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memory: move address_space_memory and address_space_io out of memory core

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With this change, memory.c no longer knows anything about special address
spaces, so it is prepared for AddressSpace based DMA.

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2012-10-02 18:49:28 +02:00
parent 95d2994a2f
commit 2673a5da25
3 changed files with 7 additions and 24 deletions
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9
exec.c
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@ -116,6 +116,9 @@ RAMList ram_list = { .blocks = QLIST_HEAD_INITIALIZER(ram_list.blocks) };
static MemoryRegion *system_memory;
static MemoryRegion *system_io;
static AddressSpace address_space_io;
static AddressSpace address_space_memory;
MemoryRegion io_mem_ram, io_mem_rom, io_mem_unassigned, io_mem_notdirty;
static MemoryRegion io_mem_subpage_ram;
@ -3235,11 +3238,13 @@ static void memory_map_init(void)
{
system_memory = g_malloc(sizeof(*system_memory));
memory_region_init(system_memory, "system", INT64_MAX);
set_system_memory_map(system_memory);
address_space_init(&address_space_memory, system_memory);
address_space_memory.name = "memory";
system_io = g_malloc(sizeof(*system_io));
memory_region_init(system_io, "io", 65536);
set_system_io_map(system_io);
address_space_init(&address_space_io, system_io);
address_space_io.name = "I/O";
memory_listener_register(&core_memory_listener, system_memory);
memory_listener_register(&io_memory_listener, system_io);