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* Add sys/_align.h replacing machine/_align.hBrooks Davis2025-12-101-47/+0
| | | | | | | | | | | | | | | | Define _ALIGNBYTES using sizeof(void *) (no functional change on any existing architecture) which will allow it to work with CHERI were we must align things up to capability alignment. In _ALIGN, replace integer manipulation which does not preserve pointer provenance with a type and provenance preserving builtin. This requires modest changes in code which assumes _ALIGN returns an integer, but those are relatively rare. Reviewed by: kib, markj Effort: CHERI upstreaming Sponsored by: Innovate UK Differential Revision: https://reviews.freebsd.org/D53947
* sys: Remove ancient SCCS tags.Warner Losh2023-11-271-2/+0
| | | | | | | | Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix
* sys: Remove $FreeBSD$: one-line .h patternWarner Losh2023-08-161-1/+0
| | | | Remove /^\s*\*+\s*\$FreeBSD\$.*$\n/
* arm64 lib32: prepare arm64 headers to redirect to armMike Karels2023-07-251-0/+6
| | | | | | | | | | | | | | | | | | | | | | | In order to compile lib32 libraries and other 32-bit code on arm64, <machine/foo.h> needs to be redirected to an arm header rather than arm64 when building with -m32. Ifdef the arm64 headers that are installed in /usr/include/machine and used by user-level software (including references from /usr/include/*.h) so that if __arm__ is defined when including the arm64 version, <arm/foo.h> is included rather than using the rest of the file's contents. Some arm headers had no arm64 equivalent; headers were added just to do the redirection. These files use #error if __arm__ is not defined to guard against confusion. Also add an include/arm Makefile, and modify Makefiles as needed to install everything, including the arm files in /usr/include/arm. fenv.h comes from lib/msun/arm/fenv.h. The new arm64 headers are: acle-compat.h cpuinfo.h sysreg.h Reviewed by: jrtc27, imp Differential Revision: https://reviews.freebsd.org/D40944
* Add the start of the arm64 machine headers. This is the subset needed toAndrew Turner2015-03-231-0/+44
start getting userland libraries building. Reviewed by: imp Sponsored by: The FreeBSD Foundation Notes: svn path=/head/; revision=280364