arch/arm64/lib/semihosting.S


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/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * semihosting.S - the trap instruction itself. qemu answers this when
 * it is started with -semihosting, and nothing happens without it, so
 * every caller has to cope with the no-debugger case.
 *
 * Copyright (C) 2026 Bradley Morgan <brads@mainlining.org>
 */

#include <asm/linkage.h>

.pushsection .text.smh_trap, "ax"
/* long smh_trap(unsigned int sysnum, void *addr); */
ENTRY(smh_trap)
	hlt	#0xf000
	ret
ENDPROC(smh_trap)
.popsection