1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
This file is based on:
$XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
Modified for readability by Nick Kurshev
*/
#ifndef __ASM_MACROS_SPARC_H
#define __ASM_MACROS_SPARC_H
#ifndef ASI_PL
#define ASI_PL 0x88
#endif
static __inline__ void outb(unsigned long port, char val)
{
__asm__ __volatile__("stba %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
}
static __inline__ void outw(unsigned long port, char val)
{
__asm__ __volatile__("stha %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
}
static __inline__ void outl(unsigned long port, char val)
{
__asm__ __volatile__("sta %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
}
static __inline__ unsigned int inb(unsigned long port)
{
unsigned char ret;
__asm__ __volatile__("lduba [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
return ret;
}
static __inline__ unsigned int inw(unsigned long port)
{
unsigned char ret;
__asm__ __volatile__("lduha [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
return ret;
}
static __inline__ unsigned int inl(unsigned long port)
{
unsigned char ret;
__asm__ __volatile__("lda [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
return ret;
}
#define intr_disable()
#define intr_enable()
#endif
|
