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powerpc/syscalls: switch to generic syscallhdr.sh 

Many architectures duplicate similar shell scripts.

This commit converts powerpc to use scripts/syscallhdr.sh.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210301153019.362742-2-masahiroy@kernel.org
This commit is contained in:
Masahiro Yamada 2021-03-02 00:30:19 +09:00 committed by Michael Ellerman
parent 14b3c9d24a
commit 672bff581e
2 changed files with 4 additions and 43 deletions
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11
arch/powerpc/kernel/syscalls/Makefile
View File

@ -6,23 +6,20 @@ _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
$(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
syscall := $(src)/syscall.tbl
syshdr := $(srctree)/$(src)/syscallhdr.sh
syshdr := $(srctree)/scripts/syscallhdr.sh
systbl := $(srctree)/scripts/syscalltbl.sh
quiet_cmd_syshdr = SYSHDR $@
cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
'$(syshdr_abis_$(basetarget))' \
'$(syshdr_pfx_$(basetarget))' \
'$(syshdr_offset_$(basetarget))'
cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis $(abis) $< $@
quiet_cmd_systbl = SYSTBL $@
cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@
syshdr_abis_unistd_32 := common,nospu,32
$(uapi)/unistd_32.h: abis := common,nospu,32
$(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE
$(call if_changed,syshdr)
syshdr_abis_unistd_64 := common,nospu,64
$(uapi)/unistd_64.h: abis := common,nospu,64
$(uapi)/unistd_64.h: $(syscall) $(syshdr) FORCE
$(call if_changed,syshdr)

36
arch/powerpc/kernel/syscalls/syscallhdr.sh
View File

@ -1,36 +0,0 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
my_abis=`echo "($3)" | tr ',' '|'`
prefix="$4"
offset="$5"
fileguard=_UAPI_ASM_POWERPC_`basename "$out" | sed \
-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
-e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
printf "#ifndef %s\n" "${fileguard}"
printf "#define %s\n" "${fileguard}"
printf "\n"
nxt=0
while read nr abi name entry compat ; do
if [ -z "$offset" ]; then
printf "#define __NR_%s%s\t%s\n" \
"${prefix}" "${name}" "${nr}"
else
printf "#define __NR_%s%s\t(%s + %s)\n" \
"${prefix}" "${name}" "${offset}" "${nr}"
fi
nxt=$((nr+1))
done
printf "\n"
printf "#ifdef __KERNEL__\n"
printf "#define __NR_syscalls\t%s\n" "${nxt}"
printf "#endif\n"
printf "\n"
printf "#endif /* %s */\n" "${fileguard}"
) > "$out"