summaryrefslogtreecommitdiffstats
path: root/exec-obsolete.h
diff options
context:
space:
mode:
Diffstat (limited to 'exec-obsolete.h')
-rw-r--r--exec-obsolete.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/exec-obsolete.h b/exec-obsolete.h
index 880105e..698d7fc 100644
--- a/exec-obsolete.h
+++ b/exec-obsolete.h
@@ -63,6 +63,55 @@ void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
int cpu_physical_memory_set_dirty_tracking(int enable);
+#define VGA_DIRTY_FLAG 0x01
+#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)
+{
+ return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
+}
+
+static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
+{
+ return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
+}
+
+static inline int cpu_physical_memory_get_dirty(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;
+}
+
+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_mask_dirty_range(ram_addr_t start,
+ int length,
+ int dirty_flags)
+{
+ int i, mask, len;
+ uint8_t *p;
+
+ len = length >> TARGET_PAGE_BITS;
+ mask = ~dirty_flags;
+ p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
+ for (i = 0; i < len; i++) {
+ p[i] &= mask;
+ }
+}
+
+void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
+ int dirty_flags);
#endif
#endif
OpenPOWER on IntegriCloud