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authorAvi Kivity <avi@redhat.com>2011-08-08 16:09:03 +0300
committerAnthony Liguori <aliguori@us.ibm.com>2011-08-08 10:15:53 -0500
commit309cb471c80e5909710d1ee3c3b50d481496d189 (patch)
tree6bedfa86adb8acd8377414b368c381a21a210c34 /exec.c
parent899adf8149c675c2ca0db870da6f00748ee53d59 (diff)
Integrate I/O memory regions into qemu
get_system_io() returns the root I/O memory region. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'exec.c')
-rw-r--r--exec.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/exec.c b/exec.c
index 719fff9a91..be7e4b2451 100644
--- a/exec.c
+++ b/exec.c
@@ -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) */