diff options
Diffstat (limited to 'qemu/roms/openbios/include/arch/ia64/io.h')
-rw-r--r-- | qemu/roms/openbios/include/arch/ia64/io.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/qemu/roms/openbios/include/arch/ia64/io.h b/qemu/roms/openbios/include/arch/ia64/io.h new file mode 100644 index 000000000..8f06dcdaf --- /dev/null +++ b/qemu/roms/openbios/include/arch/ia64/io.h @@ -0,0 +1,59 @@ +#ifndef _ASM_IO_H +#define _ASM_IO_H + +extern unsigned long virt_offset; + +#define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - virt_offset)) +#define virt_to_phys(virt) ((unsigned long) (virt) + virt_offset) + +#define __SLOW_DOWN_IO "outb %%al,$0x80;" +static inline void slow_down_io(void) +{ + __asm__ __volatile__( + __SLOW_DOWN_IO +#ifdef REALLY_SLOW_IO + __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO +#endif + : : ); +} + +#define BUILDIO(bwl,bw,type) \ +static inline void out##bwl(unsigned type value, int port) { \ + __asm__ __volatile__("out" #bwl " %" #bw "0, %w1" : : "a"(value), "Nd"(port)); \ +} \ +static inline unsigned type in##bwl(int port) { \ + unsigned type value; \ + __asm__ __volatile__("in" #bwl " %w1, %" #bw "0" : "=a"(value) : "Nd"(port)); \ + return value; \ +} \ +static inline void out##bwl##_p(unsigned type value, int port) { \ + out##bwl(value, port); \ + slow_down_io(); \ +} \ +static inline unsigned type in##bwl##_p(int port) { \ + unsigned type value = in##bwl(port); \ + slow_down_io(); \ + return value; \ +} \ +static inline void outs##bwl(int port, const void *addr, unsigned long count) { \ + __asm__ __volatile__("rep; outs" #bwl : "+S"(addr), "+c"(count) : "d"(port)); \ +} \ +static inline void ins##bwl(int port, void *addr, unsigned long count) { \ + __asm__ __volatile__("rep; ins" #bwl : "+D"(addr), "+c"(count) : "d"(port)); \ +} + +#ifndef BOOTSTRAP +BUILDIO(b,b,char) +BUILDIO(w,w,short) +BUILDIO(l,,int) +#else +extern u8 inb( u32 reg ); +extern u16 inw( u32 reg ); +extern u32 inl( u32 reg ); +extern void insw( u32 reg, void *addr, unsigned long count ); +extern void outb( u32 reg, u8 val ); +extern void outw( u32 reg, u16 val ); +extern void outl( u32 reg, u32 val ); +extern void outsw( u32 reg, const void *addr, unsigned long count); +#endif +#endif |