qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
To: qemu-devel@nongnu.org
Cc: kbastian@mail.uni-paderborn.de
Subject: [PULL 10/20] target/tricore: Correctly fix saving PSW.CDE to CSA on call
Date: Wed, 21 Jun 2023 18:14:12 +0200	[thread overview]
Message-ID: <20230621161422.1652151-11-kbastian@mail.uni-paderborn.de> (raw)
In-Reply-To: <20230621161422.1652151-1-kbastian@mail.uni-paderborn.de>

we don't want to save PSW.CDC to the CSA, but PSW.CDE must be saved.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1699
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20230612113245.56667-3-kbastian@mail.uni-paderborn.de>
---
 target/tricore/op_helper.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/target/tricore/op_helper.c b/target/tricore/op_helper.c
index 026e15f3e0..9a7a26b171 100644
--- a/target/tricore/op_helper.c
+++ b/target/tricore/op_helper.c
@@ -2499,7 +2499,12 @@ void helper_call(CPUTriCoreState *env, uint32_t next_pc)
     }
     /* PSW.CDE = 1;*/
     psw |= MASK_PSW_CDE;
-    psw_write(env, psw);
+    /*
+     * we need to save PSW.CDE and not PSW.CDC into the CSAs. psw already
+     * contains the CDC from cdc_increment(), so we cannot call psw_write()
+     * here.
+     */
+    env->PSW |= MASK_PSW_CDE;
 
     /* tmp_FCX = FCX; */
     tmp_FCX = env->FCX;
-- 
2.40.1



  parent reply	other threads:[~2023-06-21 16:16 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-21 16:14 [PULL 00/20] tricore queue Bastian Koppelmann
2023-06-21 16:14 ` [PULL 01/20] target/tricore: Introduce ISA 1.6.2 feature Bastian Koppelmann
2023-06-21 16:14 ` [PULL 02/20] target/tricore: Add popcnt.w insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 03/20] target/tricore: Add LHA insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 04/20] target/tricore: Add crc32l.w insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 05/20] target/tricore: Add crc32.b insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 06/20] target/tricore: Add shuffle insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 07/20] target/tricore: Implement SYCSCALL insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 08/20] target/tricore: Add DISABLE insn variant Bastian Koppelmann
2023-06-21 16:14 ` [PULL 09/20] target/tricore: Fix out-of-bounds index in imask instruction Bastian Koppelmann
2023-06-22  7:43   ` Michael Tokarev
2023-06-22 14:51     ` Bastian Koppelmann
2023-06-23  6:54       ` Michael Tokarev
2023-06-23  9:51         ` Bastian Koppelmann
2023-06-23 10:29           ` Michael Tokarev
2023-06-23 11:09             ` Bastian Koppelmann
2023-06-21 16:14 ` Bastian Koppelmann [this message]
2023-06-21 16:14 ` [PULL 11/20] target/tricore: Add CHECK_REG_PAIR() for insn accessing 64 bit regs Bastian Koppelmann
2023-06-21 16:14 ` [PULL 12/20] target/tricore: Fix helper_ret() not correctly restoring PSW Bastian Koppelmann
2023-06-21 16:14 ` [PULL 13/20] target/tricore: Fix RR_JLI clobbering reg A[11] Bastian Koppelmann
2023-06-21 16:14 ` [PULL 14/20] target/tricore: Introduce DISAS_TARGET_EXIT Bastian Koppelmann
2023-06-21 16:14 ` [PULL 15/20] target/tricore: ENABLE exit to main-loop Bastian Koppelmann
2023-06-21 16:14 ` [PULL 16/20] target/tricore: Indirect jump insns use tcg_gen_lookup_and_goto_ptr() Bastian Koppelmann
2023-06-21 16:14 ` [PULL 17/20] target/tricore: Introduce priv tb flag Bastian Koppelmann
2023-06-21 16:14 ` [PULL 18/20] target/tricore: Implement privilege level for all insns Bastian Koppelmann
2023-06-21 16:14 ` [PULL 19/20] target/tricore: Honour privilege changes on PSW write Bastian Koppelmann
2023-06-21 16:14 ` [PULL 20/20] target/tricore: Fix ICR.IE offset in RESTORE insn Bastian Koppelmann
2023-06-21 20:43 ` [PULL 00/20] tricore queue Richard Henderson

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=20230621161422.1652151-11-kbastian@mail.uni-paderborn.de \
    --to=kbastian@mail.uni-paderborn.de \
    --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).