xref: /linux/arch/arm64/include/asm/lsui.h (revision c43267e6794a36013fd495a4d81bf7f748fe4615)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_LSUI_H
3 #define __ASM_LSUI_H
4 
5 #include <linux/compiler_types.h>
6 #include <linux/stringify.h>
7 #include <asm/alternative.h>
8 #include <asm/alternative-macros.h>
9 #include <asm/cpucaps.h>
10 
11 #define __LSUI_PREAMBLE	".arch_extension lsui\n"
12 
13 #ifdef CONFIG_ARM64_LSUI
14 
15 #define __lsui_llsc_body(op, ...)					\
16 ({									\
17 	alternative_has_cap_unlikely(ARM64_HAS_LSUI) ?			\
18 		__lsui_##op(__VA_ARGS__) : __llsc_##op(__VA_ARGS__);	\
19 })
20 
21 #else	/* CONFIG_ARM64_LSUI */
22 
23 #define __lsui_llsc_body(op, ...)	__llsc_##op(__VA_ARGS__)
24 
25 #endif	/* CONFIG_ARM64_LSUI */
26 
27 #endif	/* __ASM_LSUI_H */
28