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[rom] remove 64k ROM_EXT code size restriction #21831

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merged 3 commits into from
Mar 8, 2024

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This fixes #21553.

Note, this simply removes the restriction. Additional changes will be required to truly support dynamic ROM_EXT / Owner slot sizes (if that is deemed desirable in the future).

@timothytrippel timothytrippel requested review from a team as code owners March 5, 2024 00:29
@timothytrippel timothytrippel requested review from jwnrt, jon-flatley, cfrantz and moidx and removed request for a team, jwnrt and jon-flatley March 5, 2024 00:29
@timothytrippel timothytrippel force-pushed the remove-64k-limit branch 3 times, most recently from 0976edb to 89635cf Compare March 7, 2024 23:57
This fixes lowRISC#21553.

Note, this simply removes the restriction. Additional changes will be
required to truly support dynamic ROM_EXT / Owner slot sizes (if that is
deemed desirable in the future).

Signed-off-by: Tim Trippel <[email protected]>
This tests the ability to load a ROM_EXT image that is larger than the
64k ROM_EXT slot to facilitate provisioning flows.

Signed-off-by: Tim Trippel <[email protected]>
@timothytrippel timothytrippel changed the title [rom] remove 64k code size restriction ROM_EXT [rom] remove 64k ROM_EXT code size restriction Mar 8, 2024
timothytrippel added a commit to timothytrippel/opentitan that referenced this pull request Mar 8, 2024
Since the merging of lowRISC#21831, larger binaries can now be placed in the
ROM_EXT bootstage. This enables combining the perso binaries into a
single binary, starting by combining binary 1 & 2.

Signed-off-by: Tim Trippel <[email protected]>
@timothytrippel timothytrippel merged commit d7a0846 into lowRISC:master Mar 8, 2024
32 checks passed
@timothytrippel timothytrippel deleted the remove-64k-limit branch March 8, 2024 22:27
timothytrippel added a commit to timothytrippel/opentitan that referenced this pull request Mar 10, 2024
Since the merging of lowRISC#21831, larger binaries can now be placed in the
ROM_EXT bootstage. This enables combining the perso binaries into a
single binary, starting by combining binary 1 & 2.

Signed-off-by: Tim Trippel <[email protected]>
timothytrippel added a commit that referenced this pull request Mar 11, 2024
Since the merging of #21831, larger binaries can now be placed in the
ROM_EXT bootstage. This enables combining the perso binaries into a
single binary, starting by combining binary 1 & 2.

Signed-off-by: Tim Trippel <[email protected]>
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[rom] remove 64k code size restriction on first boot stage
4 participants