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Add dirty tracking for live migration

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This patch adds a dirty tracking bit for live migration.  We use 0x08 because
kqemu uses 0x04.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5433 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2008-10-06 14:02:03 +00:00
parent c6ca28d636
commit 74576198d7
2 changed files with 33 additions and 4 deletions
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10
cpu-all.h
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@ -904,8 +904,10 @@ void cpu_physical_memory_write_rom(target_phys_addr_t addr,
int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
uint8_t *buf, int len, int is_write);
#define VGA_DIRTY_FLAG 0x01
#define CODE_DIRTY_FLAG 0x02
#define VGA_DIRTY_FLAG 0x01
#define CODE_DIRTY_FLAG 0x02
#define KQEMU_DIRTY_FLAG 0x04
#define MIGRATION_DIRTY_FLAG 0x08
/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
@ -928,6 +930,10 @@ void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
int dirty_flags);
void cpu_tlb_update_dirty(CPUState *env);
int cpu_physical_memory_set_dirty_tracking(int enable);
int cpu_physical_memory_get_dirty_tracking(void);
void dump_exec_info(FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...));