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authorMarkus Klotzbuecher <mk@denx.de>2008-08-04 19:18:14 +0200
committerMarkus Klotzbuecher <mk@denx.de>2008-08-04 19:18:14 +0200
commit0f2b5d8ec0969a5b0992f5031bf3c61117a41d59 (patch)
treefc05bf5db93e5a9c1712d24a5efdff94685063c2 /doc/README.autoboot
parentab06bddb04ed4be50a8f9ad5f94fa23953a734e3 (diff)
parent81091f58f0c58ecd26c5b05de2ae20ca6cdb521c (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot
Diffstat (limited to 'doc/README.autoboot')
-rw-r--r--doc/README.autoboot15
1 files changed, 11 insertions, 4 deletions
diff --git a/doc/README.autoboot b/doc/README.autoboot
index e4c4186..2042fe5 100644
--- a/doc/README.autoboot
+++ b/doc/README.autoboot
@@ -114,10 +114,17 @@ What they do
CONFIG_AUTOBOOT_PROMPT is displayed before the boot delay
selected by CONFIG_BOOTDELAY starts. If it is not defined
there is no output indicating that autoboot is in progress.
- If "%d" is included, it is replaced by the number of seconds
- remaining before autoboot will start, but it does not count
- down the seconds. "autoboot in %d seconds\n" is a reasonable
- prompt.
+
+ Note that CONFIG_AUTOBOOT_PROMPT is used as the (only)
+ argument to a printf() call, so it may contain '%' format
+ specifications, provided that it also includes, sepearated by
+ commas exactly like in a printf statement, the required
+ arguments. It is the responsibility of the user to select only
+ such arguments that are valid in the given context. A
+ reasonable prompt could be defined as
+
+ #define CONFIG_AUTOBOOT_PROMPT \
+ "autoboot in %d seconds\n",bootdelay
If CONFIG_AUTOBOOT_DELAY_STR or "bootdelaykey" is specified
and this string is received from console input before