indicating an unhandled "command". ERESTART is -1, which can lead to
confusion. ERESTART has been moved to -3 and EPASSTHROUGH has been
placed at -4. No ioctl code should now return -1 anywhere. The
ioctl() system call is now properly restartable.
- video base register value brings different scanline starting address
of framebuffer depending on VRAM chip column size.
many other issues left unsolved.
- text rendered in incorrect colours.
- acceleration codes should be reimplemented from scratch.
than the preivous code. It can show readable characters on screen.
Tested only with 32bpp model of PMAGD opion card. Need more work for 8bpp.
- 2D accelleration will be revamped to ultilize SFBplus features.
- there seems much mulfunctionness in 32bpp codes of /sys/dev/rasops/.
Need to rectify every corners.
"off_t" and the return value is a "paddr_t" to allow mappings
at offsets past 2^31 bytes. Somewhat inspired by FreeBSD, which
only changed the offset to a "vm_offset_t".
Includes updates for the i386, pc532 and sh3 mmmmap from Jason Thorpe.
