Re: [PATCH] m68k,m68knommu: merge header files

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On Sat, 13 Dec 2008, Sam Ravnborg wrote:
> >From 5a8b9717a399679c4753e596ea864b02a1197025 Mon Sep 17 00:00:00 2001
> From: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Date: Sat, 13 Dec 2008 21:23:08 +0100
> Subject: [PATCH] m68k,m68knommu: merge header files
> 
> Merge header files for m68k and m68knommu to the single location:
> 
>     arch/m68k/include/asm
> 
> The majority of this patch was the result of the
> script that is included in the changelog below.
> 
> The script was originally written by Arnd Bergman and
                                            ^^^^^^^
					    Bergmann
> exten by me to cover a few more files.
  ^^^^^
  extended

> When the header files differed the script uses the following:
> 
> The original m68k file is named <file>_mm.h  [mm for memory manager]
> The m68knommu file is named <file>_no.h [no for no memory manager]
> 
> The files uses the following include guard:
> 
> This include gaurd works as the m68knommu toolchain set
               ^^^^^
	       guard
> the __uClinux__ symbol - so this should work in userspace too.
> 
> Merging the header files for m68k and m68knommu exposes the
> (unexpected?) ABI differences thus it is easier to actually
> identify these and thus to fix them.
> 
> The commit has been build tested with both a m68k and
> a m68knommu toolchain - with success.
> 
> The commit has also been tested with "make headers_check"
> and this patch fixes make headers_check for m68knommu.
> 
> The script used:
> TARGET=arch/m68k/include/asm
> SOURCE=arch/m68knommu/include/asm
> 
> INCLUDE="cachectl.h errno.h fcntl.h hwtest.h ioctls.h ipcbuf.h \
> linkage.h math-emu.h md.h mman.h movs.h msgbuf.h openprom.h \
> oplib.h poll.h posix_types.h resource.h rtc.h sembuf.h shmbuf.h \
> shm.h shmparam.h socket.h sockios.h spinlock.h statfs.h stat.h \
> termbits.h termios.h tlb.h types.h user.h"
> 
> EQUAL="auxvec.h cputime.h device.h emergency-restart.h futex.h \
> ioctl.h irq_regs.h kdebug.h local.h mutex.h percpu.h \
> sections.h topology.h"
> 
> NOMUUFILES="anchor.h bootstd.h coldfire.h commproc.h dbg.h \
  ^^^^^^^^^^
  NOMMUFILES (as the same typo is present in the other parts of the script
              it still worked ;-)

> elia.h flat.h m5206sim.h m520xsim.h m523xsim.h m5249sim.h \
> m5272sim.h m527xsim.h m528xsim.h m5307sim.h m532xsim.h \
> m5407sim.h m68360_enet.h m68360.h m68360_pram.h m68360_quicc.h \
> m68360_regs.h MC68328.h MC68332.h MC68EZ328.h MC68VZ328.h \
> mcfcache.h mcfdma.h mcfmbus.h mcfne.h mcfpci.h mcfpit.h \
> mcfsim.h mcfsmc.h mcftimer.h mcfuart.h mcfwdebug.h \
> nettel.h quicc_simple.h smp.h"
> 
> FILES="atomic.h bitops.h bootinfo.h bug.h bugs.h byteorder.h cache.h \
> cacheflush.h checksum.h current.h delay.h div64.h \
> dma-mapping.h dma.h elf.h entry.h fb.h fpu.h hardirq.h hw_irq.h io.h \
> irq.h kmap_types.h machdep.h mc146818rtc.h mmu.h mmu_context.h \
> module.h page.h page_offset.h param.h pci.h pgalloc.h \
> pgtable.h processor.h ptrace.h scatterlist.h segment.h \
> setup.h sigcontext.h siginfo.h signal.h string.h system.h \
> thread_info.h timex.h tlbflush.h traps.h uaccess.h ucontext.h \
> unaligned.h unistd.h"
> 
> mergefile() {
> 	BASE=${1%.h}
> 	git mv ${SOURCE}/$1 ${TARGET}/${BASE}_no.h
> 	git mv ${TARGET}/$1 ${TARGET}/${BASE}_mm.h
> 
> cat << EOF > ${TARGET}/$1
> EOF
> 
> 	git add ${TARGET}/$1
> }
> 
> set -e
> 
> mkdir -p ${TARGET}
> 
> git mv include/asm-m68k/* ${TARGET}
> rmdir include/asm-m68k
> 
> git rm ${SOURCE}/Kbuild
> for F in $INCLUDE $EQUAL; do
> 	git rm ${SOURCE}/$F
> done
> 
> for F in $NOMUUFILES; do
> 	git mv ${SOURCE}/$F ${TARGET}/$F
> done
> 
> for F in $FILES ; do
> 	mergefile $F
> done
> 
> rmdir arch/m68knommu/include/asm
> rmdir arch/m68knommu/include
> 
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Greg Ungerer <gerg@xxxxxxxxxxx>
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>

m68k-bits are
Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

Thanks a lot, Arnd, Sam!

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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