X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_shadow_paging_32.h;h=68766490cbcd09caccc77907f3610f0b25dfb8dc;hb=3a47eb153e415d718e5d5601b79767b7335a149f;hp=28e718efa3c3c66520207cf7129ac7e629d7eaf1;hpb=bce4e326ef3e3e9f9a0bd2fd06254c0d8edb8437;p=palacios.git diff --git a/palacios/src/palacios/vmm_shadow_paging_32.h b/palacios/src/palacios/vmm_shadow_paging_32.h index 28e718e..6876649 100644 --- a/palacios/src/palacios/vmm_shadow_paging_32.h +++ b/palacios/src/palacios/vmm_shadow_paging_32.h @@ -63,11 +63,11 @@ static inline int activate_shadow_pt_32(struct guest_info * info) { PrintError("CR3 Cache failed\n"); return -1; } else if (cached == 0) { - addr_t shadow_pt; - - shadow_pt = create_new_shadow_pt(info); + struct shadow_page_data * shdw_page = create_new_shadow_pt(info); + + shdw_page->cr3 = shdw_page->page_pa; - shadow_cr3->pdt_base_addr = (addr_t)V3_PAddr((void *)(addr_t)PAGE_BASE_ADDR(shadow_pt)); + shadow_cr3->pdt_base_addr = PAGE_BASE_ADDR(shdw_page->page_pa); PrintDebug( "Created new shadow page table %p\n", (void *)BASE_TO_PAGE_ADDR(shadow_cr3->pdt_base_addr)); } else { PrintDebug("Reusing cached shadow Page table\n"); @@ -133,7 +133,8 @@ static inline int handle_shadow_pagefault_32(struct guest_info * info, addr_t fa if (shadow_pde_access == PT_ACCESS_NOT_PRESENT) { - pte32_t * shadow_pt = (pte32_t *)create_new_shadow_pt(info); + struct shadow_page_data * shdw_page = create_new_shadow_pt(info); + pte32_t * shadow_pt = (pte32_t *)V3_VAddr((void *)shdw_page->page_pa); shadow_pde->present = 1; shadow_pde->user_page = guest_pde->user_page; @@ -207,8 +208,7 @@ static inline int handle_shadow_pagefault_32(struct guest_info * info, addr_t fa } } else if ((shadow_pde_access == PT_ACCESS_WRITE_ERROR) && - (guest_pde->large_page == 1) && - (((pde32_4MB_t *)guest_pde)->dirty == 0)) + (guest_pde->large_page == 1)) { // // Page Directory Entry marked read-only @@ -404,6 +404,7 @@ static int handle_shadow_pte32_fault(struct guest_info * info, inject_guest_pf(info, fault_addr, error_code); return 0; } + if (shadow_pte_access == PT_ACCESS_OK) {