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[Qemu-riscv] [Qemu-devel] [PATCH v3 10/15] memory: Access MemoryRegion w


From: tony.nguyen
Subject: [Qemu-riscv] [Qemu-devel] [PATCH v3 10/15] memory: Access MemoryRegion with MemOp semantics
Date: Thu, 25 Jul 2019 07:09:46 +0000

To convert interfaces of MemoryRegion access, MEMOP_SIZE and
SIZE_MEMOP no-op stubs were introduced to change syntax while keeping
the existing semantics.

Now with interfaces converted, we fill the stubs and use MemOp
semantics.

Signed-off-by: Tony Nguyen <address@hidden>
---
 include/exec/memop.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/exec/memop.h b/include/exec/memop.h
index 09c8d20..f2847e8 100644
--- a/include/exec/memop.h
+++ b/include/exec/memop.h
@@ -106,8 +106,7 @@ typedef enum MemOp {
     MO_SSIZE = MO_SIZE | MO_SIGN,
 } MemOp;
 
-/* No-op while memory_region_dispatch_[read|write] is converted to MemOp */
-#define MEMOP_SIZE(op)  (op)    /* MemOp to size.  */
-#define SIZE_MEMOP(ul)  (ul)    /* Size to MemOp.  */
+#define MEMOP_SIZE(op)  (1 << ((op) & MO_SIZE)) /* MemOp to size.  */
+#define SIZE_MEMOP(ul)  (ctzl(ul))              /* Size to MemOp.  */
 
 #endif
-- 
1.8.3.1




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