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[PATCH 2/6] memory: Introduce address_space_create()
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 2/6] memory: Introduce address_space_create() |
Date: |
Thu, 19 Aug 2021 16:20:35 +0200 |
Introduce address_space_create(). In is similar to
address_space_init() but returns a pointer to a heap
allocated AddressSpace.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
include/exec/memory.h | 14 ++++++++++++++
softmmu/memory.c | 10 ++++++++++
2 files changed, 24 insertions(+)
diff --git a/include/exec/memory.h b/include/exec/memory.h
index c3d417d317f..b353a48c25f 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -2418,6 +2418,20 @@ MemTxResult memory_region_dispatch_write(MemoryRegion
*mr,
*/
void address_space_init(AddressSpace *as, MemoryRegion *root, const char
*name);
+/**
+ * address_space_create: Create and initializes an address space
+ *
+ * @root: a #MemoryRegion that routes addresses for the address space
+ * @name: an address space name. The name is only used for debugging
+ * output.
+ *
+ * Returns pointer to initialized #AddressSpace.
+ *
+ * The caller is responsible for releasing the pointer returned
+ * with address_space_destroy() after use.
+ */
+AddressSpace *address_space_create(MemoryRegion *root, const char *name);
+
/**
* address_space_destroy: destroy an address space
*
diff --git a/softmmu/memory.c b/softmmu/memory.c
index 185f978c925..16a2b518d8d 100644
--- a/softmmu/memory.c
+++ b/softmmu/memory.c
@@ -2937,6 +2937,16 @@ void address_space_init(AddressSpace *as, MemoryRegion
*root, const char *name)
address_space_update_ioeventfds(as);
}
+AddressSpace *address_space_create(MemoryRegion *root, const char *name)
+{
+ AddressSpace *as;
+
+ as = g_new(AddressSpace, 1);
+ address_space_init(as, root, name);
+
+ return as;
+}
+
static void do_address_space_destroy(AddressSpace *as)
{
assert(QTAILQ_EMPTY(&as->listeners));
--
2.31.1
[PATCH 5/6] hw/usb: Replace alloc() + address_space_init() by address_space_create(), Philippe Mathieu-Daudé, 2021/08/19
[RFC PATCH 6/6] memory: Have address_space_create() re-use global &address_space_memory, Philippe Mathieu-Daudé, 2021/08/19