Re: [edk2-devel] Memory Attribute for depex section

["Laszlo Ersek" <lersek@redhat.com>]

On 1/11/24 09:46, Laszlo Ersek wrote:
> On 1/10/24 22:50, Pedro Falcato wrote:

>> For the protocol database, you'd replace the linked list with a simple
>> hashtable, hashed by protocol. Something as simple as LIST_ENTRY
>> mProtocolHashtable[64]; would probably be enough to fan out most of
>> the problems (I think? How many different protocols are there?)
> 
> I can answer this question reasonably well, I think. I have a script
> that collects symbolic names of GUIDs from the edk2 tree (plus hardcodes
> a number of well-known but not edk2 GUIDs), and creates a "sed" script
> out of them. Then another script uses this "sed" script for filtering
> edk2 logs -- the idea being to replace the whole bunch of logged GUIDs
> with their symbolic names. That makes logs much easier to read.
> 
> The generator script is written such a way that the generated "sed"
> script only grows over time; put differently, this "dictionary" of
> name<->GUID associations never forgets, it only picks up new GUIDs. The
> "sed" script (= the dictionary file) consists of entries like
> 
> s:FFB19961-79CC-4684-84A8-C31B0A2BBE82:[EarlyFdt16550SerialPortHookLib]:ig
> s:FFB56F09-65E3-4462-A799-2F0D1930D38C:[DxeContextBufferModuleConfigLib]:ig
> s:FFE06BDD-6107-46A6-7BB2-5A9C7EC5275C:[EfiAcpiTableProtocol]:ig
> s:FFF12B8D-7696-4C8B-A985-2747075B4F50:[EfiSystemNvDataFv]:ig
> 
> it's sorted uniquely by GUID.
> 
> Right now, it has 3074 entries. (People like generating GUIDs! :) In
> PI/UEFI/edk2, *everything* is a GUID, not just protocols!)

If I grep the dictionary for "Protocol", I get 515 hits.



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