xref: /linux/scripts/atomic/gen-atomic-long.sh (revision 2da68a77) 
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3
4ATOMICDIR=$(dirname $0)
5
6. ${ATOMICDIR}/atomic-tbl.sh
7
8#gen_cast(arg, int, atomic)
9gen_cast()
10{
11	local arg="$1"; shift
12	local int="$1"; shift
13	local atomic="$1"; shift
14
15	[ "${arg%%:*}" = "p" ] || return
16
17	printf "($(gen_param_type "${arg}" "${int}" "${atomic}"))"
18}
19
20#gen_args_cast(int, atomic, arg...)
21gen_args_cast()
22{
23	local int="$1"; shift
24	local atomic="$1"; shift
25
26	while [ "$#" -gt 0 ]; do
27		local cast="$(gen_cast "$1" "${int}" "${atomic}")"
28		local arg="$(gen_param_name "$1")"
29		printf "${cast}${arg}"
30		[ "$#" -gt 1 ] && printf ", "
31		shift;
32	done
33}
34
35#gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
36gen_proto_order_variant()
37{
38	local meta="$1"; shift
39	local name="$1$2$3$4"; shift; shift; shift; shift
40	local atomic="$1"; shift
41	local int="$1"; shift
42
43	local ret="$(gen_ret_type "${meta}" "long")"
44	local params="$(gen_params "long" "atomic_long" "$@")"
45	local argscast="$(gen_args_cast "${int}" "${atomic}" "$@")"
46	local retstmt="$(gen_ret_stmt "${meta}")"
47
48cat <<EOF
49static __always_inline ${ret}
50arch_atomic_long_${name}(${params})
51{
52	${retstmt}arch_${atomic}_${name}(${argscast});
53}
54
55EOF
56}
57
58cat << EOF
59// SPDX-License-Identifier: GPL-2.0
60
61// Generated by $0
62// DO NOT MODIFY THIS FILE DIRECTLY
63
64#ifndef _LINUX_ATOMIC_LONG_H
65#define _LINUX_ATOMIC_LONG_H
66
67#include <linux/compiler.h>
68#include <asm/types.h>
69
70#ifdef CONFIG_64BIT
71typedef atomic64_t atomic_long_t;
72#define ATOMIC_LONG_INIT(i)		ATOMIC64_INIT(i)
73#define atomic_long_cond_read_acquire	atomic64_cond_read_acquire
74#define atomic_long_cond_read_relaxed	atomic64_cond_read_relaxed
75#else
76typedef atomic_t atomic_long_t;
77#define ATOMIC_LONG_INIT(i)		ATOMIC_INIT(i)
78#define atomic_long_cond_read_acquire	atomic_cond_read_acquire
79#define atomic_long_cond_read_relaxed	atomic_cond_read_relaxed
80#endif
81
82#ifdef CONFIG_64BIT
83
84EOF
85
86grep '^[a-z]' "$1" | while read name meta args; do
87	gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
88done
89
90cat <<EOF
91#else /* CONFIG_64BIT */
92
93EOF
94
95grep '^[a-z]' "$1" | while read name meta args; do
96	gen_proto "${meta}" "${name}" "atomic" "int" ${args}
97done
98
99cat <<EOF
100#endif /* CONFIG_64BIT */
101#endif /* _LINUX_ATOMIC_LONG_H */
102EOF
103