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@a1ba @mittorn using load/store double instructions to read/write 64 bits at a time

@a1ba @mittorn MIPS NT requires an FPU so much, the memset and memcpy implementations use it, which is why I was expecting unpatched setupapp to crash

@a1ba @mittorn this is MIPS. even the very early build of NT for R3000 expected an FPU to be present.

after fixing some usb driver bugs (this ohci controller expects buffers to be 4K aligned), setupapp somehow runs this far without patches??? i was expecting it to crash and was *trying* to test the exception handler...

@thawkade here's the actual blog post since nobody is linking to it https://android-developers.googleblog.com/2025/08/elevating-android-security.html

i can understand this where certain often-abused permissions are used, but not for *everything*.

what's the bet that this is against DMA lol