diff options
Diffstat (limited to 'sys/arch/sun3')
| -rw-r--r-- | sys/arch/sun3/sun3/pmap.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/sys/arch/sun3/sun3/pmap.c b/sys/arch/sun3/sun3/pmap.c index 8983cd4bb05..53eff4b06eb 100644 --- a/sys/arch/sun3/sun3/pmap.c +++ b/sys/arch/sun3/sun3/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.19 2000/03/02 23:02:14 todd Exp $ */ +/* $OpenBSD: pmap.c,v 1.20 2000/06/19 01:33:02 miod Exp $ */ /* $NetBSD: pmap.c,v 1.64 1996/11/20 18:57:35 gwr Exp $ */ /*- @@ -388,6 +388,7 @@ static void sun3_protection_init __P((void)); static void pmap_common_init __P((pmap_t pmap)); static void pmap_user_pmap_init __P((pmap_t pmap)); +static void pmap_page_upload __P((void)); static void pmap_remove_range_mmu __P((pmap_t, vm_offset_t, vm_offset_t)); static void pmap_remove_range_noctx __P((pmap_t, vm_offset_t, vm_offset_t)); @@ -402,6 +403,10 @@ static void pmap_protect_range_noctx __P((pmap_t, vm_offset_t, vm_offset_t)); static void pmap_protect_range_mmu __P((pmap_t, vm_offset_t, vm_offset_t)); static void pmap_protect_range __P((pmap_t, vm_offset_t, vm_offset_t)); +extern int pmap_page_index __P((paddr_t)); +extern u_int pmap_free_pages __P((void)); +extern int pmap_next_page __P((vm_offset_t *)); + /* * Debugging support. @@ -1374,9 +1379,11 @@ pv_unlink(pmap, pa, va) for (prev = head;; prev = npv, npv = npv->pv_next) { pmap_stats.ps_unlink_pvsearch++; if (npv == NULL) { +#ifdef PMAP_DEBUG printf("pv_unlink: not on list (pa=%x,va=%x)\n", pa, va); Debugger(); /* XXX */ +#endif return; } if (npv->pv_pmap == pmap && npv->pv_va == va) @@ -1491,6 +1498,8 @@ pmap_bootstrap() context_init(); pmeg_clean_free(); + + pmap_page_upload(); } /* @@ -1636,6 +1645,31 @@ pmap_user_pmap_init(pmap) } } +/* Provide memory to the VM system. */ +static void +pmap_page_upload() +{ + int a, b, c, d; + + if (hole_size) { + /* + * Supply the memory in two segments so the + * reserved memory (3/50 video ram at 1MB) + * can be carved from the front of the 2nd. + */ + a = atop(avail_start); + b = atop(hole_start); + vm_page_physload(a, b, a, b); + c = atop(hole_start + hole_size); + d = atop(avail_end); + vm_page_physload(b, d, c, d); + } else { + a = atop(avail_start); + d = atop(avail_end); + vm_page_physload(a, d, a, d); + } +} + /* * Create and return a physical map. * @@ -2773,8 +2807,10 @@ pmap_extract(pmap, va) } PMAP_UNLOCK(); if ((pte & PG_VALID) == 0) { +#ifdef PMAP_DEBUG printf("pmap_extract: invalid va=0x%x\n", va); Debugger(); +#endif pte = 0; } pa = PG_PA(pte); |