[Bug 1867072] Re: ARM: tag bits cleared in FAR_EL1

[Laurent Vivier]

Fixed here:
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=38d931687fa1


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

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https://bugs.launchpad.net/bugs/1867072

Title:
  ARM: tag bits cleared in FAR_EL1

Status in QEMU:
  Fix Released

Bug description:
  The ARM Architecture Reference Manual provides the following for
  FAR_EL1:

  "For a Data Abort or Watchpoint exception, if address tagging is
  enabled for the address accessed by the data access that caused the
  exception, then this field includes the tag."

  However, I have found that the tag bits in FAR_EL1 are always clear,
  even if the tag bits were set in the original access.

  I can reproduce the problem on both 4.1.1 and master
  (6e8a73e911f066527e775e04b98f31ebd19db600).

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