haraldwolff/qemu-patch-raspberry4
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exec: create function to get a single dirty bit

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Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
This commit is contained in:
Juan Quintela 2013-10-08 11:57:21 +02:00
parent a1390db4df
commit 7e5609a85e
2 changed files with 7 additions and 1 deletions
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2
exec.c
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@ -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);
}

6
include/exec/memory-internal.h
View file

@ -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)
{