6 #define movs(type,to,from) \  argument
7 	asm volatile("movs" type:"=&D" (to), "=&S" (from):"0" (to), "1" (from):"memory")
10 static __always_inline void rep_movs(void *to, const void *from, size_t n)  in rep_movs()  argument
22 		     : "0" (n / 4), "q" (n), "1" ((long)to), "2" ((long)from)  in rep_movs()
26 static void string_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n)  in string_memcpy_fromio()  argument
33 		movs("b", to, from);  in string_memcpy_fromio()
37 		movs("w", to, from);  in string_memcpy_fromio()
40 	rep_movs(to, (const void *)from, n);  in string_memcpy_fromio()
42 	kmsan_unpoison_memory(to, n);  in string_memcpy_fromio()
45 static void string_memcpy_toio(volatile void __iomem *to, const void *from, size_t n)  in string_memcpy_toio()  argument
53 	if (unlikely(1 & (unsigned long)to)) {  in string_memcpy_toio()
54 		movs("b", to, from);  in string_memcpy_toio()
57 	if (n > 1 && unlikely(2 & (unsigned long)to)) {  in string_memcpy_toio()
58 		movs("w", to, from);  in string_memcpy_toio()
61 	rep_movs((void *)to, (const void *) from, n);  in string_memcpy_toio()
64 static void unrolled_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n)  in unrolled_memcpy_fromio()  argument
67 	char *out = to;  in unrolled_memcpy_fromio()
74 static void unrolled_memcpy_toio(volatile void __iomem *to, const void *from, size_t n)  in unrolled_memcpy_toio()  argument
76 	volatile char __iomem *out = to;  in unrolled_memcpy_toio()
93 void memcpy_fromio(void *to, const volatile void __iomem *from, size_t n)  in memcpy_fromio()  argument
96 		unrolled_memcpy_fromio(to, from, n);  in memcpy_fromio()
98 		string_memcpy_fromio(to, from, n);  in memcpy_fromio()
102 void memcpy_toio(volatile void __iomem *to, const void *from, size_t n)  in memcpy_toio()  argument
105 		unrolled_memcpy_toio(to, from, n);  in memcpy_toio()
107 		string_memcpy_toio(to, from, n);  in memcpy_toio()