#!/bin/rc

rfork n

whatis sdiff >/dev/null >[2=1]
if(! ~ $status '')
	echo sdiff not found

if(! test -d /n/sources/plan9)
	9fs sources

#uri=http://mirror.9grid.fr/mirror.9grid.fr/9atom-2012-12-27/atom.mkfs.bz2
#iso=/tmp/atom.mkfs
uri=http://mirror.9grid.fr/mirror.9grid.fr/9atom-2012-01-13/9atom.iso.bz2
iso=/tmp/9atom.iso

if(! test -f $iso)
	hget $uri | bunzip2 > $iso

#mkdir /tmp/9atom
#disk/mkext -d /tmp/9atom < $iso
#bind -c /tmp/9atom /n/9660

rm -f /srv/9660
9660srv -f $iso >/dev/null >[2=1]
mount /srv/9660 /n/9660

sdiff -r /n/9660 /n/9660/sys/src/9/pc/etherbcm.c >pc-etherbcm.diff
sdiff -r /n/9660 /n/9660/sys/src/9/pc/etheryuk.c /n/9660/sys/src/9/pc/yukdump.h >pc-etheryuk.diff
sdiff -r /n/9660 /n/9660/sys/src/9/pc/sdodin.c >pc-sdodin.diff
sdiff -r /n/9660 /n/9660/sys/src/9/pc/winbond.c >pc-winbond.diff
mv /n/9660/sys/src/boot/pc /n/9660/sys/src/boot/pc-e820
sdiff -r /n/9660 /n/9660/sys/src/boot/pc-e820 >boot-pc-e820.diff
sdiff -r /n/9660 /n/9660/sys/src/cmd/auth/factotum > nfactotum.diff
sdiff -r /n/9660 /n/9660/sys/man/1/faces /n/9660/sys/man/1/filter /n/9660/sys/man/1/mail /n/9660/sys/man/1/marshal /n/9660/sys/man/1/mlmgr /n/9660/sys/man/1/nedmail /n/9660/sys/man/4/upasfs /n/9660/sys/man/6/mdir /n/9660/sys/man/6/rewrite /n/9660/sys/man/8/aliasmail /n/9660/sys/man/8/pop3 /n/9660/sys/man/8/qer /n/9660/sys/man/8/scanmail /n/9660/sys/man/8/send /n/9660/sys/man/8/smtp /n/9660/sys/man/8/splitmbox /n/9660/sys/man/8/usenupas /n/9660/sys/src/cmd/faces /n/9660/sys/src/cmd/upas > nupas.diff
sdiff -r /n/9660 /n/9660/sys/man/8/smart /n/9660/sys/src/cmd/disk/smart > disk-smart.diff
sdiff -r /n/9660 /n/9660/sys/src/9/pc/ahci.h /n/9660/sys/src/9/pc/sdiahci.c /n/9660/sys/src/9/pc/sdmv50xx.c /n/9660/sys/src/9/port/aoe.h /n/9660/sys/src/9/port/devaoe.c /n/9660/sys/src/9/port/devsd.c /n/9660/sys/src/9/port/sdscsi.c /n/9660/sys/src/9/port/led.c /n/9660/sys/src/9/port/led.h /n/9660/sys/src/9/port/sd.h /n/9660/sys/src/9/port/sdaoe.c /n/9660/sys/src/9/port/sdalloc.c >pc-sdiahci.diff

# sdiahci.c etherbcm.c
#define Pciwaddrh(va)	(sizeof(uintptr)>4? (uvlong)PCIWADDR(va)>>32: 0)
#define Pciwaddrl(va)	PCIWADDR(va)

# sdide.c
#define HOWMANY(x, y)	(((x)+((y)-1))/(y))
#define ROUNDUP(x, y)	(HOWMANY((x), (y))*(y))

r=/tmp/root
d=$r/sys/src/9/pc
mkdir -p $d
for(i in pc pcauth pccd pccpu pccpuf pcdisk pcf pcflop pcfs){
	cp /n/sources/plan9/sys/src/9/pc/$i $d
	sed 's/(sdiahci		pci sdscsi)/\1 led/' <$d/$i >$d/$i.new && mv $d/$i.new $d/$i
	sed 's/(	sd)$/\1			sdalloc/' <$d/$i >$d/$i.new && mv $d/$i.new $d/$i
	sdiff -r $r $d/$i >>pc-sdiahci.diff
}
cp /n/sources/plan9/sys/src/9/pc/mkfile $d
sed '/\/\$objtype\/lib\/libc\.a\\/ a\
	\	/\$objtype\/lib\/libfis\.a\\' <$d/mkfile >$d/mkfile.new && mv $d/mkfile.new $d/mkfile
sed '/sdiahci\.\$O:			ahci\.h/ a\
	sdiahci\.\$O sdodin\.\$O sdvanir\.\$O:	../port/led\.h' <$d/mkfile >$d/mkfile.new && mv $d/mkfile.new $d/mkfile
sdiff -r $r $d/mkfile >>pc-sdiahci.diff
rm -rf $r

sdiff -r /n/9660 /n/9660/sys/src/9/pc/sdide.c >pc-sdide.diff

r=/tmp/root
d=$r/sys/src/9/pc
mkdir -p $d
for(i in pc pcauth pccd pccpu pccpuf pcdisk pcf pcflop pcfs){
	cp /n/sources/plan9/sys/src/9/pc/$i $d
	sed 's/sdata/sdide/' <$d/$i >$d/$i.new && mv $d/$i.new $d/$i
	sdiff -r $r $d/$i | sed 's/(sdiahci		pci sdscsi)/\1 led/g' >>pc-sdide.diff
}
rm -rf $r

sdiff -r /n/9660 /n/9660/sys/src/libfis /n/9660/sys/include/fis.h >libfis.diff

r=/tmp/root
d=$r/sys/src
mkdir -p $d
cp /n/sources/plan9/sys/src/mkfile $d
sed '/libdraw\\/ a\
	\	libfis\\' <$d/mkfile >$d/mkfile.new && mv $d/mkfile.new $d/mkfile
sdiff -r $r $d/mkfile >>libfis.diff
rm -rf $r

for(i in *.diff){
	cat $i | night > $i.new && mv $i.new $i
}