don't exec 32bit binary on the cpu that has no aarch32.
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ac324355db
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ac6a092d65
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@ -1,4 +1,4 @@
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/* $NetBSD: exec_machdep.c,v 1.3 2018/10/12 01:28:57 ryo Exp $ */
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/* $NetBSD: exec_machdep.c,v 1.4 2018/11/28 08:12:15 ryo Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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@ -31,7 +31,7 @@
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#include <sys/cdefs.h>
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__KERNEL_RCSID(1, "$NetBSD: exec_machdep.c,v 1.3 2018/10/12 01:28:57 ryo Exp $");
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__KERNEL_RCSID(1, "$NetBSD: exec_machdep.c,v 1.4 2018/11/28 08:12:15 ryo Exp $");
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#include "opt_compat_netbsd.h"
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#include "opt_compat_netbsd32.h"
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@ -75,6 +75,14 @@ aarch64_netbsd_elf32_probe(struct lwp *l, struct exec_package *epp, void *eh0,
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if (!elf_aapcs_p)
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return ENOEXEC;
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/*
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* require aarch32 feature.
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* XXX should consider some cluster may have no aarch32?
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*/
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if (__SHIFTOUT(l->l_cpu->ci_id.ac_aa64pfr0, ID_AA64PFR0_EL1_EL0) !=
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ID_AA64PFR0_EL1_EL0_64_32)
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return ENOEXEC;
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return 0;
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}
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#endif
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