From: Steven Seeger <steven.seeger@flightsystems.net>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org
Subject: [Qemu-devel] [PATCH 01/02] leon3: change the handling for ASI_LEON_NOCACHE to be aware of if the MMU is enabled or not
Date: Mon, 26 Mar 2018 22:25:24 -0400 [thread overview]
Message-ID: <3978804.GGRd8R3pmO@wirbelwind> (raw)
>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
reply other threads:[~2018-03-27 2:26 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3978804.GGRd8R3pmO@wirbelwind \
--to=steven.seeger@flightsystems.net \
--cc=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).