From: Richard Weinberger <richard.weinberger@gmail.com>
To: xenomai@xenomai.org
Subject: 32bit compat mode for arm64
Date: Fri, 28 Feb 2020 22:01:04 +0100 [thread overview]
Message-ID: <CAFLxGvyr7f8bUxaEVpEwSGYEvX4FrkpGBV6qa2sR3SHq3wi_Yw@mail.gmail.com> (raw)
Hi!
I noticed that running 32bit arm EABI xenomai userspace is currently
not possible
on arm64 kernels.
>From a quick look I see the following tasks to make it happen:
- syscall gate adaptations for cobalt arm32 syscalls (they are
different from regular arm EABI)
- teach ipipe_root_nr_syscalls() on arm64 about __NR_compat_syscalls
- Don't use XENOMAI_ABI_REV for compat userspace on arm64
- Implement a syscall32-table.h (for COBALT_SYSCALL32emu_DECL() and friends)
Is this something which will be supported sooner or later?
...or is there a massive show-stopper I didn't notice so far?
--
Thanks,
//richard
next reply other threads:[~2020-02-28 21:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-28 21:01 Richard Weinberger [this message]
2020-02-28 22:11 ` 32bit compat mode for arm64 Lennart Sorensen
2020-02-28 22:16 ` Richard Weinberger
2020-03-02 20:25 ` Lennart Sorensen
2020-03-02 20:33 ` Jan Kiszka
2020-03-02 20:42 ` Lennart Sorensen
2020-02-29 11:46 ` Richard Weinberger
2020-03-02 12:21 ` Jan Kiszka
2020-03-02 12:34 ` Richard Weinberger
2020-03-02 12:39 ` Jan Kiszka
2020-03-02 12:16 ` Jan Kiszka
2020-03-02 12:52 ` Richard Weinberger
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