52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
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// 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 using an instruction not supported in streaming mode
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* traps when in streaming mode.
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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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static union {
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ucontext_t uc;
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char buf[1024 * 128];
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} context;
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int zt_no_regs_run(struct tdescr *td, siginfo_t *si, ucontext_t *uc)
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{
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size_t offset;
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struct _aarch64_ctx *head = GET_BUF_RESV_HEAD(context);
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/*
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* Get a signal context which should not have a ZT frame and
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* registers in it.
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*/
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if (!get_current_context(td, &context.uc, sizeof(context)))
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return 1;
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head = get_header(head, ZT_MAGIC, GET_BUF_RESV_SIZE(context), &offset);
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if (head) {
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fprintf(stderr, "Got unexpected ZT context\n");
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return 1;
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}
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td->pass = 1;
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return 0;
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}
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struct tdescr tde = {
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.name = "ZT register data not present",
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.descr = "Validate that ZT is not present when ZA is disabled",
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.feats_required = FEAT_SME2,
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.timeout = 3,
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.sanity_disabled = true,
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.run = zt_no_regs_run,
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};
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