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Annotation of qemu/roms/openbios/include/arch/ia64/io.h, revision 1.1.1.1

1.1       root        1: #ifndef _ASM_IO_H
                      2: #define _ASM_IO_H
                      3: 
                      4: extern unsigned long virt_offset;
                      5: 
                      6: #define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - virt_offset))
                      7: #define virt_to_phys(virt) ((unsigned long) (virt) + virt_offset)
                      8: 
                      9: #define __SLOW_DOWN_IO "outb %%al,$0x80;"
                     10: static inline void slow_down_io(void)
                     11: {
                     12:        __asm__ __volatile__(
                     13:                __SLOW_DOWN_IO
                     14: #ifdef REALLY_SLOW_IO
                     15:                __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO
                     16: #endif
                     17:                : : );
                     18: }
                     19: 
                     20: #define BUILDIO(bwl,bw,type) \
                     21: static inline void out##bwl(unsigned type value, int port) { \
                     22:        __asm__ __volatile__("out" #bwl " %" #bw "0, %w1" : : "a"(value), "Nd"(port)); \
                     23: } \
                     24: static inline unsigned type in##bwl(int port) { \
                     25:        unsigned type value; \
                     26:        __asm__ __volatile__("in" #bwl " %w1, %" #bw "0" : "=a"(value) : "Nd"(port)); \
                     27:        return value; \
                     28: } \
                     29: static inline void out##bwl##_p(unsigned type value, int port) { \
                     30:        out##bwl(value, port); \
                     31:        slow_down_io(); \
                     32: } \
                     33: static inline unsigned type in##bwl##_p(int port) { \
                     34:        unsigned type value = in##bwl(port); \
                     35:        slow_down_io(); \
                     36:        return value; \
                     37: } \
                     38: static inline void outs##bwl(int port, const void *addr, unsigned long count) { \
                     39:        __asm__ __volatile__("rep; outs" #bwl : "+S"(addr), "+c"(count) : "d"(port)); \
                     40: } \
                     41: static inline void ins##bwl(int port, void *addr, unsigned long count) { \
                     42:        __asm__ __volatile__("rep; ins" #bwl : "+D"(addr), "+c"(count) : "d"(port)); \
                     43: }
                     44: 
                     45: #ifndef BOOTSTRAP
                     46: BUILDIO(b,b,char)
                     47: BUILDIO(w,w,short)
                     48: BUILDIO(l,,int)
                     49: #else
                     50: extern u8               inb( u32 reg );
                     51: extern u16              inw( u32 reg );
                     52: extern u32              inl( u32 reg );
                     53: extern void             insw( u32 reg, void *addr, unsigned long count );
                     54: extern void             outb( u32 reg, u8 val );
                     55: extern void             outw( u32 reg, u16 val );
                     56: extern void             outl( u32 reg, u32 val );
                     57: extern void             outsw( u32 reg, const void *addr, unsigned long count);
                     58: #endif
                     59: #endif

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