0c0de199ce
Generate asm-x86/cpufeature.h with posix-2008 commands instead of perl. Signed-off-by: Rob Landley <rob@landley.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Josh Boyer <jwboyer@redhat.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: David Howells <dhowell@redhat.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
41 lines
1 KiB
Bash
41 lines
1 KiB
Bash
#!/bin/sh
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#
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# Generate the x86_cap_flags[] array from include/asm/cpufeature.h
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#
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IN=$1
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OUT=$2
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TABS="$(printf '\t\t\t\t\t')"
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trap 'rm "$OUT"' EXIT
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(
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echo "#ifndef _ASM_X86_CPUFEATURE_H"
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echo "#include <asm/cpufeature.h>"
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echo "#endif"
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echo ""
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echo "const char * const x86_cap_flags[NCAPINTS*32] = {"
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# Iterate through any input lines starting with #define X86_FEATURE_
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sed -n -e 's/\t/ /g' -e 's/^ *# *define *X86_FEATURE_//p' $IN |
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while read i
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do
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# Name is everything up to the first whitespace
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NAME="$(echo "$i" | sed 's/ .*//')"
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# If the /* comment */ starts with a quote string, grab that.
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VALUE="$(echo "$i" | sed -n 's@.*/\* *\("[^"]*"\).*\*/@\1@p')"
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[ -z "$VALUE" ] && VALUE="\"$NAME\""
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[ "$VALUE" == '""' ] && continue
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# Name is uppercase, VALUE is all lowercase
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VALUE="$(echo "$VALUE" | tr A-Z a-z)"
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TABCOUNT=$(( ( 5*8 - 14 - $(echo "$NAME" | wc -c) ) / 8 ))
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printf "\t[%s]%.*s = %s,\n" \
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"X86_FEATURE_$NAME" "$TABCOUNT" "$TABS" "$VALUE"
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done
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echo "};"
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) > $OUT
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trap - EXIT
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