linux-kernel - Re: [PATCH 1/2] microblaze: syscalls: switch to generic syscalltbl.sh

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Message-ID: <3db0da0d-0e08-8301-f028-4a5a7bd232f5@monstr.eu>
Date:   Tue, 2 Mar 2021 14:00:39 +0100
From:   Michal Simek <monstr@...str.eu>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH 1/2] microblaze: syscalls: switch to generic syscalltbl.sh



On 3/1/21 3:23 PM, Masahiro Yamada wrote:
> Many architectures duplicate similar shell scripts.
> 
> This commit converts microblaze to use scripts/syscalltbl.sh.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
> 
>  arch/microblaze/kernel/syscall_table.S        |  3 +-
>  arch/microblaze/kernel/syscalls/Makefile      |  7 ++--
>  arch/microblaze/kernel/syscalls/syscalltbl.sh | 32 -------------------
>  3 files changed, 3 insertions(+), 39 deletions(-)
>  delete mode 100644 arch/microblaze/kernel/syscalls/syscalltbl.sh
> 
> diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
> index ce006646f741..3bc60a2b159e 100644
> --- a/arch/microblaze/kernel/syscall_table.S
> +++ b/arch/microblaze/kernel/syscall_table.S
> @@ -1,6 +1,5 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
>  
> -#define __SYSCALL(nr, entry, nargs) .long entry
> +#define __SYSCALL(nr, entry) .long entry
>  ENTRY(sys_call_table)
>  #include <asm/syscall_table.h>
> -#undef __SYSCALL
> diff --git a/arch/microblaze/kernel/syscalls/Makefile b/arch/microblaze/kernel/syscalls/Makefile
> index 285aaba832d9..ad2492cb5568 100644
> --- a/arch/microblaze/kernel/syscalls/Makefile
> +++ b/arch/microblaze/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) $< $@
>  
>  $(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE
>  	$(call if_changed,syshdr)
> diff --git a/arch/microblaze/kernel/syscalls/syscalltbl.sh b/arch/microblaze/kernel/syscalls/syscalltbl.sh
> deleted file mode 100644
> index 85d78d9309ad..000000000000
> --- a/arch/microblaze/kernel/syscalls/syscalltbl.sh
> +++ /dev/null
> @@ -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"
> 

Applied both.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs