linux-kernel - [PATCH 0/1] m68k: merge m68k and m68knommu arch directories

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Message-ID: <1300768985-902-1-git-send-email-gerg@snapgear.com>
Date:	Tue, 22 Mar 2011 14:43:04 +1000
From:	<gerg@...pgear.com>
To:	<linux-m68k@...r.kernel.org>, <uclinux-dev@...inux.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 0/1] m68k: merge m68k and m68knommu arch directories


The following patch merges the m68k and m68knommu arch directories.
This patch has been trimmed for review purposes - the automated file
moving and mergeing carried out by the script contained in this email
has been removed. Only the manually required changes after running the
script are shown as the patch. (So to end up with the final required
change you need to run this script then apply the patch).

This change is available as the only commit on the m68knommu git tree,
for-linux branch:

The following changes since commit a952baa034ae7c2e4a66932005cbc7ebbccfe28d:
  Linus Torvalds (1):
        Merge branch 'for-linus' of git://git.kernel.org/.../dtor/input

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu.git for-linus

Greg Ungerer (1):
      m68k: merge m68k and m68knommu arch directories


It is also on the for-next branch in that tree, so will get some testing
in the next tree for the next few days.

I have done some testing on both MMU and non-MMU targets, and they
worked fine. I tried a few ColdFire non-MMU builds, and I built and
ran the Atari target in the AranyM emulator. Other than some option
re-ordering the configs produced are the same.

If everyone is happy I would like to ask Linus to pull this before the
end of the current merge window.

Regards
Greg


-----

#!/bin/bash

mergefile() {
	BASE=${1%.?}
	EXT=${1#${BASE}}
	git mv ${TARGET}/$1 ${TARGET}/${BASE}_mm${EXT}
	git mv ${SOURCE}/$1 ${TARGET}/${BASE}_no${EXT}
	cat <<-EOF > ${TARGET}/$1
	#ifdef CONFIG_MMU
	#include "${BASE}_mm${EXT}"
	#else
	#include "${BASE}_no${EXT}"
	#endif
	EOF
	git add ${TARGET}/$1
}

mergedir() {
	TARGET=arch/m68k/$1
	SOURCE=arch/m68knommu/$1
	files=${1}_MERGE_FILES
	MERGE_FILES=${!files}

	echo "merging files in $1"
	for F in $MERGE_FILES ; do
		mergefile $F
	done

	files=${1}_NOMERGE_FILES
	NOMERGE_FILES=${!files}

	echo "moving files in $1"
	for F in $NOMERGE_FILES ; do
		git mv ${SOURCE}/$F ${TARGET}/$F
	done

	files=${1}_REMOVE_FILES
	REMOVE_FILES=${!files}

	echo "removing common files in $1"
	for F in $REMOVE_FILES ; do
		git rm ${SOURCE}/$F
	done

	if [ -e ${SOURCE}/Makefile ]; then
		git mv ${TARGET}/Makefile ${TARGET}/Makefile_mm
		git mv ${SOURCE}/Makefile ${TARGET}/Makefile_no
		cat <<-EOF > ${TARGET}/Makefile
		ifdef CONFIG_MMU
		include ${TARGET}/Makefile_mm
		else
		include ${TARGET}/Makefile_no
		endif
		EOF
		git add ${TARGET}/Makefile
	fi
}

configs_MERGE_FILES=""
configs_NOMERGE_FILES="m5208evb_defconfig \
			m5272c3_defconfig \
			m5307c3_defconfig \
			m5249evb_defconfig \
			m5275evb_defconfig \
			m5407c3_defconfig"
configs_REMOVE_FILES=""
kernel_MERGE_FILES="asm-offsets.c \
			dma.c entry.S \
			m68k_ksyms.c \
			module.c \
			process.c \
			ptrace.c \
			setup.c \
			signal.c \
			sys_m68k.c \
			time.c \
			traps.c \
			vmlinux.lds.S"
kernel_NOMERGE_FILES="init_task.c \
			irq.c \
			syscalltable.S"
kernel_REMOVE_FILES=""
lib_MERGE_FILES="checksum.c \
			muldi3.c"
lib_NOMERGE_FILES="delay.c \
			divsi3.S \
			memcpy.c \
			memmove.c \
			memset.c \
			modsi3.S \
			mulsi3.S \
			udivsi3.S \
			umodsi3.S"
lib_REMOVE_FILES="ashldi3.c \
			ashrdi3.c \
			lshrdi3.c"
mm_MERGE_FILES="init.c kmap.c"
mm_NOMERGE_FILES=""
mm_REMOVE_FILES=""

DIRS="configs kernel lib mm"

echo "STARTing merge"
for dir in $DIRS ; do
	echo "merging $dir..."
	mergedir $dir
done
echo "moving platform"
git mv arch/m68knommu/platform arch/m68k/
git rm arch/m68knommu/defconfig

echo "merging master Makefile"
git mv arch/m68k/Makefile arch/m68k/Makefile_mm
git mv arch/m68knommu/Makefile arch/m68k/Makefile_no
cat <<-EOF > arch/m68k/Makefile
ifdef CONFIG_MMU
include arch/m68k/Makefile_mm
else
include arch/m68k/Makefile_no
endif
EOF
git add arch/m68k/Makefile

echo "removing remaining m68knommu dirs"
git rm -r arch/m68knommu
rm -r arch/m68knommu
exit 0

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