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[Qemu-devel] [PATCH 13/28] memory: use DIRTY_MEMORY_* instead of *_DIRTY
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 13/28] memory: use DIRTY_MEMORY_* instead of *_DIRTY_FLAG |
Date: |
Wed, 9 Oct 2013 13:28:35 +0200 |
Instead of the bitmap, we use the bitmap number. Once done this, we
change all names from dirty_flag to memory regions naming of client.
Signed-off-by: Juan Quintela <address@hidden>
---
cputlb.c | 4 ++--
exec.c | 18 +++++++++---------
include/exec/memory-internal.h | 38 +++++++++++++++++---------------------
include/exec/memory.h | 3 ---
memory.c | 10 ++++------
5 files changed, 32 insertions(+), 41 deletions(-)
diff --git a/cputlb.c b/cputlb.c
index 3aaa016..0c2ad48 100644
--- a/cputlb.c
+++ b/cputlb.c
@@ -129,7 +129,7 @@ void tlb_protect_code(ram_addr_t ram_addr)
{
cpu_physical_memory_reset_dirty(ram_addr,
ram_addr + TARGET_PAGE_SIZE,
- CODE_DIRTY_FLAG);
+ DIRTY_MEMORY_CODE);
}
/* update the TLB so that writes in physical page 'phys_addr' are no longer
@@ -137,7 +137,7 @@ void tlb_protect_code(ram_addr_t ram_addr)
void tlb_unprotect_code_phys(CPUArchState *env, ram_addr_t ram_addr,
target_ulong vaddr)
{
- cpu_physical_memory_set_dirty_flag(ram_addr, CODE_DIRTY_FLAG);
+ cpu_physical_memory_set_dirty_flag(ram_addr, DIRTY_MEMORY_CODE);
}
static bool tlb_is_dirty_ram(CPUTLBEntry *tlbe)
diff --git a/exec.c b/exec.c
index f7691a0..4f8f8a2 100644
--- a/exec.c
+++ b/exec.c
@@ -678,7 +678,7 @@ static void tlb_reset_dirty_range_all(ram_addr_t start,
ram_addr_t end,
/* Note: start and end must be within the same ram block. */
void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
- int dirty_flag)
+ unsigned client)
{
uintptr_t length;
@@ -688,7 +688,7 @@ void cpu_physical_memory_reset_dirty(ram_addr_t start,
ram_addr_t end,
length = end - start;
if (length == 0)
return;
- cpu_physical_memory_mask_dirty_range(start, length, dirty_flag);
+ cpu_physical_memory_mask_dirty_range(start, length, client);
if (tcg_enabled()) {
tlb_reset_dirty_range_all(start, end, length);
@@ -1447,7 +1447,7 @@ found:
static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
uint64_t val, unsigned size)
{
- if (!cpu_physical_memory_get_dirty_flag(ram_addr, CODE_DIRTY_FLAG)) {
+ if (!cpu_physical_memory_get_dirty_flag(ram_addr, DIRTY_MEMORY_CODE)) {
tb_invalidate_phys_page_fast(ram_addr, size);
}
switch (size) {
@@ -1463,8 +1463,8 @@ static void notdirty_mem_write(void *opaque, hwaddr
ram_addr,
default:
abort();
}
- cpu_physical_memory_set_dirty_flag(ram_addr, MIGRATION_DIRTY_FLAG);
- cpu_physical_memory_set_dirty_flag(ram_addr, VGA_DIRTY_FLAG);
+ cpu_physical_memory_set_dirty_flag(ram_addr, DIRTY_MEMORY_MIGRATION);
+ cpu_physical_memory_set_dirty_flag(ram_addr, DIRTY_MEMORY_VGA);
/* we remove the notdirty callback only if the code has been
flushed */
if (cpu_physical_memory_is_dirty(ram_addr)) {
@@ -1887,8 +1887,8 @@ static void invalidate_and_set_dirty(hwaddr addr,
/* invalidate code */
tb_invalidate_phys_page_range(addr, addr + length, 0);
/* set dirty bit */
- cpu_physical_memory_set_dirty_flag(addr, VGA_DIRTY_FLAG);
- cpu_physical_memory_set_dirty_flag(addr, MIGRATION_DIRTY_FLAG);
+ cpu_physical_memory_set_dirty_flag(addr, DIRTY_MEMORY_VGA);
+ cpu_physical_memory_set_dirty_flag(addr, DIRTY_MEMORY_MIGRATION);
}
xen_modified_memory(addr, length);
}
@@ -2468,8 +2468,8 @@ void stl_phys_notdirty(hwaddr addr, uint32_t val)
/* invalidate code */
tb_invalidate_phys_page_range(addr1, addr1 + 4, 0);
/* set dirty bit */
- cpu_physical_memory_set_dirty_flag(addr1,
MIGRATION_DIRTY_FLAG);
- cpu_physical_memory_set_dirty_flag(addr1, VGA_DIRTY_FLAG);
+ cpu_physical_memory_set_dirty_flag(addr1,
DIRTY_MEMORY_MIGRATION);
+ cpu_physical_memory_set_dirty_flag(addr1, DIRTY_MEMORY_VGA);
}
}
}
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index cfe1a24..3947caa 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -40,28 +40,24 @@ void *qemu_get_ram_ptr(ram_addr_t addr);
void qemu_ram_free(ram_addr_t addr);
void qemu_ram_free_from_ptr(ram_addr_t addr);
-#define VGA_DIRTY_FLAG 0x01
-#define CODE_DIRTY_FLAG 0x02
-#define MIGRATION_DIRTY_FLAG 0x08
-
static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
- int dirty_flag)
+ unsigned client)
{
- return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flag;
+ return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & (1 << client);
}
/* read dirty bit (return 0 or 1) */
static inline bool cpu_physical_memory_is_dirty(ram_addr_t addr)
{
- bool vga = cpu_physical_memory_get_dirty_flag(addr, VGA_DIRTY_FLAG);
- bool code = cpu_physical_memory_get_dirty_flag(addr, CODE_DIRTY_FLAG);
- bool migration = cpu_physical_memory_get_dirty_flag(addr,
MIGRATION_DIRTY_FLAG);
+ bool vga = cpu_physical_memory_get_dirty_flag(addr, DIRTY_MEMORY_VGA);
+ bool code = cpu_physical_memory_get_dirty_flag(addr, DIRTY_MEMORY_CODE);
+ bool migration = cpu_physical_memory_get_dirty_flag(addr,
DIRTY_MEMORY_MIGRATION);
return vga && code && migration;
}
static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
ram_addr_t length,
- int dirty_flag)
+ unsigned client)
{
int ret = 0;
ram_addr_t addr, end;
@@ -69,28 +65,28 @@ static inline int cpu_physical_memory_get_dirty(ram_addr_t
start,
end = TARGET_PAGE_ALIGN(start + length);
start &= TARGET_PAGE_MASK;
for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
- ret |= cpu_physical_memory_get_dirty_flag(addr, dirty_flag);
+ ret |= cpu_physical_memory_get_dirty_flag(addr, client);
}
return ret;
}
static inline void cpu_physical_memory_set_dirty_flag(ram_addr_t addr,
- int dirty_flag)
+ unsigned client)
{
- ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flag;
+ ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= (1 << client);
}
static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
{
- cpu_physical_memory_set_dirty_flag(addr, MIGRATION_DIRTY_FLAG);
- cpu_physical_memory_set_dirty_flag(addr, VGA_DIRTY_FLAG);
- cpu_physical_memory_set_dirty_flag(addr, CODE_DIRTY_FLAG);
+ cpu_physical_memory_set_dirty_flag(addr, DIRTY_MEMORY_MIGRATION);
+ cpu_physical_memory_set_dirty_flag(addr, DIRTY_MEMORY_VGA);
+ cpu_physical_memory_set_dirty_flag(addr, DIRTY_MEMORY_CODE);
}
static inline int cpu_physical_memory_clear_dirty_flag(ram_addr_t addr,
- int dirty_flag)
+ unsigned client)
{
- int mask = ~dirty_flag;
+ int mask = ~(1 << client);
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
}
@@ -110,19 +106,19 @@ static inline void
cpu_physical_memory_set_dirty_range(ram_addr_t start,
static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
ram_addr_t length,
- int dirty_flag)
+ unsigned client)
{
ram_addr_t addr, end;
end = TARGET_PAGE_ALIGN(start + length);
start &= TARGET_PAGE_MASK;
for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
- cpu_physical_memory_clear_dirty_flag(addr, dirty_flag);
+ cpu_physical_memory_clear_dirty_flag(addr, client);
}
}
void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
- int dirty_flag);
+ unsigned client);
#endif
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 04e69cf..4bb20d0 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -33,9 +33,6 @@
typedef struct MemoryRegionOps MemoryRegionOps;
typedef struct MemoryRegionMmio MemoryRegionMmio;
-/* Must match *_DIRTY_FLAGS in cpu-all.h. To be replaced with dynamic
- * registration.
- */
#define DIRTY_MEMORY_VGA 0
#define DIRTY_MEMORY_CODE 1
#define DIRTY_MEMORY_MIGRATION 3
diff --git a/memory.c b/memory.c
index 41c1b5d..d01a9c6 100644
--- a/memory.c
+++ b/memory.c
@@ -1174,8 +1174,7 @@ bool memory_region_get_dirty(MemoryRegion *mr, hwaddr
addr,
hwaddr size, unsigned client)
{
assert(mr->terminates);
- return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size,
- 1 << client);
+ return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, client);
}
void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
@@ -1190,12 +1189,11 @@ bool memory_region_test_and_clear_dirty(MemoryRegion
*mr, hwaddr addr,
{
bool ret;
assert(mr->terminates);
- ret = cpu_physical_memory_get_dirty(mr->ram_addr + addr, size,
- 1 << client);
+ ret = cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, client);
if (ret) {
cpu_physical_memory_reset_dirty(mr->ram_addr + addr,
mr->ram_addr + addr + size,
- 1 << client);
+ client);
}
return ret;
}
@@ -1243,7 +1241,7 @@ void memory_region_reset_dirty(MemoryRegion *mr, hwaddr
addr,
assert(mr->terminates);
cpu_physical_memory_reset_dirty(mr->ram_addr + addr,
mr->ram_addr + addr + size,
- 1 << client);
+ client);
}
void *memory_region_get_ram_ptr(MemoryRegion *mr)
--
1.8.3.1
- [Qemu-devel] [PATCH 03/28] memory: cpu_physical_memory_set_dirty_range() return void, (continued)
- [Qemu-devel] [PATCH 03/28] memory: cpu_physical_memory_set_dirty_range() return void, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 05/28] memory: create function to set a single dirty bit, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 07/28] memory: make cpu_physical_memory_is_dirty return bool, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 06/28] exec: create function to get a single dirty bit, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 08/28] exec: simplify notdirty_mem_write(), Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 10/28] memory: set single dirty flags when possible, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 09/28] memory: all users of cpu_physical_memory_get_dirty used only one flag, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 11/28] memory: cpu_physical_memory_set_dirty_range() allways dirty all flags, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 13/28] memory: use DIRTY_MEMORY_* instead of *_DIRTY_FLAG,
Juan Quintela <=
- [Qemu-devel] [PATCH 12/28] memory: cpu_physical_memory_mask_dirty_range() allways clear a single flag, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 14/28] memory: use bit 2 for migration, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 15/28] memory: make sure that client is always inside range, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 16/28] memory: only resize dirty bitmap when memory size increases, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 17/28] memory: cpu_physical_memory_clear_dirty_flag() result is never used, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 18/28] bitmap: Add bitmap_zero_extend operation, Juan Quintela, 2013/10/09
- [Qemu-devel] [PATCH 19/28] memory: split dirty bitmap into three, Juan Quintela, 2013/10/09