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gem5: use pre-generated keys instead of haveged in gem5 machine

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As the gem5 image won't be used in production there is no need to
generate unique SSH keys on the first boot, which takes a long time in
gem5.

Instead of recommending haveged (from meta-oe) we can simply install
pre-generated SSH keys. These keys are static so should not be used in
production!

Change-Id: I134a421d66eb2b55cf0e4f44781021ac2c96106d
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>
This commit is contained in:
Ross Burton
2020-10-16 19:19:34 +01:00
committed by Jon Mason
parent 8d4a60880f
commit a7dc167104
1 changed files with 5 additions and 4 deletions
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meta-gem5/conf/machine/gem5-arm64.conf
+5 -4
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@@ -47,7 +47,8 @@ GEM5_RUN_CMDLINE = ""
EXTRA_IMAGEDEPENDS += "gem5-aarch64-native"
# Use haveged as a source of entropy instead of rng-tools (Needed for ssh).
# rngd (Part of rng-tools) takes ~7 mins to init resulting in a slow boot time.
PACKAGE_EXCLUDE_append = " rng-tools"
MACHINE_EXTRA_RRECOMMENDS += "haveged"
# As this is a virtual target that will not be used in the real world there is
# no need for real SSH keys. Disable rng-tools (which takes too long to
# initialise) and install the pre-generated keys.
PACKAGECONFIG_remove_pn-openssh = "rng-tools"
MACHINE_EXTRA_RRECOMMENDS += "ssh-pregen-hostkeys"