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[sw/silicon_creator] Refactor ROM bootstrap into a common lib #19155

Merged
merged 3 commits into from
Jul 11, 2023
Merged

[sw/silicon_creator] Refactor ROM bootstrap into a common lib #19155

merged 3 commits into from
Jul 11, 2023

Commits on Jul 11, 2023

  1. [sw/silicon_creator] Move ROM bootstrap impl into common library 

    The goal of the overarching refactor is to move bootstrap code into a
library that can be shared by ROM and ROM_EXT. This will enable us to
share code between the two variants of bootstrap. (ROM_EXT bootstrap is
also referred to as "recovery".)

This commit renames bootstrap.c and does a little surgery on BUILD files
to ensure the bootstrap library still builds. Splitting this refactor
into two commits preserves bootstrap.c's edit history.

Issue lowRISC#19151

Signed-off-by: Dan McArdle <dmcardle@opentitan.org>
    @dmcardle
    dmcardle committed Jul 11, 2023
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  2. [sw/silicon_creator] Refactor bootstrap and reflash libraries 

    Now, bootstrap() in bootstrap.c checks whether bootstrap is requested,
but delegates the SPI loop to the common bootstrap library.

Issue lowRISC#19151

Signed-off-by: Dan McArdle <dmcardle@opentitan.org>
    @dmcardle
    dmcardle committed Jul 11, 2023
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  3. [sw/silicon_creator] Create hollowed-out bootstrap lib for englishbre… 

    …akfast

This is based on the solution to issue lowRISC#12905.

Signed-off-by: Dan McArdle <dmcardle@opentitan.org>
    @dmcardle
    dmcardle committed Jul 11, 2023
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