diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/lynxos')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/Makefile.am | 8 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/Makefile.in | 540 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/lynx_init.c | 192 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/lynx_mmap.c | 72 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/lynx_mouse.c | 33 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/lynx_noinline.c | 177 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.S | 70 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.c | 51 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/lynxos/lynx_video.c | 710 |
9 files changed, 0 insertions, 1853 deletions
diff --git a/xorg-server/hw/xfree86/os-support/lynxos/Makefile.am b/xorg-server/hw/xfree86/os-support/lynxos/Makefile.am deleted file mode 100644 index 4085c49a9..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/Makefile.am +++ /dev/null @@ -1,8 +0,0 @@ -EXTRA_DIST = \ - lynx_init.c \ - lynx_mmap.c \ - lynx_mouse.c \ - lynx_noinline.c \ - lynx_ppc.c \ - lynx_video.c \ - lynx_ppc.S diff --git a/xorg-server/hw/xfree86/os-support/lynxos/Makefile.in b/xorg-server/hw/xfree86/os-support/lynxos/Makefile.in deleted file mode 100644 index b4641474d..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/Makefile.in +++ /dev/null @@ -1,540 +0,0 @@ -# Makefile.in generated by automake 1.10.1 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or 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b/xorg-server/hw/xfree86/os-support/lynxos/lynx_init.c deleted file mode 100644 index 03f72ca19..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/lynx_init.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * Copyright 1993 by Thomas Mueller - * - * 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 Thomas Mueller not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Thomas Mueller makes no representations - * about the suitability of this software for any purpose. It is provided - * "as is" without express or implied warranty. - * - * THOMAS MUELLER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THOMAS MUELLER 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 <X11/X.h> -#include <X11/Xmd.h> - -#include "compiler.h" - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - -static int VTnum = -1; - -void -xf86OpenConsole() -{ - struct vt_mode VT; - char vtname1[11]; - int fd, pgrp; - MessageType from = X_PROBED; - - if (serverGeneration == 1) - { - /* check if we're run with euid==0 */ - if (geteuid() != 0) - { - FatalError("xf86OpenConsole: Server must be suid root\n"); - } - - /* - * setup the virtual terminal manager - * NOTE: - * We use the out-of-the-box atc terminal driver, - * not the GE contributed vdt driver. - * Also, we do setup signals for VT switching which - * is not really necessary because we don't feed the - * VT switch keystrokes to the kernel in xf86Events.c - * (it bombs occasionally...) - */ - if (VTnum != -1) - { - xf86Info.vtno = VTnum; - from = X_CMDLINE; - } - else - { - /* We could use /dev/con which is usually a symlink - * to /dev/atc0 but one could configure the system - * to use a serial line as console device, so to - * be sure we take /dev/atc0. - */ - if ((fd = open("/dev/atc0",O_WRONLY,0)) < 0) - { - FatalError( - "xf86OpenConsole: Cannot open /dev/atc0 (%s)\n", - strerror(errno)); - } - if ((ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) || - (xf86Info.vtno == -1)) - { - FatalError("xf86OpenConsole: Cannot find a free VT\n"); - } - close(fd); - } - xf86Msg(from, "using VT number %d\n", xf86Info.vtno); - - sprintf(vtname1,"/dev/atc%d",xf86Info.vtno); - - pgrp = getpgrp(); /* POSIX version ! */ - ioctl(xf86Info.consoleFd, TIOCSPGRP, &pgrp); - - if ((xf86Info.consoleFd = open(vtname1,O_RDWR|O_NDELAY,0)) < 0) - { - FatalError( - "xf86OpenConsole: Cannot open %s (%s)\n", - vtname1, strerror(errno)); - } - /* change ownership of the vt */ - chown(vtname1, getuid(), getgid()); - - /* - * now get the VT - */ - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) - { - xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed\n"); - } - if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0) - { - FatalError("xf86OpenConsole: VT_GETMODE failed\n"); - } - - /* for future use... */ - signal(SIGUSR1, xf86VTRequest); - - VT.mode = VT_PROCESS; - VT.relsig = SIGUSR1; - VT.acqsig = SIGUSR1; - if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0) - { - FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed\n"); - } - } - else - { - /* serverGeneration != 1 */ - /* - * now get the VT - */ - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) - { - xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed\n"); - } - /* - * If the server doesn't have the VT when the reset occurs, - * this is to make sure we don't continue until the activate - * signal is received. - */ - if (!xf86Screens[0]->vtSema) - sleep(5); - } - return; -} - -void -xf86CloseConsole() -{ - struct vt_mode VT; - -#if 0 - ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno); - ioctl(xf86Info.consoleFd, VT_WAITACTIVE, 0); -#endif - if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) != -1) - { - VT.mode = VT_AUTO; - ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); /* set dflt vt handling */ - } - close(xf86Info.consoleFd); /* make the vt-manager happy */ - return; -} - -int -xf86ProcessArgument(int argc, char *argv[], int i) -{ - if ((argv[i][0] == 'v') && (argv[i][1] == 't')) - { - if (sscanf(argv[i], "vt%2d", &VTnum) == 0) - { - UseMsg(); - VTnum = -1; - return(0); - } - return(1); - } - return(0); -} - -void -xf86UseMsg() -{ - ErrorF("vtXX use the specified VT number\n"); - return; -} - diff --git a/xorg-server/hw/xfree86/os-support/lynxos/lynx_mmap.c b/xorg-server/hw/xfree86/os-support/lynxos/lynx_mmap.c deleted file mode 100644 index 3364399aa..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/lynx_mmap.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright 1993 by Thomas Mueller - * - * 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 Thomas Mueller not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Thomas Mueller makes no representations - * about the suitability of this software for any purpose. It is provided - * "as is" without express or implied warranty. - * - * THOMAS MUELLER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THOMAS MUELLER 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 <X11/X.h> - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - -/* - * Read BIOS using smem_create facility - */ - -_X_EXPORT int -xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf, - int Len) -{ -#if defined(__powerpc__) - xf86Msg(X_WARNING, "xf86ReadBios: no BIOS-probe on PowerPC\n"); - return(-1); -#else - char *p; - int mlen; - - mlen = (Offset + Len + 4095) & ~4095; - p = smem_create("BIOS-probe", (char *)Base, mlen, SM_READ); - if (p == NULL) - { - /* check if there is a stale segment around */ - if (smem_remove("BIOS-probe") == 0) { - xf86Msg(X_INFO, - "xf86ReadBios: removed stale smem_ segment\n"); - p = smem_create("BIOS-probe", (char *)Base, mlen, SM_READ); - } - if (p == NULL) { - xf86Msg(X_WARNING, "xf86ReadBios: Failed to smem_create " - "Base %x len %x %s \n", - Base, mlen, strerror(errno)); - return(-1); - } - } - memcpy(Buf, p + Offset, Len); - smem_create(NULL, p, 0, SM_DETACH); - smem_remove("BIOS-probe"); - return(Len); -#endif -} diff --git a/xorg-server/hw/xfree86/os-support/lynxos/lynx_mouse.c b/xorg-server/hw/xfree86/os-support/lynxos/lynx_mouse.c deleted file mode 100644 index b48202977..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/lynx_mouse.c +++ /dev/null @@ -1,33 +0,0 @@ - -/* - * Copyright 1999 by The XFree86 Project, Inc. - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <X11/X.h> -#include "xf86.h" -#include "xf86Xinput.h" -#include "xf86OSmouse.h" - -static int -SupportedInterfaces(void) -{ - /* XXX Need to check this. */ - return MSE_SERIAL | MSE_BUS | MSE_PS2 | MSE_AUTO; -} - -_X_EXPORT OSMouseInfoPtr -xf86OSMouseInit(int flags) -{ - OSMouseInfoPtr p; - - p = xcalloc(sizeof(OSMouseInfoRec), 1); - if (!p) - return NULL; - p->SupportedInterfaces = SupportedInterfaces; - return p; -} - diff --git a/xorg-server/hw/xfree86/os-support/lynxos/lynx_noinline.c b/xorg-server/hw/xfree86/os-support/lynxos/lynx_noinline.c deleted file mode 100644 index d4db82cca..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/lynx_noinline.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright 1998 by Metro Link Incorporated - * - * 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 Metro Link - * Incorporated not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Metro Link Incorporated makes no representations - * about the suitability of this software for any purpose. It is - * provided "as is" without express or implied warranty. - * - * METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED 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 - -#if /* NO_INLINE && */ defined(__powerpc__) - -#include "xf86Pci.h" - -extern volatile unsigned char *ioBase; - -_X_EXPORT void -eieio() -{ - __asm__ __volatile__ ("eieio"); -} - -_X_EXPORT unsigned long -ldl_brx(volatile unsigned char *base, int ndx) -{ - register unsigned long tmp = *(volatile unsigned long *)(base+ndx); - return( ((tmp & 0x000000ff) << 24) | - ((tmp & 0x0000ff00) << 8) | - ((tmp & 0x00ff0000) >> 8) | - ((tmp & 0xff000000) >> 24) ); -} - -_X_EXPORT unsigned short -ldw_brx(volatile unsigned char *base, int ndx) -{ - register unsigned short tmp = *(volatile unsigned short *)(base+ndx); - return((tmp << 8) | (tmp >> 8)); -} - -_X_EXPORT void -stl_brx(unsigned long val, volatile unsigned char *base, int ndx) -{ - unsigned char *p = (unsigned char *)&val; - unsigned long tmp = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | (p[0] << 0); - *(volatile unsigned long *)(base+ndx) = tmp; -} - -_X_EXPORT void -stw_brx(unsigned short val, volatile unsigned char *base, int ndx) -{ - unsigned char *p = (unsigned char *)&val; - unsigned short tmp = (p[1] << 8) | p[0]; - *(volatile unsigned short *)(base+ndx) = tmp; -} - -_X_EXPORT void -outb(IOADDRESS port, unsigned char value) -{ - *((volatile unsigned char *)(ioBase + port)) = value; eieio(); -} - -_X_EXPORT void -outw(IOADDRESS port, unsigned short value) -{ - stw_brx(value, ioBase, port); eieio(); -} - -_X_EXPORT void -outl(IOADDRESS port, unsigned int value) -{ - stl_brx(value, ioBase, port); eieio(); -} - -_X_EXPORT unsigned char -inb(IOADDRESS port) -{ - unsigned char val; - - val = *((volatile unsigned char *)(ioBase + port)); eieio(); - return(val); -} - -_X_EXPORT unsigned short -inw(IOADDRESS port) -{ - unsigned short val; - - val = ldw_brx(ioBase, port); eieio(); - return(val); -} - -_X_EXPORT unsigned int -inl(IOADDRESS port) -{ - unsigned int val; - - val = ldl_brx(ioBase, port); eieio(); - return(val); -} - -_X_EXPORT unsigned long -ldl_u(void *p) -{ - return (((*(unsigned char *)(p)) | - (*((unsigned char *)(p)+1)<<8) | - (*((unsigned char *)(p)+2)<<16) | - (*((unsigned char *)(p)+3)<<24))); -} - -_X_EXPORT unsigned long -ldq_u(void *p) -{ - return ldl_u(p); -} - -_X_EXPORT unsigned short -ldw_u(void *p) -{ - return(((*(unsigned char *)(p)) | - (*((unsigned char *)(p)+1)<<8))); -} - -_X_EXPORT void -stl_u(unsigned long v, void *p) -{ - - (*(unsigned char *)(p)) = (v); - (*((unsigned char *)(p)+1)) = ((v) >> 8); - (*((unsigned char *)(p)+2)) = ((v) >> 16); - (*((unsigned char *)(p)+3)) = ((v) >> 24); -} - -_X_EXPORT void -stq_u(unsigned long v, void *p) -{ - stl_u(v,p); -} - -_X_EXPORT void -stw_u(unsigned short v, void *p) -{ - (*(unsigned char *)(p)) = (v); - (*((unsigned char *)(p)+1)) = ((v) >> 8); -} - - -_X_EXPORT void -mem_barrier(void) -{ - __asm__ __volatile__("eieio"); -} - -_X_EXPORT void -write_mem_barrier(void) -{ - __asm__ __volatile__("eieio"); -} - -#endif /* NO_INLINE && __powerpc__ */ diff --git a/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.S b/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.S deleted file mode 100644 index 3865850d1..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.S +++ /dev/null @@ -1,70 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_ppc.S,v 1.1 1999/07/10 07:24:49 dawes Exp $ */ -/* - * Copyright 1998 by Metro Link Incorporated - * - * 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 Metro Link - * Incorporated not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Metro Link Incorporated makes no representations - * about the suitability of this software for any purpose. It is - * provided "as is" without express or implied warranty. - * - * METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED 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. - */ - - .file "ppc.s" -.toc - .csect .text[PR] - .balign 4 - .globl ppc_flush_icache - .globl .ppc_flush_icache -.csect ppc_flush_icache[DS] -ppc_flush_icache: - .long .ppc_flush_icache, TOC[tc0], 0 -.csect .text[PR] -.ppc_flush_icache: - mflr 0 - stw 31,-4(1) - stw 0,8(1) - stwu 1,-64(1) - mr 31,1 - stw 3,88(31) - li 6, 0 /* __inst_dcbf (addr, 0); */ - dcbf 3, 6 - li 5, 32 /* __inst_dcbf (addr, LINESIZE); */ - dcbf 3, 5 - sync /* __inst_sync (); */ - li 4,0 /* __inst_icbi (addr, 0); */ - icbi 3,4 - li 7,32 /* __inst_icbi (addr, LINESIZE); */ - icbi 3,7 - sync /* __inst_sync (); */ - isync /* __inst_isync (); */ -L..1: - lwz 1,0(1) - lwz 0,8(1) - mtlr 0 - lwz 31,-4(1) - blr -LT..ppc_flush_icache: - .long 0 - .byte 0,0,32,97,128,1,1,1 - .long 0 - .long LT..ppc_flush_icache-.ppc_flush_icache - .short 16 - .byte "ppc_flush_icache" - .byte 31 -_section_.text: - .csect .data[RW] - .long _section_.text diff --git a/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.c b/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.c deleted file mode 100644 index 6300f38c8..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright 1998 by Metro Link Incorporated - * - * 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 Metro Link - * Incorporated not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Metro Link Incorporated makes no representations - * about the suitability of this software for any purpose. It is - * provided "as is" without express or implied warranty. - * - * METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED 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. - */ - -void ppc_flush_icache() -{ -__asm__ __volatile__ (" \ - mflr 0 ;\ - stw 31,-4(1) ;\ - stw 0,8(1) ;\ - stwu 1,-64(1) ;\ - mr 31,1 ;\ - stw 3,88(31) ;\ - li 6, 0 ;\ - dcbf 3, 6 ;\ - li 5, 32 ;\ - dcbf 3, 5 ;\ - sync ;\ - li 4,0 ;\ - icbi 3,4 ;\ - li 7,32 ;\ - icbi 3,7 ;\ - sync ;\ - isync ;\ - lwz 1,0(1) ;\ - lwz 0,8(1) ;\ - mtlr 0 ;\ - lwz 31,-4(1) ;\ - blr ;\ -"); -} diff --git a/xorg-server/hw/xfree86/os-support/lynxos/lynx_video.c b/xorg-server/hw/xfree86/os-support/lynxos/lynx_video.c deleted file mode 100644 index 4602076c7..000000000 --- a/xorg-server/hw/xfree86/os-support/lynxos/lynx_video.c +++ /dev/null @@ -1,710 +0,0 @@ -/* - * Copyright 1993 by Thomas Mueller - * - * 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 Thomas Mueller not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Thomas Mueller makes no representations - * about the suitability of this software for any purpose. It is provided - * "as is" without express or implied warranty. - * - * THOMAS MUELLER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THOMAS MUELLER 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 <X11/X.h> -#include "input.h" -#include "scrnintstr.h" - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" -#include "xf86OSpriv.h" - -#if defined(__powerpc__) - -# if defined(USE_MACHINE_ABSOLUTE) -# include <machine/absolute.h> -# else -# define __USER_SPACE_INCLUDE -# include <hw_absolute.h> -# endif - -void ppcPciIoMap(int bus); -#endif - -#if 0 -#define DEBUG -#endif - -#ifdef HAS_MTRR_SUPPORT -#include <sys/memrange.h> -#define X_MTRR_ID "XFree86" - -static pointer setWC(int, unsigned long, unsigned long, Bool, MessageType); -static void undoWC(int, pointer); -static Bool cleanMTRR(void); -static int devMemFd = -1; -#define MTRR_DEVICE "/dev/mtrr" -#endif - - -#if !defined(NO_MMAP) -#include <sys/mman.h> - -int smem_remove(char *name) -{ - return(0); -} - -char *smem_create(char *name, char *arg_addr, long size, int mode) -{ - int fd; - void *addr = 0; - char *retval; - size_t len = size; - int prot = PROT_READ|PROT_WRITE|PROT_UNCACHE; - int flags = MAP_SHARED; - off_t off = (off_t)arg_addr; - - if ((fd = open("/dev/mem" , O_RDWR)) < 0) - { - retval = (char *)-1; - } - else - { - if (mode == SM_DETACH) - { - munmap(arg_addr, len); - retval = 0; - } - else - { - if ((retval = mmap (addr, len, prot, flags, fd, off) ) == MAP_FAILED) - { - retval = (char *)-1; - } - } - - close(fd); - } - - return(retval); -} - -#endif - - -/***************************************************************************/ -/* Video Memory Mapping section */ -/***************************************************************************/ - -typedef struct -{ - char name[16]; - unsigned long Base; - unsigned long Size; - char *ptr; - int RefCnt; -} -_SMEMS; - -#define MAX_SMEMS 16 - -static _SMEMS smems[MAX_SMEMS]; - - -#ifndef MAP_FAILED -#define MAP_FAILED ((void *)-1) -#endif - -static void -smemCleanup(void) -{ - int i; - - for (i = 0; i < MAX_SMEMS; i++) { - if (*smems[i].name && smems[i].ptr) { - (void)smem_create(NULL, smems[i].ptr, 0, SM_DETACH); - (void)smem_remove(smems[i].name); - *smems[i].name = '\0'; - smems[i].ptr = NULL; - smems[i].Base = 0; - smems[i].Size = 0; - smems[i].RefCnt = 0; - } - } -} - -static pointer -MapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - static int once; - int free_slot = -1; - int i; - - if (!once) - { - atexit(smemCleanup); - once = 1; - } - for (i = 0; i < MAX_SMEMS; i++) - { - if (!*smems[i].name && free_slot == -1) - free_slot = i; - if (smems[i].Base == Base && smems[i].Size == Size - && *smems[i].name) { - smems[i].RefCnt++; - return smems[i].ptr; - } - } - if (i == MAX_SMEMS && free_slot == -1) - { - FatalError("MapVidMem: failed to smem_create Base %x Size %x (out of SMEMS entries)\n", - Base, Size); - } - - i = free_slot; - sprintf(smems[i].name, "Video-%d", i); - smems[i].Base = Base; - smems[i].Size = Size; - - xf86MsgVerb(X_INFO, 3, "MapVidMem: Base=0x%x Size=0x%x\n", - Base, Size); - -#if defined(__powerpc__) - if (((unsigned long)Base & PHYS_IO_MEM_START) != PHYS_IO_MEM_START) { - Base = Base | PHYS_IO_MEM_START; - } -#endif - - smems[i].ptr = smem_create(smems[i].name, (char *)Base, Size, SM_READ|SM_WRITE); - smems[i].RefCnt = 1; - if (smems[i].ptr == NULL) - { - /* check if there is a stale segment around */ - if (smem_remove(smems[i].name) == 0) { - xf86Msg(X_INFO, - "MapVidMem: removed stale smem_ segment %s\n", - smems[i].name); - smems[i].ptr = smem_create(smems[i].name, - (char *)Base, Size, SM_READ|SM_WRITE); - } - if (smems[i].ptr == NULL) { - *smems[i].name = '\0'; - FatalError("MapVidMem: failed to smem_create Base %x Size %x (%s)\n", - Base, Size, strerror(errno)); - } - } - xf86MsgVerb(X_INFO, 3, "MapVidMem: Base=0x%x Size=0x%x Ptr=0x%x\n", - Base, Size, smems[i].ptr); - return smems[i].ptr; -} - -static void -UnMapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ - int i; - - xf86MsgVerb(X_INFO, 3, "UnMapVidMem: Base/Ptr=0x%x Size=0x%x\n", - Base, Size); - for (i = 0; i < MAX_SMEMS; i++) - { - if (*smems[i].name && smems[i].ptr == Base - && smems[i].Size == Size) - { - if (--smems[i].RefCnt > 0) - return; - - (void)smem_create(NULL, smems[i].ptr, 0, SM_DETACH); - xf86MsgVerb(X_INFO, 3, - "UnMapVidMem: smem_create(%s, 0x%08x, ... " - "SM_DETACH)\n", smems[i].name, smems[i].ptr); - (void)smem_remove(smems[i].name); - *smems[i].name = '\0'; - smems[i].RefCnt = 0; - return; - } - } - xf86MsgVerb(X_WARNING, 2, - "UnMapVidMem: no SMEM found for Base = %lx Size = %lx\n", - Base, Size); -} - - -void -xf86OSInitVidMem(VidMemInfoPtr pVidMem) -{ - pVidMem->linearSupported = TRUE; - pVidMem->mapMem = MapVidMem; - pVidMem->unmapMem = UnMapVidMem; - pVidMem->setWC = 0; - pVidMem->undoWC = 0; -#ifdef HAS_MTRR_SUPPORT - if (cleanMTRR()) { - pVidMem->setWC = setWC; - pVidMem->undoWC = undoWC; - } -#endif - pVidMem->initialised = TRUE; -} - - -/***************************************************************************/ -/* Interrupt Handling section */ -/***************************************************************************/ - -_X_EXPORT Bool -xf86DisableInterrupts() -{ - return(TRUE); -} - -_X_EXPORT void -xf86EnableInterrupts() -{ - return; -} - -/***************************************************************************/ -/* I/O Permissions section for PowerPC */ -/***************************************************************************/ - -#if defined(__powerpc__) - -_X_EXPORT volatile unsigned char *ioBase = MAP_FAILED; -volatile unsigned char *pciConfBase = MAP_FAILED; - -static int IOEnabled; - - -static void -removeIOSmem(void) -{ - smem_create(NULL, (char *) ioBase, 0, SM_DETACH); - smem_remove("IOBASE"); - ioBase = MAP_FAILED; -} - -_X_EXPORT Bool -xf86EnableIO() -{ - if (IOEnabled++ == 0) { - ioBase = (unsigned char *) smem_create("IOBASE", - (char *)PHYS_ISA_IO_SPACE, 64*1024, SM_READ|SM_WRITE); - if (ioBase == MAP_FAILED) { - --IOEnabled; - xf86Msg(X_WARNING,"xf86EnableIO: Failed to map I/O\n"); - return FALSE; - } else { -#ifdef DEBUG - ErrorF("xf86EnableIO: mapped I/O at vaddr 0x%08x\n", - ioBase); -#endif - atexit(removeIOSmem); - } - } - return TRUE; -} - -_X_EXPORT void -xf86DisableIO() -{ - if (!IOEnabled) - return; - - if (--IOEnabled == 0) - removeIOSmem(); - return; -} - -#if 0 -void -xf86DisableIOPrivs(void) -{ - return; -} -#endif -void -ppcPciIoMap(int bus) -{ - xf86EnableIO(); -} - -#endif - - -#ifdef HAS_MTRR_SUPPORT -/* memory range (MTRR) support for LynxOS (taken from BSD MTRR support) */ - -/* - * This code is experimental. Some parts may be overkill, and other parts - * may be incomplete. - */ - -/* - * getAllRanges returns the full list of memory ranges with attributes set. - */ - -static struct mem_range_desc * -getAllRanges(int *nmr) -{ - struct mem_range_desc *mrd; - struct mem_range_op mro; - - /* - * Find how many ranges there are. If this fails, then the kernel - * probably doesn't have MTRR support. - */ - mro.mo_arg[0] = 0; - if (ioctl(devMemFd, MEMRANGE_GET, &mro)) - return NULL; - *nmr = mro.mo_arg[0]; - mrd = xnfalloc(*nmr * sizeof(struct mem_range_desc)); - mro.mo_arg[0] = *nmr; - mro.mo_desc = mrd; - if (ioctl(devMemFd, MEMRANGE_GET, &mro)) { - xfree(mrd); - return NULL; - } - return mrd; -} - -/* - * cleanMTRR removes any memory attribute that may be left by a previous - * X server. Normally there won't be any, but this takes care of the - * case where a server crashed without being able finish cleaning up. - */ - -static Bool -cleanMTRR() -{ - struct mem_range_desc *mrd; - struct mem_range_op mro; - int nmr, i; - - /* This shouldn't happen */ - if (devMemFd < 0) { - if ((devMemFd = open(MTRR_DEVICE, O_RDONLY)) < 0) { -perror("open MTRR"); - return FALSE; - } - } - - if (!(mrd = getAllRanges(&nmr))) - return FALSE; - - for (i = 0; i < nmr; i++) { - if (strcmp(mrd[i].mr_owner, X_MTRR_ID) == 0 && - (mrd[i].mr_flags & MDF_ACTIVE)) { -#ifdef DEBUG - ErrorF("Clean for (0x%lx,0x%lx)\n", - (unsigned long)mrd[i].mr_base, - (unsigned long)mrd[i].mr_len); -#endif - if (mrd[i].mr_flags & MDF_FIXACTIVE) { - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - mrd[i].mr_flags = MDF_UNCACHEABLE; - } else { - mro.mo_arg[0] = MEMRANGE_SET_REMOVE; - } - mro.mo_desc = mrd + i; - ioctl(devMemFd, MEMRANGE_SET, &mro); - } - } -#ifdef DEBUG - sleep(10); -#endif - xfree(mrd); - return TRUE; -} - -typedef struct x_RangeRec { - struct mem_range_desc mrd; - Bool wasWC; - struct x_RangeRec * next; -} RangeRec, *RangePtr; - -static void -freeRangeList(RangePtr range) -{ - RangePtr rp; - - while (range) { - rp = range; - range = rp->next; - xfree(rp); - } -} - -static RangePtr -dupRangeList(RangePtr list) -{ - RangePtr new = NULL, rp, p; - - rp = list; - while (rp) { - p = xnfalloc(sizeof(RangeRec)); - *p = *rp; - p->next = new; - new = p; - rp = rp->next; - } - return new; -} - -static RangePtr -sortRangeList(RangePtr list) -{ - RangePtr rp1, rp2, copy, sorted = NULL, minp, prev, minprev; - unsigned long minBase; - - /* Sort by base address */ - rp1 = copy = dupRangeList(list); - while (rp1) { - minBase = rp1->mrd.mr_base; - minp = rp1; - minprev = NULL; - prev = rp1; - rp2 = rp1->next; - while (rp2) { - if (rp2->mrd.mr_base < minBase) { - minBase = rp2->mrd.mr_base; - minp = rp2; - minprev = prev; - } - prev = rp2; - rp2 = rp2->next; - } - if (minprev) { - minprev->next = minp->next; - rp1 = copy; - } else { - rp1 = minp->next; - } - minp->next = sorted; - sorted = minp; - } - return sorted; -} - -/* - * findRanges returns a list of ranges that overlap the specified range. - */ - -static void -findRanges(unsigned long base, unsigned long size, RangePtr *ucp, RangePtr *wcp) -{ - struct mem_range_desc *mrd; - int nmr, i; - RangePtr rp, *p; - - if (!(mrd = getAllRanges(&nmr))) - return; - - for (i = 0; i < nmr; i++) { - if ((mrd[i].mr_flags & MDF_ACTIVE) && - mrd[i].mr_base < base + size && - mrd[i].mr_base + mrd[i].mr_len > base) { - if (mrd[i].mr_flags & MDF_WRITECOMBINE) - p = wcp; - else if (mrd[i].mr_flags & MDF_UNCACHEABLE) - p = ucp; - else - continue; - rp = xnfalloc(sizeof(RangeRec)); - rp->mrd = mrd[i]; - rp->next = *p; - *p = rp; - } - } - xfree(mrd); -} - -/* - * This checks if the existing overlapping ranges fully cover the requested - * range. Is this overkill? - */ - -static Bool -fullCoverage(unsigned long base, unsigned long size, RangePtr overlap) -{ - RangePtr rp1, sorted = NULL; - unsigned long end; - - sorted = sortRangeList(overlap); - /* Look for gaps */ - rp1 = sorted; - end = base + size; - while (rp1) { - if (rp1->mrd.mr_base > base) { - freeRangeList(sorted); - return FALSE; - } else { - base = rp1->mrd.mr_base + rp1->mrd.mr_len; - } - if (base >= end) { - freeRangeList(sorted); - return TRUE; - } - rp1 = rp1->next; - } - freeRangeList(sorted); - return FALSE; -} - -static pointer -addWC(int screenNum, unsigned long base, unsigned long size, MessageType from) -{ - RangePtr uc = NULL, wc = NULL, retlist = NULL; - struct mem_range_desc mrd; - struct mem_range_op mro; - - findRanges(base, size, &uc, &wc); - - /* See of the full range is already WC */ - if (!uc && fullCoverage(base, size, wc)) { - xf86DrvMsg(screenNum, from, - "Write-combining range (0x%lx,0x%lx) was already set\n", - base, size); - return NULL; - } - - /* Otherwise, try to add the new range */ - mrd.mr_base = base; - mrd.mr_len = size; - strcpy(mrd.mr_owner, X_MTRR_ID); - mrd.mr_flags = MDF_WRITECOMBINE; - mro.mo_desc = &mrd; - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - if (ioctl(devMemFd, MEMRANGE_SET, &mro)) { - xf86DrvMsg(screenNum, X_WARNING, - "Failed to set write-combining range " - "(0x%lx,0x%lx)\n", base, size); - return NULL; - } else { - xf86DrvMsg(screenNum, from, - "Write-combining range (0x%lx,0x%lx)\n", base, size); - retlist = xnfalloc(sizeof(RangeRec)); - retlist->mrd = mrd; - retlist->wasWC = FALSE; - retlist->next = NULL; - return retlist; - } -} - -static pointer -delWC(int screenNum, unsigned long base, unsigned long size, MessageType from) -{ - RangePtr uc = NULL, wc = NULL, retlist = NULL; - struct mem_range_desc mrd; - struct mem_range_op mro; - - findRanges(base, size, &uc, &wc); - - /* - * See of the full range is already not WC, or if there is full - * coverage from UC ranges. - */ - if (!wc || fullCoverage(base, size, uc)) { - xf86DrvMsg(screenNum, from, - "Write-combining range (0x%lx,0x%lx) was already clear\n", - base, size); - return NULL; - } - - /* Otherwise, try to add the new range */ - mrd.mr_base = base; - mrd.mr_len = size; - strcpy(mrd.mr_owner, X_MTRR_ID); - mrd.mr_flags = MDF_UNCACHEABLE; - mro.mo_desc = &mrd; - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - if (ioctl(devMemFd, MEMRANGE_SET, &mro)) { - xf86DrvMsg(screenNum, X_WARNING, - "Failed to remove write-combining range " - "(0x%lx,0x%lx)\n", base, size); - /* XXX Should then remove all of the overlapping WC ranges */ - return NULL; - } else { - xf86DrvMsg(screenNum, from, - "Removed Write-combining range (0x%lx,0x%lx)\n", - base, size); - retlist = xnfalloc(sizeof(RangeRec)); - retlist->mrd = mrd; - retlist->wasWC = TRUE; - retlist->next = NULL; - return retlist; - } -} - -static pointer -setWC(int screenNum, unsigned long base, unsigned long size, Bool enable, - MessageType from) -{ - if (enable) - return addWC(screenNum, base, size, from); - else - return delWC(screenNum, base, size, from); -} - -static void -undoWC(int screenNum, pointer list) -{ - RangePtr rp; - struct mem_range_op mro; - Bool failed; - - rp = list; - while (rp) { -#ifdef DEBUG - ErrorF("Undo for (0x%lx,0x%lx), %d\n", - (unsigned long)rp->mrd.mr_base, - (unsigned long)rp->mrd.mr_len, rp->wasWC); -#endif - failed = FALSE; - if (rp->wasWC) { - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - rp->mrd.mr_flags = MDF_WRITECOMBINE; - strcpy(rp->mrd.mr_owner, "unknown"); - } else { - mro.mo_arg[0] = MEMRANGE_SET_REMOVE; - } - mro.mo_desc = &rp->mrd; - - if (ioctl(devMemFd, MEMRANGE_SET, &mro)) { - if (!rp->wasWC) { - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - rp->mrd.mr_flags = MDF_UNCACHEABLE; - strcpy(rp->mrd.mr_owner, "unknown"); - if (ioctl(devMemFd, MEMRANGE_SET, &mro)) - failed = TRUE; - } else - failed = TRUE; - } - if (failed) { - xf86DrvMsg(screenNum, X_WARNING, - "Failed to restore MTRR range (0x%lx,0x%lx)\n", - (unsigned long)rp->mrd.mr_base, - (unsigned long)rp->mrd.mr_len); - } - rp = rp->next; - } -} - -#endif /* HAS_MTRR_SUPPORT */ - |