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f72d1684e5
Previously it was not initialized until "post-VM", but there are a number of ways VM initialization can go wrong that it would be nice to know about without needing a serial port. On arches which map the whole physical memory into the kernel address space (x86_64, at least), we can get the bluescreen facility initialized using KERNEL_PMAP_BASE. On other architectures, we just fail to init then, and do the usual setup later on. A slight bit of extra code cleanup in blue_screen_init_early: we now just call module->info.std_ops() rather than a frame-buffer-console specific method.