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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2021 ARM Limited
*
* Verify that using a streaming mode instruction without enabling it
* generates a SIGILL.
*/
#include <signal.h>
#include <ucontext.h>
#include <sys/prctl.h>
#include "test_signals_utils.h"
#include "testcases.h"
int sme_trap_no_sm_trigger(struct tdescr *td)
{
/* SMSTART ZA ; ADDHA ZA0.S, P0/M, P0/M, Z0.S */
asm volatile(".inst 0xd503457f ; .inst 0xc0900000");
return 0;
}
int sme_trap_no_sm_run(struct tdescr *td, siginfo_t *si, ucontext_t *uc)
{
return 1;
}
struct tdescr tde = {
.name = "SME trap without SM",
.descr = "Check that we get a SIGILL if we use streaming mode without enabling it",
.timeout = 3,
.feats_required = FEAT_SME, /* We need a SMSTART ZA */
.sanity_disabled = true,
.trigger = sme_trap_no_sm_trigger,
.run = sme_trap_no_sm_run,
.sig_ok = SIGILL,
};
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