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authorPeter Maydell <peter.maydell@linaro.org>2015-04-13 13:50:30 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-04-13 13:50:30 +0100
commit2470ef8f4ef79b22bc6bc44a99dfb71f490587e2 (patch)
tree158e8ca490e5f3d11ca9855b474c8036481d086a
parent85ae0d5c657d3cb04eb3f86f00feda9157a81645 (diff)
downloadqemu-arm-2470ef8f4ef79b22bc6bc44a99dfb71f490587e2.tar.gz
target-arm: Add user-mode transaction attribute
Add a transaction attribute indicating that a memory access is being done from user-mode (unprivileged). This corresponds to an equivalent signal in ARM AMBA buses. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--include/exec/memattrs.h2
-rw-r--r--target-arm/helper.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/include/exec/memattrs.h b/include/exec/memattrs.h
index 68a9c760d5..1389b4b01d 100644
--- a/include/exec/memattrs.h
+++ b/include/exec/memattrs.h
@@ -31,6 +31,8 @@ typedef struct MemTxAttrs {
unsigned int unspecified:1;
/* ARM/AMBA TrustZone Secure access */
unsigned int secure:1;
+ /* Memory access is usermode (unprivileged) */
+ unsigned int user:1;
} MemTxAttrs;
/* Bus masters which don't specify any attributes will get this,
diff --git a/target-arm/helper.c b/target-arm/helper.c
index a01ff7fccc..50469cdae0 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -5749,6 +5749,7 @@ static inline int get_phys_addr(CPUARMState *env, target_ulong address,
* to secure.
*/
attrs->secure = regime_is_secure(env, mmu_idx);
+ attrs->user = regime_is_user(env, mmu_idx);
/* Fast Context Switch Extension. This doesn't exist at all in v8.
* In v7 and earlier it affects all stage 1 translations.