Re: CVS commit: src/sys/arch/aarch64/aarch64

[Rin Okuyama <rokuyama.rk%gmail.com@localhost>]

On 2020/10/13 19:57, Kamil Rytarowski wrote:
> On 13.10.2020 09:04, Rin Okuyama wrote:
> > Module Name:	src
> > Committed By:	rin
> > Date:		Tue Oct 13 07:04:49 UTC 2020
> >
> > Modified Files:
> > 	src/sys/arch/aarch64/aarch64: exec_machdep.c
> >
> > Log Message:
> > BE32 binaries are no longer supported for ARMv7 and later, and
> > therefore for aarch64eb.
> >
> > Reject them with ENOEXEC, rather than causing illegal instruction
> > exceptions due to unexpected binary format.
>
> Not supported in general or on NetBSD? Big Endian 32bit is supported on
> Cavium ThunderX (at least on a selection of models if not all of them).

BE32 does not mean "big endian 32bit binary". It is an old binary format for
big endian 32-bit executables, that is supported up to ARMv6. ARMv7 and later
only support a new binary format, BE8.

BE8 binaries work without problem with COMPAT_NETBSD32 on aarch64eb.

Thanks,
rin