2 files changed, 24 insertions, 1 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 8018ce783e..472fe9ad9c 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -301,7 +301,7 @@ CPUArchState *cpu_copy(CPUArchState *env);
  * be signaled by probe_access_flags().
  */
 #define TLB_INVALID_MASK    (1 << (TARGET_PAGE_BITS_MIN - 1))
-#define TLB_MMIO            0
+#define TLB_MMIO            (1 << (TARGET_PAGE_BITS_MIN - 2))
 #define TLB_WATCHPOINT      0
 
 #else
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 200c27eadf..5fa0687cd2 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -464,6 +464,29 @@ int probe_access_full(CPUArchState *env, vaddr addr, int size,
                       MMUAccessType access_type, int mmu_idx,
                       bool nonfault, void **phost,
                       CPUTLBEntryFull **pfull, uintptr_t retaddr);
+
+/**
+ * probe_access_mmu() - Like probe_access_full except cannot fault and
+ * doesn't trigger instrumentation.
+ *
+ * @env: CPUArchState
+ * @vaddr: virtual address to probe
+ * @size: size of the probe
+ * @access_type: read, write or execute permission
+ * @mmu_idx: softmmu index
+ * @phost: ptr to return value host address or NULL
+ * @pfull: ptr to return value CPUTLBEntryFull structure or NULL
+ *
+ * The CPUTLBEntryFull structure returned via @pfull is transient
+ * and must be consumed or copied immediately, before any further
+ * access or changes to TLB @mmu_idx.
+ *
+ * Returns: TLB flags as per probe_access_flags()
+ */
+int probe_access_full_mmu(CPUArchState *env, vaddr addr, int size,
+                          MMUAccessType access_type, int mmu_idx,
+                          void **phost, CPUTLBEntryFull **pfull);
+
 #endif
 
 /* Hide the qatomic_read to make code a little easier on the eyes */