From e040675fbf8bd6a51c689495026f37a80ac1a41c Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Thu, 30 Apr 2020 06:16:02 -0400
Subject: [PATCH] target/arm: Clean address for DC ZVA

This data access was forgotten when we added support for cleaning
addresses of TBI information.

Fixes: 3a471103ac1823ba

Backports commit 597d61a3b1f94c53a3aaa77671697c0c5f797dbf from qemu.
---
 qemu/target/arm/translate-a64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qemu/target/arm/translate-a64.c b/qemu/target/arm/translate-a64.c
index 6182c20e..d8a72151 100644
--- a/qemu/target/arm/translate-a64.c
+++ b/qemu/target/arm/translate-a64.c
@@ -1975,7 +1975,7 @@ static void handle_sys(DisasContext *s, uint32_t insn, bool isread,
         return;
     case ARM_CP_DC_ZVA:
         /* Writes clear the aligned block of memory which rt points into. */
-        tcg_rt = cpu_reg(s, rt);
+        tcg_rt = clean_data_tbi(s, cpu_reg(s, rt));
         gen_helper_dc_zva(tcg_ctx, tcg_ctx->cpu_env, tcg_rt);
         return;
     default: