X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/8f946ddedda18836cfc4846e8496b30772503267..035d7af7dd4727735ec57f8195a4842e31ffc997:/include/io.h

diff --git a/include/io.h b/include/io.h
new file mode 100644
index 0000000..5fd0b19
--- /dev/null
+++ b/include/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