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[Qemu-devel] [PATCH 06/39] exec: create function to get a single dirty b
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 06/39] exec: create function to get a single dirty bit |
Date: |
Wed, 6 Nov 2013 14:04:15 +0100 |
Signed-off-by: Juan Quintela <address@hidden>
---
exec.c | 3 ++-
include/exec/memory-internal.h | 6 ++++++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/exec.c b/exec.c
index 7cf5634..36b0a66 100644
--- a/exec.c
+++ b/exec.c
@@ -1374,9 +1374,10 @@ found:
static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
uint64_t val, unsigned size)
{
+
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..9cd2f53 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)
{
--
1.8.3.1
- [Qemu-devel] [PATCH v2 00/39] bitmap handling optimization, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 01/39] Move prototypes to memory.h, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 02/39] memory: cpu_physical_memory_set_dirty_flags() result is never used, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 04/39] exec: use accessor function to know if memory is dirty, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 03/39] memory: cpu_physical_memory_set_dirty_range() return void, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 06/39] exec: create function to get a single dirty bit,
Juan Quintela <=
- [Qemu-devel] [PATCH 08/39] exec: simplify notdirty_mem_write(), Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 05/39] memory: create function to set a single dirty bit, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 07/39] memory: make cpu_physical_memory_is_dirty return bool, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 10/39] memory: set single dirty flags when possible, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 11/39] memory: cpu_physical_memory_set_dirty_range() allways dirty all flags, Juan Quintela, 2013/11/06
- [Qemu-devel] [PATCH 09/39] memory: all users of cpu_physical_memory_get_dirty used only one flag, Juan Quintela, 2013/11/06