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target/arm: Decode PAuth within disas_data_proc_2src

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Backports commit b6342a9f929b5946beb6726eef2ef2c5f4a11f09 from qemu
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Richard Henderson 2019-01-22 15:41:41 -05:00 committed by Lioncash
parent 999222f0a1
commit febfda4e98
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 9 additions and 0 deletions
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9
qemu/target/arm/translate-a64.c
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@ -4949,6 +4949,7 @@ static void handle_crc32(DisasContext *s,
*/
static void disas_data_proc_2src(DisasContext *s, uint32_t insn)
{
TCGContext *tcg_ctx = s->uc->tcg_ctx;
unsigned int sf, rm, opcode, rn, rd;
sf = extract32(insn, 31, 1);
rm = extract32(insn, 16, 5);
@ -4980,6 +4981,13 @@ static void disas_data_proc_2src(DisasContext *s, uint32_t insn)
case 11: /* RORV */
handle_shift_reg(s, A64_SHIFT_TYPE_ROR, sf, rm, rn, rd);
break;
case 12: /* PACGA */
if (sf == 0 || !dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
gen_helper_pacga(tcg_ctx, cpu_reg(s, rd), tcg_ctx->cpu_env,
cpu_reg(s, rn), cpu_reg_sp(s, rm));
break;
case 16:
case 17:
case 18:
@ -4995,6 +5003,7 @@ static void disas_data_proc_2src(DisasContext *s, uint32_t insn)
break;
}
default:
do_unallocated:
unallocated_encoding(s);
break;
}