diff options
| -rw-r--r-- | exec-obsolete.h | 40 | ||||
| -rw-r--r-- | exec.c | 3 |
2 files changed, 21 insertions, 22 deletions
diff --git a/exec-obsolete.h b/exec-obsolete.h index 792c831718..f8ffce607a 100644 --- a/exec-obsolete.h +++ b/exec-obsolete.h @@ -45,15 +45,15 @@ int cpu_physical_memory_set_dirty_tracking(int enable); #define CODE_DIRTY_FLAG 0x02 #define MIGRATION_DIRTY_FLAG 0x08 -/* read dirty bit (return 0 or 1) */ -static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) +static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) { - return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff; + return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS]; } -static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) +/* read dirty bit (return 0 or 1) */ +static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) { - return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS]; + return cpu_physical_memory_get_dirty_flags(addr) == 0xff; } static inline int cpu_physical_memory_get_dirty(ram_addr_t start, @@ -61,41 +61,45 @@ static inline int cpu_physical_memory_get_dirty(ram_addr_t start, int dirty_flags) { int ret = 0; - uint8_t *p; ram_addr_t addr, end; end = TARGET_PAGE_ALIGN(start + length); start &= TARGET_PAGE_MASK; - p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { - ret |= *p++ & dirty_flags; + ret |= cpu_physical_memory_get_dirty_flags(addr) & dirty_flags; } return ret; } +static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr, + int dirty_flags) +{ + return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags; +} + static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) { - ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff; + cpu_physical_memory_set_dirty_flags(addr, 0xff); } -static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr, - int dirty_flags) +static inline int cpu_physical_memory_clear_dirty_flags(ram_addr_t addr, + int dirty_flags) { - return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags; + int mask = ~dirty_flags; + + return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask; } static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start, ram_addr_t length, int dirty_flags) { - uint8_t *p; ram_addr_t addr, end; end = TARGET_PAGE_ALIGN(start + length); start &= TARGET_PAGE_MASK; - p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { - *p++ |= dirty_flags; + cpu_physical_memory_set_dirty_flags(addr, dirty_flags); } } @@ -103,16 +107,12 @@ static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start, ram_addr_t length, int dirty_flags) { - int mask; - uint8_t *p; ram_addr_t addr, end; end = TARGET_PAGE_ALIGN(start + length); start &= TARGET_PAGE_MASK; - mask = ~dirty_flags; - p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { - *p++ &= mask; + cpu_physical_memory_clear_dirty_flags(addr, dirty_flags); } } @@ -2565,8 +2565,7 @@ ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, ram_list.phys_dirty = g_realloc(ram_list.phys_dirty, last_ram_offset() >> TARGET_PAGE_BITS); - memset(ram_list.phys_dirty + (new_block->offset >> TARGET_PAGE_BITS), - 0xff, size >> TARGET_PAGE_BITS); + cpu_physical_memory_set_dirty_range(new_block->offset, size, 0xff); if (kvm_enabled()) kvm_setup_guest_memory(new_block->host, size); |