37 lines
707 B
C
37 lines
707 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2021 ARM Limited
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*
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* Verify that accessing ZA without enabling it generates a SIGILL.
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*/
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#include <signal.h>
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#include <ucontext.h>
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#include <sys/prctl.h>
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#include "test_signals_utils.h"
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#include "testcases.h"
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int sme_trap_za_trigger(struct tdescr *td)
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{
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/* ZERO ZA */
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asm volatile(".inst 0xc00800ff");
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return 0;
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}
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int sme_trap_za_run(struct tdescr *td, siginfo_t *si, ucontext_t *uc)
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{
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return 1;
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}
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struct tdescr tde = {
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.name = "SME ZA trap",
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.descr = "Check that we get a SIGILL if we access ZA without enabling",
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.timeout = 3,
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.sanity_disabled = true,
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.trigger = sme_trap_za_trigger,
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.run = sme_trap_za_run,
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.sig_ok = SIGILL,
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};
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