[Qemu-devel] [Bug 887516] Re: VFP support reported for the PXA270

[Benoît Canet]

linux-user/elfload.c's AT_HWCAP was not reflecting cpu features.
Patch Reviewed-By and posted to the mailling list.

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

** Changed in: qemu
     Assignee: (unassigned) => Benoît Canet (benoit-canet)

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https://bugs.launchpad.net/bugs/887516

Title:
  VFP support reported for the PXA270

Status in QEMU:
  Fix Released

Bug description:
  The HWCAPS seems to be broken on PXA, because sigsetjmp of eglibc-2.14
  chooses a VFP code path after the hwcaps test [1][2] which causes a
  SIGILL on a VSTM instruction.

  How to reproduce:
  1. build an arm-linux-gnueabi toolchain with eglibc-2.14
  2. compile a trivial main()
  3. run it with qemu-arm -cpu pxa270

  Host: Debian Testing 64bit, 3.0 kernel
  Command line: ~/bin/qemu/bin/qemu-arm -cpu pxa270 -L 
~/bin/arm-linux-gnueabi/arm-unknown-linux-gnueabi/sysroot ./test2
  Qemu version: git 1d769ceda65eef76bad3356f5b7b0ce8a61e5d76

  [1] http://cygwin.com/ml/crossgcc/2011-11/msg00016.html
  [2] http://cygwin.com/ml/crossgcc/2011-11/msg00019.html

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