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Diffstat (limited to 'memory.c')
-rw-r--r--memory.c71
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)