1 #include <linux/config.h>
2 #include <linux/types.h>
3
4 #include <asm/io.h>
5
6 /*
7 * Copy data from IO memory space to "real" memory space.
8 * This needs to be optimized.
9 */
10 void
__ia64_memcpy_fromio(void * to,unsigned long from,long count)11 __ia64_memcpy_fromio (void * to, unsigned long from, long count)
12 {
13 while (count) {
14 count--;
15 *(char *) to = readb(from);
16 ((char *) to)++;
17 from++;
18 }
19 }
20
21 /*
22 * Copy data from "real" memory space to IO memory space.
23 * This needs to be optimized.
24 */
25 void
__ia64_memcpy_toio(unsigned long to,void * from,long count)26 __ia64_memcpy_toio (unsigned long to, void * from, long count)
27 {
28 while (count) {
29 count--;
30 writeb(*(char *) from, to);
31 ((char *) from)++;
32 to++;
33 }
34 }
35
36 /*
37 * "memset" on IO memory space.
38 * This needs to be optimized.
39 */
40 void
__ia64_memset_c_io(unsigned long dst,unsigned long c,long count)41 __ia64_memset_c_io (unsigned long dst, unsigned long c, long count)
42 {
43 unsigned char ch = (char)(c & 0xff);
44
45 while (count) {
46 count--;
47 writeb(ch, dst);
48 dst++;
49 }
50 }
51
52 #ifdef CONFIG_IA64_GENERIC
53
54 unsigned int
ia64_inb(unsigned long port)55 ia64_inb (unsigned long port)
56 {
57 return __ia64_inb(port);
58 }
59
60 unsigned int
ia64_inw(unsigned long port)61 ia64_inw (unsigned long port)
62 {
63 return __ia64_inw(port);
64 }
65
66 unsigned int
ia64_inl(unsigned long port)67 ia64_inl (unsigned long port)
68 {
69 return __ia64_inl(port);
70 }
71
72 void
ia64_outb(unsigned char val,unsigned long port)73 ia64_outb (unsigned char val, unsigned long port)
74 {
75 __ia64_outb(val, port);
76 }
77
78 void
ia64_outw(unsigned short val,unsigned long port)79 ia64_outw (unsigned short val, unsigned long port)
80 {
81 __ia64_outw(val, port);
82 }
83
84 void
ia64_outl(unsigned int val,unsigned long port)85 ia64_outl (unsigned int val, unsigned long port)
86 {
87 __ia64_outl(val, port);
88 }
89
90 /* define aliases: */
91
92 asm (".global __ia64_inb, __ia64_inw, __ia64_inl");
93 asm ("__ia64_inb = ia64_inb");
94 asm ("__ia64_inw = ia64_inw");
95 asm ("__ia64_inl = ia64_inl");
96
97 asm (".global __ia64_outb, __ia64_outw, __ia64_outl");
98 asm ("__ia64_outb = ia64_outb");
99 asm ("__ia64_outw = ia64_outw");
100 asm ("__ia64_outl = ia64_outl");
101
102 #endif /* CONFIG_IA64_GENERIC */
103