Steffen Yount comments

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                                            Steffen Yount

Facilitate RP2040 XIP-cache-as-RAM feature, reclaiming bus bandwidth for time critical instructions in COPY_TO_RAM and NO_FLASH builds

> > Would you consider including the two CMake functions added in my `src/rp2_common/pico_platform_sections/CMakeLists.txt` changes? > > Those look like those could be useful functions, but I think I'll leave...

Facilitate RP2040 XIP-cache-as-RAM feature, reclaiming bus bandwidth for time critical instructions in COPY_TO_RAM and NO_FLASH builds

> Ok, I'll submit a separate PR for them. Thanks PR submitted, see #2677

Facilitate RP2040 XIP-cache-as-RAM feature

> Does this actually increase performance, or does it just increase the amount of usable memory by moving some stuff out of main SRAM into the XIP-SRAM? For my application...

Facilitate RP2040 XIP-cache-as-RAM feature

> > If your code is very timing-critical, I wonder if you might be able to get even better performance by allocating the non-striped SRAM banks to specific CPUs and/or...

Facilitate RP2040 XIP-cache-as-RAM feature

@will-v-pi had pointed out some CMake issues. I believe I've fixed those. I also tried to cleanup some of my comments a bit. See my updated changes in this PR.