diff options
| -rw-r--r-- | kernel/portio.h | 6 | ||||
| -rw-r--r-- | kernel/printf.c | 3 |
2 files changed, 7 insertions, 2 deletions
diff --git a/kernel/portio.h b/kernel/portio.h new file mode 100644 index 0000000..06e0802 --- /dev/null +++ b/kernel/portio.h @@ -0,0 +1,6 @@ +#ifndef PORTIO_H +#define PORTIO_H + +#define outb(port, value) asm volatile("out %b0,%w1" : : "a" (value), "d" (port)); + +#endif diff --git a/kernel/printf.c b/kernel/printf.c index 4b3a632..0b51f8d 100644 --- a/kernel/printf.c +++ b/kernel/printf.c @@ -1,7 +1,6 @@ #include "printf.h" #include "types.h" - -#define outb(port, value) asm volatile("out %b0,%w1" : : "a" (value), "d" (port)); +#include "portio.h" void putchar(char c) { if(c == '\n') { |