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Diffstat (limited to 'qemu/roms/openbios/include/arch/ia64/io.h')
-rw-r--r--qemu/roms/openbios/include/arch/ia64/io.h59
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