* 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.
+ * 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(void)
+intel_setup_io(struct pci_access *a UNUSED)
{
return (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) < 0) ? 0 : 1;
}
-static inline int
-intel_cleanup_io(void)
-{
- /* FIXME: How to switch off I/O port access? */
- return 1;
-}
-
-static inline u8
-inb (u16 port)
-{
- u8 v;
- __asm__ __volatile__ ("inb (%w1)":"=a" (v):"Nd" (port));
- return v;
-}
-
-static inline u16
-inw (u16 port)
-{
- u16 v;
- __asm__ __volatile__ ("inw (%w1)":"=a" (v):"Nd" (port));
- return v;
-}
-
-static inline u32
-inl (u16 port)
-{
- u32 v;
- __asm__ __volatile__ ("inl (%w1)":"=a" (v):"Nd" (port));
- return v;
-}
-
static inline void
-outb (u8 value, u16 port)
+intel_cleanup_io(struct pci_access *a UNUSED)
{
- __asm__ __volatile__ ("outb (%w1)": :"a" (value), "Nd" (port));
+ /* FIXME: How to switch off I/O port access? */
}
-static inline void
-outw (u16 value, u16 port)
+static inline void intel_io_lock(void)
{
- __asm__ __volatile__ ("outw (%w1)": :"a" (value), "Nd" (port));
}
-static inline void
-outl (u32 value, u16 port)
+static inline void intel_io_unlock(void)
{
- __asm__ __volatile__ ("outl (%w1)": :"a" (value), "Nd" (port));
}