Change in coreboot[master]: HACK: Enable color in console

[Raul Rangel (Code Review)]

Raul Rangel has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/61575 )

Change subject: HACK: Enable color in console
......................................................................

HACK: Enable color in console

Signed-off-by: Raul E Rangel 
Change-Id: Ic6639bf5202525b5fb32e57b9120450a33afed2b
---
M src/console/printk.c
1 file changed, 21 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/75/61575/1

diff --git a/src/console/printk.c b/src/console/printk.c
index 1ed39cb..73c776e 100644
--- a/src/console/printk.c
+++ b/src/console/printk.c
@@ -68,10 +68,18 @@
 {
    __cbmemc_tx_byte(byte);
 }
+static void print_color(int msg_level, ...)
+{
+	va_list args;
+
+	va_start(args, msg_level);
+	vtxprintf(wrap_putchar, "%s", args, NULL);
+	va_end(args);
+}

int vprintk(int msg_level, const char *fmt, va_list args)
 {
-	int i, log_this;
+	int i, log_this, color=0;

if (CONFIG(SQUELCH_EARLY_SMP) && ENV_ROMSTAGE_OR_BEFORE && !boot_cpu())
    	return 0;
@@ -87,7 +95,19 @@
    if (log_this == CONSOLE_LOG_FAST) {
    	i = vtxprintf(wrap_putchar_cbmemc, fmt, args, NULL);
    } else {
+		if (msg_level <= BIOS_ERR) {
+			print_color(msg_level, "\x1b[31;1m");
+			color = 1;
+		} else if (msg_level == BIOS_WARNING) {
+			print_color(msg_level,"\x1b[31;33m");
+			color = 1;
+		}
+
    	i = vtxprintf(wrap_putchar, fmt, args, NULL);
+
+		if (color)
+			print_color(msg_level, "\x1b[31;0m"); // Reset
+
    	console_tx_flush();
    }