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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_SPARC_JUMP_LABEL_H
3#define _ASM_SPARC_JUMP_LABEL_H
4
5#ifndef __ASSEMBLY__
6
7#include <linux/types.h>
8
9#define JUMP_LABEL_NOP_SIZE 4
10
11static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
12{
13 asm_volatile_goto("1:\n\t"
14 "nop\n\t"
15 "nop\n\t"
16 ".pushsection __jump_table, \"aw\"\n\t"
17 ".align 4\n\t"
18 ".word 1b, %l[l_yes], %c0\n\t"
19 ".popsection \n\t"
20 : : "i" (&((char *)key)[branch]) : : l_yes);
21
22 return false;
23l_yes:
24 return true;
25}
26
27static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
28{
29 asm_volatile_goto("1:\n\t"
30 "b %l[l_yes]\n\t"
31 "nop\n\t"
32 ".pushsection __jump_table, \"aw\"\n\t"
33 ".align 4\n\t"
34 ".word 1b, %l[l_yes], %c0\n\t"
35 ".popsection \n\t"
36 : : "i" (&((char *)key)[branch]) : : l_yes);
37
38 return false;
39l_yes:
40 return true;
41}
42
43typedef u32 jump_label_t;
44
45struct jump_entry {
46 jump_label_t code;
47 jump_label_t target;
48 jump_label_t key;
49};
50
51#endif /* __ASSEMBLY__ */
52#endif
1#ifndef _ASM_SPARC_JUMP_LABEL_H
2#define _ASM_SPARC_JUMP_LABEL_H
3
4#ifndef __ASSEMBLY__
5
6#include <linux/types.h>
7
8#define JUMP_LABEL_NOP_SIZE 4
9
10static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
11{
12 asm_volatile_goto("1:\n\t"
13 "nop\n\t"
14 "nop\n\t"
15 ".pushsection __jump_table, \"aw\"\n\t"
16 ".align 4\n\t"
17 ".word 1b, %l[l_yes], %c0\n\t"
18 ".popsection \n\t"
19 : : "i" (&((char *)key)[branch]) : : l_yes);
20
21 return false;
22l_yes:
23 return true;
24}
25
26static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
27{
28 asm_volatile_goto("1:\n\t"
29 "b %l[l_yes]\n\t"
30 "nop\n\t"
31 ".pushsection __jump_table, \"aw\"\n\t"
32 ".align 4\n\t"
33 ".word 1b, %l[l_yes], %c0\n\t"
34 ".popsection \n\t"
35 : : "i" (&((char *)key)[branch]) : : l_yes);
36
37 return false;
38l_yes:
39 return true;
40}
41
42typedef u32 jump_label_t;
43
44struct jump_entry {
45 jump_label_t code;
46 jump_label_t target;
47 jump_label_t key;
48};
49
50#endif /* __ASSEMBLY__ */
51#endif