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xtensa: syscalls: switch to generic syscalltbl.sh

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Many architectures duplicate similar shell scripts.

This commit converts xtensa to use scripts/syscalltbl.sh.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Message-Id: <20210301153656.363839-2-masahiroy@kernel.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Masahiro Yamada 2021-03-02 00:36:55 +09:00 committed by Max Filippov
parent 8d949ae25b
commit daf2618002
3 changed files with 3 additions and 39 deletions
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3
arch/xtensa/kernel/syscall.c
View File

@ -28,9 +28,8 @@
#include <linux/shm.h>
syscall_t sys_call_table[] /* FIXME __cacheline_aligned */= {
#define __SYSCALL(nr, entry, nargs) (syscall_t)entry,
#define __SYSCALL(nr, entry) (syscall_t)entry,
#include <asm/syscall_table.h>
#undef __SYSCALL
};
#define COLOUR_ALIGN(addr, pgoff) \

7
arch/xtensa/kernel/syscalls/Makefile
View File

@ -7,7 +7,7 @@ _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
syscall := $(src)/syscall.tbl
syshdr := $(srctree)/$(src)/syscallhdr.sh
systbl := $(srctree)/$(src)/syscalltbl.sh
systbl := $(srctree)/scripts/syscalltbl.sh
quiet_cmd_syshdr = SYSHDR $@
cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
@ -16,10 +16,7 @@ quiet_cmd_syshdr = SYSHDR $@
'$(syshdr_offset_$(basetarget))'
quiet_cmd_systbl = SYSTBL $@
cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \
'$(systbl_abis_$(basetarget))' \
'$(systbl_abi_$(basetarget))' \
'$(systbl_offset_$(basetarget))'
cmd_systbl = $(CONFIG_SHELL) $(systbl) $< $@
$(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE
$(call if_changed,syshdr)

32
arch/xtensa/kernel/syscalls/syscalltbl.sh
View File

@ -1,32 +0,0 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
my_abis=`echo "($3)" | tr ',' '|'`
my_abi="$4"
offset="$5"
emit() {
t_nxt="$1"
t_nr="$2"
t_entry="$3"
while [ $t_nxt -lt $t_nr ]; do
printf "__SYSCALL(%s, sys_ni_syscall, )\n" "${t_nxt}"
t_nxt=$((t_nxt+1))
done
printf "__SYSCALL(%s, %s, )\n" "${t_nxt}" "${t_entry}"
}
grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
nxt=0
if [ -z "$offset" ]; then
offset=0
fi
while read nr abi name entry ; do
emit $((nxt+offset)) $((nr+offset)) $entry
nxt=$((nr+1))
done
) > "$out"