Improve --exiton doc

[novaboot.git] / README.md

diff --git a/README.md b/README.md
index 24421af689d8bc40260ae6a72b48d825bac48a9e..904c8d6d17a940e315166baf5b55b1a5daa65239 100644 (file)
--- a/README.md
+++ b/README.md
@@ -466,13 +466,18 @@ interactive work with the target.
 - --exiton=_string_
 
     When _string_ is sent by the target, novaboot exits. This option can
-    be specified multiple times.
+    be specified multiple times, in which case novaboot exits whenever
+    either of the specified strings is sent.
 
     If _string_ is `-re`, then the next **--exiton**'s _string_ is
     treated as regular expression. For example:
 
         --exiton -re --exiton 'error:.*failed'
 
+- --exiton-re=_regex_
+
+    The same as --exiton -re --exiton _regex_.
+
 - -i, --interactive
 
     Setup things for interactive use of target. Your terminal will be
@@ -552,7 +557,11 @@ appear in the novaboot script.
 Lines starting with `uboot` represent U-Boot commands that are sent
 to the target if **--uboot** option is given. Having a U-Boot line in
 the novaboot script is the same as passing an equivalent
-**--uboot-init** option to novaboot.
+**--uboot-init** option to novaboot. The `uboot` keyword can be
+suffixed with timeout specification. The syntax is `uboot:Ns`, where
+`N` is the whole number of seconds. If the U-Boot command prompt does
+not appear before the timeout, novaboot fails. The default timeout is
+10 seconds.
 
 Example (Linux):