sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

video: add video_printf

Browse Source 
video_printf prints strings on the screen with specified foreground and
background color.

BUG=none
BRANCH=smaug
TEST=verified messages printed on Smaug

Change-Id: I619625f7d4c5bc19cd9de64a0ba07899cf9ba289
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Original-Commit-Id: e0ac4cb4c0d43b40f5c8f8f5a90eac45b0263b77
Original-Reviewed-on: https://chromium-review.googlesource.com/290130
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-(cherry picked from commit 75ea2c025d629c8fabc0cb859c4e8ab8ba6ce6e3)
Original-Change-Id: Ief6d1fc820330b54f37ad9260cf3119853460b70
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/290373
Reviewed-on: http://review.coreboot.org/11407
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Daisuke Nojiri
2015-07-31 15:22:58 -07:00
committed by Patrick Georgi
parent 4bd65e1c0c
commit abe03d25e2
2 changed files with 26 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
payloads/libpayload/drivers/video/video.c
View File

@ -162,6 +162,27 @@ void video_console_putchar(unsigned int ch)
video_console_fixup_cursor();
}
void video_printf(int foreground, int background, const char *fmt, ...)
{
int i = 0, len;
char str[200];
va_list ap;
va_start(ap, fmt);
len = vsnprintf(str, ARRAY_SIZE(str), fmt, ap);
va_end(ap);
if (len <= 0)
return;
foreground &= 0xf;
foreground <<= 8;
background &= 0xf;
background <<= 12;
while (str[i])
video_console_putchar(str[i++] | foreground | background);
}
void video_console_get_cursor(unsigned int *x, unsigned int *y, unsigned int *en)
{
*x=0;

5
payloads/libpayload/include/libpayload.h
View File

@ -206,6 +206,11 @@ void video_console_clear(void);
void video_console_cursor_enable(int state);
void video_console_get_cursor(unsigned int *x, unsigned int *y, unsigned int *en);
void video_console_set_cursor(unsigned int cursorx, unsigned int cursory);
/*
* print characters on video console with colors. note that there is a size
* restriction for the internal buffer. so, output string can be truncated.
*/
void video_printf(int foreground, int background, const char *fmt, ...);
/** @} */
/**