diff options
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 169 |
1 files changed, 5 insertions, 164 deletions
@@ -1732,129 +1732,6 @@ const CPULogItem cpu_log_items[] = { { 0, NULL, NULL }, }; -#ifndef CONFIG_USER_ONLY -static QLIST_HEAD(memory_client_list, CPUPhysMemoryClient) memory_client_list - = QLIST_HEAD_INITIALIZER(memory_client_list); - -static void cpu_notify_set_memory(target_phys_addr_t start_addr, - ram_addr_t size, - ram_addr_t phys_offset, - bool log_dirty) -{ - CPUPhysMemoryClient *client; - QLIST_FOREACH(client, &memory_client_list, list) { - client->set_memory(client, start_addr, size, phys_offset, log_dirty); - } -} - -static int cpu_notify_sync_dirty_bitmap(target_phys_addr_t start, - target_phys_addr_t end) -{ - CPUPhysMemoryClient *client; - QLIST_FOREACH(client, &memory_client_list, list) { - int r = client->sync_dirty_bitmap(client, start, end); - if (r < 0) - return r; - } - return 0; -} - -static int cpu_notify_migration_log(int enable) -{ - CPUPhysMemoryClient *client; - if (enable) { - memory_global_dirty_log_start(); - } else { - memory_global_dirty_log_stop(); - } - QLIST_FOREACH(client, &memory_client_list, list) { - int r = client->migration_log(client, enable); - if (r < 0) - return r; - } - return 0; -} - -struct last_map { - target_phys_addr_t start_addr; - ram_addr_t size; - ram_addr_t phys_offset; -}; - -/* The l1_phys_map provides the upper P_L1_BITs of the guest physical - * address. Each intermediate table provides the next L2_BITs of guest - * physical address space. The number of levels vary based on host and - * guest configuration, making it efficient to build the final guest - * physical address by seeding the L1 offset and shifting and adding in - * each L2 offset as we recurse through them. */ -static void phys_page_for_each_1(CPUPhysMemoryClient *client, int level, - void **lp, target_phys_addr_t addr, - struct last_map *map) -{ - int i; - - if (*lp == NULL) { - return; - } - if (level == 0) { - PhysPageDesc *pd = *lp; - addr <<= L2_BITS + TARGET_PAGE_BITS; - for (i = 0; i < L2_SIZE; ++i) { - if (pd[i].phys_offset != IO_MEM_UNASSIGNED) { - target_phys_addr_t start_addr = addr | i << TARGET_PAGE_BITS; - - if (map->size && - start_addr == map->start_addr + map->size && - pd[i].phys_offset == map->phys_offset + map->size) { - - map->size += TARGET_PAGE_SIZE; - continue; - } else if (map->size) { - client->set_memory(client, map->start_addr, - map->size, map->phys_offset, false); - } - - map->start_addr = start_addr; - map->size = TARGET_PAGE_SIZE; - map->phys_offset = pd[i].phys_offset; - } - } - } else { - void **pp = *lp; - for (i = 0; i < L2_SIZE; ++i) { - phys_page_for_each_1(client, level - 1, pp + i, - (addr << L2_BITS) | i, map); - } - } -} - -static void phys_page_for_each(CPUPhysMemoryClient *client) -{ - int i; - struct last_map map = { }; - - for (i = 0; i < P_L1_SIZE; ++i) { - phys_page_for_each_1(client, P_L1_SHIFT / L2_BITS - 1, - l1_phys_map + i, i, &map); - } - if (map.size) { - client->set_memory(client, map.start_addr, map.size, map.phys_offset, - false); - } -} - -void cpu_register_phys_memory_client(CPUPhysMemoryClient *client) -{ - QLIST_INSERT_HEAD(&memory_client_list, client, list); - phys_page_for_each(client); -} - -void cpu_unregister_phys_memory_client(CPUPhysMemoryClient *client) -{ - QLIST_REMOVE(client, list); -} -#endif - static int cmp1(const char *s1, int n, const char *s2) { if (strlen(s2) != n) @@ -2131,7 +2008,11 @@ int cpu_physical_memory_set_dirty_tracking(int enable) { int ret = 0; in_migration = enable; - ret = cpu_notify_migration_log(!!enable); + if (enable) { + memory_global_dirty_log_start(); + } else { + memory_global_dirty_log_stop(); + } return ret; } @@ -2140,45 +2021,6 @@ int cpu_physical_memory_get_dirty_tracking(void) return in_migration; } -int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, - target_phys_addr_t end_addr) -{ - int ret; - - ret = cpu_notify_sync_dirty_bitmap(start_addr, end_addr); - return ret; -} - -int cpu_physical_log_start(target_phys_addr_t start_addr, - ram_addr_t size) -{ - CPUPhysMemoryClient *client; - QLIST_FOREACH(client, &memory_client_list, list) { - if (client->log_start) { - int r = client->log_start(client, start_addr, size); - if (r < 0) { - return r; - } - } - } - return 0; -} - -int cpu_physical_log_stop(target_phys_addr_t start_addr, - ram_addr_t size) -{ - CPUPhysMemoryClient *client; - QLIST_FOREACH(client, &memory_client_list, list) { - if (client->log_stop) { - int r = client->log_stop(client, start_addr, size); - if (r < 0) { - return r; - } - } - } - return 0; -} - static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry) { ram_addr_t ram_addr; @@ -2681,7 +2523,6 @@ void cpu_register_physical_memory_log(target_phys_addr_t start_addr, subpage_t *subpage; assert(size); - cpu_notify_set_memory(start_addr, size, phys_offset, log_dirty); if (phys_offset == IO_MEM_UNASSIGNED) { region_offset = start_addr; |