Remove PC98 support.

Gaetan Nadon wrote:

    Alan Coopersmith wrote:

    "I think we recently dropped PC98 support from the X server, so I'd
    be okay with dropping the documentation now".

Let's make them be right, shall we?

Signed-off-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
Acked-by: Gaetan Nadon <memsize@videotron.ca>
Acked-by: Alan Coopersmith <alan.coopersmith@oracle.com>

configure.ac

@@ -582,9 +582,6 @@ AC_ARG_ENABLE(install-libxf86config,
 AC_ARG_ENABLE(visibility,     AC_HELP_STRING([--enable-visibility], [Enable symbol visibility (default: auto)]),
 				[SYMBOL_VISIBILITY=$enableval],
 				[SYMBOL_VISIBILITY=auto])
-AC_ARG_ENABLE(pc98,     	AC_HELP_STRING([--enable-pc98], [Enable PC98 support in Xorg (default: auto)]),
-				[SUPPORT_PC98=$enableval],
-				[SUPPORT_PC98=auto])
 
 dnl GLX build options
 AC_ARG_ENABLE(aiglx,          AS_HELP_STRING([--enable-aiglx], [Build accelerated indirect GLX (default: enabled)]),
@@ -1654,9 +1651,6 @@ if test "x$XORG" = xyes; then
 			XORG_CFLAGS="${XORG_CFLAGS} "'$(SOLARIS_ASM_CFLAGS)'
 		fi
 		AC_SUBST([SOLARIS_ASM_CFLAGS])
-		if test "x$SUPPORT_PC98" = xauto; then
-			SUPPORT_PC98="no"
-		fi
 		;;
 	  gnu*)
 		XORG_OS_SUBDIR="hurd"
@@ -1679,18 +1673,9 @@ if test "x$XORG" = xyes; then
 		xorg_bus_sparc="yes"
 		;;
 	  i*86)
-		if test "x$SUPPORT_PC98" = xauto; then
-			SUPPORT_PC98="yes"
-		fi
 		;;
 	esac
 
-	if test "x$SUPPORT_PC98" = xauto; then
-		SUPPORT_PC98="no"
-	fi
-	if test "x$SUPPORT_PC98" = xyes; then
-		AC_DEFINE(SUPPORT_PC98, 1, [Support PC98])
-	fi
 	if test "x$DGA" = xauto; then
 		PKG_CHECK_MODULES(DGA, $DGAPROTO, [DGA=yes], [DGA=no])
 	fi

hw/xfree86/common/xf86.h

@@ -263,7 +263,6 @@ extern _X_EXPORT Bool xf86GetVidModeEnabled(void);
 extern _X_EXPORT Bool xf86GetModInDevAllowNonLocal(void);
 extern _X_EXPORT Bool xf86GetModInDevEnabled(void);
 extern _X_EXPORT Bool xf86GetAllowMouseOpenFail(void);
-extern _X_EXPORT Bool xf86IsPc98(void);
 extern _X_EXPORT void xf86DisableRandR(void);
 extern _X_EXPORT CARD32 xorgGetVersion(void);
 extern _X_EXPORT CARD32 xf86GetModuleVersion(pointer module);

hw/xfree86/common/xf86Config.c

@@ -676,7 +676,6 @@ typedef enum {
     FLAG_DPMS_SUSPENDTIME,
     FLAG_DPMS_OFFTIME,
     FLAG_PIXMAP,
-    FLAG_PC98,
     FLAG_NOPM,
     FLAG_XINERAMA,
     FLAG_LOG,
@@ -724,8 +723,6 @@ static OptionInfoRec FlagOptions[] = {
 	{0}, FALSE },
   { FLAG_PIXMAP,		"Pixmap",			OPTV_INTEGER,
 	{0}, FALSE },
-  { FLAG_PC98,			"PC98",				OPTV_BOOLEAN,
-	{0}, FALSE },
   { FLAG_NOPM,			"NoPM",				OPTV_BOOLEAN,
 	{0}, FALSE },
   { FLAG_XINERAMA,		"Xinerama",			OPTV_BOOLEAN,
@@ -756,21 +753,6 @@ static OptionInfoRec FlagOptions[] = {
 	{0}, FALSE },
 };
 
-#ifdef SUPPORT_PC98
-static Bool
-detectPC98(void)
-{
-    unsigned char buf[2];
-
-    if (xf86ReadBIOS(0xf8000, 0xe80, buf, 2) != 2)
-	return FALSE;
-    if ((buf[0] == 0x98) && (buf[1] == 0x21))
-	return TRUE;
-    else
-	return FALSE;
-}
-#endif
-
 static Bool
 configServerFlags(XF86ConfFlagsPtr flagsconf, XF86OptionPtr layoutopts)
 {
@@ -1026,18 +1008,6 @@ configServerFlags(XF86ConfFlagsPtr flagsconf, XF86OptionPtr layoutopts)
 	xf86Info.pixmap24 = Pix24DontCare;
 	xf86Info.pix24From = X_DEFAULT;
     }
-#ifdef SUPPORT_PC98
-    if (xf86GetOptValBool(FlagOptions, FLAG_PC98, &value)) {
-	xf86Info.pc98 = value;
-	if (value) {
-	    xf86Msg(X_CONFIG, "Japanese PC98 architecture\n");
-	}
-    } else
-	if (detectPC98()) {
-	    xf86Info.pc98 = TRUE;
-	    xf86Msg(X_PROBED, "Japanese PC98 architecture\n");
-	}
-#endif
 
 #ifdef PANORAMIX
     from = X_DEFAULT;

hw/xfree86/common/xf86Globals.c

@@ -119,9 +119,6 @@ xf86InfoRec xf86Info = {
     .miscModInDevAllowNonLocal  = FALSE,
     .pixmap24                   = Pix24DontCare,
     .pix24From                  = X_DEFAULT,
-#ifdef SUPPORT_PC98
-    .pc98                       = FALSE,
-#endif
     .pmFlag                     = TRUE,
     .log                        = LogNone,
     .disableRandR               = FALSE,

hw/xfree86/common/xf86Helper.c

@@ -1583,16 +1583,6 @@ xf86GetAllowMouseOpenFail(void)
 }
 
 
-Bool
-xf86IsPc98(void)
-{
-#if SUPPORT_PC98
-    return xf86Info.pc98;
-#else
-    return FALSE;
-#endif
-}
-
 void
 xf86DisableRandR(void)
 {

hw/xfree86/common/xf86Privstr.h

@@ -91,9 +91,6 @@ typedef struct {
 						   input device events */
     Pix24Flags		pixmap24;
     MessageType		pix24From;
-#ifdef SUPPORT_PC98
-    Bool		pc98;
-#endif
     Bool		pmFlag;
     Log			log;
     Bool		disableRandR;

hw/xfree86/int10/helper_exec.c

@@ -347,7 +347,7 @@ x_inw(CARD16 port)
 	struct timeval tv;
 
 	/*
-	 * Emulate a PC98's timer.  Typical resolution is 3.26 usec.
+	 * Emulate a PC's timer.  Typical resolution is 3.26 usec.
 	 * Approximate this by dividing by 3.
 	 */
 	X_GETTIMEOFDAY(&tv);

hw/xfree86/int10/helper_mem.c

@@ -241,9 +241,6 @@ int10_check_bios(int scrnIndex, int codeSeg, const unsigned char* vbiosMem)
 	((codeSeg << 4) >= SYS_SIZE))
 	return FALSE;
 
-    if (xf86IsPc98())
-	return FALSE;
-
     if ((*vbiosMem != 0x55) || (*(vbiosMem+1) != 0xAA) || !*(vbiosMem+2))
 	return FALSE;
 

hw/xfree86/man/xorg.conf.man

@@ -634,12 +634,6 @@ are 24 and 32.
 Default: 32 unless driver constraints don't allow this (which is rare).
 Note: some clients don't behave well when this value is set to 24.
 .TP 7
-.BI "Option \*qPC98\*q  \*q" boolean \*q
-Specify that the machine is a Japanese PC\-98 machine.
-This should not be enabled for anything other than the Japanese\-specific
-PC\-98 architecture.
-Default: auto\-detected.
-.TP 7
 .BI "Option \*qNoPM\*q  \*q" boolean \*q
 Disables something to do with power management events.
 Default: PM enabled on platforms that support it.

include/xorg-config.h.in

@@ -136,9 +136,6 @@
 /* Use SIGIO handlers for input device events by default */
 #undef USE_SIGIO_BY_DEFAULT
 
-/* Support PC98 */
-#undef SUPPORT_PC98
-
 /* Build with libdrm support */
 #undef WITH_LIBDRM