parisc: syscalls: switch to generic syscalltbl.sh

Many architectures duplicate similar shell scripts.

This commit converts parisc to use scripts/syscalltbl.sh. This also
unifies syscall_table_64.h and syscall_table_c32.h.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/include/asm/Kbuild

 # SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table_32.h
 generated-y += syscall_table_64.h
-generated-y += syscall_table_c32.h
 generic-y += kvm_para.h
 generic-y += mcs_spinlock.h
 generic-y += user.h

arch/parisc/kernel/syscall.S

@@ -919,24 +919,24 @@ ENTRY(lws_table)
 END(lws_table)
 	/* End of lws table */
 
+#ifdef CONFIG_64BIT
+#define __SYSCALL_WITH_COMPAT(nr, native, compat)	__SYSCALL(nr, compat)
+#else
+#define __SYSCALL_WITH_COMPAT(nr, native, compat)	__SYSCALL(nr, native)
+#endif
 #define __SYSCALL(nr, entry)	ASM_ULONG_INSN entry
 	.align 8
 ENTRY(sys_call_table)
 	.export sys_call_table,data
-#ifdef CONFIG_64BIT
-#include <asm/syscall_table_c32.h>   /* Compat syscalls */
-#else
-#include <asm/syscall_table_32.h>    /* 32-bit native syscalls */
-#endif
+#include <asm/syscall_table_32.h>    /* 32-bit syscalls */
 END(sys_call_table)
 
 #ifdef CONFIG_64BIT
 	.align 8
 ENTRY(sys_call_table64)
-#include <asm/syscall_table_64.h>    /* 64-bit native syscalls */
+#include <asm/syscall_table_64.h>    /* 64-bit syscalls */
 END(sys_call_table64)
 #endif
-#undef __SYSCALL
 
 	/*
 		All light-weight-syscall atomic operations 
@@ -961,5 +961,3 @@ END(lws_lock_start)
 	.previous
 
 .end
-
-

arch/parisc/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,32
 $(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE
@@ -29,23 +26,17 @@ syshdr_abis_unistd_64 := common,64
 $(uapi)/unistd_64.h: $(syscall) $(syshdr) FORCE
 	$(call if_changed,syshdr)
 
-systbl_abis_syscall_table_32 := common,32
+$(kapi)/syscall_table_32.h: abis := common,32
 $(kapi)/syscall_table_32.h: $(syscall) $(systbl) FORCE
 	$(call if_changed,systbl)
 
-systbl_abis_syscall_table_64 := common,64
+$(kapi)/syscall_table_64.h: abis := common,64
 $(kapi)/syscall_table_64.h: $(syscall) $(systbl) FORCE
 	$(call if_changed,systbl)
 
-systbl_abis_syscall_table_c32 := common,32
-systbl_abi_syscall_table_c32 := c32
-$(kapi)/syscall_table_c32.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_64.h
 
 uapisyshdr-y	:= $(addprefix $(uapi)/, $(uapisyshdr-y))
 kapisyshdr-y	:= $(addprefix $(kapi)/, $(kapisyshdr-y))

arch/parisc/kernel/syscalls/syscalltbl.sh

-#!/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"