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author | Masahiro Yamada <masahiroy@kernel.org> | 2021-03-01 23:48:24 +0900 |
---|---|---|
committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-03-10 15:19:14 +0100 |
commit | ecbba30fbf45dceaaf0e8010638283e7aa94a4df (patch) | |
tree | 0c68a2ac431440aa495bdfead067e3f64bc7260d /arch/mips/kernel/syscalls | |
parent | 45c7e8af4a5e3f0bea4ac209eea34118dd57ac64 (diff) | |
download | linux-ecbba30fbf45dceaaf0e8010638283e7aa94a4df.tar.gz linux-ecbba30fbf45dceaaf0e8010638283e7aa94a4df.tar.bz2 linux-ecbba30fbf45dceaaf0e8010638283e7aa94a4df.zip |
mips: syscalls: switch to generic syscalltbl.sh
Many architectures duplicate similar shell scripts.
This commit converts mips to use scripts/syscalltbl.sh. This also
unifies syscall_table_32_o32.h and syscall_table_64_o32.h into
syscall_table_o32.h.
The offset parameters are unneeded here; __SYSCALL(nr, entry) is defined
as 'PTR entry', so the parameter 'nr' is not used in the first place.
With this commit, syscall tables and generated files are straight
mapped, which makes things easier to understand.
syscall_n32.tbl --> syscall_table_n32.h
syscall_n64.tbl --> syscall_table_n64.h
syscall_o32.tbl --> syscall_table_o32.h
Then, the abi parameters are also unneeded.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/kernel/syscalls')
-rw-r--r-- | arch/mips/kernel/syscalls/Makefile | 31 | ||||
-rw-r--r-- | arch/mips/kernel/syscalls/syscalltbl.sh | 36 |
2 files changed, 8 insertions, 59 deletions
diff --git a/arch/mips/kernel/syscalls/Makefile b/arch/mips/kernel/syscalls/Makefile index 51f8b805f2ed..2bbea47caf7e 100644 --- a/arch/mips/kernel/syscalls/Makefile +++ b/arch/mips/kernel/syscalls/Makefile @@ -10,7 +10,7 @@ syscalln64 := $(src)/syscall_n64.tbl syscallo32 := $(src)/syscall_o32.tbl syshdr := $(srctree)/$(src)/syscallhdr.sh sysnr := $(srctree)/$(src)/syscallnr.sh -systbl := $(srctree)/$(src)/syscalltbl.sh +systbl := $(srctree)/scripts/syscalltbl.sh quiet_cmd_syshdr = SYSHDR $@ cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \ @@ -25,10 +25,7 @@ quiet_cmd_sysnr = SYSNR $@ '$(sysnr_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) $< $@ syshdr_offset_unistd_n32 := __NR_Linux $(uapi)/unistd_n32.h: $(syscalln32) $(syshdr) FORCE @@ -57,33 +54,21 @@ sysnr_offset_unistd_nr_o32 := 4000 $(kapi)/unistd_nr_o32.h: $(syscallo32) $(sysnr) FORCE $(call if_changed,sysnr) -systbl_abi_syscall_table_32_o32 := 32_o32 -systbl_offset_syscall_table_32_o32 := 4000 -$(kapi)/syscall_table_32_o32.h: $(syscallo32) $(systbl) FORCE +$(kapi)/syscall_table_n32.h: $(syscalln32) $(systbl) FORCE $(call if_changed,systbl) -systbl_abi_syscall_table_64_n32 := 64_n32 -systbl_offset_syscall_table_64_n32 := 6000 -$(kapi)/syscall_table_64_n32.h: $(syscalln32) $(systbl) FORCE +$(kapi)/syscall_table_n64.h: $(syscalln64) $(systbl) FORCE $(call if_changed,systbl) -systbl_abi_syscall_table_64_n64 := 64_n64 -systbl_offset_syscall_table_64_n64 := 5000 -$(kapi)/syscall_table_64_n64.h: $(syscalln64) $(systbl) FORCE - $(call if_changed,systbl) - -systbl_abi_syscall_table_64_o32 := 64_o32 -systbl_offset_syscall_table_64_o32 := 4000 -$(kapi)/syscall_table_64_o32.h: $(syscallo32) $(systbl) FORCE +$(kapi)/syscall_table_o32.h: $(syscallo32) $(systbl) FORCE $(call if_changed,systbl) uapisyshdr-y += unistd_n32.h \ unistd_n64.h \ unistd_o32.h -kapisyshdr-y += syscall_table_32_o32.h \ - syscall_table_64_n32.h \ - syscall_table_64_n64.h \ - syscall_table_64_o32.h \ +kapisyshdr-y += syscall_table_n32.h \ + syscall_table_n64.h \ + syscall_table_o32.h \ unistd_nr_n32.h \ unistd_nr_n64.h \ unistd_nr_o32.h diff --git a/arch/mips/kernel/syscalls/syscalltbl.sh b/arch/mips/kernel/syscalls/syscalltbl.sh deleted file mode 100644 index 1e2570740c20..000000000000 --- a/arch/mips/kernel/syscalls/syscalltbl.sh +++ /dev/null @@ -1,36 +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 compat ; do - if [ "$my_abi" = "64_o32" ] && [ ! -z "$compat" ]; then - emit $((nxt+offset)) $((nr+offset)) $compat - else - emit $((nxt+offset)) $((nr+offset)) $entry - fi - nxt=$((nr+1)) - done -) > "$out" |