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authorUlf Jordan <jordan@chalmers.se>2008-09-03 19:59:44 +0000
committerJordan Crouse <jordan.crouse@amd.com>2008-09-03 19:59:44 +0000
commitd57a68063234f56bcf7c315e9a5c16bd069e626f (patch)
treeef350feaeb0c5681ab0d8a95ab4bc94dba39feff /payloads/libpayload/drivers/serial.c
parentd21f68bbd588f46c23066eb8d227b51e4823de41 (diff)
downloadcoreboot-d57a68063234f56bcf7c315e9a5c16bd069e626f.tar.xz
Add support for curses color output over serial.
Note that the sequence \e[m for turning off bold resets all attributes, including color. Signed-off-by: Ulf Jordan <jordan@chalmers.se> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3561 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads/libpayload/drivers/serial.c')
-rw-r--r--payloads/libpayload/drivers/serial.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/serial.c b/payloads/libpayload/drivers/serial.c
index 6e46e06581..8d7273c3a5 100644
--- a/payloads/libpayload/drivers/serial.c
+++ b/payloads/libpayload/drivers/serial.c
@@ -110,6 +110,8 @@ int serial_getchar(void)
enacs=\E(B\E)0, smacs=^N, rmacs=^O. */
#define VT100_SMACS "\e(0"
#define VT100_RMACS "\e(B"
+/* A vt100 doesn't do color, setaf/setab below are from xterm-color. */
+#define VT100_SET_COLOR "\e[3%d;4%dm"
static void serial_putcmd(char *str)
{
@@ -142,6 +144,19 @@ void serial_end_altcharset(void)
serial_putcmd(VT100_RMACS);
}
+/**
+ * Set the foreground and background colors on the serial console.
+ *
+ * @param fg Foreground color number.
+ * @param bg Background color number.
+ */
+void serial_set_color(short fg, short bg)
+{
+ char buffer[32];
+ snprintf(buffer, sizeof(buffer), VT100_SET_COLOR, fg, bg);
+ serial_putcmd(buffer);
+}
+
void serial_set_cursor(int y, int x)
{
char buffer[32];