From abe03d25e2890eec96df5b8e8372a9b5a1ffd1d0 Mon Sep 17 00:00:00 2001 From: Daisuke Nojiri Date: Fri, 31 Jul 2015 15:22:58 -0700 Subject: video: add video_printf 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 Original-Commit-Id: e0ac4cb4c0d43b40f5c8f8f5a90eac45b0263b77 Original-Reviewed-on: https://chromium-review.googlesource.com/290130 Original-Reviewed-by: Aaron Durbin Original-(cherry picked from commit 75ea2c025d629c8fabc0cb859c4e8ab8ba6ce6e3) Original-Change-Id: Ief6d1fc820330b54f37ad9260cf3119853460b70 Original-Signed-off-by: Daisuke Nojiri 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 --- payloads/libpayload/drivers/video/video.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'payloads/libpayload/drivers/video') diff --git a/payloads/libpayload/drivers/video/video.c b/payloads/libpayload/drivers/video/video.c index 834a121e19..f183517881 100644 --- a/payloads/libpayload/drivers/video/video.c +++ b/payloads/libpayload/drivers/video/video.c @@ -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; -- cgit v1.2.3