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target/s390x: Handle STRL to 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: <20230316164428.275147-10-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Ilya Leoshkevich 2023-03-16 17:44:25 +01:00 committed by Thomas Huth
parent 0708220c5b
commit 2bc66225d8
2 changed files with 8 additions and 7 deletions
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12
target/s390x/tcg/insn-data.h.inc
View File

@ -840,15 +840,15 @@
F(0xed15, SQDB, RXE, Z, 0, m2_64, new, f1, sqdb, 0, IF_BFP)
/* STORE */
C(0x5000, ST, RX_a, Z, r1_o, a2, 0, 0, st32, 0)
C(0xe350, STY, RXY_a, LD, r1_o, a2, 0, 0, st32, 0)
D(0x5000, ST, RX_a, Z, r1_o, a2, 0, 0, st32, 0, 0)
D(0xe350, STY, RXY_a, LD, r1_o, a2, 0, 0, st32, 0, 0)
C(0xe324, STG, RXY_a, Z, r1_o, a2, 0, 0, st64, 0)
F(0x6000, STD, RX_a, Z, f1, a2, 0, 0, st64, 0, IF_AFP1)
F(0xed67, STDY, RXY_a, LD, f1, a2, 0, 0, st64, 0, IF_AFP1)
F(0x7000, STE, RX_a, Z, e1, a2, 0, 0, st32, 0, IF_AFP1)
F(0xed66, STEY, RXY_a, LD, e1, a2, 0, 0, st32, 0, IF_AFP1)
E(0x7000, STE, RX_a, Z, e1, a2, 0, 0, st32, 0, 0, IF_AFP1)
E(0xed66, STEY, RXY_a, LD, e1, a2, 0, 0, st32, 0, 0, IF_AFP1)
/* STORE RELATIVE LONG */
C(0xc40f, STRL, RIL_b, GIE, r1_o, ri2, 0, 0, st32, 0)
D(0xc40f, STRL, RIL_b, GIE, r1_o, ri2, 0, 0, st32, 0, MO_ALIGN)
C(0xc40b, STGRL, RIL_b, GIE, r1_o, ri2, 0, 0, st64, 0)
/* STORE CHARACTER */
C(0x4200, STC, RX_a, Z, r1_o, a2, 0, 0, st8, 0)
@ -867,7 +867,7 @@
/* STORE HALFWORD RELATIVE LONG */
C(0xc407, STHRL, RIL_b, GIE, r1_o, ri2, 0, 0, st16, 0)
/* STORE HIGH */
C(0xe3cb, STFH, RXY_a, HW, r1_sr32, a2, 0, 0, st32, 0)
D(0xe3cb, STFH, RXY_a, HW, r1_sr32, a2, 0, 0, st32, 0, 0)
/* STORE ON CONDITION */
D(0xebf3, STOC, RSY_b, LOC, 0, 0, 0, 0, soc, 0, 0)
D(0xebe3, STOCG, RSY_b, LOC, 0, 0, 0, 0, soc, 0, 1)

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

@ -4392,7 +4392,8 @@ static DisasJumpType op_st16(DisasContext *s, DisasOps *o)
static DisasJumpType op_st32(DisasContext *s, DisasOps *o)
{
tcg_gen_qemu_st32(o->in1, o->in2, get_mem_index(s));
tcg_gen_qemu_st_tl(o->in1, o->in2, get_mem_index(s),
MO_TEUL | s->insn->data);
return DISAS_NEXT;
}