tests: Add support for downloaded archive fixtures

This changes add support for specifying fixtures that download
archives and uncompress them to the desired directory.

Change-Id: Ib3f6ee111b8d6130200507cbd170ecaf9fb39445
Signed-off-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18988
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>

tests: Move test programs paths to related test scripts

This change is needed to make sure that the DownloadedProgram fixture
does not fail, in case the test binaries are not stored in test-progs/
(e.g. in the case of cpu tests)

Change-Id: Icf96f2537b038502e78da560c7ccebc44984b509
Signed-off-by: Ayaz Akram <yazakram@ucdavis.edu>
Reviewed-on: https://gem5-review.googlesource.com/c/15856
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Rutuja Govind Oza <roza@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>

tests: Add test for the m5-exit instruction.

Change-Id: I92a589b267ce659b6fbcf710043436b84fcb1c63
Signed-off-by: Sean Wilson <spwilson2@wisc.edu>
Reviewed-on: https://gem5-review.googlesource.com/4423
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>