1 files changed, 137 insertions, 141 deletions
diff --git a/xorg-server/hw/xfree86/os-support/shared/bios_mmap.c b/xorg-server/hw/xfree86/os-support/shared/bios_mmap.c
index a5887f578..b7b35d9db 100644
--- a/xorg-server/hw/xfree86/os-support/shared/bios_mmap.c
+++ b/xorg-server/hw/xfree86/os-support/shared/bios_mmap.c
@@ -1,141 +1,137 @@
-/*
- * Copyright 1993 by David Wexelblat <dwex@goblin.org>
- *
- * 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 of David Wexelblat not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  David Wexelblat makes no representations
- * about the suitability of this software for any purpose.  It is provided
- * "as is" without express or implied warranty.
- *
- * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL DAVID WEXELBLAT 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.
- *
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86_OSlib.h"
-
-#ifndef MAP_FAILED
-#define MAP_FAILED ((void *)-1)
-#endif
-
-/*
- * Read BIOS via mmap()ing DEV_MEM
- */
-
-#ifndef __alpha__
-int
-xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
-	     int Len)
-{
-	int fd;
-	unsigned char *ptr;
-	int psize;
-	int mlen;
-
-	if ((fd = open(DEV_MEM, O_RDONLY)) < 0)
-	{
-		xf86Msg(X_WARNING, "xf86ReadBIOS: Failed to open %s (%s)\n",
-			DEV_MEM, strerror(errno));
-		return -1;
-	}
-	psize = getpagesize();
-	Offset += Base & (psize - 1);
-	Base &= ~(psize - 1);
-	mlen = (Offset + Len + psize - 1) & ~(psize - 1);
-	ptr = (unsigned char *)mmap((caddr_t)0, mlen, PROT_READ,
-					MAP_SHARED, fd, (off_t)Base);
-	if (ptr == MAP_FAILED)
-	{
-		xf86Msg(X_WARNING, "xf86ReadBIOS: %s mmap failed (%s)\n",
-			DEV_MEM, strerror(errno));
-		close(fd);
-		return -1;
-	}
-	DebugF("xf86ReadBIOS: BIOS at 0x%08x has signature 0x%04x\n",
-		Base, ptr[0] | (ptr[1] << 8));
-	(void)memcpy(Buf, (void *)(ptr + Offset), Len);
-	(void)munmap((caddr_t)ptr, mlen);
-	(void)close(fd);
-	return Len;
-}
-
-#else /* __alpha__ */
-
-  /*
-   *  We trick "mmap" into mapping BUS memory for us via BUS_BASE,
-   *  which is the KSEG address of the start of the DENSE memory
-   *  area.
-   */
-
-  /*
-   * NOTE: there prolly ought to be more validity checks and all
-   *  re: boundaries and sizes and such...
-   */
-
-#ifdef linux
-
-extern unsigned long _bus_base(void);
-#define BUS_BASE _bus_base()
-
-#else
-
-extern u_int64_t dense_base(void);
-#define BUS_BASE dense_base()
-
-#endif
-
-int
-xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
-	     int Len)
-{
-	caddr_t base;
- 	int fd;
-	int psize;
-	int mlen;
-
-	if ((fd = open(DEV_MEM, O_RDONLY)) < 0)
-	{
-		xf86Msg(X_WARNING, "xf86ReadBIOS: Failed to open %s (%s)\n",
-			DEV_MEM, strerror(errno));
-		return -1;
-	}
-
-	psize = getpagesize();
-	Offset += Base & (psize - 1);
-	Base &= ~(psize - 1);
-	mlen = (Offset + Len + psize - 1) & ~(psize - 1);
-	base = mmap((caddr_t)0, mlen, PROT_READ,
-		    MAP_SHARED, fd, (off_t)(Base + BUS_BASE));
-
-	if (base == MAP_FAILED)
-	{
-		xf86Msg(X_WARNING, "xf86ReadBIOS: Failed to mmap %s (%s)\n",
-			DEV_MEM, strerror(errno));
-		return -1;
-	}
-
-	xf86SlowBCopyFromBus((unsigned char *)(base+Offset), Buf, Len);
-
-	munmap((caddr_t)base, mlen);
-	close(fd);
-	return Len;
-}
-
-#endif /* __alpha__ */
+/*
+ * Copyright 1993 by David Wexelblat <dwex@goblin.org>
+ *
+ * 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 of David Wexelblat not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  David Wexelblat makes no representations
+ * about the suitability of this software for any purpose.  It is provided
+ * "as is" without express or implied warranty.
+ *
+ * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL DAVID WEXELBLAT 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.
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+/*
+ * Read BIOS via mmap()ing DEV_MEM
+ */
+
+#ifndef __alpha__
+int
+xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
+	     int Len)
+{
+	int fd;
+	unsigned char *ptr;
+	int psize;
+	int mlen;
+
+	if ((fd = open(DEV_MEM, O_RDONLY)) < 0)
+	{
+		xf86Msg(X_WARNING, "xf86ReadBIOS: Failed to open %s (%s)\n",
+			DEV_MEM, strerror(errno));
+		return -1;
+	}
+	psize = getpagesize();
+	Offset += Base & (psize - 1);
+	Base &= ~(psize - 1);
+	mlen = (Offset + Len + psize - 1) & ~(psize - 1);
+	ptr = (unsigned char *)mmap((caddr_t)0, mlen, PROT_READ,
+					MAP_SHARED, fd, (off_t)Base);
+	if (ptr == MAP_FAILED)
+	{
+		xf86Msg(X_WARNING, "xf86ReadBIOS: %s mmap failed (%s)\n",
+			DEV_MEM, strerror(errno));
+		close(fd);
+		return -1;
+	}
+	DebugF("xf86ReadBIOS: BIOS at 0x%08x has signature 0x%04x\n",
+		Base, ptr[0] | (ptr[1] << 8));
+	(void)memcpy(Buf, (void *)(ptr + Offset), Len);
+	(void)munmap((caddr_t)ptr, mlen);
+	(void)close(fd);
+	return Len;
+}
+
+#else /* __alpha__ */
+
+  /*
+   *  We trick "mmap" into mapping BUS memory for us via BUS_BASE,
+   *  which is the KSEG address of the start of the DENSE memory
+   *  area.
+   */
+
+  /*
+   * NOTE: there prolly ought to be more validity checks and all
+   *  re: boundaries and sizes and such...
+   */
+
+#ifdef linux
+
+extern unsigned long _bus_base(void);
+#define BUS_BASE _bus_base()
+
+#else
+
+extern u_int64_t dense_base(void);
+#define BUS_BASE dense_base()
+
+#endif
+
+int
+xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
+	     int Len)
+{
+	caddr_t base;
+ 	int fd;
+	int psize;
+	int mlen;
+
+	if ((fd = open(DEV_MEM, O_RDONLY)) < 0)
+	{
+		xf86Msg(X_WARNING, "xf86ReadBIOS: Failed to open %s (%s)\n",
+			DEV_MEM, strerror(errno));
+		return -1;
+	}
+
+	psize = getpagesize();
+	Offset += Base & (psize - 1);
+	Base &= ~(psize - 1);
+	mlen = (Offset + Len + psize - 1) & ~(psize - 1);
+	base = mmap((caddr_t)0, mlen, PROT_READ,
+		    MAP_SHARED, fd, (off_t)(Base + BUS_BASE));
+
+	if (base == MAP_FAILED)
+	{
+		xf86Msg(X_WARNING, "xf86ReadBIOS: Failed to mmap %s (%s)\n",
+			DEV_MEM, strerror(errno));
+		return -1;
+	}
+
+	xf86SlowBCopyFromBus((unsigned char *)(base+Offset), Buf, Len);
+
+	munmap((caddr_t)base, mlen);
+	close(fd);
+	return Len;
+}
+
+#endif /* __alpha__ */