diff options
Diffstat (limited to 'sys/mips/include/pmap.h')
| -rw-r--r-- | sys/mips/include/pmap.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sys/mips/include/pmap.h b/sys/mips/include/pmap.h index 4546cff..eedd4f3 100644 --- a/sys/mips/include/pmap.h +++ b/sys/mips/include/pmap.h @@ -145,7 +145,21 @@ typedef struct pv_entry { #define PMAP_DIAGNOSTIC #endif -extern vm_offset_t phys_avail[]; +/* + * physmem_desc[] is a superset of phys_avail[] and describes all the + * memory present in the system. + * + * phys_avail[] is similar but does not include the memory stolen by + * pmap_steal_memory(). + * + * Each memory region is described by a pair of elements in the array + * so we can describe up to (PHYS_AVAIL_ENTRIES / 2) distinct memory + * regions. + */ +#define PHYS_AVAIL_ENTRIES 10 +extern vm_offset_t phys_avail[PHYS_AVAIL_ENTRIES + 2]; +extern vm_offset_t physmem_desc[PHYS_AVAIL_ENTRIES + 2]; + extern char *ptvmmap; /* poor name! */ extern vm_offset_t virtual_avail; extern vm_offset_t virtual_end; @@ -172,6 +186,7 @@ void *pmap_kenter_temporary(vm_paddr_t pa, int i); void pmap_kenter_temporary_free(vm_paddr_t pa); int pmap_compute_pages_to_dump(void); void pmap_update_page(pmap_t pmap, vm_offset_t va, pt_entry_t pte); +void pmap_flush_pvcache(vm_page_t m); /* * floating virtual pages (FPAGES) |
