diff options
Diffstat (limited to 'cpu-all.h')
| -rw-r--r-- | cpu-all.h | 20 |
1 files changed, 18 insertions, 2 deletions
@@ -500,6 +500,7 @@ int cpu_inl(CPUState *env, int addr); extern int phys_ram_size; extern int phys_ram_fd; extern uint8_t *phys_ram_base; +extern uint8_t *phys_ram_dirty; /* physical memory access */ #define IO_MEM_NB_ENTRIES 256 @@ -509,9 +510,11 @@ extern uint8_t *phys_ram_base; #define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */ #define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */ #define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT) -#define IO_MEM_CODE (3 << IO_MEM_SHIFT) +#define IO_MEM_CODE (3 << IO_MEM_SHIFT) /* used internally, never use directly */ +#define IO_MEM_NOTDIRTY (4 << IO_MEM_SHIFT) /* used internally, never use directly */ -typedef void CPUWriteMemoryFunc(uint32_t addr, uint32_t value); +/* NOTE: vaddr is only used internally. Never use it except if you know what you do */ +typedef void CPUWriteMemoryFunc(uint32_t addr, uint32_t value, uint32_t vaddr); typedef uint32_t CPUReadMemoryFunc(uint32_t addr); void cpu_register_physical_memory(unsigned long start_addr, unsigned long size, @@ -525,6 +528,19 @@ void cpu_physical_memory_rw(CPUState *env, uint8_t *buf, target_ulong addr, int cpu_memory_rw_debug(CPUState *env, uint8_t *buf, target_ulong addr, int len, int is_write); +/* read dirty bit (return 0 or 1) */ +static inline int cpu_physical_memory_is_dirty(target_ulong addr) +{ + return phys_ram_dirty[addr >> TARGET_PAGE_BITS]; +} + +static inline void cpu_physical_memory_set_dirty(target_ulong addr) +{ + phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 1; +} + +void cpu_physical_memory_reset_dirty(target_ulong start, target_ulong end); + /* gdb stub API */ extern int gdbstub_fd; CPUState *cpu_gdbstub_get_env(void *opaque); |