1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_PARISC_JUMP_LABEL_H
3#define _ASM_PARISC_JUMP_LABEL_H
4
5#ifndef __ASSEMBLY__
6
7#include <linux/types.h>
8#include <asm/assembly.h>
9
10#define JUMP_LABEL_NOP_SIZE 4
11
12static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
13{
14	asm_volatile_goto("1:\n\t"
15		 "nop\n\t"
16		 ".pushsection __jump_table,  \"aw\"\n\t"
17		 ".word 1b - ., %l[l_yes] - .\n\t"
18		 __stringify(ASM_ULONG_INSN) " %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,n %l[l_yes]\n\t"
31		 ".pushsection __jump_table,  \"aw\"\n\t"
32		 ".word 1b - ., %l[l_yes] - .\n\t"
33		 __stringify(ASM_ULONG_INSN) " %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
42#endif  /* __ASSEMBLY__ */
43#endif
44