blob: 1caefd55b4bf1deaf1d736c581234b6906cd8226 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/*
* The PCI Library -- Access to i386 I/O ports on Solaris
*
* Copyright (c) 2003 Bill Moore <billm@eng.sun.com>
* Copyright (c) 2003--2006 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL v2+
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <sys/sysi86.h>
#include <sys/psw.h>
#include "i386-io-access.h"
static int
intel_setup_io(struct pci_access *a UNUSED)
{
return (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) < 0) ? 0 : 1;
}
static inline void
intel_cleanup_io(struct pci_access *a UNUSED)
{
sysi86(SI86V86, V86SC_IOPL, 0);
}
static inline void intel_io_lock(void)
{
}
static inline void intel_io_unlock(void)
{
}
|
