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[libpayload] Work around sign-extending issue 

Somewhere characters are getting sign-extended, meaning that the
attributes of the drawing chars (>= 128) are wrong. Cast the value
before sending it to VGA.

Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3195 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jordan Crouse 2008-03-29 16:13:22 +00:00 committed by Uwe Hermann
parent 42cccdf03b
commit 0e122af465
1 changed files with 7 additions and 1 deletions
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8
payloads/libpayload/curses/tinycurses.c
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@ -580,7 +580,13 @@ int wnoutrefresh(WINDOW *win)
c |= tmp << 12; c |= tmp << 12;
} }
c |= win->_line[y].text[x].chars[0]; /*
* FIXME: Somewhere along the line, the
* character value is getting sign-extented.
* For now grab just the 8 bit character,
* but this will break wide characters!
*/
c |= (chtype) (win->_line[y].text[x].chars[0] & 0xff);
vga_putc(y, x, c); vga_putc(y, x, c);
} }
} }