diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/hurd/hurd_mmap.c')
-rw-r--r-- | xorg-server/hw/xfree86/os-support/hurd/hurd_mmap.c | 188 |
1 files changed, 93 insertions, 95 deletions
diff --git a/xorg-server/hw/xfree86/os-support/hurd/hurd_mmap.c b/xorg-server/hw/xfree86/os-support/hurd/hurd_mmap.c index 9d9b84a28..6ac9efdfe 100644 --- a/xorg-server/hw/xfree86/os-support/hurd/hurd_mmap.c +++ b/xorg-server/hw/xfree86/os-support/hurd/hurd_mmap.c @@ -1,95 +1,93 @@ -/*
- * 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.
- *
- */
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include<mach.h>
-#include<device/device.h>
-#include<mach/machine/mach_i386.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,mem_dev;
- memory_object_t mem_obj;
- 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,"mem",&mem_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(mem_dev,VM_PROT_READ|VM_PROT_WRITE, Base , BIOS_SIZE ,&mem_obj,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,
- mem_obj,
- Base,
- FALSE,
- VM_PROT_READ|VM_PROT_WRITE,
- VM_PROT_READ|VM_PROT_WRITE,
- VM_INHERIT_SHARE);
- mach_port_deallocate(mach_task_self(),mem_obj);
- 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;
-}
+/* + * 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. + * + */ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include<mach.h> +#include<device/device.h> +#include<mach/machine/mach_i386.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, mem_dev; + memory_object_t mem_obj; + 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, "mem", &mem_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(mem_dev, VM_PROT_READ | VM_PROT_WRITE, Base, BIOS_SIZE, + &mem_obj, 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, + mem_obj, + Base, + FALSE, + VM_PROT_READ | VM_PROT_WRITE, + VM_PROT_READ | VM_PROT_WRITE, VM_INHERIT_SHARE); + mach_port_deallocate(mach_task_self(), mem_obj); + 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; +} |