[Qemu-devel] [PATCH 01/02] leon3: change the handling for ASI_LEON_NOCACHE to be aware of if the MMU is enabled or not

[Qemu-devel] [PATCH 01/02] leon3: change the handling for ASI_LEON_NOCACHE to be aware of if the MMU is enabled or not

[Steven Seeger]

>From f512606776e20dc603b8ea3faaeb103667de3178 Mon Sep 17 00:00:00 2001
From: Steven Seeger <steven.seeger@flightsystems.net>
Date: Sun, 25 Mar 2018 17:58:21 -0400
Subject: [PATCH 1/6] leon3: change the handling for ASI_LEON_NOCACHE to be
 aware of if the MMU is enabled or not

Signed-off-by: Steven Seeger <steven.seeger@flightsystems.net>
---
 target/sparc/translate.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index f55ec28665..ab8d0a0c72 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -2121,6 +2121,9 @@ static DisasASI get_asi(DisasContext *dc, int insn, 
TCGMemOp memop)
                || (asi == ASI_USERDATA
                    && (dc->def->features & CPU_FEATURE_CASA))) {
         switch (asi) {
+        case ASI_LEON_NOCACHE: /* force cache miss */
+            type = GET_ASI_DIRECT;
+            break;
         case ASI_USERDATA:   /* User data access */
             mem_idx = MMU_USER_IDX;
             type = GET_ASI_DIRECT;
@@ -2131,7 +2134,6 @@ static DisasASI get_asi(DisasContext *dc, int insn, 
TCGMemOp memop)
             break;
         case ASI_M_BYPASS:    /* MMU passthrough */
         case ASI_LEON_BYPASS: /* LEON MMU passthrough */
-        case ASI_LEON_NOCACHE:
             mem_idx = MMU_PHYS_IDX;
             type = GET_ASI_DIRECT;
             break;
-- 
2.16.1