[Qemu-devel] [PATCH v1 5/6] qom/cpu: Add Memory Region Property

[Peter Crosthwaite]

Which is used to construct a per-CPU address space. The Address space
will be created at realize time.

Signed-off-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com>
---

 include/qom/cpu.h |  1 +
 qom/cpu.c         | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 1aafbf5..192d337 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -242,6 +242,7 @@ struct CPUState {
     int64_t icount_extra;
     sigjmp_buf jmp_env;
 
+    MemoryRegion *mr;
     AddressSpace *as;
     MemoryListener *tcg_as_listener;
 
diff --git a/qom/cpu.c b/qom/cpu.c
index b32dd0a..899071e 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -25,6 +25,10 @@
 #include "qemu/log.h"
 #include "qemu/error-report.h"
 #include "sysemu/sysemu.h"
+#include "exec/memory.h"
+#include "qapi/visitor.h"
+#include "exec/address-spaces.h"
+#include "hw/qdev-properties.h"
 
 bool cpu_exists(int64_t id)
 {
@@ -314,6 +318,13 @@ static void cpu_common_initfn(Object *obj)
     CPUClass *cc = CPU_GET_CLASS(obj);
 
     cpu->gdb_num_regs = cpu->gdb_num_g_regs = cc->gdb_num_core_regs;
+#ifndef CONFIG_USER_ONLY
+    object_property_add_link(obj, "mr", TYPE_MEMORY_REGION,
+                             (Object **)&cpu->mr,
+                             qdev_prop_allow_set_link_before_realize,
+                             OBJ_PROP_LINK_UNREF_ON_RELEASE,
+                             &error_abort);
+#endif
 }
 
 static int64_t cpu_common_get_arch_id(CPUState *cpu)
-- 
2.1.0.1.g27b9230