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Diffstat (limited to 'xorg-server/hw/xfree86/os-support/usl/usl_iop.c')
-rw-r--r--xorg-server/hw/xfree86/os-support/usl/usl_iop.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/xorg-server/hw/xfree86/os-support/usl/usl_iop.c b/xorg-server/hw/xfree86/os-support/usl/usl_iop.c
deleted file mode 100644
index c6382fc7e..000000000
--- a/xorg-server/hw/xfree86/os-support/usl/usl_iop.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright 2001,2005 by Kean Johnston <jkj@sco.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name Kean Johnston not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Kean Johnston makes no
- * representations about the suitability of this software for any purpose.
- * It is provided "as is" without express or implied warranty.
- *
- * KEAN JOHNSTON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEAN JOHNSTON BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
- * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
- * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-
-#include "X.h"
-
-#include "compiler.h"
-
-#define _NEED_SYSI86
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86OSpriv.h"
-#include "xf86_OSlib.h"
-
-
-/***************************************************************************/
-/* I/O Permissions section */
-/***************************************************************************/
-
-static Bool IOEnabled = FALSE;
-
-_X_EXPORT Bool
-xf86EnableIO(void)
-{
- if (IOEnabled)
- return TRUE;
-
- if (sysi86(SI86IOPL, 3) < 0)
- FatalError("Failed to set IOPL for extended I/O\n");
- IOEnabled = TRUE;
- return TRUE;
-}
-
-_X_EXPORT void
-xf86DisableIO(void)
-{
- if (!IOEnabled)
- return;
-
- sysi86(SI86IOPL, 0);
- IOEnabled = FALSE;
-}
-
-/***************************************************************************/
-/* Interrupt Handling section */
-/***************************************************************************/
-
-_X_EXPORT Bool
-xf86DisableInterrupts(void)
-{
- if (!IOEnabled) {
- if (sysi86(SI86IOPL, 3) < 0)
- return FALSE;
- }
-
-#ifdef __GNUC__
- __asm__ __volatile__("cli");
-#else
- asm("cli");
-#endif /* __GNUC__ */
-
- if (!IOEnabled) {
- sysi86(SI86IOPL, 0);
- }
-
- return(TRUE);
-}
-
-_X_EXPORT void
-xf86EnableInterrupts(void)
-{
- if (!IOEnabled) {
- if (sysi86(SI86IOPL, 3) < 0)
- return;
- }
-
-#ifdef __GNUC__
- __asm__ __volatile__("sti");
-#else
- asm("sti");
-#endif /* __GNUC__ */
-
- if (!IOEnabled) {
- sysi86(SI86IOPL, 0);
- }
-}
-