syslinux: Use SYSLINUX_TIMEOUT and SYSLINUX_PROMPT to configure syslinux

syslinux allows you to set TIMEOUT and PROMPT variables, when PROMPT is 0,
the "boot:" is not displayed uless one presses CTRL or SHIFT during startup.
TIMEOUT is in 1/10th of seconds, and a value of 0 for TIMEOUT will disable
the timeout mechanism.

In bitbake, recipes had set TIMEOUT (not SYSLINUX_TIMEOUT) incorrectly, other
patches fix this issues.  We are adding SYSLINUX_PROMPT to enable/disable the
"boot:" prompt in syslinux.

See http://www.syslinux.org/wiki/index.php/SYSLINUX for more details

(From OE-Core rev: be04e3b2e13c1a7e1cd5416771b72a80ec52b8ad)

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/meta/classes/syslinux.bbclass b/meta/classes/syslinux.bbclass
index 1569074b21..33a509d735 100644
--- a/meta/classes/syslinux.bbclass
+++ b/meta/classes/syslinux.bbclass
@@ -136,10 +136,6 @@ python build_syslinux_cfg () {
         except OSError:
                 raise bb.build.funcFailed('Unable to open %s' % (cfile))
 
-        # FIXME - the timeout should be settable
-        # And maybe the default too
-        # Definately the prompt
-
         cfgfile.write('# Automatically created by OE\n')
 
         opts = d.getVar('SYSLINUX_OPTS', 1)
@@ -158,7 +154,11 @@ python build_syslinux_cfg () {
         else:
                 cfgfile.write('TIMEOUT 50\n')
 
-        cfgfile.write('PROMPT 1\n')
+        prompt = d.getVar('SYSLINUX_PROMPT', 1)
+        if prompt:
+                cfgfile.write('PROMPT %s\n' % prompt)
+        else:
+                cfgfile.write('PROMPT 1\n')
 
         menu = d.getVar('AUTO_SYSLINUXMENU', 1)