[make-initrd] [PATCH v6 22/22] bootchain-core: adds ability for log to the early console

[Leonid Krivoshein]

To use this feature, you can use, for example, the following set of parameters:
rdlog=printk bc_debug ignore_loglevel earlycon=uart8250,0x03F8 console=ttyS0

Signed-off-by: Leonid Krivoshein <klark.devel at gmail.com>
---
 features/bootchain-core/data/sbin/chaind | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/features/bootchain-core/data/sbin/chaind b/features/bootchain-core/data/sbin/chaind
index 68a1aae..c1cf765 100755
--- a/features/bootchain-core/data/sbin/chaind
+++ b/features/bootchain-core/data/sbin/chaind
@@ -35,6 +35,10 @@ if [ "x${1-}" != "x--foreground" ]; then
 
 	if [ "${RDLOG-}" = console ]; then
 		BC_LOGFILE=/dev/console
+	elif [ "${RDLOG-}" = printk ]; then
+		BC_LOGFILE=/dev/ttyprintk
+		[ -e "$BC_LOGFILE" ] ||
+			mknod "$BC_LOGFILE" c 5 3
 	elif [ -z "${CONSOLE-}" ] &&
 		[ -n "$BC_LOG_VT" ] &&
 		[ -z "${NOASKUSER-}" ] &&
-- 
2.24.1