171 lines
4.6 KiB
C
171 lines
4.6 KiB
C
/*
|
|
* Copyright 1997, 1998 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 "input.h"
|
|
#include "scrnintstr.h"
|
|
|
|
#include "xf86.h"
|
|
#include "xf86Priv.h"
|
|
#include "xf86_OSlib.h"
|
|
#include "xf86OSpriv.h"
|
|
|
|
/**************************************************************************
|
|
* Video Memory Mapping section
|
|
***************************************************************************/
|
|
pointer
|
|
xf86MapVidMem(int ScreenNum,int Flags, unsigned long Base, unsigned long Size)
|
|
{
|
|
mach_port_t device,iopl_dev;
|
|
memory_object_t iopl_mem;
|
|
kern_return_t err;
|
|
vm_address_t addr=(vm_address_t)0;
|
|
|
|
err = get_privileged_ports (NULL, &device);
|
|
if( err )
|
|
{
|
|
errno = err;
|
|
FatalError("xf86MapVidMem() 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("xf86MapVidMem() can't device_open. (%s)\n",strerror(errno));
|
|
}
|
|
|
|
err = device_map(iopl_dev,VM_PROT_READ|VM_PROT_WRITE, Base , Size ,&iopl_mem,0);
|
|
if( err )
|
|
{
|
|
errno = err;
|
|
FatalError("xf86MapVidMem() can't device_map. (%s)\n",strerror(errno));
|
|
}
|
|
err = vm_map(mach_task_self(),
|
|
&addr,
|
|
Size,
|
|
0, /* mask */
|
|
TRUE, /* anywhere */
|
|
iopl_mem,
|
|
(vm_offset_t)Base,
|
|
FALSE, /* copy on write */
|
|
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("xf86MapVidMem() can't vm_map.(iopl_mem) (%s)\n",strerror(errno));
|
|
}
|
|
mach_port_deallocate(mach_task_self(),iopl_dev);
|
|
if( err )
|
|
{
|
|
errno = err;
|
|
FatalError("xf86MapVidMem() can't mach_port_deallocate.(iopl_dev) (%s)\n",strerror(errno));
|
|
}
|
|
return (pointer)addr;
|
|
}
|
|
|
|
void
|
|
xf86UnMapVidMem(int ScreenNum,pointer Base,unsigned long Size)
|
|
{
|
|
kern_return_t err = vm_deallocate(mach_task_self(), (int)Base, Size);
|
|
if( err )
|
|
{
|
|
errno = err;
|
|
ErrorF("xf86UnMapVidMem: can't dealloc framebuffer space (%s)\n",strerror(errno));
|
|
}
|
|
return;
|
|
}
|
|
|
|
Bool
|
|
xf86LinearVidMem()
|
|
{
|
|
return(TRUE);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* I/O Permissions section
|
|
***************************************************************************/
|
|
|
|
/*
|
|
* Due to conflicts with "compiler.h", don't rely on <sys/io.h> to declare
|
|
* this.
|
|
*/
|
|
extern int ioperm(unsigned long __from, unsigned long __num, int __turn_on);
|
|
|
|
Bool
|
|
xf86EnableIO()
|
|
{
|
|
if (ioperm(0, 0x10000, 1)) {
|
|
FatalError("xf86EnableIO: ioperm() failed (%s)\n", strerror(errno));
|
|
return FALSE;
|
|
}
|
|
ioperm(0x40,4,0); /* trap access to the timer chip */
|
|
ioperm(0x60,4,0); /* trap access to the keyboard controller */
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
xf86DisableIO()
|
|
{
|
|
ioperm(0,0x10000,0);
|
|
return;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Interrupt Handling section
|
|
**************************************************************************/
|
|
Bool
|
|
xf86DisableInterrupts()
|
|
{
|
|
return TRUE;
|
|
}
|
|
void
|
|
xf86EnableInterrupts()
|
|
{
|
|
return;
|
|
}
|
|
|
|
void
|
|
xf86MapReadSideEffects(int ScreenNum, int Flags, pointer Base,
|
|
unsigned long Size)
|
|
{
|
|
}
|
|
|
|
Bool
|
|
xf86CheckMTRR(int s)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|