diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos')
9 files changed, 1539 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/Imakefile b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/Imakefile new file mode 100644 index 000000000..350856905 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/Imakefile @@ -0,0 +1,62 @@ +XCOMM $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/Imakefile,v 3.23 2002/10/17 02:22:46 dawes Exp $ +#include <Server.tmpl> + +#if AllowSIGIO +SIGIO=sigio +#else +SIGIO=sigiostubs +#endif + +#if !defined(PpcArchitecture) +#if HasMTRRSupport +MTRRDEFINES = -DHAS_MTRR_SUPPORT +#endif +IOPERM_SRCS=ioperm_noop.c +IOPERM_OBJS=ioperm_noop.o +#endif + +#if defined(PpcArchitecture) +PPC_SRCS=lynx_noinline.c lynx_ppc.c +PPC_OBJS=lynx_noinline.o lynx_ppc.o +#endif + +MOUSESRC = lynx_mouse.c +MOUSEOBJ = lynx_mouse.o + +SRCS = lynx_init.c lynx_video.c lynx_io.c lynx_mmap.c \ + VTsw_usl.c std_kbdEv.c posix_tty.c $(MOUSESRC) \ + $(IOPERM_SRCS) $(PPC_SRCS) libc_wrapper.c stdResource.c stdPci.c \ + vidmem.c $(SIGIO).c pm_noop.c kmod_noop.c agp_noop.c + +OBJS = lynx_init.o lynx_video.o lynx_io.o lynx_mmap.o \ + VTsw_usl.o std_kbdEv.o posix_tty.o $(MOUSEOBJ) \ + $(IOPERM_OBJS) $(PPC_OBJS) libc_wrapper.o stdResource.o stdPci.o \ + vidmem.o $(SIGIO).o pm_noop.o kmod_noop.o agp_noop.o + +INCLUDES = -I$(XF86COMSRC) -I$(XF86OSSRC) -I. -I$(SERVERSRC)/include \ + -I$(XINCLUDESRC) -I$(EXTINCSRC) \ + -I$(ENV_PREFIX)/sys/lynx.os -I$(DRMSRCDIR)/shared-core + +RESDEFINES = -DUSESTDRES + +DEFINES = $(RESDEFINES) $(MTRRDEFINES) + +SubdirLibraryRule($(OBJS)) +NormalLibraryObjectRule() + +#if !defined(PpcArchitecture) +LinkSourceFile(ioperm_noop.c,../shared) +#endif +LinkSourceFile(VTsw_usl.c,../shared) +LinkSourceFile(std_kbdEv.c,../shared) +LinkSourceFile(posix_tty.c,../shared) +LinkSourceFile(libc_wrapper.c,../shared) +LinkSourceFile(stdResource.c,../shared) +LinkSourceFile(stdPci.c,../shared) +LinkSourceFile(vidmem.c,../shared) +LinkSourceFile($(SIGIO).c,../shared) +LinkSourceFile(pm_noop.c,../shared) +LinkSourceFile(kmod_noop.c,../shared) +LinkSourceFile(agp_noop.c,../shared) + +DependTarget() diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_init.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_init.c new file mode 100644 index 000000000..84db50127 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_init.c @@ -0,0 +1,193 @@ +/* + * 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. + * + */ + + +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_init.c,v 3.2 1998/07/25 16:56:45 dawes Exp $ */ + +#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/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_io.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_io.c new file mode 100644 index 000000000..afd3f8962 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_io.c @@ -0,0 +1,166 @@ +/* + * 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. + * + */ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_io.c,v 3.9 2002/10/11 01:40:35 dawes Exp $ */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> + +#include "compiler.h" + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" + +#if defined(KDMKTONE) || defined(KIOCSOUND) +/* Lynx 2.2.1 has sophisticated atc stuff.... */ +void +xf86SoundKbdBell(int loudness, int pitch, int duration) +{ + if (loudness && pitch) + { +#ifdef KDMKTONE + /* + * If we have KDMKTONE use it to avoid putting the server + * to sleep + */ + ioctl(xf86Info.consoleFd, KDMKTONE, + (pitch & 0xffff) | + (((unsigned long)duration * + loudness / 50) << 16)); +#else + ioctl(xf86Info.consoleFd, KIOCSOUND, pitch); + usleep(xf86Info.bell_duration * loudness * 20); + ioctl(xf86Info.consoleFd, KIOCSOUND, 0); +#endif + } +} + +#else + +/* this is pulled from /sys/drivers/vt100/atbeep.c */ + +#define SPEAKER_CONTROL 0x61 +#define TIMER_CONTROL 0x43 +#define TIMER_DATA 0x42 +#define TIMER_LOAD_CMD 0xb6 + +#define TIMER_CONSTANT 1193280 +#define FREQ_LO(f) ((TIMER_CONSTANT / (f)) % 256) +#define FREQ_HI(f) ((TIMER_CONSTANT / (f)) / 256) + +void +xf86SoundKbdBell(int loudness, int pitch, int duration) +{ + int flo = FREQ_LO(pitch); + int fhi = FREQ_HI(pitch); + + outb(TIMER_CONTROL, TIMER_LOAD_CMD); + outb(TIMER_DATA, flo); + outb(TIMER_DATA, fhi); + + /* speaker on */ + outb(SPEAKER_CONTROL, inb(SPEAKER_CONTROL) | 3); + usleep(xf86Info.bell_duration * loudness * 20); + /* speaker off */ + outb(SPEAKER_CONTROL, inb(SPEAKER_CONTROL) & ~3); +} +#endif + +void +xf86SetKbdLeds(int leds) +{ +#ifdef KBD_SET_LEDS + ioctl(xf86Info.consoleFd, KBD_SET_LEDS, &leds); +#endif +} + +int +xf86GetKbdLeds() +{ +#ifdef KBD_SET_LEDS + int leds; + + if (ioctl(xf86Info.consoleFd, KBD_SET_LEDS, &leds) < 0) + return 0; + + return leds; +#endif + return 0; +} + +void +xf86SetKbdRepeat(char rad) +{ +} + +static struct termio kbdtty; + +void +xf86KbdInit() +{ + ioctl(xf86Info.consoleFd, TCGETA, &kbdtty); +} + +int +xf86KbdOn() +{ + struct termio nTty; + + /* set CAPS_LOCK to behave as CAPS_LOCK not as CTRL */ + write(xf86Info.consoleFd, "\033<", 2); + + /* enable scan mode */ + ioctl(xf86Info.consoleFd, TIO_ENSCANMODE, NULL); + + nTty = kbdtty; + nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP); + nTty.c_oflag = 0; + nTty.c_cflag = CREAD | CS8; + nTty.c_lflag = 0; + nTty.c_cc[VTIME]=0; + nTty.c_cc[VMIN]=1; + ioctl(xf86Info.consoleFd, TCSETA, &nTty); + + return(xf86Info.consoleFd); +} + +int +xf86KbdOff() +{ + /* disable scan mode */ + ioctl(xf86Info.consoleFd, TIO_DISSCANMODE, NULL); + ioctl(xf86Info.consoleFd, TCSETA, &kbdtty); + return(xf86Info.consoleFd); +} + +#include "xf86OSKbd.h" + +Bool +xf86OSKbdPreInit(InputInfoPtr pInfo) +{ + return FALSE; +} diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_mmap.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_mmap.c new file mode 100644 index 000000000..c00b6700f --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_mmap.c @@ -0,0 +1,73 @@ +/* + * 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. + * + */ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_mmap.c,v 3.5 1998/08/29 05:43:58 dawes Exp $ */ + +#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 + */ + +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/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_mouse.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_mouse.c new file mode 100644 index 000000000..68aca5d38 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_mouse.c @@ -0,0 +1,34 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_mouse.c,v 1.1 1999/05/22 08:40:14 dawes Exp $ */ + +/* + * 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; +} + +OSMouseInfoPtr +xf86OSMouseInit(int flags) +{ + OSMouseInfoPtr p; + + p = xcalloc(sizeof(OSMouseInfoRec), 1); + if (!p) + return NULL; + p->SupportedInterfaces = SupportedInterfaces; + return p; +} + diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_noinline.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_noinline.c new file mode 100644 index 000000000..1c12f62f9 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_noinline.c @@ -0,0 +1,178 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_noinline.c,v 3.5 2000/07/31 23:25:18 tsi 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. + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#if /* NO_INLINE && */ defined(__powerpc__) + +#include "xf86Pci.h" + +extern volatile unsigned char *ioBase; + +void +eieio() +{ + __asm__ __volatile__ ("eieio"); +} + +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) ); +} + +unsigned short +ldw_brx(volatile unsigned char *base, int ndx) +{ + register unsigned short tmp = *(volatile unsigned short *)(base+ndx); + return((tmp << 8) | (tmp >> 8)); +} + +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; +} + +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; +} + +void +outb(IOADDRESS port, unsigned char value) +{ + *((volatile unsigned char *)(ioBase + port)) = value; eieio(); +} + +void +outw(IOADDRESS port, unsigned short value) +{ + stw_brx(value, ioBase, port); eieio(); +} + +void +outl(IOADDRESS port, unsigned int value) +{ + stl_brx(value, ioBase, port); eieio(); +} + +unsigned char +inb(IOADDRESS port) +{ + unsigned char val; + + val = *((volatile unsigned char *)(ioBase + port)); eieio(); + return(val); +} + +unsigned short +inw(IOADDRESS port) +{ + unsigned short val; + + val = ldw_brx(ioBase, port); eieio(); + return(val); +} + +unsigned int +inl(IOADDRESS port) +{ + unsigned int val; + + val = ldl_brx(ioBase, port); eieio(); + return(val); +} + +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))); +} + +unsigned long +ldq_u(void *p) +{ + return ldl_u(p); +} + +unsigned short +ldw_u(void *p) +{ + return(((*(unsigned char *)(p)) | + (*((unsigned char *)(p)+1)<<8))); +} + +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); +} + +void +stq_u(unsigned long v, void *p) +{ + stl_u(v,p); +} + +void +stw_u(unsigned short v, void *p) +{ + (*(unsigned char *)(p)) = (v); + (*((unsigned char *)(p)+1)) = ((v) >> 8); +} + + +void +mem_barrier(void) +{ + __asm__ __volatile__("eieio"); +} + +void +write_mem_barrier(void) +{ + __asm__ __volatile__("eieio"); +} + +#endif /* NO_INLINE && __powerpc__ */ diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_ppc.S b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_ppc.S new file mode 100644 index 000000000..3865850d1 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_ppc.S @@ -0,0 +1,70 @@ +/* $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/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_ppc.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_ppc.c new file mode 100644 index 000000000..12fa3bcae --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_ppc.c @@ -0,0 +1,52 @@ +/* $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. + */ + +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/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_video.c new file mode 100644 index 000000000..5d0949091 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_video.c @@ -0,0 +1,711 @@ +/* + * 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. + * + */ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_video.c,v 3.17 2000/10/28 01:42:27 mvojkovi Exp $ */ + +#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 */ +/***************************************************************************/ + +Bool +xf86DisableInterrupts() +{ + return(TRUE); +} + +void +xf86EnableInterrupts() +{ + return; +} + +/***************************************************************************/ +/* I/O Permissions section for PowerPC */ +/***************************************************************************/ + +#if defined(__powerpc__) + +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; +} + +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; +} + +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 */ + |