X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/c43bc43891ee5fad288ca72f101878bd84164845..81148fa15713ee68be49610206526d0725a5868f:/include/raw/io.h

diff --git a/include/raw/io.h b/include/raw/io.h
new file mode 100644
index 0000000..5fd0b19
--- /dev/null
+++ b/include/raw/io.h
@@ -0,0 +1,11 @@
+#ifndef __IO_H
+#define __IO_H
+
+#define inb(port) ({ unsigned char val; asm volatile("inb %%dx, %0" : "=a" ((unsigned char)(val)) : "d" ((unsigned short)(port))); val; })
+#define inw(port) ({ unsigned short val; asm volatile("inw %%dx, %0" : "=a" ((unsigned short)(val)) : "d" ((unsigned short)(port))); val; })
+#define inl(port) ({ unsigned long val; asm volatile("inl %%dx, %0" : "=a" ((unsigned long)(val)) : "d" ((unsigned short)(port))); val; })
+#define outb(port, val) ({ asm volatile("outb %0, %%dx" : : "a" ((unsigned char)(val)) , "d" ((unsigned short)(port))); })
+#define outw(port, val) ({ asm volatile("outw %0, %%dx" : : "a" ((unsigned short)(val)) , "d" ((unsigned short)(port))); })
+#define outl(port, val) ({ asm volatile("outl %0, %%dx" : : "a" ((unsigned long)(val)) , "d" ((unsigned short)(port))); })
+
+#endif