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1// SPDX-License-Identifier: GPL-2.02/*3 * Copyright (C) 2021 ARM Limited4 *5 * Verify that using a streaming mode instruction without enabling it6 * generates a SIGILL.7 */8 9#include <signal.h>10#include <ucontext.h>11#include <sys/prctl.h>12 13#include "test_signals_utils.h"14#include "testcases.h"15 16int sme_trap_no_sm_trigger(struct tdescr *td)17{18 /* SMSTART ZA ; ADDHA ZA0.S, P0/M, P0/M, Z0.S */19 asm volatile(".inst 0xd503457f ; .inst 0xc0900000");20 21 return 0;22}23 24int sme_trap_no_sm_run(struct tdescr *td, siginfo_t *si, ucontext_t *uc)25{26 return 1;27}28 29struct tdescr tde = {30 .name = "SME trap without SM",31 .descr = "Check that we get a SIGILL if we use streaming mode without enabling it",32 .timeout = 3,33 .feats_required = FEAT_SME, /* We need a SMSTART ZA */34 .sanity_disabled = true,35 .trigger = sme_trap_no_sm_trigger,36 .run = sme_trap_no_sm_run,37 .sig_ok = SIGILL,38};39