Re: [PATCH 1/2] powerpc: syscalls: switch to generic syscalltbl.sh
From: Masahiro Yamada <masahiroy@kernel.org>
Date: 2021-04-11 12:52:31
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lkml
Hi Michael, On Tue, Mar 2, 2021 at 12:31 AM Masahiro Yamada [off-list ref] wrote:
Many architectures duplicate similar shell scripts. This commit converts powerpc to use scripts/syscalltbl.sh. This also unifies syscall_table_32.h and syscall_table_c32.h. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Could you check this series? Thanks. Masahiro
quoted hunk ↗ jump to hunk
--- arch/powerpc/include/asm/Kbuild | 1 - arch/powerpc/kernel/syscalls/Makefile | 22 +++---------- arch/powerpc/kernel/syscalls/syscalltbl.sh | 36 --------------------- arch/powerpc/kernel/systbl.S | 5 ++- arch/powerpc/platforms/cell/spu_callbacks.c | 2 +- 5 files changed, 10 insertions(+), 56 deletions(-) delete mode 100644 arch/powerpc/kernel/syscalls/syscalltbl.shdiff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index e1f9b4ea1c53..bcf95ce0964f 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild@@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 generated-y += syscall_table_32.h generated-y += syscall_table_64.h -generated-y += syscall_table_c32.h generated-y += syscall_table_spu.h generic-y += export.h generic-y += kvm_types.hdiff --git a/arch/powerpc/kernel/syscalls/Makefile b/arch/powerpc/kernel/syscalls/Makefile index 9e3be295dbba..df21c731c806 100644 --- a/arch/powerpc/kernel/syscalls/Makefile +++ b/arch/powerpc/kernel/syscalls/Makefile@@ -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) --abis $(abis) $< $@ syshdr_abis_unistd_32 := common,nospu,32 $(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE@@ -29,30 +26,21 @@ syshdr_abis_unistd_64 := common,nospu,64 $(uapi)/unistd_64.h: $(syscall) $(syshdr) FORCE $(call if_changed,syshdr) -systbl_abis_syscall_table_32 := common,nospu,32 -systbl_abi_syscall_table_32 := 32 +$(kapi)/syscall_table_32.h: abis := common,nospu,32 $(kapi)/syscall_table_32.h: $(syscall) $(systbl) FORCE $(call if_changed,systbl) -systbl_abis_syscall_table_64 := common,nospu,64 -systbl_abi_syscall_table_64 := 64 +$(kapi)/syscall_table_64.h: abis := common,nospu,64 $(kapi)/syscall_table_64.h: $(syscall) $(systbl) FORCE $(call if_changed,systbl) -systbl_abis_syscall_table_c32 := common,nospu,32 -systbl_abi_syscall_table_c32 := c32 -$(kapi)/syscall_table_c32.h: $(syscall) $(systbl) FORCE - $(call if_changed,systbl) - -systbl_abis_syscall_table_spu := common,spu -systbl_abi_syscall_table_spu := spu +$(kapi)/syscall_table_spu.h: abis := common,spu $(kapi)/syscall_table_spu.h: $(syscall) $(systbl) FORCE $(call if_changed,systbl) uapisyshdr-y += unistd_32.h unistd_64.h kapisyshdr-y += syscall_table_32.h \ syscall_table_64.h \ - syscall_table_c32.h \ syscall_table_spu.h uapisyshdr-y := $(addprefix $(uapi)/, $(uapisyshdr-y))diff --git a/arch/powerpc/kernel/syscalls/syscalltbl.sh b/arch/powerpc/kernel/syscalls/syscalltbl.sh deleted file mode 100644 index f7393a7b18aa..000000000000 --- a/arch/powerpc/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 [ "$my_abi" = "c32" ] && [ ! -z "$compat" ]; then - emit $((nxt+offset)) $((nr+offset)) $compat - else - emit $((nxt+offset)) $((nr+offset)) $entry - fi - nxt=$((nr+1)) - done -) > "$out"diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S index d34276f3c495..cb3358886203 100644 --- a/arch/powerpc/kernel/systbl.S +++ b/arch/powerpc/kernel/systbl.S@@ -21,6 +21,7 @@ #define __SYSCALL(nr, entry) .long entry #endif +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) .globl sys_call_table sys_call_table: #ifdef CONFIG_PPC64@@ -30,8 +31,10 @@ sys_call_table: #endif #ifdef CONFIG_COMPAT +#undef __SYSCALL_WITH_COMPAT +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, compat) .globl compat_sys_call_table compat_sys_call_table: #define compat_sys_sigsuspend sys_sigsuspend -#include <asm/syscall_table_c32.h> +#include <asm/syscall_table_32.h> #endifdiff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c index abdef9bcf432..fe0d8797a00a 100644 --- a/arch/powerpc/platforms/cell/spu_callbacks.c +++ b/arch/powerpc/platforms/cell/spu_callbacks.c@@ -35,9 +35,9 @@ */ static void *spu_syscall_table[] = { +#define __SYSCALL_WITH_COMPAT(nr, entry, compat) __SYSCALL(nr, entry) #define __SYSCALL(nr, entry) [nr] = entry, #include <asm/syscall_table_spu.h> -#undef __SYSCALL }; long spu_sys_callback(struct spu_syscall_block *s) --2.27.0
-- Best Regards Masahiro Yamada