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authorJuan Quintela <quintela@redhat.com>2013-10-08 11:57:21 +0200
committerJuan Quintela <quintela@redhat.com>2014-01-13 14:04:53 +0100
commit7e5609a85e3f35965af5e4c7b1480254642cf2dd (patch)
tree8efec8979b52563716c54fa433666091789017e5
parenta1390db4df32ad95bf7854944180d2343f7f6368 (diff)
downloadhqemu-7e5609a85e3f35965af5e4c7b1480254642cf2dd.zip
hqemu-7e5609a85e3f35965af5e4c7b1480254642cf2dd.tar.gz
exec: create function to get a single dirty bit
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
-rw-r--r--exec.c2
-rw-r--r--include/exec/memory-internal.h6
2 files changed, 7 insertions, 1 deletions
diff --git a/exec.c b/exec.c
index c42a2f9..ea78d82 100644
--- a/exec.c
+++ b/exec.c
@@ -1487,7 +1487,7 @@ static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
{
int dirty_flags;
dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
- if (!(dirty_flags & CODE_DIRTY_FLAG)) {
+ if (!cpu_physical_memory_get_dirty_flag(ram_addr, CODE_DIRTY_FLAG)) {
tb_invalidate_phys_page_fast(ram_addr, size);
dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
}
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index 4ebab80..136198c 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -49,6 +49,12 @@ static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
}
+static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
+ int dirty_flag)
+{
+ return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flag;
+}
+
/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
{
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