diff options
| -rw-r--r-- | kernel/portio.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/portio.h b/kernel/portio.h index f9caf33..9f2b07b 100644 --- a/kernel/portio.h +++ b/kernel/portio.h @@ -1,13 +1,13 @@ #ifndef PORTIO_H #define PORTIO_H -#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 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 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)); +#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 |