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CVS commit: src/sys/arch/i386/stand/efiboot

Module Name:    src
Committed By:   jakllsch
Date:           Wed May 16 19:53:54 UTC 2018

Modified Files:
        src/sys/arch/i386/stand/efiboot: eficons.c

Log Message:
During awaitkey(), move the cursor back to the beginning of the
countdown with '\b' only after waiting.

Some UEFI implementations have a destructive/erasing backspace,
and will not show the countdown if we move the cursor back before the

My ThinkPad T430 w/ Lenovo's UEFI exhibited this whiteout-backspace,
while my Gigabyte Brix GB-BXBT-2807 did not.

Should fix PR #53292.

To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/sys/arch/i386/stand/efiboot/eficons.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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