leon3: change the handling for ASI_LEON_NOCACHE to be aware of if the MMU is enabled or not
PATCH 1/2 leon3: change the handling for ASI_LEON_NOCACHE to be aware of if the MMU is enabled or not
Quoted 1 line
From
f512606776e20dc603b8ea3faaeb103667de3178Mon Sep 17 00:00:00 2001
From: Steven Seeger <[email protected]>
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 <[email protected]>
--- target/sparc/translate.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
target/sparc/translate.c +0 -0
@@ -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;Signature · 1 line
2.16.1