From dce3a7a42d585b74ce68081010b42afe81c8f4c4 Mon Sep 17 00:00:00 2001 From: Vladimir Dronnikov Date: Fri, 16 Oct 2009 16:25:19 +1100 Subject: md: drivers/md/unroll.pl replaced with awk analog drivers/md/unroll.pl replaced by awk script to drop build-time dependency on perl Signed-off-by: Vladimir Dronnikov Signed-off-by: NeilBrown --- drivers/md/Makefile | 22 +++++++++++----------- drivers/md/raid6altivec.uc | 2 +- drivers/md/raid6int.uc | 2 +- drivers/md/raid6test/Makefile | 42 +++++++++++++++++++++--------------------- drivers/md/unroll.awk | 20 ++++++++++++++++++++ drivers/md/unroll.pl | 24 ------------------------ 6 files changed, 54 insertions(+), 58 deletions(-) create mode 100644 drivers/md/unroll.awk delete mode 100644 drivers/md/unroll.pl diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 1dc4185bd78..e355e7f6a53 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -46,7 +46,7 @@ obj-$(CONFIG_DM_LOG_USERSPACE) += dm-log-userspace.o obj-$(CONFIG_DM_ZERO) += dm-zero.o quiet_cmd_unroll = UNROLL $@ - cmd_unroll = $(PERL) $(srctree)/$(src)/unroll.pl $(UNROLL) \ + cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) \ < $< > $@ || ( rm -f $@ && exit 1 ) ifeq ($(CONFIG_ALTIVEC),y) @@ -59,56 +59,56 @@ endif targets += raid6int1.c $(obj)/raid6int1.c: UNROLL := 1 -$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int2.c $(obj)/raid6int2.c: UNROLL := 2 -$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int4.c $(obj)/raid6int4.c: UNROLL := 4 -$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int8.c $(obj)/raid6int8.c: UNROLL := 8 -$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int16.c $(obj)/raid6int16.c: UNROLL := 16 -$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int32.c $(obj)/raid6int32.c: UNROLL := 32 -$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_raid6altivec1.o += $(altivec_flags) targets += raid6altivec1.c $(obj)/raid6altivec1.c: UNROLL := 1 -$(obj)/raid6altivec1.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE +$(obj)/raid6altivec1.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_raid6altivec2.o += $(altivec_flags) targets += raid6altivec2.c $(obj)/raid6altivec2.c: UNROLL := 2 -$(obj)/raid6altivec2.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE +$(obj)/raid6altivec2.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_raid6altivec4.o += $(altivec_flags) targets += raid6altivec4.c $(obj)/raid6altivec4.c: UNROLL := 4 -$(obj)/raid6altivec4.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE +$(obj)/raid6altivec4.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_raid6altivec8.o += $(altivec_flags) targets += raid6altivec8.c $(obj)/raid6altivec8.c: UNROLL := 8 -$(obj)/raid6altivec8.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE +$(obj)/raid6altivec8.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) quiet_cmd_mktable = TABLE $@ diff --git a/drivers/md/raid6altivec.uc b/drivers/md/raid6altivec.uc index 699dfeee494..2654d5c854b 100644 --- a/drivers/md/raid6altivec.uc +++ b/drivers/md/raid6altivec.uc @@ -15,7 +15,7 @@ * * $#-way unrolled portable integer math RAID-6 instruction set * - * This file is postprocessed using unroll.pl + * This file is postprocessed using unroll.awk * * hpa: in process, * you can just "steal" the vec unit with enable_kernel_altivec() (but diff --git a/drivers/md/raid6int.uc b/drivers/md/raid6int.uc index f9bf9cba357..d1e276a14fa 100644 --- a/drivers/md/raid6int.uc +++ b/drivers/md/raid6int.uc @@ -15,7 +15,7 @@ * * $#-way unrolled portable integer math RAID-6 instruction set * - * This file is postprocessed using unroll.pl + * This file is postprocessed using unroll.awk */ #include diff --git a/drivers/md/raid6test/Makefile b/drivers/md/raid6test/Makefile index 58ffdf4f516..2874cbef529 100644 --- a/drivers/md/raid6test/Makefile +++ b/drivers/md/raid6test/Makefile @@ -7,7 +7,7 @@ CC = gcc OPTFLAGS = -O2 # Adjust as desired CFLAGS = -I.. -I ../../../include -g $(OPTFLAGS) LD = ld -PERL = perl +AWK = awk AR = ar RANLIB = ranlib @@ -35,35 +35,35 @@ raid6.a: raid6int1.o raid6int2.o raid6int4.o raid6int8.o raid6int16.o \ raid6test: test.c raid6.a $(CC) $(CFLAGS) -o raid6test $^ -raid6altivec1.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 1 < raid6altivec.uc > $@ +raid6altivec1.c: raid6altivec.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=1 < raid6altivec.uc > $@ -raid6altivec2.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 2 < raid6altivec.uc > $@ +raid6altivec2.c: raid6altivec.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=2 < raid6altivec.uc > $@ -raid6altivec4.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 4 < raid6altivec.uc > $@ +raid6altivec4.c: raid6altivec.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=4 < raid6altivec.uc > $@ -raid6altivec8.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 8 < raid6altivec.uc > $@ +raid6altivec8.c: raid6altivec.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=8 < raid6altivec.uc > $@ -raid6int1.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 1 < raid6int.uc > $@ +raid6int1.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=1 < raid6int.uc > $@ -raid6int2.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 2 < raid6int.uc > $@ +raid6int2.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=2 < raid6int.uc > $@ -raid6int4.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 4 < raid6int.uc > $@ +raid6int4.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=4 < raid6int.uc > $@ -raid6int8.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 8 < raid6int.uc > $@ +raid6int8.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=8 < raid6int.uc > $@ -raid6int16.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 16 < raid6int.uc > $@ +raid6int16.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=16 < raid6int.uc > $@ -raid6int32.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 32 < raid6int.uc > $@ +raid6int32.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=32 < raid6int.uc > $@ raid6tables.c: mktables ./mktables > raid6tables.c diff --git a/drivers/md/unroll.awk b/drivers/md/unroll.awk new file mode 100644 index 00000000000..c6aa03631df --- /dev/null +++ b/drivers/md/unroll.awk @@ -0,0 +1,20 @@ + +# This filter requires one command line option of form -vN=n +# where n must be a decimal number. +# +# Repeat each input line containing $$ n times, replacing $$ with 0...n-1. +# Replace each $# with n, and each $* with a single $. + +BEGIN { + n = N + 0 +} +{ + if (/\$\$/) { rep = n } else { rep = 1 } + for (i = 0; i < rep; ++i) { + tmp = $0 + gsub(/\$\$/, i, tmp) + gsub(/\$\#/, n, tmp) + gsub(/\$\*/, "$", tmp) + print tmp + } +} diff --git a/drivers/md/unroll.pl b/drivers/md/unroll.pl deleted file mode 100644 index 3acc710a20e..00000000000 --- a/drivers/md/unroll.pl +++ /dev/null @@ -1,24 +0,0 @@ -#!/usr/bin/perl -# -# Take a piece of C code and for each line which contains the sequence $$ -# repeat n times with $ replaced by 0...n-1; the sequence $# is replaced -# by the unrolling factor, and $* with a single $ -# - -($n) = @ARGV; -$n += 0; - -while ( defined($line = ) ) { - if ( $line =~ /\$\$/ ) { - $rep = $n; - } else { - $rep = 1; - } - for ( $i = 0 ; $i < $rep ; $i++ ) { - $tmp = $line; - $tmp =~ s/\$\$/$i/g; - $tmp =~ s/\$\#/$n/g; - $tmp =~ s/\$\*/\$/g; - print $tmp; - } -} -- cgit v1.2.3