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Move arm to virt armv7, unify arm QEMU and gem5 builds

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gem5 requires armv7, and we learnt that the versatiledb we were using
was pre-v7.

We could have moved to -M vexpress-*, but in the end decided to go for
-M virt due to its simpliciy, and uniformity with aarch64.

platform_device: does not work anymore and was removed, since it was tied
to versatilepb.

We left a mention on the README and removed all in tree source. The QEMU
patch is still left as it was.

As a consequence, the linux tree had no other patches, and we now use
vanilla linux by default, which is a great thing for reproducibility.

Another consequence is the /poweroff.out works for arm -M virt,
and we removed all mentions of the problem.
This commit is contained in:
Ciro Santilli
2018-04-19 21:58:40 +01:00
parent 2852fe1989
commit af210a7671
13 changed files with 206 additions and 3689 deletions
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9
bench-boot
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@@ -29,14 +29,13 @@ gem5_insts "$arch"
#gem5_insts "$arch"
arch=arm
# Manual Ctrl+C required.
#bench "$arch -E '/poweroff.out'"
#bench "$arch -E '/poweroff.out' -T exec_tb"
#qemu_insts "$arch"
bench "$arch -E '/poweroff.out'"
bench "$arch -E '/poweroff.out' -T exec_tb"
qemu_insts "$arch"
bench "$arch -E 'm5 exit' -g"
gem5_insts "$arch"
# Was taking more than one hour.
#bench "$arch -E 'm5 exit' -g -- --caches --cpu-type=HPI"
#bench "$arch -E 'm5 exit' -g -- --cpu-type=HPI ${caches}"
#gem5_insts "$arch"
arch=aarch64