X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_direct_paging_64.h;h=a0408d9f25d72a2c40367157fa50f128bec9c3b5;hb=293e053b9199b12266c628e9737ecbad2d6497ee;hp=96b8f2120c2e9ae7f52c96266d3fbef7d6ca874b;hpb=fd9690bf0f032246f2d2c596e2467cccc45faff6;p=palacios-OLD.git diff --git a/palacios/src/palacios/vmm_direct_paging_64.h b/palacios/src/palacios/vmm_direct_paging_64.h index 96b8f21..a0408d9 100644 --- a/palacios/src/palacios/vmm_direct_paging_64.h +++ b/palacios/src/palacios/vmm_direct_paging_64.h @@ -46,7 +46,7 @@ static inline int handle_passthrough_pagefault_64(struct guest_info * info, - struct v3_shadow_region * region = v3_get_shadow_region(info->vm_info, info->cpu_id, fault_addr); + struct v3_mem_region * region = v3_get_mem_region(info->vm_info, info->cpu_id, fault_addr); if (region == NULL) { PrintError("Invalid region in passthrough page fault 64, addr=%p\n", @@ -54,9 +54,6 @@ static inline int handle_passthrough_pagefault_64(struct guest_info * info, return -1; } - host_addr = v3_get_shadow_addr(region, info->cpu_id, fault_addr); - // - // Lookup the correct PML address based on the PAGING MODE if (info->shdw_pg_mode == SHADOW_PAGING) { pml = CR3_TO_PML4E64_VA(info->ctrl_regs.cr3); @@ -122,14 +119,20 @@ static inline int handle_passthrough_pagefault_64(struct guest_info * info, pte[pte_index].writable = 0; } + if (v3_gpa_to_hpa(info, fault_addr, &host_addr) == -1) { + PrintError("Error Could not translate fault addr (%p)\n", (void *)fault_addr); + return -1; + } + pte[pte_index].page_base_addr = PAGE_BASE_ADDR(host_addr); + } else { + return region->unhandled(info, fault_addr, fault_addr, region, error_code); } - } - - if (region->flags.hook == 1) { - if ((error_code.write == 1) || (region->flags.read == 0)) { - return v3_handle_mem_hook(info, fault_addr, fault_addr, region, error_code); - } + } else { + // We fix all permissions on the first pass, + // so we only get here if its an unhandled exception + + return region->unhandled(info, fault_addr, fault_addr, region, error_code); } return 0;