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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/os-support/lynxos
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/lynxos')
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/Makefile.am8
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/Makefile.in540
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/lynx_init.c192
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/lynx_mmap.c72
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/lynx_mouse.c33
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/lynx_noinline.c177
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.S70
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.c51
-rw-r--r--xorg-server/hw/xfree86/os-support/lynxos/lynx_video.c710
9 files changed, 1853 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/os-support/lynxos/Makefile.am b/xorg-server/hw/xfree86/os-support/lynxos/Makefile.am
new file mode 100644
index 000000000..4085c49a9
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/lynxos/Makefile.am
@@ -0,0 +1,8 @@
+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
new file mode 100644
index 000000000..b4641474d
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/lynxos/Makefile.in
@@ -0,0 +1,540 @@
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+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
+ echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+ fi; \
+ cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+ else \
+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+ distclean distclean-generic distclean-libtool distdir dvi \
+ dvi-am html html-am info info-am install install-am \
+ install-data install-data-am install-dvi install-dvi-am \
+ install-exec install-exec-am install-html install-html-am \
+ install-info install-info-am install-man install-pdf \
+ install-pdf-am install-ps install-ps-am install-strip \
+ installcheck installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-generic \
+ mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/xorg-server/hw/xfree86/os-support/lynxos/lynx_init.c b/xorg-server/hw/xfree86/os-support/lynxos/lynx_init.c
new file mode 100644
index 000000000..03f72ca19
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/lynxos/lynx_init.c
@@ -0,0 +1,192 @@
+/*
+ * 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
new file mode 100644
index 000000000..3364399aa
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/lynxos/lynx_mmap.c
@@ -0,0 +1,72 @@
+/*
+ * 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
new file mode 100644
index 000000000..b48202977
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/lynxos/lynx_mouse.c
@@ -0,0 +1,33 @@
+
+/*
+ * 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
new file mode 100644
index 000000000..d4db82cca
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/lynxos/lynx_noinline.c
@@ -0,0 +1,177 @@
+/*
+ * 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
new file mode 100644
index 000000000..3865850d1
--- /dev/null
+++ b/xorg-server/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/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.c b/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.c
new file mode 100644
index 000000000..6300f38c8
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/lynxos/lynx_ppc.c
@@ -0,0 +1,51 @@
+/*
+ * 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
new file mode 100644
index 000000000..4602076c7
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/lynxos/lynx_video.c
@@ -0,0 +1,710 @@
+/*
+ * 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 */
+