diff options
Diffstat (limited to 'sys/sparc64/include/iommureg.h')
| -rw-r--r-- | sys/sparc64/include/iommureg.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/sparc64/include/iommureg.h b/sys/sparc64/include/iommureg.h index e36d837..65d59ce 100644 --- a/sys/sparc64/include/iommureg.h +++ b/sys/sparc64/include/iommureg.h @@ -40,7 +40,7 @@ #define _MACHINE_IOMMUREG_H_ /* - * UltraSPARC IOMMU registers, common to both the sbus and PCI + * UltraSPARC IOMMU registers, common to both the PCI and SBus * controllers. */ @@ -65,7 +65,7 @@ #define STRBUF_D 0x0000000000000002UL #define IOMMU_BITS 34 -#define IOMMU_MAXADDR (1UL << IOMMU_BITS) +#define IOMMU_MAXADDR ((1UL << IOMMU_BITS) - 1) /* * control register bits @@ -140,7 +140,7 @@ #define STRBUF_FLUSHSYNC_NBYTES STRBUF_LINESZ /* - * On sun4u each bus controller has a separate IOMMU. The IOMMU has + * On sun4u each bus controller has a separate IOMMU. The IOMMU has * a TSB which must be page aligned and physically contiguous. Mappings * can be of 8K IOMMU pages or 64K IOMMU pages. We use 8K for compatibility * with the CPU's MMU. @@ -168,7 +168,7 @@ #define IOTSB_BASESZ (1024 << IOTTE_SHIFT) #define IOTSB_VEND (~IO_PAGE_MASK) -#define IOTSB_VSTART(sz) (u_int)(IOTSB_VEND << ((sz) + 10)) +#define IOTSB_VSTART(sz) (u_int)(IOTSB_VEND << ((sz) + 10)) #define MAKEIOTTE(pa,w,c,s) \ (((pa) & IOTTE_PAMASK) | ((w) ? IOTTE_W : 0) | \ |
