[Qemu-devel] [Bug 1263747] Re: Arm64 fails to run a binary which runs OK on real hardware

[T. Huth]

** Changed in: qemu
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1263747

Title:
  Arm64 fails to run a binary which runs OK on real hardware

Status in QEMU:
  Fix Released

Bug description:
  Note this is using the not-yet-upstream aarch64 patches from:

  https://github.com/susematz/qemu/tree/aarch64-1.6

  ---- ----

  This binary:

  http://oirase.annexia.org/tmp/test.gz

  runs OK on real aarch64 hardware.  It is a statically linked Linux
  binary which (if successful) will print "hello, world" and exit
  cleanly.

  On qemu-arm64 userspace emulator it doesn't print anything and loops
  forever using 100% CPU.

  ---- ----

  The following section is only if you wish to compile this binary from
  source, otherwise you can ignore it.

  First compile OCaml from:

  https://github.com/ocaml/ocaml

  (note you have to compile it on aarch64 or in qemu, it's not possible
  to cross-compile).  You will have to apply the one-line patch from:

  https://sympa.inria.fr/sympa/arc/caml-list/2013-12/msg00179.html

      ./configure
      make -j1 world.opt

  Then do:

      echo 'print_endline "hello, world"' > test.ml
      ./boot/ocamlrun ./ocamlopt -I stdlib stdlib.cmxa test.ml -o test
      ./test

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