1 files changed, 95 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/hurd/bios_mmap.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/hurd/bios_mmap.c
new file mode 100644
index 000000000..132e755e2
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/hurd/bios_mmap.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 1997 by UCHIYAMA Yasushi
+ *
+ * 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 UCHIYAMA Yasushi not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  UCHIYAMA Yasushi makes no representations
+ * about the suitability of this software for any purpose.  It is provided
+ * "as is" without express or implied warranty.
+ *
+ * UCHIYAMA YASUSHI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL UCHIYAMA YASUSHI 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.
+ *
+ */
+/* $XFree86$ */
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include<mach.h>
+#include<device/device.h>
+
+#include <X11/X.h>
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+#define BIOS_SIZE 0x20000
+
+int 
+xf86ReadBIOS(unsigned long Base,unsigned long Offset,unsigned char *Buf,int Len)
+{
+    mach_port_t device,iopl_dev;
+    memory_object_t iopl_mem;
+    vm_address_t addr = (vm_address_t)0; /* serach starting address */
+    kern_return_t err;
+
+
+    err = get_privileged_ports (NULL, &device);
+    if( err )
+    {
+	errno = err;
+	FatalError("xf86ReadBIOS() can't get_privileged_ports. (%s)\n",strerror(errno));
+    }
+    err = device_open(device,D_READ|D_WRITE,"iopl",&iopl_dev);
+    mach_port_deallocate (mach_task_self (), device);
+    if( err )
+    {
+	errno = err;
+	FatalError("xf86ReadBIOS() can't device_open. (%s)\n",strerror(errno));
+    }
+    err = device_map(iopl_dev,VM_PROT_READ|VM_PROT_WRITE, Base , BIOS_SIZE ,&iopl_mem,0);
+    if( err )
+    {
+	errno = err;
+	FatalError("xf86ReadBIOS() can't device_map. (%s)\n",strerror(errno));
+    }
+    err = vm_map(mach_task_self(),
+		 &addr,
+		 BIOS_SIZE,
+		 0,
+		 TRUE,
+		 iopl_mem,
+		 Base,
+		 FALSE,
+		 VM_PROT_READ|VM_PROT_WRITE,
+		 VM_PROT_READ|VM_PROT_WRITE,
+		 VM_INHERIT_SHARE);
+    mach_port_deallocate(mach_task_self(),iopl_mem);
+    if( err )
+    {
+	errno = err;
+	FatalError("xf86ReadBIOS() can't vm_map. (%s)\n",strerror(errno));
+    }
+
+    memcpy(Buf,(void*)((int)addr + Offset), Len);
+    
+    err = vm_deallocate(mach_task_self(), addr, BIOS_SIZE);
+    if( err )
+    {
+	errno = err;
+	FatalError("xf86ReadBIOS() can't vm_deallocate. (%s)\n",strerror(errno));
+    }
+    
+    return Len;
+}