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authorRob Austein <sra@hactrn.net>2016-11-01 12:09:41 -0400
committerRob Austein <sra@hactrn.net>2016-11-01 12:09:41 -0400
commitf7c3a151c7b0a3f040ab9aa8d81c562684d3f2e8 (patch)
treefebe75002ea8b8c4f0742e4aa75ac70172b6b0ae /utils/load_novena_fpga
parent59fe931b88a9314d50eeaac4ab09eb92f3d814bb (diff)
hal_ks_index_fsck() and a pile of debugging code.
The debugging code was for tracking down what turned out to be a race condition in the Alpha's flash driver code (see sw/stm32); much of this was temporary, and will be removed in a (near) future commit, but some of the techniques were useful and belong in the repository in case we need to pull them back for something similar in the future. hal_ks_index_fsck() attempts to diagnose all the things I found wrong in the ks_flash index after one long series of errors. As presently written, it doesn't attempt to fix anything, just diagnose errors: the intent is that we can call this, before and after every modification if necessary, to poinpoint exactly which calls introduce errors. Once things stablize a bit, we may want to crank down the number of calls to this (it's a bit expensive, since it checks the entire index), and perhaps add the ability to clean up whatever errors it might find; the latter might be a good candidate for a CLI command.
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