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misc: Add an option to enable early console 

Unset by default. When set, this options will enable early printk
through the console. Such option is only meant to be used for debugging
purposes.

Change-Id: I6690f94b0922826bd2666ef0488dcabe2f131531
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2015-08-31 12:45:13 +03:00 committed by Anas Nashif
parent cb1774c548
commit f55392770e
1 changed files with 10 additions and 0 deletions
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misc/Kconfig
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@ -134,6 +134,16 @@ config STDOUT_CONSOLE
This option directs standard output (e.g. printf) to the console
device, rather than suppressing it entirely.
config EARLY_CONSOLE
bool
prompt "Send stdout at the earliest stage possible"
default n
help
This option will enable stdout as early as possible, for debugging
purpose. For instance, in case of STDOUT_CONSOLE being set it will
initialize its driver earlier than normal, in order to get the stdout
sent through the console at the earliest stage possible.
config ASSERT
bool
prompt "Enable __ASSERT() macro"