Remove pc98 support completely.

I thank all developers and contributors for pc98.

Relnotes:	yes

Makefile

@@ -236,7 +236,7 @@ _MAKE+=	MK_META_MODE=no
 
 # Guess machine architecture from machine type, and vice versa.
 .if !defined(TARGET_ARCH) && defined(TARGET)
-_TARGET_ARCH=	${TARGET:S/pc98/i386/:S/arm64/aarch64/}
+_TARGET_ARCH=	${TARGET:S/arm64/aarch64/}
 .elif !defined(TARGET) && defined(TARGET_ARCH) && \
     ${TARGET_ARCH} != ${MACHINE_ARCH}
 _TARGET=		${TARGET_ARCH:C/mips(n32|64)?(el)?(hf)?/mips/:C/arm(v6)?(eb)?/arm/:C/aarch64/arm64/:C/powerpc64/powerpc/:C/powerpcspe/powerpc/:C/riscv64(sf)?/riscv/}
@@ -417,13 +417,12 @@ worlds: .PHONY
 # existing system is.
 #
 .if make(universe) || make(universe_kernels) || make(tinderbox) || make(targets)
-TARGETS?=amd64 arm arm64 i386 mips pc98 powerpc sparc64
+TARGETS?=amd64 arm arm64 i386 mips powerpc sparc64
 _UNIVERSE_TARGETS=	${TARGETS}
 TARGET_ARCHES_arm?=	arm armeb armv6
 TARGET_ARCHES_arm64?=	aarch64
 TARGET_ARCHES_mips?=	mipsel mips mips64el mips64 mipsn32 mipselhf mipshf mips64elhf mips64hf
 TARGET_ARCHES_powerpc?=	powerpc powerpc64 powerpcspe
-TARGET_ARCHES_pc98?=	i386
 .for target in ${TARGETS}
 TARGET_ARCHES_${target}?= ${target}
 .endfor

Makefile.inc1

@@ -349,7 +349,6 @@ KNOWN_ARCHES?=	aarch64/arm64 \
 		armeb/arm \
 		armv6/arm \
 		i386 \
-		i386/pc98 \
 		mips \
 		mipsel/mips \
 		mips64el/mips \

ObsoleteFiles.inc

@@ -38,6 +38,17 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20170128: remove pc98 support
+OLD_FILES+=usr/include/dev/ic/i8251.h
+OLD_FILES+=usr/include/dev/ic/wd33c93reg.h
+OLD_FILES+=usr/include/sys/disk/pc98.h
+OLD_FILES+=usr/include/sys/diskpc98.h
+OLD_FILES+=usr/share/man/man4/i386/ct.4.gz
+OLD_FILES+=usr/share/man/man4/i386/snc.4.gz
+OLD_FILES+=usr/share/syscons/keymaps/jp.pc98.iso.kbd
+OLD_FILES+=usr/share/syscons/keymaps/jp.pc98.kbd
+OLD_FILES+=usr/share/vt/keymaps/jp.pc98.iso.kbd
+OLD_FILES+=usr/share/vt/keymaps/jp.pc98.kbd
 # 20170110: Four files from ggate tests consolidated into one
 OLD_FILES+=usr/tests/sys/geom/class/gate/1_test
 OLD_FILES+=usr/tests/sys/geom/class/gate/2_test

etc/rc.d/syscons

@@ -112,7 +112,6 @@ icelandic.iso)			echo is;;
 it.iso)				echo it;;
 jp.106x)			echo jp.capsctrl;;
 jp.106)				echo jp;;
-#?? jp.pc98.iso)		echo jp.pc98;;
 kk.pt154.io)			echo kz.io;;
 kk.pt154.kst)			echo kz.kst;;
 latinamerican.iso.acc)		echo latinamerican.acc;;

lib/libsysdecode/Makefile

@@ -120,7 +120,7 @@ tables.h: mktables
 ioctl.c: .PHONY
 .endif
 ioctl.c: mkioctls .META
-	env MACHINE=${MACHINE} CPP="${CPP}" \
+	env CPP="${CPP}" \
 		/bin/sh ${.CURDIR}/mkioctls ${DESTDIR}${INCLUDEDIR} > ${.TARGET}
 
 beforedepend: ioctl.c tables.h

lib/libsysdecode/mkioctls

@@ -24,15 +24,7 @@ ioctl_includes=$(
 		awk '{printf("#include <%s>\\n", $1)}'
 )
 
-: ${MACHINE=$(uname -m)}
-case "${MACHINE}" in
-*pc98*)
-	ioctl_includes="$ioctl_includes#include <sys/diskpc98.h>\\n"
-	;;
-*)
-	ioctl_includes="$ioctl_includes#include <sys/diskmbr.h>\\n"
-	;;
-esac
+ioctl_includes="$ioctl_includes#include <sys/diskmbr.h>\\n"
 
 awk -v x="$ioctl_includes" 'BEGIN {print x}' |
 	$CPP -nostdinc -I$includedir -dM -DCOMPAT_43TTY - |

release/doc/README

@@ -99,7 +99,7 @@ element will be included.  For example:
 
 	<para arch="sparc64">SPARC64-specific text</para>
 
-The currently-supported architectures are amd64, arm, i386, pc98,
+The currently-supported architectures are amd64, arm, i386,
 powerpc and sparc64.  An element may appear for multiple architectures
 by specifying a comma-separated list of architectures
 (i.e. arch="sparc64,amd64").