All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Richard Henderson <richard.henderson@linaro.org>,
	David Hildenbrand <david@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>,
	qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
	Ilya Leoshkevich <iii@linux.ibm.com>,
	Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Subject: [PATCH v2 05/12] target/s390x: Handle LLGFRL from non-aligned addresses
Date: Mon, 13 Mar 2023 16:38:37 +0100	[thread overview]
Message-ID: <20230313153844.9231-6-iii@linux.ibm.com> (raw)
In-Reply-To: <20230313153844.9231-1-iii@linux.ibm.com>

Use MO_ALIGN and let do_unaligned_access() generate a specification
exception.

Reported-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Suggested-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
 target/s390x/tcg/insn-data.h.inc | 6 +++---
 target/s390x/tcg/translate.c     | 3 ++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.h.inc
index 5aff4c0873a..3abd2dbedd5 100644
--- a/target/s390x/tcg/insn-data.h.inc
+++ b/target/s390x/tcg/insn-data.h.inc
@@ -502,16 +502,16 @@
     C(0xc405, LHRL,    RIL_b, GIE, 0, ri2, new, r1_32, ld16s, 0)
     C(0xc404, LGHRL,   RIL_b, GIE, 0, ri2, r1, 0, ld16s, 0)
 /* LOAD HIGH */
-    C(0xe3ca, LFH,     RXY_a, HW,  0, a2, new, r1_32h, ld32u, 0)
+    D(0xe3ca, LFH,     RXY_a, HW,  0, a2, new, r1_32h, ld32u, 0, 0)
 /* LOAG HIGH AND TRAP */
     C(0xe3c8, LFHAT,   RXY_a, LAT, 0, m2_32u, r1, 0, lfhat, 0)
 /* LOAD LOGICAL */
     C(0xb916, LLGFR,   RRE,   Z,   0, r2_32u, 0, r1, mov2, 0)
-    C(0xe316, LLGF,    RXY_a, Z,   0, a2, r1, 0, ld32u, 0)
+    D(0xe316, LLGF,    RXY_a, Z,   0, a2, r1, 0, ld32u, 0, 0)
 /* LOAD LOGICAL AND TRAP */
     C(0xe39d, LLGFAT,  RXY_a, LAT, 0, a2, r1, 0, llgfat, 0)
 /* LOAD LOGICAL RELATIVE LONG */
-    C(0xc40e, LLGFRL,  RIL_b, GIE, 0, ri2, r1, 0, ld32u, 0)
+    D(0xc40e, LLGFRL,  RIL_b, GIE, 0, ri2, r1, 0, ld32u, 0, MO_ALIGN)
 /* LOAD LOGICAL CHARACTER */
     C(0xb994, LLCR,    RRE,   EI,  0, r2_8u, 0, r1_32, mov2, 0)
     C(0xb984, LLGCR,   RRE,   EI,  0, r2_8u, 0, r1, mov2, 0)
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 5033767cef4..6ceb14de92f 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -2846,7 +2846,8 @@ static DisasJumpType op_ld32s(DisasContext *s, DisasOps *o)
 
 static DisasJumpType op_ld32u(DisasContext *s, DisasOps *o)
 {
-    tcg_gen_qemu_ld32u(o->out, o->in2, get_mem_index(s));
+    tcg_gen_qemu_ld_tl(o->out, o->in2, get_mem_index(s),
+                       MO_TEUL | s->insn->data);
     return DISAS_NEXT;
 }
 
-- 
2.39.2



  parent reply	other threads:[~2023-03-13 15:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-13 15:38 [PATCH v2 00/12] target/s390x: Handle unaligned accesses Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 01/12] target/s390x: Handle branching to odd addresses Ilya Leoshkevich
2023-03-13 19:54   ` Richard Henderson
2023-03-13 15:38 ` [PATCH v2 02/12] target/s390x: Handle EXECUTE of " Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 03/12] target/s390x: Handle LGRL from non-aligned addresses Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 04/12] target/s390x: Handle LRL and LGFRL " Ilya Leoshkevich
2023-03-13 15:38 ` Ilya Leoshkevich [this message]
2023-03-13 15:38 ` [PATCH v2 06/12] target/s390x: Handle CRL and CGFRL with " Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 07/12] target/s390x: Handle CGRL and CLGRL " Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 08/12] target/s390x: Handle CLRL and CLGFRL " Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 09/12] target/s390x: Handle STRL to " Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 10/12] target/s390x: Handle STGRL " Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 11/12] target/s390x: Update do_unaligned_access() comment Ilya Leoshkevich
2023-03-13 15:38 ` [PATCH v2 12/12] tests/tcg/s390x: Test unaligned accesses Ilya Leoshkevich
2023-03-15 18:09   ` Thomas Huth
2023-03-15 18:13     ` Ilya Leoshkevich

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=20230313153844.9231-6-iii@linux.ibm.com \
    --to=iii@linux.ibm.com \
    --cc=david@redhat.com \
    --cc=nsg@linux.ibm.com \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-s390x@nongnu.org \
    --cc=richard.henderson@linaro.org \
    --cc=thuth@redhat.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.