}
int v3_gpa_to_hpa(struct guest_info * info, addr_t gpa, addr_t * hpa) {
- struct v3_mem_region * reg = v3_get_mem_region(info->vm_info, info->cpu_id, gpa);
+ struct v3_mem_region * reg = v3_get_mem_region(info->vm_info, info->vcpu_id, gpa);
if (reg == NULL) {
PrintError("In GPA->HPA: Could not find address in shadow map (addr=%p) (NULL REGION)\n",
switch (guest_info->cpu_mode) {
case PROTECTED:
if (v3_translate_guest_pt_32(guest_info, guest_cr3, gva, gpa) == -1) {
- /*PrintDebug("Could not translate addr (%p) through 32 bit guest PT at %p\n",
- (void *)gva, (void *)(addr_t)guest_cr3);*/
+ PrintDebug("Could not translate addr (%p) through 32 bit guest PT at %p\n",
+ (void *)gva, (void *)(addr_t)guest_cr3);
return -1;
}
break;
case PROTECTED_PAE:
if (v3_translate_guest_pt_32pae(guest_info, guest_cr3, gva, gpa) == -1) {
- /*PrintDebug("Could not translate addr (%p) through 32 bitpae guest PT at %p\n",
- (void *)gva, (void *)(addr_t)guest_cr3);*/
+ PrintDebug("Could not translate addr (%p) through 32 bitpae guest PT at %p\n",
+ (void *)gva, (void *)(addr_t)guest_cr3);
return -1;
}
break;
case LONG_32_COMPAT:
case LONG_16_COMPAT:
if (v3_translate_guest_pt_64(guest_info, guest_cr3, gva, gpa) == -1) {
- /*PrintDebug("Could not translate addr (%p) through 64 bit guest PT at %p\n",
- (void *)gva, (void *)(addr_t)guest_cr3);*/
+ PrintDebug("Could not translate addr (%p) through 64 bit guest PT at %p\n",
+ (void *)gva, (void *)(addr_t)guest_cr3);
return -1;
}
break;
*hva = 0;
if (v3_gva_to_gpa(guest_info, gva, &gpa) != 0) {
- /*PrintError("In GVA->HVA: Invalid GVA(%p)->GPA lookup\n",
- (void *)gva);*/
+ PrintError("In GVA->HVA: Invalid GVA(%p)->GPA lookup\n",
+ (void *)gva);
return -1;
}
-/* KCH: currently only checks if we can perform a user-mode write
- return 1 on success */
-int v3_gva_can_access(struct guest_info * core, addr_t gva) {
-
- v3_reg_t guest_cr3 = 0;
- pf_error_t access_type;
- pt_access_status_t access_status;
-
- access_type.write = 1;
- access_type.user = 1;
-
- if (core->mem_mode == PHYSICAL_MEM) {
- return -1;
- }
-
- if (core->shdw_pg_mode == SHADOW_PAGING) {
- guest_cr3 = core->shdw_pg_state.guest_cr3;
- } else {
- guest_cr3 = core->ctrl_regs.cr3;
- }
-
- // guest is in paged mode
- switch (core->cpu_mode) {
- case PROTECTED:
- if (v3_check_guest_pt_32(core, guest_cr3, gva, access_type, &access_status) == -1) {
- return -1;
- }
- break;
- case PROTECTED_PAE:
- if (v3_check_guest_pt_32pae(core, guest_cr3, gva, access_type, &access_status) == -1) {
- return -1;
- }
- break;
- case LONG:
- case LONG_32_COMPAT:
- case LONG_16_COMPAT:
- if (v3_check_guest_pt_64(core, guest_cr3, gva, access_type, &access_status) == -1) {
- return -1;
- }
- break;
- default:
- return -1;
- }
-
- if (access_status != PT_ACCESS_OK) {
- return 0;
- } else {
- return 1;
- }
-}