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-rw-r--r--kernel/portio.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/portio.h b/kernel/portio.h
index 06e0802..f9caf33 100644
--- a/kernel/portio.h
+++ b/kernel/portio.h
@@ -1,6 +1,13 @@
#ifndef PORTIO_H
#define PORTIO_H
-#define outb(port, value) asm volatile("out %b0,%w1" : : "a" (value), "d" (port));
+#define outb(port, value) asm volatile("outb %b0, %w1" : : "a" (value), "d" (port));
+#define inb(port, value) asm volatile("inb %w1, %b0" : : "a" (value), "d" (port));
+
+#define outw(port, value) asm volatile("outw %w0, %w1" : : "a" (value), "d" (port));
+#define inw(port, value) asm volatile("inw %w1, %w0" : : "a" (value), "d" (port));
+
+#define outl(port, value) asm volatile("outl %0, %w1" : : "a" (value), "d" (port));
+#define inl(port, value) asm volatile("inl %w1, %0" : : "a" (value), "d" (port));
#endif