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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2021 ARM Limited
*
* Verify that accessing ZA 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_za_trigger(struct tdescr *td)
{
/* ZERO ZA */
asm volatile(".inst 0xc00800ff");
return 0;
}
int sme_trap_za_run(struct tdescr *td, siginfo_t *si, ucontext_t *uc)
{
return 1;
}
struct tdescr tde = {
.name = "SME ZA trap",
.descr = "Check that we get a SIGILL if we access ZA without enabling",
.timeout = 3,
.sanity_disabled = true,
.trigger = sme_trap_za_trigger,
.run = sme_trap_za_run,
.sig_ok = SIGILL,
};
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