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Use hv-logical-memop for blinking the screen on qemu vga 

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2012-02-22 10:34:27 +11:00
parent e6aac8b56d
commit 440e662879
1 changed files with 13 additions and 1 deletions
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14
board-qemu/slof/pci-device_1234_1111.fs
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@ -255,6 +255,16 @@ a CONSTANT VBE_DISPI_INDEX_NB
: display-remove ( -- )
;
: hcall-invert-screen ( -- )
frame-buffer-adr frame-buffer-adr 3
screen-height screen-width * screen-depth * /x /
1 hv-logical-memop
;
: hcall-blink-screen ( -- )
hcall-invert-screen hcall-invert-screen
;
: display-install ( -- )
is-installed? NOT IF
." Installing QEMU fb" cr
@ -266,7 +276,9 @@ a CONSTANT VBE_DISPI_INDEX_NB
disp-width char-width / disp-height char-height /
disp-depth 7 + 8 / ( width height #lines #cols depth )
fb-install
true to is-installed?
['] hcall-invert-screen to invert-screen
['] hcall-blink-screen to blink-screen
true to is-installed?
THEN
;