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#!/bin/awk -f
# SPDX-License-Identifier: GPL-2.0
# gen-cpucaps.awk: arm64 cpucaps header generator
#
# Usage: awk -f gen-cpucaps.awk cpucaps.txt
# Log an error and terminate
function fatal(msg) {
print "Error at line " NR ": " msg > "/dev/stderr"
exit 1
}
# skip blank lines and comment lines
/^$/ { next }
/^#/ { next }
BEGIN {
print "#ifndef __ASM_CPUCAP_DEFS_H"
print "#define __ASM_CPUCAP_DEFS_H"
print ""
print "/* Generated file - do not edit */"
cap_num = 0
print ""
}
/^[vA-Z0-9_]+$/ {
printf("#define ARM64_%-40s\t%d\n", $0, cap_num++)
next
}
END {
printf("#define ARM64_NCAPS\t\t\t\t\t%d\n", cap_num)
print ""
print "#endif /* __ASM_CPUCAP_DEFS_H */"
}
# Any lines not handled by previous rules are unexpected
{
fatal("unhandled statement")
}
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