diff options
| author | Lubomir Rintel <lkundrak@v3.sk> | 2019-02-19 21:35:14 +0100 |
|---|---|---|
| committer | James Cameron <quozl@laptop.org> | 2020-03-12 14:17:55 +1100 |
| commit | d3dfc784523ed2d590262518586416de59efa26d (patch) | |
| tree | 497d015e90058a1c7234b4671f2785c4efaf218f | |
| parent | 4b4957222635465127437cca7e2f98d74e66baf7 (diff) | |
| download | openfirmware-d3dfc784523ed2d590262518586416de59efa26d.tar.gz | |
geode/display: add /chosen/framebuffer simple-framebuffer node
Hand the framebuffer set up by OFW over to the operating system. This
enables Linux to draw on the screen if the native driver is not (yet)
available. Follows the display/simple-framebuffer.txt bindings.
| -rw-r--r-- | dev/geode/display/gp.fth | 29 | ||||
| -rw-r--r-- | dev/geode/display/gxfb.fth | 2 |
2 files changed, 29 insertions, 2 deletions
diff --git a/dev/geode/display/gp.fth b/dev/geode/display/gp.fth index 65d66ac5..673e1c30 100644 --- a/dev/geode/display/gp.fth +++ b/dev/geode/display/gp.fth @@ -94,15 +94,44 @@ alias depth+ wa+ ['] fbgeode-delete-lines is delete-lines ; +: add-simple-framebuffer ( -- ) + height width frame-buffer-adr ( height width fba ) + " /chosen" find-device + new-device + " framebuffer" device-name + " simple-framebuffer" +compatible + + >physical encode-int ( height width adr len ) + 2over * 2 * encode-int encode+ ( height width adr len adr len) + " reg" property + + dup 2 * " stride" integer-property ( height width ) + " width" integer-property ( height ) + " height" integer-property ( ) + " r5g6b5" " format" string-property + " /display" encode-phandle " display" property + finish-device + device-end +; + +: remove-simple-framebuffer ( -- ) + " /chosen/framebuffer" find-package if delete-package then +; + : display-install ( -- ) init-all default-font set-font width height ( width height ) over char-width / over char-height / ( width height rows cols ) /scanline depth fb-install gp-install ( ) + add-simple-framebuffer init-hook ; +: display-remove ( -- ) + remove-simple-framebuffer +; + : display-selftest ( -- failed? ) false ; ' display-install is-install diff --git a/dev/geode/display/gxfb.fth b/dev/geode/display/gxfb.fth index 63dfe4ea..bf19050c 100644 --- a/dev/geode/display/gxfb.fth +++ b/dev/geode/display/gxfb.fth @@ -521,8 +521,6 @@ headers frame-buffer-adr /fb + to graphmem ; -: display-remove ( -- ) ; - " display" device-type " ISO8859-1" encode-string " character-set" property 0 0 encode-bytes " iso6429-1983-colors" property |