[Qemu-devel] [Bug 1833668] Re: linux-user: Unable to run ARM binaries on Aarch64

[Richard Henderson]

Of course.  There's a separate qemu-arm executable for that.

** Changed in: qemu
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1833668

Title:
  linux-user: Unable to run ARM binaries on Aarch64

Status in QEMU:
  Invalid

Bug description:
  Download a ARM package from https://packages.debian.org/sid/busybox-
  static

  Here tested with: busybox-static_1.30.1-4_armel.deb

  $ file busybox.armel
  busybox.armel: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), 
statically linked, for GNU/Linux 3.2.0, 
BuildID[sha1]=12cf572e016bafa240e113b57b3641e94b837f37, stripped

  $ qemu-aarch64 --version
  qemu-aarch64 version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.14)

  $ qemu-aarch64 busybox.armel
  busybox.armel: Invalid ELF image for this architecture

  $ qemu-aarch64 -cpu cortex-a7 busybox.armel
  unable to find CPU model 'cortex-a7'

  Also reproduced with commit 33d609990621dea6c7d056c86f707b8811320ac1,
  while the aarch64_cpus[] array contains Aarch64 CPUs, the arm_cpus[] array is 
empty:

  $ gdb -q aarch64-linux-user/qemu-aarch64
  (gdb) p aarch64_cpus
  $1 = {{name = 0x1fe4e8 "cortex-a57", initfn = 0x109bc0 <aarch64_a57_initfn>, 
class_init = 0x0}, {name = 0x1fe508 "cortex-a53", initfn = 0x109a10 
<aarch64_a53_initfn>, class_init = 0x0}, {name = 0x1fe518 "cortex-a72", 
      initfn = 0x109868 <aarch64_a72_initfn>, class_init = 0x0}, {name = 
0x218020 "max", initfn = 0x109d70 <aarch64_max_initfn>, class_init = 0x0}, 
{name = 0x0, initfn = 0x0, class_init = 0x0}}
  (gdb) p arm_cpus
  $2 = {{name = 0x0, initfn = 0x0, class_init = 0x0}}

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