gate 
737c478bd9Sstevel@tonic-gate 	__asm__ __volatile__(
747c478bd9Sstevel@tonic-gate 	    "inl (%1)"		/* value in %eax */
757c478bd9Sstevel@tonic-gate 	    : "=a" (value)
767c478bd9Sstevel@tonic-gate 	    : "d" (port16));
777c478bd9Sstevel@tonic-gate 	return (value);
787c478bd9Sstevel@tonic-gate }
797c478bd9Sstevel@tonic-gate 
80*6b7143d7SRichard Lowe extern __GNU_INLINE void
81*6b7143d7SRichard Lowe outb(int port, uint8_t value)
827c478bd9Sstevel@tonic-gate {
837c478bd9Sstevel@tonic-gate 	uint16_t port16 = (uint16_t)port;
847c478bd9Sstevel@tonic-gate 
857c478bd9Sstevel@tonic-gate 	__asm__ __volatile__(
867c478bd9Sstevel@tonic-gate 	    "outb (%1)"
877c478bd9Sstevel@tonic-gate 	    : /* no output */
887c478bd9Sstevel@tonic-gate 	    : "a" (value), "d" (port16));
897c478bd9Sstevel@tonic-gate }
907c478bd9Sstevel@tonic-gate 
91*6b7143d7SRichard Lowe extern __GNU_INLINE void
92*6b7143d7SRichard Lowe outw(int port, uint16_t value)
937c478bd9Sstevel@tonic-gate {
947c478bd9Sstevel@tonic-gate 	uint16_t port16 = (uint16_t)port;
957c478bd9Sstevel@tonic-gate 
967c478bd9Sstevel@tonic-gate 	__asm__ __volatile__(
977c478bd9Sstevel@tonic-gate 	    "outw (%1)"
987c478bd9Sstevel@tonic-gate 	    : /* no output */
997c478bd9Sstevel@tonic-gate 	    : "a" (value), "d" (port16));
1007c478bd9Sstevel@tonic-gate }
1017c478bd9Sstevel@tonic-gate 
102*6b7143d7SRichard Lowe extern __GNU_INLINE void
103*6b7143d7SRichard Lowe outl(int port, uint32_t value)
1047c478bd9Sstevel@tonic-gate {
1057c478bd9Sstevel@tonic-gate 	uint16_t port16 = (uint16_t)port;
1067c478bd9Sstevel@tonic-gate 
1077c478bd9Sstevel@tonic-gate 	__asm__ __volatile__(
1087c478bd9Sstevel@tonic-gate 	    "outl (%1)"
1097c478bd9Sstevel@tonic-gate 	    : /* no output */
1107c478bd9Sstevel@tonic-gate 	    : "a" (value), "d" (port16));
1117c478bd9Sstevel@tonic-gate }
1127c478bd9Sstevel@tonic-gate 
113bcbe9155Sjg #if defined(_BOOT)
114bcbe9155Sjg 
115*6b7143d7SRichard Lowe extern __GNU_INLINE void
116*6b7143d7SRichard Lowe sync_instruction_memory(caddr_t v, size_t len)
117bcbe9155Sjg {
118bcbe9155Sjg 	__asm__ __volatile__("nop");
119bcbe9155Sjg }
120bcbe9155Sjg 
121bcbe9155Sjg #endif /* _BOOT */
122bcbe9155Sjg 
1237c478bd9Sstevel@tonic-gate #endif /* __i386 || __amd64 */
1247c478bd9Sstevel@tonic-gate 
1257c478bd9Sstevel@tonic-gate #endif /* !__lint && __GNUC__ */
1267c478bd9Sstevel@tonic-gate 
1277c478bd9Sstevel@tonic-gate #ifdef __cplusplus
1287c478bd9Sstevel@tonic-gate }
1297c478bd9Sstevel@tonic-gate #endif
1307c478bd9Sstevel@tonic-gate 
1317c478bd9Sstevel@tonic-gate #endif	/* _ASM_SUNDDI_H */
132