diff options
Diffstat (limited to 'sys/ia64/include/vmparam.h')
| -rw-r--r-- | sys/ia64/include/vmparam.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/ia64/include/vmparam.h b/sys/ia64/include/vmparam.h index 69480a3859d8..07fd4fbad731 100644 --- a/sys/ia64/include/vmparam.h +++ b/sys/ia64/include/vmparam.h @@ -134,6 +134,17 @@ #define IA64_PHYS_TO_RR7(x) ((x) | IA64_RR_BASE(7)) /* + * Page size of the identity mappings in region 7. + */ +#ifndef LOG2_ID_PAGE_SIZE +#define LOG2_ID_PAGE_SIZE 28 /* 256M */ +#endif + +#define IA64_ID_PAGE_SHIFT (LOG2_ID_PAGE_SIZE) +#define IA64_ID_PAGE_SIZE (1<<(LOG2_ID_PAGE_SIZE)) +#define IA64_ID_PAGE_MASK (IA64_ID_PAGE_SIZE-1) + +/* * Mach derived constants */ |