Home | History | Annotate | Line # | Download | only in nouveau
nouveau2netbsd revision 1.6 
      1 #!/bin/sh
      2 
      3 #	$NetBSD: nouveau2netbsd,v 1.6 2024/04/16 14:26:53 riastradh Exp $
      4 #
      5 # $ /path/to/nouveau2netbsd > /path/to/files.nouveau.new
      6 #
      7 # Run from the top-level Nouveau source directory.  This stupid kludge
      8 # reinterprets the GNU makefile as a BSD makefile to extract the source
      9 # file names, renames the ones that have obscure and/or colliding
     10 # basenames to be less obscure and unlikely (though not guaranteed) to
     11 # collide, and spits out config(5) directives for all of them.
     12 
     13 set -Ceu
     14 
     15 : ${MV:=mv}
     16 
     17 # Location of the Nouveau sources relative to $NETBSDSRCDIR.
     18 nouveau_top=external/bsd/drm2/dist/drm/nouveau
     19 
     20 # config(5) flag for the Nouveau driver.
     21 nouveau_flag=nouveau
     22 
     23 filemap=
     24 
     25 clean ()
     26 {
     27 	[ -z "$filemap" ] || rm -f -- "$filemap" || :
     28 }
     29 trap clean EXIT HUP INT TERM
     30 
     31 filemap="$(mktemp -t ${0##*/})"
     32 
     33 cat Kbuild								\
     34 | sed -e 's,^include \(.*\)$,.include "\1",'				\
     35 | sed -e 's,^ifdef \(.*\)$,.if !empty(\1:M[yY]),'			\
     36 | sed -e 's,^endif$,.endif,'						\
     37 | env									\
     38 	env CONFIG_ACPI=y						\
     39 	env CONFIG_X86=y						\
     40 	env src=.							\
     41 	make -f /dev/stdin -V '$(nouveau-y)'				\
     42 | tr ' ' '\n'								\
     43 | sed -e 's,^$,,'							\
     44 | sort -u								\
     45 | sed -e 's,\.o$,.c,'							\
     46 | awk '
     47 	BEGIN {
     48 		duplicates = 0
     49 	}
     50 	$1 ~ "nouveau_[^/]*$" {
     51 		if (seen[$1])
     52 			printf("Duplicate basename: %s\n", $1)
     53 		seen[$1] = $1
     54 		printf("%s %s\n", $1, $1)
     55 		next
     56 	}
     57 	{
     58 		if (index($1, "/")) {
     59 			dir = $1
     60 			sub("/[^/]*$", "/", dir)
     61 		} else {
     62 			dir = ""
     63 		}
     64 		base = $1
     65 		sub("^core/", "", base)
     66 		gsub("/", "_", base)
     67 		if (seen[base]) {
     68 			printf("Duplicate basename: %s %s\n", seen[base], $1) \
     69 			    > "/dev/stderr"
     70 			duplicates = 1
     71 		}
     72 		if (duplicates)
     73 			next
     74 		seen[base] = $1
     75 		printf("%s %s\n", $1, dir "nouveau_" base)
     76 	}
     77 	END {
     78 		if (duplicates) {
     79 			printf("Time to rewite me!\n") > "/dev/stderr"
     80 			exit 1
     81 		}
     82 	}
     83 ' >> "$filemap"
     84 
     85 while read from to; do
     86 	if [ "x$from" != "x$to" ]; then
     87 		${MV} -f -- "$from" "$to"
     88 	fi
     89 	printf 'file\t%s\t%s\n' "$nouveau_top/$to" "$nouveau_flag"
     90 done < "$filemap" | sort
     91 
     92 # We sort the output again at the end because we renamed some files but
     93 # left $TOP/nouveau_* unchanged, so their sort order relative to the
     94 # ones that got renamed may have changed.
     95