memory: Drop MemoryRegion.ram_addr

All references to mr->ram_addr are replaced by
memory_region_get_ram_addr(mr) (except for a few assertions that are
replaced with mr->ram_block).

Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <1456813104-25902-5-git-send-email-famz@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 27 insertions, 44 deletions

diff --git a/memory.c b/memory.c
index d83405b176..5b5791caf4 100644
--- a/memory.c
+++ b/memory.c
@@ -902,12 +902,12 @@ static void memory_region_destructor_none(MemoryRegion *mr)
 
 static void memory_region_destructor_ram(MemoryRegion *mr)
 {
-    qemu_ram_free(mr->ram_addr);
+    qemu_ram_free(memory_region_get_ram_addr(mr));
 }
 
 static void memory_region_destructor_rom_device(MemoryRegion *mr)
 {
-    qemu_ram_free(mr->ram_addr & TARGET_PAGE_MASK);
+    qemu_ram_free(memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK);
 }
 
 static bool memory_region_need_escape(char c)
@@ -1038,7 +1038,6 @@ static void memory_region_initfn(Object *obj)
     ObjectProperty *op;
 
     mr->ops = &unassigned_mem_ops;
-    mr->ram_addr = RAM_ADDR_INVALID;
     mr->enabled = true;
     mr->romd_mode = true;
     mr->global_locking = true;
@@ -1270,15 +1269,11 @@ void memory_region_init_ram(MemoryRegion *mr,
                             uint64_t size,
                             Error **errp)
 {
-    RAMBlock *ram_block;
-
     memory_region_init(mr, owner, name, size);
     mr->ram = true;
     mr->terminates = true;
     mr->destructor = memory_region_destructor_ram;
-    ram_block = qemu_ram_alloc(size, mr, errp);
-    mr->ram_block = ram_block;
-    mr->ram_addr = ram_block->offset;
+    mr->ram_block = qemu_ram_alloc(size, mr, errp);
     mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
 }
 
@@ -1292,15 +1287,12 @@ void memory_region_init_resizeable_ram(MemoryRegion *mr,
                                                        void *host),
                                        Error **errp)
 {
-    RAMBlock *ram_block;
-
     memory_region_init(mr, owner, name, size);
     mr->ram = true;
     mr->terminates = true;
     mr->destructor = memory_region_destructor_ram;
-    ram_block = qemu_ram_alloc_resizeable(size, max_size, resized, mr, errp);
-    mr->ram_block = ram_block;
-    mr->ram_addr = ram_block->offset;
+    mr->ram_block = qemu_ram_alloc_resizeable(size, max_size, resized,
+                                              mr, errp);
     mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
 }
 
@@ -1313,15 +1305,11 @@ void memory_region_init_ram_from_file(MemoryRegion *mr,
                                       const char *path,
                                       Error **errp)
 {
-    RAMBlock *ram_block;
-
     memory_region_init(mr, owner, name, size);
     mr->ram = true;
     mr->terminates = true;
     mr->destructor = memory_region_destructor_ram;
-    ram_block = qemu_ram_alloc_from_file(size, mr, share, path, errp);
-    mr->ram_block = ram_block;
-    mr->ram_addr = ram_block->offset;
+    mr->ram_block = qemu_ram_alloc_from_file(size, mr, share, path, errp);
     mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
 }
 #endif
@@ -1332,8 +1320,6 @@ void memory_region_init_ram_ptr(MemoryRegion *mr,
                                 uint64_t size,
                                 void *ptr)
 {
-    RAMBlock *ram_block;
-
     memory_region_init(mr, owner, name, size);
     mr->ram = true;
     mr->terminates = true;
@@ -1342,9 +1328,7 @@ void memory_region_init_ram_ptr(MemoryRegion *mr,
 
     /* qemu_ram_alloc_from_ptr cannot fail with ptr != NULL.  */
     assert(ptr != NULL);
-    ram_block = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_fatal);
-    mr->ram_block = ram_block;
-    mr->ram_addr = ram_block->offset;
+    mr->ram_block = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_fatal);
 }
 
 void memory_region_set_skip_dump(MemoryRegion *mr)
@@ -1372,17 +1356,13 @@ void memory_region_init_rom_device(MemoryRegion *mr,
                                    uint64_t size,
                                    Error **errp)
 {
-    RAMBlock *ram_block;
-
     memory_region_init(mr, owner, name, size);
     mr->ops = ops;
     mr->opaque = opaque;
     mr->terminates = true;
     mr->rom_device = true;
     mr->destructor = memory_region_destructor_rom_device;
-    ram_block = qemu_ram_alloc(size, mr, errp);
-    mr->ram_block = ram_block;
-    mr->ram_addr = ram_block->offset;
+    mr->ram_block = qemu_ram_alloc(size, mr, errp);
 }
 
 void memory_region_init_iommu(MemoryRegion *mr,
@@ -1547,24 +1527,26 @@ void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client)
 bool memory_region_get_dirty(MemoryRegion *mr, hwaddr addr,
                              hwaddr size, unsigned client)
 {
-    assert(mr->ram_addr != RAM_ADDR_INVALID);
-    return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, client);
+    assert(mr->ram_block);
+    return cpu_physical_memory_get_dirty(memory_region_get_ram_addr(mr) + addr,
+                                         size, client);
 }
 
 void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
                              hwaddr size)
 {
-    assert(mr->ram_addr != RAM_ADDR_INVALID);
-    cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size,
+    assert(mr->ram_block);
+    cpu_physical_memory_set_dirty_range(memory_region_get_ram_addr(mr) + addr,
+                                        size,
                                         memory_region_get_dirty_log_mask(mr));
 }
 
 bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
                                         hwaddr size, unsigned client)
 {
-    assert(mr->ram_addr != RAM_ADDR_INVALID);
-    return cpu_physical_memory_test_and_clear_dirty(mr->ram_addr + addr,
-                                                    size, client);
+    assert(mr->ram_block);
+    return cpu_physical_memory_test_and_clear_dirty(
+                memory_region_get_ram_addr(mr) + addr, size, client);
 }
 
 
@@ -1607,9 +1589,9 @@ void memory_region_rom_device_set_romd(MemoryRegion *mr, bool romd_mode)
 void memory_region_reset_dirty(MemoryRegion *mr, hwaddr addr,
                                hwaddr size, unsigned client)
 {
-    assert(mr->ram_addr != RAM_ADDR_INVALID);
-    cpu_physical_memory_test_and_clear_dirty(mr->ram_addr + addr, size,
-                                             client);
+    assert(mr->ram_block);
+    cpu_physical_memory_test_and_clear_dirty(
+        memory_region_get_ram_addr(mr) + addr, size, client);
 }
 
 int memory_region_get_fd(MemoryRegion *mr)
@@ -1618,9 +1600,9 @@ int memory_region_get_fd(MemoryRegion *mr)
         return memory_region_get_fd(mr->alias);
     }
 
-    assert(mr->ram_addr != RAM_ADDR_INVALID);
+    assert(mr->ram_block);
 
-    return qemu_get_ram_fd(mr->ram_addr & TARGET_PAGE_MASK);
+    return qemu_get_ram_fd(memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK);
 }
 
 void *memory_region_get_ram_ptr(MemoryRegion *mr)
@@ -1633,8 +1615,9 @@ void *memory_region_get_ram_ptr(MemoryRegion *mr)
         offset += mr->alias_offset;
         mr = mr->alias;
     }
-    assert(mr->ram_addr != RAM_ADDR_INVALID);
-    ptr = qemu_get_ram_ptr(mr->ram_block, mr->ram_addr & TARGET_PAGE_MASK);
+    assert(mr->ram_block);
+    ptr = qemu_get_ram_ptr(mr->ram_block,
+                           memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK);
     rcu_read_unlock();
 
     return ptr + offset;
@@ -1647,9 +1630,9 @@ ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr)
 
 void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize, Error **errp)
 {
-    assert(mr->ram_addr != RAM_ADDR_INVALID);
+    assert(mr->ram_block);
 
-    qemu_ram_resize(mr->ram_addr, newsize, errp);
+    qemu_ram_resize(memory_region_get_ram_addr(mr), newsize, errp);
 }
 
 static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as)