diff options
author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
---|---|---|
committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/hw/xfree86/os-support/hurd/bios_mmap.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/hurd/bios_mmap.c')
-rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/hurd/bios_mmap.c | 95 |
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; +} |