diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_bios.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_bios.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_bios.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_bios.c new file mode 100644 index 000000000..8319de04e --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_bios.c @@ -0,0 +1,104 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/sunos/sun_bios.c,v 1.2tsi Exp $ */ +/* + * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany + * Copyright 1993 by David Wexelblat <dwex@goblin.org> + * Copyright 1999 by David Holland <davidh@iquest.net> + * + * 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 names of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT + * SHALL THE COPYRIGHT HOLDERS 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 + +#ifdef i386 +#define _NEED_SYSI86 +#endif +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" + +#ifndef MAP_FAILED +#define MAP_FAILED ((void *)-1) +#endif + +extern char *apertureDevName; + +/* + * Read BIOS via mmap()ing physical memory. + */ +int +xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf, + int Len) +{ + int fd; + unsigned char *ptr; + char solx86_vtname[20]; + int psize; + int mlen; + + /* + * Solaris 2.1 x86 SVR4 (10/27/93) + * The server must treat the virtual terminal device file + * as the standard SVR4 /dev/pmem. By default, then used VT + * is considered the "default" file to open. + * + * Solaris 2.8 x86 (7/26/99) - DWH + * + * Use /dev/xsvc for everything. + */ + psize = xf86getpagesize(); + Offset += Base & (psize - 1); + Base &= ~(psize - 1); + mlen = (Offset + Len + psize - 1) & ~(psize - 1); +#if defined(i386) && !defined(__SOL8__) + if (Base >= 0xA0000 && Base + mlen < 0xFFFFF && xf86Info.vtno >= 0) + sprintf(solx86_vtname, "/dev/vt%02d", xf86Info.vtno); + else +#endif + { + if (!xf86LinearVidMem()) + FatalError("xf86ReadBIOS: Could not mmap BIOS" + " [a=%lx]\n", Base); + sprintf(solx86_vtname, apertureDevName); + } + + if ((fd = open(solx86_vtname, O_RDONLY)) < 0) + { + xf86Msg(X_WARNING, "xf86ReadBIOS: Failed to open %s (%s)\n", + solx86_vtname, strerror(errno)); + return(-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 " + "[0x%08lx, 0x%04x]\n", + solx86_vtname, Base, mlen); + close(fd); + return -1; + } + + (void)memcpy(Buf, (void *)(ptr + Offset), Len); + (void)munmap((caddr_t)ptr, mlen); + (void)close(fd); + + return Len; +} |