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[Qemu-devel] [RFC v1 15/22] memory: move address_space_memory and addres
From: |
Avi Kivity |
Subject: |
[Qemu-devel] [RFC v1 15/22] memory: move address_space_memory and address_space_io out of memory core |
Date: |
Wed, 3 Oct 2012 18:03:58 +0200 |
With this change, memory.c no longer knows anything about special address
spaces, so it is prepared for AddressSpace based DMA.
Signed-off-by: Avi Kivity <address@hidden>
---
exec-memory.h | 6 ------
exec.c | 9 +++++++--
memory.c | 16 ----------------
3 files changed, 7 insertions(+), 24 deletions(-)
diff --git a/exec-memory.h b/exec-memory.h
index 1cd92ee..6707e40 100644
--- a/exec-memory.h
+++ b/exec-memory.h
@@ -33,12 +33,6 @@ MemoryRegion *get_system_memory(void);
*/
MemoryRegion *get_system_io(void);
-/* Set the root memory region. This region is the system memory map. */
-void set_system_memory_map(MemoryRegion *mr);
-
-/* Set the I/O memory region. This region is the I/O memory map. */
-void set_system_io_map(MemoryRegion *mr);
-
#endif
#endif
diff --git a/exec.c b/exec.c
index 51a32e7..e5f26fb 100644
--- a/exec.c
+++ b/exec.c
@@ -116,6 +116,9 @@
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;
@@ -3245,11 +3248,13 @@ 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);
diff --git a/memory.c b/memory.c
index eb75349..7bc5a32 100644
--- a/memory.c
+++ b/memory.c
@@ -358,8 +358,6 @@ 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)
{
@@ -448,8 +446,6 @@ static void memory_region_iorange_destructor(IORange
*iorange)
.destructor = memory_region_iorange_destructor,
};
-static AddressSpace address_space_io;
-
static AddressSpace *memory_region_to_address_space(MemoryRegion *mr)
{
AddressSpace *as;
@@ -1556,18 +1552,6 @@ 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);
--
1.7.12
- Re: [Qemu-devel] [RFC v1 08/22] memory: provide defaults for MemoryListener operations, (continued)
[Qemu-devel] [RFC v1 13/22] xen: use new MEMORY_LISTENER_DEFAULT_OPS, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 10/22] vfio: use new MEMORY_LISTENER_DEFAULT_OPS, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 11/22] xen_pt: use new MEMORY_LISTENER_DEFAULT_OPS, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 12/22] kvm: use new MEMORY_LISTENER_DEFAULT_OPS, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 15/22] memory: move address_space_memory and address_space_io out of memory core,
Avi Kivity <=
[Qemu-devel] [RFC v1 14/22] memory: manage coalesced mmio via a MemoryListener, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 16/22] memory: move tcg flush into a tcg memory listener, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 21/22] pci: give each device its own address space, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 22/22] pci: honor PCI_COMMAND_MASTER, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 20/22] dma: make dma access its own address space, Avi Kivity, 2012/10/03
[Qemu-devel] [RFC v1 19/22] memory: per-AddressSpace dispatch, Avi Kivity, 2012/10/03