From 5ff54a875642962fc857cee00bde17f9a465f1fa Mon Sep 17 00:00:00 2001 From: Bradley Morgan Date: Sun, 4 Oct 2026 10:42:10 +0000 Subject: tashaboot: arm64 bootloader holy shit it's here, Tashaboot, based from arm arm, enjoy reading this masterpiece Signed-off-by: Bradley Morgan --- arch/arm64/lib/semihosting.S | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 arch/arm64/lib/semihosting.S (limited to 'arch/arm64/lib/semihosting.S') diff --git a/arch/arm64/lib/semihosting.S b/arch/arm64/lib/semihosting.S new file mode 100644 index 0000000..6e3fc31 --- /dev/null +++ b/arch/arm64/lib/semihosting.S @@ -0,0 +1,18 @@ +/* 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 + */ + +#include + +.pushsection .text.smh_trap, "ax" +/* long smh_trap(unsigned int sysnum, void *addr); */ +ENTRY(smh_trap) + hlt #0xf000 + ret +ENDPROC(smh_trap) +.popsection -- cgit v1.2.3