3516. Jumbo Tiny-X patch with Itsy support (#3527, Keith Packard).xf-3_9_17xf-3_9_16Za

4 files changed, 915 insertions, 0 deletions

diff --git a/hw/kdrive/linux/Imakefile b/hw/kdrive/linux/Imakefile
new file mode 100644
index 000000000..0c8927c42
--- /dev/null
+++ b/hw/kdrive/linux/Imakefile
@@ -0,0 +1,16 @@
+XCOMM $XConsortium: Imakefile /main/10 1996/12/02 10:20:33 lehors $
+XCOMM $XFree86: $
+#include <Server.tmpl>
+
+SRCS = keyboard.c linux.c ps2.c
+
+OBJS = keyboard.o linux.o ps2.o
+
+INCLUDES = -I. -I.. -I$(XBUILDINCDIR) -I$(FONTINCSRC) \
+	   -I../../../fb -I../../../mi -I../../../include -I../../../os  \
+           -I$(EXTINCSRC) -I$(XINCLUDESRC)
+
+NormalLibraryObjectRule()
+NormalLibraryTarget(linux,$(OBJS))
+
+DependTarget()
diff --git a/hw/kdrive/linux/keyboard.c b/hw/kdrive/linux/keyboard.c
new file mode 100644
index 000000000..87fc0962e
--- /dev/null
+++ b/hw/kdrive/linux/keyboard.c
@@ -0,0 +1,439 @@
+/*
+ * $Id$
+ *
+ * Copyright © 1999 Keith Packard
+ *
+ * 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 Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+
+#include "kdrive.h"
+#include "kkeymap.h"
+#include <linux/keyboard.h>
+#include <linux/kd.h>
+#include <X11/keysym.h>
+#include <termios.h>
+
+extern int  LinuxConsoleFd;
+
+static const KeySym linux_to_x[256] = {
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	XK_BackSpace,	XK_Tab,		XK_Linefeed,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	XK_Escape,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	XK_space,	XK_exclam,	XK_quotedbl,	XK_numbersign,
+	XK_dollar,	XK_percent,	XK_ampersand,	XK_apostrophe,
+	XK_parenleft,	XK_parenright,	XK_asterisk,	XK_plus,
+	XK_comma,	XK_minus,	XK_period,	XK_slash,
+	XK_0,		XK_1,		XK_2,		XK_3,
+	XK_4,		XK_5,		XK_6,		XK_7,
+	XK_8,		XK_9,		XK_colon,	XK_semicolon,
+	XK_less,	XK_equal,	XK_greater,	XK_question,
+	XK_at,		XK_A,		XK_B,		XK_C,
+	XK_D,		XK_E,		XK_F,		XK_G,
+	XK_H,		XK_I,		XK_J,		XK_K,
+	XK_L,		XK_M,		XK_N,		XK_O,
+	XK_P,		XK_Q,		XK_R,		XK_S,
+	XK_T,		XK_U,		XK_V,		XK_W,
+	XK_X,		XK_Y,		XK_Z,		XK_bracketleft,
+	XK_backslash,	XK_bracketright,XK_asciicircum,	XK_underscore,
+	XK_grave,	XK_a,		XK_b,		XK_c,
+	XK_d,		XK_e,		XK_f,		XK_g,
+	XK_h,		XK_i,		XK_j,		XK_k,
+	XK_l,		XK_m,		XK_n,		XK_o,
+	XK_p,		XK_q,		XK_r,		XK_s,
+	XK_t,		XK_u,		XK_v,		XK_w,
+	XK_x,		XK_y,		XK_z,		XK_braceleft,
+	XK_bar,		XK_braceright,	XK_asciitilde,	XK_Delete,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
+	XK_nobreakspace,XK_exclamdown,	XK_cent,	XK_sterling,
+	XK_currency,	XK_yen,		XK_brokenbar,	XK_section,
+	XK_diaeresis,	XK_copyright,	XK_ordfeminine,	XK_guillemotleft,
+	XK_notsign,	XK_hyphen,	XK_registered,	XK_macron,
+	XK_degree,	XK_plusminus,	XK_twosuperior,	XK_threesuperior,
+	XK_acute,	XK_mu,		XK_paragraph,	XK_periodcentered,
+	XK_cedilla,	XK_onesuperior,	XK_masculine,	XK_guillemotright,
+	XK_onequarter,	XK_onehalf,	XK_threequarters,XK_questiondown,
+	XK_Agrave,	XK_Aacute,	XK_Acircumflex,	XK_Atilde,
+	XK_Adiaeresis,	XK_Aring,	XK_AE,		XK_Ccedilla,
+	XK_Egrave,	XK_Eacute,	XK_Ecircumflex,	XK_Ediaeresis,
+	XK_Igrave,	XK_Iacute,	XK_Icircumflex,	XK_Idiaeresis,
+	XK_ETH,		XK_Ntilde,	XK_Ograve,	XK_Oacute,
+	XK_Ocircumflex,	XK_Otilde,	XK_Odiaeresis,	XK_multiply,
+	XK_Ooblique,	XK_Ugrave,	XK_Uacute,	XK_Ucircumflex,
+	XK_Udiaeresis,	XK_Yacute,	XK_THORN,	XK_ssharp,
+	XK_agrave,	XK_aacute,	XK_acircumflex,	XK_atilde,
+	XK_adiaeresis,	XK_aring,	XK_ae,		XK_ccedilla,
+	XK_egrave,	XK_eacute,	XK_ecircumflex,	XK_ediaeresis,
+	XK_igrave,	XK_iacute,	XK_icircumflex,	XK_idiaeresis,
+	XK_eth,		XK_ntilde,	XK_ograve,	XK_oacute,
+	XK_ocircumflex,	XK_otilde,	XK_odiaeresis,	XK_division,
+	XK_oslash,	XK_ugrave,	XK_uacute,	XK_ucircumflex,
+	XK_udiaeresis,	XK_yacute,	XK_thorn,	XK_ydiaeresis
+};
+
+static unsigned char tbl[KD_MAX_WIDTH] = 
+{
+    0,
+    1 << KG_SHIFT,
+    (1 << KG_ALT),
+    (1 << KG_ALT) | (1 << KG_SHIFT)
+};
+
+static void
+readKernelMapping()
+{
+    KeySym	    *k;
+    int		    i, j;
+    struct kbentry  kbe;
+    int		    minKeyCode, maxKeyCode;
+
+    minKeyCode = NR_KEYS;
+    maxKeyCode = 0;
+    k = kdKeymap;
+    for (i = 0; 
+	 i < NR_KEYS && (maxKeyCode - minKeyCode + 1) < KD_MAX_LENGTH; 
+	 ++i)
+    {
+	kbe.kb_index = i;
+
+	for (j = 0; j < KD_MAX_WIDTH; ++j)
+	{
+	    unsigned short kval;
+
+	    k[j] = NoSymbol;
+
+	    kbe.kb_table = tbl[j];
+	    if (ioctl(LinuxConsoleFd, KDGKBENT, &kbe))
+		continue;
+
+	    kval = KVAL(kbe.kb_value);
+	    switch (KTYP(kbe.kb_value))
+	    {
+	    case KT_LATIN:
+	    case KT_LETTER:
+		k[j] = linux_to_x[kval];
+		break;
+
+	    case KT_FN:
+		if (kval <= 19)
+		    k[j] = XK_F1 + kval;
+		else switch (kbe.kb_value)
+		{
+		case K_FIND:
+		    k[j] = XK_Home; /* or XK_Find */
+		    break;
+		case K_INSERT:
+		    k[j] = XK_Insert;
+		    break;
+		case K_REMOVE:
+		    k[j] = XK_Delete;
+		    break;
+		case K_SELECT:
+		    k[j] = XK_End; /* or XK_Select */
+		    break;
+		case K_PGUP:
+		    k[j] = XK_Prior;
+		    break;
+		case K_PGDN:
+		    k[j] = XK_Next;
+		    break;
+		case K_HELP:
+		    k[j] = XK_Help;
+		    break;
+		case K_DO:
+		    k[j] = XK_Execute;
+		    break;
+		case K_PAUSE:
+		    k[j] = XK_Pause;
+		    break;
+		case K_MACRO:
+		    k[j] = XK_Menu;
+		    break;
+		default:
+		    break;
+		}
+		break;
+
+	    case KT_SPEC:
+		switch (kbe.kb_value)
+		{
+		case K_ENTER:
+		    k[j] = XK_Return;
+		    break;
+		case K_BREAK:
+		    k[j] = XK_Break;
+		    break;
+		case K_CAPS:
+		    k[j] = XK_Caps_Lock;
+		    break;
+		case K_NUM:
+		    k[j] = XK_Num_Lock;
+		    break;
+		case K_HOLD:
+		    k[j] = XK_Scroll_Lock;
+		    break;
+		case K_COMPOSE:
+		    k[j] = XK_Multi_key;
+		    break;
+		default:
+		    break;
+		}
+		break;
+
+	    case KT_PAD:
+		switch (kbe.kb_value)
+		{
+		case K_PPLUS:
+		    k[j] = XK_KP_Add;
+		    break;
+		case K_PMINUS:
+		    k[j] = XK_KP_Subtract;
+		    break;
+		case K_PSTAR:
+		    k[j] = XK_KP_Multiply;
+		    break;
+		case K_PSLASH:
+		    k[j] = XK_KP_Divide;
+		    break;
+		case K_PENTER:
+		    k[j] = XK_KP_Enter;
+		    break;
+		case K_PCOMMA:
+		    k[j] = XK_KP_Separator;
+		    break;
+		case K_PDOT:
+		    k[j] = XK_KP_Decimal;
+		    break;
+		case K_PPLUSMINUS:
+		    k[j] = XK_KP_Subtract;
+		    break;
+		default:
+		    if (kval <= 9)
+			k[j] = XK_KP_0 + kval;
+		    break;
+		}
+		break;
+
+		/*
+		 * KT_DEAD keys are for accelerated diacritical creation.
+		 */
+	    case KT_DEAD:
+		switch (kbe.kb_value)
+		{
+		case K_DGRAVE:
+		    k[j] = XK_dead_grave;
+		    break;
+		case K_DACUTE:
+		    k[j] = XK_dead_acute;
+		    break;
+		case K_DCIRCM:
+		    k[j] = XK_dead_circumflex;
+		    break;
+		case K_DTILDE:
+		    k[j] = XK_dead_tilde;
+		    break;
+		case K_DDIERE:
+		    k[j] = XK_dead_diaeresis;
+		    break;
+		}
+		break;
+
+	    case KT_CUR:
+		switch (kbe.kb_value)
+		{
+		case K_DOWN:
+		    k[j] = XK_Down;
+		    break;
+		case K_LEFT:
+		    k[j] = XK_Left;
+		    break;
+		case K_RIGHT:
+		    k[j] = XK_Right;
+		    break;
+		case K_UP:
+		    k[j] = XK_Up;
+		    break;
+		}
+		break;
+
+	    case KT_SHIFT:
+		switch (kbe.kb_value)
+		{
+		case K_ALTGR:
+		    k[j] = XK_Alt_R;
+		    break;
+		case K_ALT:
+		    k[j] = (kbe.kb_index == 0x64 ?
+			  XK_Alt_R : XK_Alt_L);
+		    break;
+		case K_CTRL:
+		    k[j] = (kbe.kb_index == 0x61 ?
+			  XK_Control_R : XK_Control_L);
+		    break;
+		case K_CTRLL:
+		    k[j] = XK_Control_L;
+		    break;
+		case K_CTRLR:
+		    k[j] = XK_Control_R;
+		    break;
+		case K_SHIFT:
+		    k[j] = (kbe.kb_index == 0x36 ?
+			  XK_Shift_R : XK_Shift_L);
+		    break;
+		case K_SHIFTL:
+		    k[j] = XK_Shift_L;
+		    break;
+		case K_SHIFTR:
+		    k[j] = XK_Shift_R;
+		    break;
+		default:
+		    break;
+		}
+		break;
+
+		/*
+		 * KT_ASCII keys accumulate a 3 digit decimal number that gets
+		 * emitted when the shift state changes. We can't emulate that.
+		 */
+	    case KT_ASCII:
+		break;
+
+	    case KT_LOCK:
+		if (kbe.kb_value == K_SHIFTLOCK)
+		    k[j] = XK_Shift_Lock;
+		break;
+
+	    default:
+		break;
+	    }
+	    if (i < minKeyCode)
+		minKeyCode = i;
+	    if (i > maxKeyCode)
+		maxKeyCode = i;
+	}
+
+	if (minKeyCode == NR_KEYS)
+	    continue;
+	
+	if (k[3] == k[2]) k[3] = NoSymbol;
+	if (k[2] == k[1]) k[2] = NoSymbol;
+	if (k[1] == k[0]) k[1] = NoSymbol;
+	if (k[0] == k[2] && k[1] == k[3]) k[2] = k[3] = NoSymbol;
+	if (k[3] == k[0] && k[2] == k[1] && k[2] == NoSymbol) k[3] =NoSymbol;
+
+	k += KD_MAX_WIDTH;
+    }
+    kdMinScanCode = minKeyCode;
+    kdMaxScanCode = maxKeyCode;
+}
+
+void
+LinuxKeyboardLoad (void)
+{
+    readKernelMapping ();
+}
+
+static int		LinuxKbdTrans;
+static struct termios	LinuxTermios;
+
+int
+LinuxKeyboardInit (void)
+{
+    struct termios nTty;
+
+    ioctl (LinuxConsoleFd, KDGKBMODE, &LinuxKbdTrans);
+    tcgetattr (LinuxConsoleFd, &LinuxTermios);
+    
+    ioctl(LinuxConsoleFd, KDSKBMODE, K_MEDIUMRAW);
+    nTty = LinuxTermios;
+    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;
+    cfsetispeed(&nTty, 9600);
+    cfsetospeed(&nTty, 9600);
+    tcsetattr(LinuxConsoleFd, TCSANOW, &nTty);
+    return LinuxConsoleFd;
+}
+
+void
+LinuxKeyboardFini (int fd)
+{
+    ioctl(LinuxConsoleFd, KDSKBMODE, LinuxKbdTrans);
+    tcsetattr(LinuxConsoleFd, TCSANOW, &LinuxTermios);
+}
+
+void
+LinuxKeyboardRead (int fd)
+{
+    unsigned char   buf[256], *b;
+    int		    n;
+
+    while ((n = read (fd, buf, sizeof (buf))) > 0)
+    {
+	b = buf;
+	while (n--)
+	{
+	    KdEnqueueKeyboardEvent (b[0] & 0x7f, b[0] & 0x80);
+	    b++;
+	}
+    }
+}
+
+void
+LinuxKeyboardLeds (int leds)
+{
+    ioctl (LinuxConsoleFd, KDSETLED, leds & 7);
+}
+
+void
+LinuxKeyboardBell (int volume, int pitch, int duration)
+{
+    if (volume && pitch)
+    {
+	ioctl(LinuxConsoleFd, KDMKTONE,
+	      ((1193190 / pitch) & 0xffff) |
+	      (((unsigned long)duration *
+		volume / 50) << 16));
+
+    }
+}
+
+KdKeyboardFuncs	LinuxKeyboardFuncs = {
+    LinuxKeyboardLoad,
+    LinuxKeyboardInit,
+    LinuxKeyboardRead,
+    LinuxKeyboardLeds,
+    LinuxKeyboardBell,
+    LinuxKeyboardFini,
+    3,
+};
diff --git a/hw/kdrive/linux/linux.c b/hw/kdrive/linux/linux.c
new file mode 100644
index 000000000..68aa686df
--- /dev/null
+++ b/hw/kdrive/linux/linux.c
@@ -0,0 +1,329 @@
+/*
+ * $Id$
+ *
+ * Copyright © 1999 Keith Packard
+ *
+ * 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 Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+
+#include "kdrive.h"
+#include <errno.h>
+#include <signal.h>
+#include <linux/vt.h>
+#include <linux/kd.h>
+#include <sys/stat.h>
+#include <keysym.h>
+
+static int  vtno;
+int  LinuxConsoleFd;
+static int  activeVT;
+static Bool enabled;
+
+void
+LinuxVTRequest (int sig)
+{
+    kdSwitchPending = TRUE;
+}
+
+/* Check before chowning -- this avoids touching the file system */
+void
+LinuxCheckChown (char *file)
+{
+    struct stat	    st;
+    __uid_t	    u;
+    __gid_t	    g;
+
+    if (stat (file, &st) < 0)
+	return;
+    u = getuid ();
+    g = getgid ();
+    if (st.st_uid != u || st.st_gid != g)
+	chown (file, u, g);
+}
+
+int
+LinuxInit ()
+{
+    int i, fd;
+    char vtname[11];
+    struct vt_stat vts;
+    struct stat	statb;
+
+    LinuxConsoleFd = -1;
+    /* check if we're run with euid==0 */
+    if (geteuid() != 0)
+    {
+	FatalError("LinuxInit: Server must be suid root\n");
+    }
+
+    if ((fd = open("/dev/tty0",O_WRONLY,0)) < 0) 
+    {
+	FatalError(
+	    "LinuxInit: Cannot open /dev/tty0 (%s)\n",
+	    strerror(errno));
+    }
+    if ((ioctl(fd, VT_OPENQRY, &vtno) < 0) ||
+	(vtno == -1))
+    {
+	FatalError("xf86OpenConsole: Cannot find a free VT\n");
+    }
+    close(fd);
+
+/*    ErrorF("(using VT number %d)\n\n", vtno); */
+
+    sprintf(vtname,"/dev/tty%d",vtno); /* /dev/tty1-64 */
+
+    if ((LinuxConsoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) < 0)
+    {
+	FatalError("LinuxInit: Cannot open %s (%s)\n",
+		   vtname, strerror(errno));
+    }
+
+    /* change ownership of the vt */
+    LinuxCheckChown (vtname);
+
+    /*
+     * the current VT device we're running on is not "console", we want
+     * to grab all consoles too
+     *
+     * Why is this needed?
+     */
+    LinuxCheckChown ("/dev/tty0");
+    /*
+     * Linux doesn't switch to an active vt after the last close of a vt,
+     * so we do this ourselves by remembering which is active now.
+     */
+    if (ioctl(LinuxConsoleFd, VT_GETSTATE, &vts) == 0)
+    {
+	activeVT = vts.v_active;
+    }
+
+    return 1;
+}
+
+Bool
+LinuxFindPci (CARD16 vendor, CARD16 device, CARD32 count, KdCardAttr *attr)
+{
+    FILE    *f;
+    char    line[2048], *l, *end;
+    CARD32  bus, id, mode, addr;
+    int	    n;
+    CARD32  ven_dev;
+    Bool    ret = FALSE;
+    int	    i;
+
+    ven_dev = (((CARD32) vendor) << 16) | ((CARD32) device);
+    f = fopen ("/proc/bus/pci/devices", "r");
+    if (!f)
+	return FALSE;
+    attr->io = 0;
+    while (fgets (line, sizeof (line)-1, f))
+    {
+	line[sizeof(line)-1] = '\0';
+	l = line;
+	bus = strtoul (l, &end, 16);
+	if (end == l)
+	    continue;
+	l = end;
+	id = strtoul (l, &end, 16);
+	if (end == l)
+	    continue;
+	l = end;
+	if (id != ven_dev)
+	    continue;
+	if (count--)
+	    continue;
+	(void) strtoul (l, &end, 16);
+	if (end == l)
+	    continue;
+	l = end;
+	n = 0;
+	for (i = 0; i < 6; i++)
+	{
+	    addr = strtoul (l, &end, 16);
+	    if (end == l)
+		break;
+	    if (addr & 1)
+		attr->io = addr & ~0xf;
+	    else
+	    {
+		if (n == KD_MAX_CARD_ADDRESS)
+		    break;
+		attr->address[n++] = addr & ~0xf;
+	    }
+	    l = end;
+	}
+	while (n > 0)
+	{
+	    if (attr->address[n-1] != 0)
+		break;
+	    n--;
+	}
+	attr->naddr = n;
+	ret = TRUE;
+	break;
+    }
+    fclose (f);
+    return ret;
+}
+
+void
+LinuxEnable (void)
+{
+    struct sigaction	act;
+    struct vt_mode	VT;
+    
+    if (enabled)
+	return;
+    if (kdSwitchPending)
+    {
+	kdSwitchPending = FALSE;
+	ioctl (LinuxConsoleFd, VT_RELDISP, VT_ACKACQ);
+    }
+    /*
+     * now get the VT
+     */
+    if (ioctl(LinuxConsoleFd, VT_ACTIVATE, vtno) != 0)
+    {
+	ErrorF("LinuxInit: VT_ACTIVATE failed\n");
+    }
+    if (ioctl(LinuxConsoleFd, VT_WAITACTIVE, vtno) != 0)
+    {
+	ErrorF("LinuxInit: VT_WAITACTIVE failed\n");
+    }
+    if (ioctl(LinuxConsoleFd, VT_GETMODE, &VT) < 0) 
+    {
+	FatalError ("LinuxInit: VT_GETMODE failed\n");
+    }
+
+    act.sa_handler = LinuxVTRequest;
+    sigemptyset (&act.sa_mask);
+    act.sa_flags = 0;
+    act.sa_restorer = 0;
+    sigaction (SIGUSR1, &act, 0);
+
+    VT.mode = VT_PROCESS;
+    VT.relsig = SIGUSR1;
+    VT.acqsig = SIGUSR1;
+    if (ioctl(LinuxConsoleFd, VT_SETMODE, &VT) < 0) 
+    {
+	FatalError("LinuxInit: VT_SETMODE VT_PROCESS failed\n");
+    }
+    if (ioctl(LinuxConsoleFd, KDSETMODE, KD_GRAPHICS) < 0)
+    {
+	FatalError("LinuxInit: KDSETMODE KD_GRAPHICS failed\n");
+    }
+    enabled = TRUE;
+}
+
+Bool
+LinuxSpecialKey (KeySym sym)
+{
+    struct vt_stat  vts;
+    int		    con;
+    
+    if (XK_F1 <= sym && sym <= XK_F12)
+    {
+	con = sym - XK_F1 + 1;
+	ioctl (LinuxConsoleFd, VT_GETSTATE, &vts);
+	if (con != vts.v_active && (vts.v_state & (1 << con)))
+	{
+	    ioctl (LinuxConsoleFd, VT_ACTIVATE, con);
+	    return TRUE;
+	}
+    }
+    return FALSE;
+}
+
+void
+LinuxDisable (void)
+{
+    ioctl(LinuxConsoleFd, KDSETMODE, KD_TEXT);  /* Back to text mode ... */
+    if (kdSwitchPending)
+    {
+	kdSwitchPending = FALSE;
+	ioctl (LinuxConsoleFd, VT_RELDISP, 1);
+    }
+    enabled = FALSE;
+}
+
+void
+LinuxFini (void)
+{
+    struct vt_mode   VT;
+    struct vt_stat  vts;
+    int		    fd;
+
+    if (LinuxConsoleFd < 0)
+	return;
+
+    if (ioctl(LinuxConsoleFd, VT_GETMODE, &VT) != -1)
+    {
+	VT.mode = VT_AUTO;
+	ioctl(LinuxConsoleFd, VT_SETMODE, &VT); /* set dflt vt handling */
+    }
+    ioctl (LinuxConsoleFd, VT_GETSTATE, &vts);
+    /*
+     * Find a legal VT to switch to, either the one we started from
+     * or the lowest active one that isn't ours
+     */
+    if (activeVT < 0 || 
+	activeVT == vts.v_active || 
+	!(vts.v_state & (1 << activeVT)))
+    {
+	for (activeVT = 1; activeVT < 16; activeVT++)
+	    if (activeVT != vtno && (vts.v_state & (1 << activeVT)))
+		break;
+	if (activeVT == 16)
+	    activeVT = -1;
+    }
+    /*
+     * Perform a switch back to the active VT when we were started
+     */
+    if (activeVT >= -1)
+    {
+	ioctl (LinuxConsoleFd, VT_ACTIVATE, activeVT);
+	ioctl (LinuxConsoleFd, VT_WAITACTIVE, activeVT);
+	activeVT = -1;
+    }
+    close(LinuxConsoleFd);                /* make the vt-manager happy */
+    fd = open ("/dev/tty0", O_RDWR|O_NDELAY, 0);
+    if (fd >= 0)
+    {
+	ioctl (fd, VT_GETSTATE, &vts);
+	if (ioctl (fd, VT_DISALLOCATE, vtno) < 0)
+	    fprintf (stderr, "Can't deallocate console %d errno %d\n", vtno, errno);
+	close (fd);
+    }
+    return;
+}
+
+KdOsFuncs   LinuxFuncs = {
+    LinuxInit,
+    LinuxEnable,
+    LinuxSpecialKey,
+    LinuxDisable,
+    LinuxFini,
+};
+
+void
+OsVendorInit (void)
+{
+    KdOsInit (&LinuxFuncs);
+}
diff --git a/hw/kdrive/linux/ps2.c b/hw/kdrive/linux/ps2.c
new file mode 100644
index 000000000..efb541430
--- /dev/null
+++ b/hw/kdrive/linux/ps2.c
@@ -0,0 +1,131 @@
+/*
+ * $Id$
+ *
+ * Copyright © 1999 Keith Packard
+ *
+ * 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 Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+
+#define NEED_EVENTS
+#include "X.h"
+#include "Xproto.h"
+#include "inputstr.h"
+#include "scrnintstr.h"
+#include "kdrive.h"
+#include "Xpoll.h"
+
+int
+Ps2ReadBytes (int fd, char *buf, int len, int min)
+{
+    int		    n, tot;
+    fd_set	    set;
+    struct timeval  tv;
+
+    tot = 0;
+    while (len)
+    {
+	n = read (fd, buf, len);
+	if (n > 0)
+	{
+	    tot += n;
+	    buf += n;
+	    len -= n;
+	}
+	if (tot % min == 0)
+	    break;
+	FD_ZERO (&set);
+	FD_SET (fd, &set);
+	tv.tv_sec = 0;
+	tv.tv_usec = 100 * 1000;
+	n = select (fd + 1, &set, 0, 0, &tv);
+	if (n <= 0)
+	    break;
+    }
+    return tot;
+}
+
+void
+Ps2Read (int ps2Port)
+{
+    unsigned char   buf[3 * 200];
+    unsigned char   *b;
+    int		    n;
+    int		    dx, dy;
+    unsigned long   flags;
+
+    while ((n = Ps2ReadBytes (ps2Port, buf, sizeof (buf), 3)) > 0)
+    {
+	b = buf;
+	while (n >= 3)
+	{
+	    flags = KD_MOUSE_DELTA;
+	    if (b[0] & 4)
+		flags |= KD_BUTTON_2;
+	    if (b[0] & 2)
+		flags |= KD_BUTTON_3;
+	    if (b[0] & 1)
+		flags |= KD_BUTTON_1;
+	    
+	    dx = b[1];
+	    if (b[0] & 0x10)
+		dx -= 256;
+	    dy = b[2];
+	    if (b[0] & 0x20)
+		dy -= 256;
+	    dy = -dy;
+	    n -= 3;
+	    b += 3;
+	    KdEnqueueMouseEvent (flags, dx, dy);
+	}
+    }
+}
+
+char	*Ps2Names[] = {
+    "/dev/psaux",
+    "/dev/mouse",
+};
+
+#define NUM_PS2_NAMES	(sizeof (Ps2Names) / sizeof (Ps2Names[0]))
+
+int
+Ps2Init (void)
+{
+    int	    i;
+    int	    ps2Port;
+
+    for (i = 0; i < NUM_PS2_NAMES; i++)
+    {
+	ps2Port = open (Ps2Names[i], 0);
+	if (ps2Port >= 0)
+	    return ps2Port;
+    }
+}
+
+void
+Ps2Fini (int ps2Port)
+{
+    if (ps2Port >= 0)
+	close (ps2Port);
+}
+
+KdMouseFuncs Ps2MouseFuncs = {
+    Ps2Init,
+    Ps2Read,
+    Ps2Fini
+};