int guest_pa_to_host_pa(struct guest_info * guest_info, addr_t guest_pa, addr_t * host_pa) {
- // we use the shadow map here...
- host_region_type_t reg_type = lookup_shadow_map_addr(&(guest_info->mem_map), guest_pa, host_pa);
+ struct v3_shadow_region * shdw_reg = v3_get_shadow_region(guest_info, guest_pa);
- if (reg_type != HOST_REGION_PHYSICAL_MEMORY) {
- PrintError("In GPA->HPA: Could not find address in shadow map (addr=%p) (reg_type=%d)\n",
- (void *)guest_pa, reg_type);
+ *host_pa = v3_get_shadow_addr(shdw_reg, guest_pa);
+
+ if ((shdw_reg == NULL) ||
+ (shdw_reg->host_type == SHDW_REGION_INVALID) ||
+ (shdw_reg->host_type == SHDW_REGION_FULL_HOOK)){
+ PrintError("In GPA->HPA: Could not find address in shadow map (addr=%p) (reg_type=%s)\n",
+ (void *)guest_pa, v3_shdw_region_type_to_str(shdw_reg->host_type));
return -1;
}
return 0;
}
- if (guest_info->mem_mode == SHADOW_PAGING) {
+ if (guest_info->shdw_pg_mode == SHADOW_PAGING) {
guest_cr3 = guest_info->shdw_pg_state.guest_cr3;
} else {
guest_cr3 = guest_info->ctrl_regs.cr3;
// Guest Is in Paged mode
switch (guest_info->cpu_mode) {
case PROTECTED:
- return v3_translate_guest_pt_32(guest_info, guest_cr3, guest_va, guest_pa);
+ if (v3_translate_guest_pt_32(guest_info, guest_cr3, guest_va, guest_pa) == -1) {
+ PrintDebug("Could not translate addr (%p) through 32 bit guest PT at %p\n",
+ (void *)guest_va, (void *)(addr_t)guest_cr3);
+ return -1;
+ }
+ break;
case PROTECTED_PAE:
- return v3_translate_guest_pt_32pae(guest_info, guest_cr3, guest_va, guest_pa);
+ if (v3_translate_guest_pt_32pae(guest_info, guest_cr3, guest_va, guest_pa) == -1) {
+ PrintDebug("Could not translate addr (%p) through 32 bitpae guest PT at %p\n",
+ (void *)guest_va, (void *)(addr_t)guest_cr3);
+ return -1;
+ }
+ break;
case LONG:
case LONG_32_COMPAT:
case LONG_16_COMPAT:
- return v3_translate_guest_pt_64(guest_info, guest_cr3, guest_va, guest_pa);
+ if (v3_translate_guest_pt_64(guest_info, guest_cr3, guest_va, guest_pa) == -1) {
+ PrintDebug("Could not translate addr (%p) through 64 bit guest PT at %p\n",
+ (void *)guest_va, (void *)(addr_t)guest_cr3);
+ return -1;
+ }
+ break;
default:
return -1;
}