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efi_loader: clear screen should move cursor to home
authorHeinrich Schuchardt <xypron.glpk@gmx.de>
Sun, 22 Dec 2019 07:15:55 +0000 (07:15 +0000)
committerHeinrich Schuchardt <xypron.glpk@gmx.de>
Tue, 7 Jan 2020 17:08:20 +0000 (18:08 +0100)
commitb0ad9b5b2a60583dc44a171d7dfdaac1b4518aa7
tree86d7d5bb2409451ea896cd6815bef1d87ceebf77tree | snapshot
parent3510280960ead6947a296d1d9b8744d3336381eacommit | diff
efi_loader: clear screen should move cursor to home

On a VT100 terminal <ESC>[2J should be enough to both clear the whole
screen and set the cursor to position (1, 1). But the Linux console does
not behave like this. So send an extra <ESC>[H. For reference see the
console_codes(4) man page.

Add a function description.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
lib/efi_loader/efi_console.c diff | blob | history
My U-Boot fork