diff options
| author | Doug Rabson <dfr@FreeBSD.org> | 1998-08-17 08:57:05 +0000 |
|---|---|---|
| committer | Doug Rabson <dfr@FreeBSD.org> | 1998-08-17 08:57:05 +0000 |
| commit | e31fa854a09d7c8384e9849c79e70ef380006176 (patch) | |
| tree | 3babe2cec92063aed9cadaa6d37ac33c85f9099c /sys/amd64/include | |
| parent | 744857bc1cea07d408e35d6af9a72166b82cf501 (diff) | |
Notes
Diffstat (limited to 'sys/amd64/include')
| -rw-r--r-- | sys/amd64/include/cpufunc.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index 336ac02504e2..977003cb5c23 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -30,7 +30,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: cpufunc.h,v 1.79 1998/05/17 18:53:08 tegge Exp $ + * $Id: cpufunc.h,v 1.80 1998/07/11 04:58:25 bde Exp $ */ /* @@ -49,6 +49,14 @@ extern int tlb_flush_count; #endif +#define readb(va) (*(volatile u_int8_t *) (va)) +#define readw(va) (*(volatile u_int16_t *) (va)) +#define readl(va) (*(volatile u_int32_t *) (va)) + +#define writeb(va, d) (*(volatile u_int8_t *) (va) = (d)) +#define writew(va, d) (*(volatile u_int16_t *) (va) = (d)) +#define writel(va, d) (*(volatile u_int32_t *) (va) = (d)) + #ifdef __GNUC__ static __inline void |