X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_paging.c;h=0d6e9eab659913759280e4a606b88cefe99f8836;hb=56f8088296ee4116a4811a2f4f843edd80a7748d;hp=8eefd5373370bdd2fef3bb676d61a21568833c52;hpb=684409c4ad29c0f06167bebf2bb51e21374a6840;p=palacios.git diff --git a/palacios/src/palacios/vmm_paging.c b/palacios/src/palacios/vmm_paging.c index 8eefd53..0d6e9ea 100644 --- a/palacios/src/palacios/vmm_paging.c +++ b/palacios/src/palacios/vmm_paging.c @@ -1,3 +1,7 @@ +/* (c) 2008, Jack Lange */ +/* (c) 2008, The V3VEE Project */ + + #include #include @@ -5,7 +9,7 @@ #include -extern struct vmm_os_hooks * os_hooks; + void delete_page_tables_pde32(pde32_t * pde) { int i;//, j; @@ -26,12 +30,12 @@ void delete_page_tables_pde32(pde32_t * pde) { } */ //PrintDebug("Deleting PTE %d (%x)\n", i, pte); - os_hooks->free_page(pte); + V3_FreePage(pte); } } // PrintDebug("Deleting PDE (%x)\n", pde); - os_hooks->free_page(pde); + V3_FreePage(pde); } @@ -71,10 +75,12 @@ pde32_entry_type_t pde32_lookup(pde32_t * pd, addr_t addr, addr_t * entry) { *entry = 0; return PDE32_ENTRY_NOT_PRESENT; } else { - *entry = PAGE_ADDR(pde_entry->pt_base_addr); - + if (pde_entry->large_page) { - *entry += PAGE_OFFSET(addr); + pde32_4MB_t * large_pde = (pde32_4MB_t *)pde_entry; + + *entry = PDE32_4MB_T_ADDR(*large_pde); + *entry += PD32_4MB_PAGE_OFFSET(addr); return PDE32_ENTRY_LARGE_PAGE; } else { *entry = PDE32_T_ADDR(*pde_entry); @@ -113,7 +119,7 @@ pt_access_status_t can_access_pde32(pde32_t * pde, addr_t addr, pf_error_t acces } else if ((entry->writable == 0) && (access_type.write == 1)) { return PT_WRITE_ERROR; } else if ((entry->user_page == 0) && (access_type.user == 1)) { - // Check CR0.WP + // Check CR0.WP? return PT_USER_ERROR; } @@ -129,7 +135,7 @@ pt_access_status_t can_access_pte32(pte32_t * pte, addr_t addr, pf_error_t acces } else if ((entry->writable == 0) && (access_type.write == 1)) { return PT_WRITE_ERROR; } else if ((entry->user_page == 0) && (access_type.user == 1)) { - // Check CR0.WP + // Check CR0.WP? return PT_USER_ERROR; } @@ -148,11 +154,11 @@ pde32_t * create_passthrough_pde32_pts(struct guest_info * guest_info) { int i, j; struct shadow_map * map = &(guest_info->mem_map); - pde32_t * pde = os_hooks->allocate_pages(1); + pde32_t * pde = V3_AllocPages(1); for (i = 0; i < MAX_PDE32_ENTRIES; i++) { int pte_present = 0; - pte32_t * pte = os_hooks->allocate_pages(1); + pte32_t * pte = V3_AllocPages(1); for (j = 0; j < MAX_PTE32_ENTRIES; j++) { @@ -203,7 +209,7 @@ pde32_t * create_passthrough_pde32_pts(struct guest_info * guest_info) { } if (pte_present == 0) { - os_hooks->free_page(pte); + V3_FreePage(pte); pde[i].present = 0; pde[i].writable = 0;