Date: Wed, 27 May 2026 15:24:08 +0000 From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 48da01ad0b16 - main - arm64: Add a comment about HWCAP values Message-ID: <6a170c98.2793d.d955f47@gitrepo.freebsd.org>
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The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=48da01ad0b165b4dd38a4c22449216c1babc068b commit 48da01ad0b165b4dd38a4c22449216c1babc068b Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2026-05-14 15:04:32 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2026-05-27 15:22:25 +0000 arm64: Add a comment about HWCAP values They must be identical to Linux. Document this requirement to allow userspace to depend on this. Sponsored by: Arm Ltd --- sys/arm64/include/elf.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sys/arm64/include/elf.h b/sys/arm64/include/elf.h index a5a90f8c7712..7940bb259256 100644 --- a/sys/arm64/include/elf.h +++ b/sys/arm64/include/elf.h @@ -96,6 +96,12 @@ __ElfType(Auxinfo); /* First __FreeBSD_version that supports Top Byte Ignore (TBI) */ #define TBI_VERSION 1500058 +/* + * The HWCAP values must be identical to Linux. Many userspace programs + * will define missing HWCAP values to the Linux version. To keep these + * working when we add the HWCAP it must be the same. + */ + /* HWCAP */ #define HWCAP_FP (1 << 0) #define HWCAP_ASIMD (1 << 1)home | help
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