GENFB(4)                NetBSD Kernel Interfaces Manual               GENFB(4)


NAME
genfb -- generic framebuffer console driver
SYNOPSIS
genfb* at pci? genfb* at sbus? genfb* at intvid? (mac68k) genfb* at macvid? (mac68k) wsdisplay* at genfb?
DESCRIPTION
The genfb driver provides support for generic framebuffers that have no native driver. All it needs are some parameters to describe the frame- buffer and an address. PCI When attaching to a pci(4) bus the driver is configured via device prop- erties: width (uint32) Width in pixels. height (uint32) Height in pixels. stride (uint32) Line size in bytes. depth (uint32) Bits per pixel. is_console (bool) If true, genfb will try to become the system console. address (uint32) Bus address of the framebuffer. SBus When attaching to sbus(4) all those parameters are retrieved from the firmware. mac68k All those parameters are configured with Mac OS, and retrieved from the boot loader.
SEE ALSO
mac68k/intro(4), pci(4), sbus(4), wscons(4), wsdisplay(4)
BUGS
There is no way to change the color map even when the firmware supports it. The pci(4) bus frontend has only been tested on macppc, i386, and amd64 and requires machine dependent code to pass the properties men- tioned above. So far only macppc, i386, and amd64 provides them. NetBSD 9.0 July 26, 2019 NetBSD 9.0

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