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mem.c (790) mem.c (798)
1/*-
2 * Copyright (c) 1988 University of Utah.
3 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * the Systems Programming Group of the University of Utah Computer
8 * Science Department, and code derived from software contributed to

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33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * from: Utah $Hdr: mem.c 1.13 89/10/08$
40 * from: @(#)mem.c 7.2 (Berkeley) 5/9/91
1/*-
2 * Copyright (c) 1988 University of Utah.
3 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * the Systems Programming Group of the University of Utah Computer
8 * Science Department, and code derived from software contributed to

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33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * from: Utah $Hdr: mem.c 1.13 89/10/08$
40 * from: @(#)mem.c 7.2 (Berkeley) 5/9/91
41 * $Id: mem.c,v 1.3 1993/10/16 14:15:06 rgrimes Exp $
41 * $Id: mem.c,v 1.4 1993/11/22 09:46:45 davidg Exp $
42 */
43
44/*
45 * Memory special file
46 */
47
48#include "param.h"
49#include "conf.h"

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59#include "vm/vm_param.h"
60#include "vm/lock.h"
61#include "vm/vm_statistics.h"
62#include "vm/pmap.h"
63#include "vm/vm_prot.h"
64
65extern char *vmmap; /* poor name! */
66/*ARGSUSED*/
42 */
43
44/*
45 * Memory special file
46 */
47
48#include "param.h"
49#include "conf.h"

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59#include "vm/vm_param.h"
60#include "vm/lock.h"
61#include "vm/vm_statistics.h"
62#include "vm/pmap.h"
63#include "vm/vm_prot.h"
64
65extern char *vmmap; /* poor name! */
66/*ARGSUSED*/
67int
67mmclose(dev, uio, flags)
68 dev_t dev;
69 struct uio *uio;
70 int flags;
71{
72 struct syscframe *fp;
73
74 switch (minor(dev)) {
75 case 14:
76 fp = (struct syscframe *)curproc->p_regs;
77 fp->sf_eflags &= ~PSL_IOPL;
78 break;
79 default:
80 break;
81 }
82 return(0);
83}
84/*ARGSUSED*/
68mmclose(dev, uio, flags)
69 dev_t dev;
70 struct uio *uio;
71 int flags;
72{
73 struct syscframe *fp;
74
75 switch (minor(dev)) {
76 case 14:
77 fp = (struct syscframe *)curproc->p_regs;
78 fp->sf_eflags &= ~PSL_IOPL;
79 break;
80 default:
81 break;
82 }
83 return(0);
84}
85/*ARGSUSED*/
86int
85mmopen(dev, uio, flags)
86 dev_t dev;
87 struct uio *uio;
88 int flags;
89{
90 struct syscframe *fp;
91
92 switch (minor(dev)) {
93 case 14:
94 fp = (struct syscframe *)curproc->p_regs;
95 fp->sf_eflags |= PSL_IOPL;
96 break;
97 default:
98 break;
99 }
100 return(0);
101}
102/*ARGSUSED*/
87mmopen(dev, uio, flags)
88 dev_t dev;
89 struct uio *uio;
90 int flags;
91{
92 struct syscframe *fp;
93
94 switch (minor(dev)) {
95 case 14:
96 fp = (struct syscframe *)curproc->p_regs;
97 fp->sf_eflags |= PSL_IOPL;
98 break;
99 default:
100 break;
101 }
102 return(0);
103}
104/*ARGSUSED*/
105int
103mmrw(dev, uio, flags)
104 dev_t dev;
105 struct uio *uio;
106 int flags;
107{
108 register int o;
109 register u_int c, v;
110 register struct iovec *iov;

--- 146 unchanged lines hidden --- 		106mmrw(dev, uio, flags)
107 dev_t dev;
108 struct uio *uio;
109 int flags;
110{
111 register int o;
112 register u_int c, v;
113 register struct iovec *iov;

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