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cmd_log: Add support for console logging
* Support pre-relocation console logging - Create a buffer in RAM that is accessible to early u-boot. - Copy the early buffer after the actual log buffer has been initialized. - Initialize the early logging feature before first console message * Suppress logging while a "log show" is executed to prevent memory corruption and/or infinite recursion. * Refactor some of logbuff_printk_v3() so that it can be used by the early logbuff copy as well. JIRA: FBT-404 Signed-off-by: Wade Farnsworth <wade_farnsworth@mentor.com> Signed-off-by: Sean Hudson <sean_hudson@mentor.com> Acked-by: Joe MacDonald <joe_macdonald@mentor.com>
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Wade Farnsworth
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Sean Hudson
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Nov 18, 2015
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