Date: Thu, 05 Mar 2026 08:56:21 +0000 From: Ruslan Bukin <br@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: dff2758b5fa7 - main - static dtb: add BTI note Message-ID: <69a94535.31a88.2ad98473@gitrepo.freebsd.org>
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The branch main has been updated by br: URL: https://cgit.FreeBSD.org/src/commit/?id=dff2758b5fa7d4987b03f3a04e1b02b367fe9b73 commit dff2758b5fa7d4987b03f3a04e1b02b367fe9b73 Author: Ruslan Bukin <br@FreeBSD.org> AuthorDate: 2026-03-05 08:50:18 +0000 Commit: Ruslan Bukin <br@FreeBSD.org> CommitDate: 2026-03-05 08:50:26 +0000 static dtb: add BTI note Add BTI note to fdt_static_dtb.o - resolves "Branch Target Exception" panic on FDT systems with static DTB due to missing landing pads (bti note has to be in all object files used for linkage) - also required by bti_report linker feature Reviewed by: andrew Differential Revision: https://reviews.freebsd.org/D55636 --- sys/dev/fdt/fdt_static_dtb.S | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/dev/fdt/fdt_static_dtb.S b/sys/dev/fdt/fdt_static_dtb.S index 6ff6e312197d..d657236479aa 100644 --- a/sys/dev/fdt/fdt_static_dtb.S +++ b/sys/dev/fdt/fdt_static_dtb.S @@ -28,6 +28,13 @@ #include "fdt_static_dtb.h" +#if defined(__aarch64__) +#include <sys/elf_common.h> +#include <machine/asm.h> + +GNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL) +#endif + .data .ascii "Device Tree Blob STARTS here" .global fdt_static_dtbhome | help
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