-// These are the types of physical memory address regions
-// from the perspective of the HOST
-typedef enum shdw_region_type {
- SHDW_REGION_WRITE_HOOK, // This region is mapped as read-only (page faults on write)
- SHDW_REGION_FULL_HOOK, // This region is mapped as not present (always generate page faults)
- SHDW_REGION_ALLOCATED, // Region is a section of host memory
- SHDW_REGION_BASE,
-} v3_shdw_region_type_t;
-
#define V3_MEM_CORE_ANY ((uint16_t)-1)
uint8_t read : 1;
uint8_t write : 1;
uint8_t exec : 1;
- uint8_t hook : 1;
uint8_t base : 1;
uint8_t alloced : 1;
} __attribute__((packed));
-struct v3_shadow_region {
+struct v3_mem_region {
addr_t guest_start;
addr_t guest_end;
- v3_shdw_region_type_t host_type;
v3_mem_flags_t flags;
addr_t host_addr; // This either points to a host address mapping
- // Called when data is read from a memory page
- int (*read_hook)(struct guest_info * core, addr_t guest_addr, void * dst, uint_t length, void * priv_data);
- // Called when data is written to a memory page
- int (*write_hook)(struct guest_info * core, addr_t guest_addr, void * src, uint_t length, void * priv_data);
+ int (*unhandled)(struct guest_info * info, addr_t guest_va, addr_t guest_pa,
+ struct v3_mem_region * reg, pf_error_t access_info);
void * priv_data;
struct v3_mem_map {
- struct v3_shadow_region base_region;
-
- struct rb_root shdw_regions;
+ struct v3_mem_region base_region;
- void * hook_hvas; // this is an array of pages, equal to the number of cores
+ struct rb_root mem_regions;
};
-int v3_add_shadow_mem(struct v3_vm_info * vm, uint16_t core_id,
- addr_t guest_addr_start, addr_t guest_addr_end, addr_t host_addr);
-
-int v3_hook_full_mem(struct v3_vm_info * vm, uint16_t core_id,
- addr_t guest_addr_start, addr_t guest_addr_end,
- int (*read)(struct guest_info * core, addr_t guest_addr, void * dst, uint_t length, void * priv_data),
- int (*write)(struct guest_info * core, addr_t guest_addr, void * src, uint_t length, void * priv_data),
- void * priv_data);
-
-int v3_hook_write_mem(struct v3_vm_info * vm, uint16_t core_id,
- addr_t guest_addr_start, addr_t guest_addr_end, addr_t host_addr,
- int (*write)(struct guest_info * core, addr_t guest_addr, void * src, uint_t length, void * priv_data),
- void * priv_data);
-
-
-int v3_unhook_mem(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr_start);
+struct v3_mem_region * v3_create_mem_region(struct v3_vm_info * vm, uint16_t core_id,
+ addr_t guest_addr_start, addr_t guest_addr_end);
+int v3_insert_mem_region(struct v3_vm_info * vm, struct v3_mem_region * reg);
+void v3_delete_mem_region(struct v3_vm_info * vm, struct v3_mem_region * reg);
-void v3_delete_shadow_region(struct v3_vm_info * vm, struct v3_shadow_region * reg);
-
-
-
-
-struct v3_shadow_region * v3_get_shadow_region(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr);
+/* This is a shortcut function for creating + inserting a memory region which redirects to host memory */
+int v3_add_shadow_mem(struct v3_vm_info * vm, uint16_t core_id,
+ addr_t guest_addr_start, addr_t guest_addr_end, addr_t host_addr);
-addr_t v3_get_shadow_addr(struct v3_shadow_region * reg, uint16_t core_id, addr_t guest_addr);
+struct v3_mem_region * v3_get_mem_region(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr);
+uint32_t v3_get_max_page_size(struct guest_info * core, addr_t fault_addr, v3_cpu_mode_t mode);
void v3_print_mem_map(struct v3_vm_info * vm);
-int v3_handle_mem_hook(struct guest_info * info, addr_t guest_va, addr_t guest_pa,
- struct v3_shadow_region * reg, pf_error_t access_info);
-
-
-#endif // ! __V3VEE__
+#endif /* ! __V3VEE__ */
#endif