diff mbox series

[RFC,v2,12/38] tcg: add MO_HADDR to TCGMemOp

Message ID 20181209193749.12277-13-cota@braap.org
State New
Headers show
Series Plugin support | expand

Commit Message

Emilio Cota Dec. 9, 2018, 7:37 p.m. UTC 
We will use this from plugins to mark mem accesses so that
we can later obtain their host address.

Signed-off-by: Emilio G. Cota <cota@braap.org>
---
 tcg/tcg.h | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/tcg/tcg.h b/tcg/tcg.h
index 6fd525023b..a376f83ab6 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -359,6 +359,13 @@  typedef enum TCGMemOp {
     MO_ALIGN_32 = 5 << MO_ASHIFT,
     MO_ALIGN_64 = 6 << MO_ASHIFT,
 
+    /*
+     * SoftMMU-only: if set, the TCG backend puts the corresponding host address
+     * in CPUArchState.hostaddr.
+     */
+    MO_HSHIFT = MO_ASHIFT + 3,
+    MO_HADDR = 1 << MO_HSHIFT,
+
     /* Combinations of the above, for ease of use.  */
     MO_UB    = MO_8,
     MO_UW    = MO_16,