cgfour(4) - NetBSD Manual Pages

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CGFOUR(4)            NetBSD/sparc Kernel Interfaces Manual           CGFOUR(4)

cgfour -- Sun 8-bit color frame buffer
cgfour0 at obio0 addr 0xfb300000 level 4 (sun4/300) cgfour0 at obio0 addr 0x0b300000 level 4 (sun4/100)
The cgfour is a memory based color frame buffer with overlay plane. Its pixel memory and control planes can be mapped into a user process address space by using the mmap(2) system call. The cgfour driver supports the minimal ioctl's needed to run Xorg(1).
sparc/bwtwo(4), sparc/cgeight(4), sparc/cgsix(4), sparc/cgthree(4), sparc/cgtwo(4), sparc/tcx(4) NetBSD 9.0 February 17, 2017 NetBSD 9.0
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