1#if __mips_isa_rev < 6
2#define LLSC_M "m"
3#else
4#define LLSC_M "ZC"
5#endif
6
7#define a_ll a_ll
8static inline int a_ll(volatile int *p)
9{
10	int v;
11	__asm__ __volatile__ (
12		"ll %0, %1"
13		: "=r"(v) : LLSC_M(*p));
14	return v;
15}
16
17#define a_sc a_sc
18static inline int a_sc(volatile int *p, int v)
19{
20	int r;
21	__asm__ __volatile__ (
22		"sc %0, %1"
23		: "=r"(r), "="LLSC_M(*p) : "0"(v) : "memory");
24	return r;
25}
26
27#define a_ll_p a_ll_p
28static inline void *a_ll_p(volatile void *p)
29{
30	void *v;
31	__asm__ __volatile__ (
32		"lld %0, %1"
33		: "=r"(v) : LLSC_M(*(void *volatile *)p));
34	return v;
35}
36
37#define a_sc_p a_sc_p
38static inline int a_sc_p(volatile void *p, void *v)
39{
40	long r;
41	__asm__ __volatile__ (
42		"scd %0, %1"
43		: "=r"(r), "="LLSC_M(*(void *volatile *)p) : "0"(v) : "memory");
44	return r;
45}
46
47#define a_barrier a_barrier
48static inline void a_barrier()
49{
50	__asm__ __volatile__ ("sync" : : : "memory");
51}
52
53#define a_pre_llsc a_barrier
54#define a_post_llsc a_barrier
55
56#undef LLSC_M
57