1#ifndef _ASM_ARM_JUMP_LABEL_H
 2#define _ASM_ARM_JUMP_LABEL_H
 3
 4#ifdef __KERNEL__
 5
 6#include <linux/types.h>
 7
 8#define JUMP_LABEL_NOP_SIZE 4
 9
10#ifdef CONFIG_THUMB2_KERNEL
11#define JUMP_LABEL_NOP	"nop.w"
12#else
13#define JUMP_LABEL_NOP	"nop"
14#endif
15
16static __always_inline bool arch_static_branch(struct static_key *key)
17{
18	asm_volatile_goto("1:\n\t"
19		 JUMP_LABEL_NOP "\n\t"
20		 ".pushsection __jump_table,  \"aw\"\n\t"
21		 ".word 1b, %l[l_yes], %c0\n\t"
22		 ".popsection\n\t"
23		 : :  "i" (key) :  : l_yes);
24
25	return false;
26l_yes:
27	return true;
28}
29
30#endif /* __KERNEL__ */
31
32typedef u32 jump_label_t;
33
34struct jump_entry {
35	jump_label_t code;
36	jump_label_t target;
37	jump_label_t key;
38};
39
40#endif