Got it! Thanks for the answer Andrew.
Rafael Machado Em ter, 8 de mai de 2018 às 12:55, Andrew Fish <af...@apple.com> escreveu: > Rafael, > > I seem to remember those functions are used to manage the cache on a > Harvard architecture caches [1]. > > If you look at InvalidateInstructionCacheRange() you will notice it is > used when code gets loaded into memory to keep the data and instruction > caches coherent. If the instruction cache maintains coherency in hardware > then there is no need for this functions to do anything. > > If you notice the IPF version actually does something, and that is why > these functions exists. > > [1] https://en.wikipedia.org/wiki/Harvard_architecture > > Thanks, > > Andrew Fish > > On May 8, 2018, at 6:46 AM, Rafael Machado < > rafaelrodrigues.mach...@gmail.com> wrote: > > Hi everyone > > I have a question. During a research I got to the BaseCacheMaintenanceLib, > and noticed that there is a function that is not implemented. > > The function InvalidateInstructionCache does not have a body, but as far as > I > could check it's used in some places. > > Is it ok to have this function empty? > > Thanks and Regards > Rafael R. Machado > > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel > > > _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
