/* mem_addr is the guest physical memory address */
-static int mem_hook_dispatch(struct guest_info * info, addr_t fault_addr, addr_t guest_phys_page, pf_error_t access_info, struct vmm_mem_hook * hook) {
+static int mem_hook_dispatch(struct guest_info * info,
+ addr_t fault_gva, addr_t fault_gpa,
+ pf_error_t access_info, struct vmm_mem_hook * hook)
+{
// emulate and then dispatch
// or dispatch and emulate
if (access_info.write == 1) {
- void * src = NULL;
- uint_t length = 0;
-
- PrintDebug("Memory hook write\n");
- return -1;
-
- if (hook->write(fault_addr, src, length, hook->priv_data) != length) {
+ if (v3_emulate_memory_write(info, fault_gva, hook->write, fault_gpa, hook->priv_data) == -1) {
+ PrintError("Memory write emulation failed\n");
return -1;
}
+
} else {
- PrintDebug("Memory hook read\n");
- return -1;
+ if (v3_emulate_memory_read(info, fault_gva, hook->read, fault_gpa, hook->priv_data) == -1) {
+ PrintError("Memory read emulation failed\n");
+ return -1;
+ }
}
- return -1;
+ return 0;
}
-int handle_special_page_fault(struct guest_info * info, addr_t fault_addr, addr_t guest_phys_page, pf_error_t access_info) {
- struct shadow_region * reg = get_shadow_region_by_addr(&(info->mem_map), guest_phys_page);
+int handle_special_page_fault(struct guest_info * info,
+ addr_t fault_gva, addr_t fault_gpa,
+ pf_error_t access_info)
+{
+ struct shadow_region * reg = get_shadow_region_by_addr(&(info->mem_map), fault_gpa);
switch (reg->host_type) {
case HOST_REGION_HOOK:
- return mem_hook_dispatch(info, fault_addr, guest_phys_page, access_info, (struct vmm_mem_hook *)(reg->host_addr));
+ return mem_hook_dispatch(info, fault_gva, fault_gpa, access_info, (struct vmm_mem_hook *)(reg->host_addr));
default:
return -1;
}
