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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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16
memory.c
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@ -364,8 +364,6 @@ static void access_with_adjusted_size(target_phys_addr_t addr,
}
}
static AddressSpace address_space_memory;
static const MemoryRegionPortio *find_portio(MemoryRegion *mr, uint64_t offset,
unsigned width, bool write)
{
@ -454,8 +452,6 @@ const IORangeOps memory_region_iorange_ops = {
.destructor = memory_region_iorange_destructor,
};
static AddressSpace address_space_io;
static AddressSpace *memory_region_to_address_space(MemoryRegion *mr)
{
AddressSpace *as;
@ -1545,18 +1541,6 @@ void address_space_init(AddressSpace *as, MemoryRegion *root)
memory_region_transaction_commit();
}
void set_system_memory_map(MemoryRegion *mr)
{
address_space_init(&address_space_memory, mr);
address_space_memory.name = "memory";
}
void set_system_io_map(MemoryRegion *mr)
{
address_space_init(&address_space_io, mr);
address_space_io.name = "I/O";
}
uint64_t io_mem_read(MemoryRegion *mr, target_phys_addr_t addr, unsigned size)
{
return memory_region_dispatch_read(mr, addr, size);