vmstate, memory: decouple vmstate from memory API
Currently creating a memory region automatically registers it for
live migration. This differs from other state (which is enumerated
in a VMStateDescription structure) and ties the live migration code
into the memory core.
Decouple the two by introducing a separate API, vmstate_register_ram(),
for registering a RAM block for migration. Currently the same
implementation is reused, but later it can be moved into a separate list,
and registrations can be moved to VMStateDescription blocks.
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index d94ad1d..6b72cf2 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -826,7 +826,8 @@
((unsigned int)ram_size / (1 << 20)));
exit(1);
}
- memory_region_init_ram(ram, NULL, "mips_malta.ram", ram_size);
+ memory_region_init_ram(ram, "mips_malta.ram", ram_size);
+ vmstate_register_ram_global(ram);
memory_region_add_subregion(system_memory, 0, ram);
#ifdef TARGET_WORDS_BIGENDIAN
@@ -841,7 +842,8 @@
if (kernel_filename) {
/* Write a small bootloader to the flash location. */
bios = g_new(MemoryRegion, 1);
- memory_region_init_ram(bios, NULL, "mips_malta.bios", BIOS_SIZE);
+ memory_region_init_ram(bios, "mips_malta.bios", BIOS_SIZE);
+ vmstate_register_ram_global(bios);
memory_region_set_readonly(bios, true);
memory_region_init_alias(bios_alias, "bios.1fc", bios, 0, BIOS_SIZE);
/* Map the bios at two physical locations, as on the real board. */
@@ -878,7 +880,8 @@
fl_idx++;
} else {
bios = g_new(MemoryRegion, 1);
- memory_region_init_ram(bios, NULL, "mips_malta.bios", BIOS_SIZE);
+ memory_region_init_ram(bios, "mips_malta.bios", BIOS_SIZE);
+ vmstate_register_ram_global(bios);
memory_region_set_readonly(bios, true);
memory_region_init_alias(bios_alias, "bios.1fc",
bios, 0, BIOS_SIZE);
