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target/s390x: Handle LGRL from non-aligned addresses 

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>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230316164428.275147-4-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Ilya Leoshkevich 2023-03-16 17:44:19 +01:00 committed by Thomas Huth
parent ce7ca26968
commit 2a00d55d21
2 changed files with 5 additions and 4 deletions
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6
target/s390x/tcg/insn-data.h.inc
View File

@ -414,7 +414,7 @@
C(0xe358, LY, RXY_a, LD, 0, a2, new, r1_32, ld32s, 0)
C(0xb904, LGR, RRE, Z, 0, r2_o, 0, r1, mov2, 0)
C(0xb914, LGFR, RRE, Z, 0, r2_32s, 0, r1, mov2, 0)
C(0xe304, LG, RXY_a, Z, 0, a2, r1, 0, ld64, 0)
D(0xe304, LG, RXY_a, Z, 0, a2, r1, 0, ld64, 0, 0)
C(0xe314, LGF, RXY_a, Z, 0, a2, r1, 0, ld32s, 0)
F(0x2800, LDR, RR_a, Z, 0, f2, 0, f1, mov2, 0, IF_AFP1 | IF_AFP2)
F(0x6800, LD, RX_a, Z, 0, m2_64, 0, f1, mov2, 0, IF_AFP1)
@ -427,7 +427,7 @@
C(0xc001, LGFI, RIL_a, EI, 0, i2, 0, r1, mov2, 0)
/* LOAD RELATIVE LONG */
C(0xc40d, LRL, RIL_b, GIE, 0, ri2, new, r1_32, ld32s, 0)
C(0xc408, LGRL, RIL_b, GIE, 0, ri2, r1, 0, ld64, 0)
D(0xc408, LGRL, RIL_b, GIE, 0, ri2, r1, 0, ld64, 0, MO_ALIGN)
C(0xc40c, LGFRL, RIL_b, GIE, 0, ri2, r1, 0, ld32s, 0)
/* LOAD ADDRESS */
C(0x4100, LA, RX_a, Z, 0, a2, 0, r1, mov2, 0)
@ -457,7 +457,7 @@
C(0xb902, LTGR, RRE, Z, 0, r2_o, 0, r1, mov2, s64)
C(0xb912, LTGFR, RRE, Z, 0, r2_32s, 0, r1, mov2, s64)
C(0xe312, LT, RXY_a, EI, 0, a2, new, r1_32, ld32s, s64)
C(0xe302, LTG, RXY_a, EI, 0, a2, r1, 0, ld64, s64)
D(0xe302, LTG, RXY_a, EI, 0, a2, r1, 0, ld64, s64, 0)
C(0xe332, LTGF, RXY_a, GIE, 0, a2, r1, 0, ld32s, s64)
F(0xb302, LTEBR, RRE, Z, 0, e2, 0, cond_e1e2, mov2, f32, IF_BFP)
F(0xb312, LTDBR, RRE, Z, 0, f2, 0, f1, mov2, f64, IF_BFP)

3
target/s390x/tcg/translate.c
View File

@ -2782,7 +2782,8 @@ static DisasJumpType op_ld32u(DisasContext *s, DisasOps *o)
static DisasJumpType op_ld64(DisasContext *s, DisasOps *o)
{
tcg_gen_qemu_ld64(o->out, o->in2, get_mem_index(s));
tcg_gen_qemu_ld_i64(o->out, o->in2, get_mem_index(s),
MO_TEUQ | s->insn->data);
return DISAS_NEXT;
}