diff options
Diffstat (limited to 'system/physmem.c')
| -rw-r--r-- | system/physmem.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/system/physmem.c b/system/physmem.c index 3d81272f9f..e555b3196f 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -943,6 +943,15 @@ bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr, unsigned client) return physical_memory_get_dirty(addr, 1, client); } +bool cpu_physical_memory_is_clean(ram_addr_t addr) +{ + bool vga = cpu_physical_memory_get_dirty_flag(addr, DIRTY_MEMORY_VGA); + bool code = cpu_physical_memory_get_dirty_flag(addr, DIRTY_MEMORY_CODE); + bool migration = + cpu_physical_memory_get_dirty_flag(addr, DIRTY_MEMORY_MIGRATION); + return !(vga && code && migration); +} + /* Note: start and end must be within the same ram block. */ bool cpu_physical_memory_test_and_clear_dirty(ram_addr_t start, ram_addr_t length, |