Rather than using `n * 1024 * 1024`, this adds a convenient `_MiB`/`_KiB` user-literal to the new `literals.h` header to concisely describe units of memory in a much more readable way. Any other useful literals can be added to this header. These literals exist in the `xe::literals` namespace so they are opt-in, similar to `std::chrono` literals, and require a `using namespace xe::literals` statement to utilize it within the current scope.
I've done a pass through the codebase to replace trivial instances of `1024 * 1024 * ...` expressions being used but avoided anything that added additional casting complexity from `size_t` to `uint32_t` and such to keep this commit concise.
Just checking if the resulting mask is non-zero means we cannot allow this function to check for multiple features in parallel. A hypothetical computer that supports FMA but not AVX2 will return `true` if you try to call `IsFeatureEnabled(kX64EmitFMA | kX64EmitAVX2)`. We should make sure all the masked flags return `true` rather than check for non-zero.
This is ramping up to allow for particular subsets of AVX512 to be checked for in parallel with a single function call.
All of the (non-third party) cpp impl files use the .cc extension, this one doesn't. I was digging through the code and found this one so thought I might as well rename it whilst I'm here!
XMountUtilityDrive code tries reading/writing from \Device\Harddisk0\Cache0 / Cache1 / Partition0, NullDevice handling \Device\Harddisk0 will make that code think that the reads/writes were successful, so the utility-drive mount can proceed without failing.
XMountUtilityDrive-related code checks some values returned from NtDeviceIoControlFile, stub just returns values that it seems to accept
IoCreateDevice is also used by utility-drive code, writing some values into a pointer returned by it, so stub allocs space so it can write to the pointer without errors.
The fpfs function is using strtof to convert a string to floating point
value, but the type may be a double. Using strtof in that case won't
provide enough precision, so switch to using strtod. When the type is a
float, the double will be down-converted to the correct value.
Wunkolo