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exec.c: Capture the memory attributes for a watchpoint hit

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Capture the memory attributes for the transaction which triggered
a watchpoint; this allows CPU specific code to implement features
like ARM's "user-mode only WPs also hit for LDRT/STRT accesses
made from privileged code". This change also correctly passes
through the memory attributes to the underlying device when
a watchpoint access doesn't hit.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Peter Maydell 2015-04-26 16:49:24 +01:00
parent 500131154d
commit 66b9b43c42
2 changed files with 38 additions and 20 deletions
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2
include/qom/cpu.h
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@ -24,6 +24,7 @@
#include <setjmp.h>
#include "hw/qdev-core.h"
#include "exec/hwaddr.h"
#include "exec/memattrs.h"
#include "qemu/queue.h"
#include "qemu/thread.h"
#include "qemu/tls.h"
@ -195,6 +196,7 @@ typedef struct CPUWatchpoint {
vaddr vaddr;
vaddr len;
vaddr hitaddr;
MemTxAttrs hitattrs;
int flags; /* BP_* */
QTAILQ_ENTRY(CPUWatchpoint) entry;
} CPUWatchpoint;