Re: git: dc6c193bb4a6 - main - loader.efi: Add xz decompression

From: Kyle Evans <kevans_at_FreeBSD.org>
Date: Sun, 12 Jul 2026 04:03:46 UTC
On 7/11/26 22:55, Warner Losh wrote:
> 
> 
> On Sat, Jul 11, 2026 at 9:38 PM Kyle Evans <kevans@freebsd.org <mailto:kevans@freebsd.org>> wrote:
> 
>     On 7/11/26 22:31, Warner Losh wrote:
>      >
>      >
>      > On Sat, Jul 11, 2026, 8:04 PM Kyle Evans <kevans@freebsd.org <mailto:kevans@freebsd.org> <mailto:kevans@freebsd.org <mailto:kevans@freebsd.org>>> wrote:
>      >
>      >     On 7/11/26 14:30, Warner Losh wrote:
>      >      > The branch main has been updated by imp:
>      >      >
>      >      > URL: https://cgit.FreeBSD.org/src/commit/?id=dc6c193bb4a67e2e9ee97d1e3ac3e2950bd16979 <https://cgit.FreeBSD.org/src/commit/?id=dc6c193bb4a67e2e9ee97d1e3ac3e2950bd16979> <https://cgit.FreeBSD.org/src/commit/?id=dc6c193bb4a67e2e9ee97d1e3ac3e2950bd16979 <https://cgit.FreeBSD.org/src/commit/?id=dc6c193bb4a67e2e9ee97d1e3ac3e2950bd16979>>
>      >      >
>      >      > commit dc6c193bb4a67e2e9ee97d1e3ac3e2950bd16979
>      >      > Author:     Warner Losh <imp@FreeBSD.org>
>      >      > AuthorDate: 2026-07-11 14:44:40 +0000
>      >      > Commit:     Warner Losh <imp@FreeBSD.org>
>      >      > CommitDate: 2026-07-11 19:28:47 +0000
>      >      >
>      >      >      loader.efi: Add xz decompression
>      >      >
>      >      >      We can now decompress .xz compressed memory disks, like
>      >      >      FreeBSD-15.1-RELEASE-amd64-disc1.iso.xz
>      >      >
>      >      >      Sponsored by:           Netflix
>      >      >      Differential Revision: https://reviews.freebsd.org/D58073 <https://reviews.freebsd.org/D58073> <https://reviews.freebsd.org/D58073 <https://reviews.freebsd.org/D58073>>
>      >      > ---
>      >      >   stand/defs.mk <http://defs.mk> <http://defs.mk <http://defs.mk>>                               |   5 ++
>      >      >   stand/efi/loader/Makefile                   |   2 +-
>      >      >   stand/efi/loader/decompress.c               | 101 ++++++++++++++++++++++++++--
>      >      >   stand/efi/loader/decompress.h               |   2 +-
>      >      >   stand/libsa/Makefile                        |   7 ++
>      >      >   sys/contrib/xz-embedded/freebsd/xz_config.h |  11 +--
>      >      >   6 files changed, 117 insertions(+), 11 deletions(-)
>      >      >
>      >     [...]
>      >      > diff --git a/stand/libsa/Makefile b/stand/libsa/Makefile
>      >      > index a0bc47f343b5..ab7a0f5a59f2 100644
>      >      > --- a/stand/libsa/Makefile
>      >      > +++ b/stand/libsa/Makefile
>      >      > @@ -110,6 +110,13 @@ SRCS+=   ${i}
>      >      >   SRCS+=      lz4.c
>      >      >   CFLAGS.lz4.c+= -I${SRCTOP}/sys/cddl/contrib/opensolaris/common/lz4
>      >      >
>      >      > +# xz decompression
>      >      > +.PATH: ${XZ_DIR}/linux/lib/xz
>      >      > +.for i in xz_crc32.c xz_crc64.c xz_dec_bcj.c xz_dec_lzma2.c xz_dec_stream.c xz.c
>      >      > +CFLAGS.${i}+=${XZ_CFLAGS}
>      >      > +SRCS+=       ${i}
>      >      > +.endfor
>      >      > +
>      >      >   # io routines
>      >      >   SRCS+=      closeall.c dev.c ioctl.c nullfs.c stat.c mount.c \
>      >      >       fstat.c close.c lseek.c open.c read.c write.c readdir.c preload.c
>      >
>      >     xz.c doesn't seem to come from xz-embedded, was it supposed to be added here?  This seems to have broken the build.
>      >
>      >
>      > Yes. I did. A later commit fixed it. xz.c is just malloc and free for the stand env.
>      >
> 
>     Hi,
> 
>     Did it get missed in a push?  It still seems to be broken as of
>     7e06c33151e76, and Jenkins seems to agree with that assessment:
> 
>     https://ci.freebsd.org/job/FreeBSD-main-amd64-build/35969/console <https://ci.freebsd.org/job/FreeBSD-main-amd64-build/35969/console>
> 
> 
> Oh Yes. I did it hours ago, but it looks like it didn't get pushed. df9d6403caa6 fixes it. My
> apologies for leaving things broken for so long.
> 
Ah, whoops- thanks!