diff options
| -rw-r--r-- | exec-memory.h | 5 | ||||
| -rw-r--r-- | exec.c | 10 |
2 files changed, 15 insertions, 0 deletions
diff --git a/exec-memory.h b/exec-memory.h index c439aba3d1..334219fe23 100644 --- a/exec-memory.h +++ b/exec-memory.h @@ -28,6 +28,11 @@ */ MemoryRegion *get_system_memory(void); +/* Get the root I/O port region. This interface should only be used + * temporarily until a proper bus interface is available. + */ +MemoryRegion *get_system_io(void); + /* Set the root memory region. This region is the system memory map. */ void set_system_memory_map(MemoryRegion *mr); @@ -113,6 +113,7 @@ static int in_migration; RAMList ram_list = { .blocks = QLIST_HEAD_INITIALIZER(ram_list) }; static MemoryRegion *system_memory; +static MemoryRegion *system_io; #endif @@ -3830,6 +3831,10 @@ static void memory_map_init(void) system_memory = qemu_malloc(sizeof(*system_memory)); memory_region_init(system_memory, "system", INT64_MAX); set_system_memory_map(system_memory); + + system_io = qemu_malloc(sizeof(*system_io)); + memory_region_init(system_io, "io", 65536); + set_system_io_map(system_io); } MemoryRegion *get_system_memory(void) @@ -3837,6 +3842,11 @@ MemoryRegion *get_system_memory(void) return system_memory; } +MemoryRegion *get_system_io(void) +{ + return system_io; +} + #endif /* !defined(CONFIG_USER_ONLY) */ /* physical memory access (slow version, mainly for debug) */ |