These are used to represent implementation-specific data.
These are based off of AMBA-AXI user signals, but can be used in any
implementation.
The length of 4-bits is arbitrary.
Signed-off-by: Joe Komlodi <koml...@google.com>
---
include/exec/memattrs.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/exec/memattrs.h b/include/exec/memattrs.h
index 942b721be8..a38645f881 100644
--- a/include/exec/memattrs.h
+++ b/include/exec/memattrs.h
@@ -64,6 +64,8 @@ typedef struct MemTxAttrs {
unsigned int target_tlb_bit0:1;
unsigned int target_tlb_bit1:1;
unsigned int target_tlb_bit2:1;
+ /* User-defined bits represent data that is implementation defined. */
+ unsigned int user_defined:4;
} MemTxAttrs;
/* Bus masters which don't specify any attributes will get this,
--
2.44.0.rc0.258.g7320e95886-goog
