Discussion:
[edk2] No Output with 'Print'
Narinder Dhillon
2015-08-14 02:39:58 UTC
Permalink
Hi All,

I can see 'DEBUG' output on serial port but nothing shows with 'Print'.
'Print' uses system table ConOut and at least the console are getting
initialized without any errors but no output.

Any suggestions where to look ?

Thanx,
Narinder Dhillon
2015-08-14 04:34:14 UTC
Permalink
Figured it out. For posterity:

*.dsc.inc
------------
# 16550 UART Driver

PlatformHookLib|MdeModulePkg/Library/BasePlatformHookLibNull/BasePlatformHookLibNull.inf

SerialPortLib|ArmPlatformPkg/CubieTruckPkg/Library/SerialPortLib/BaseSerialPortLib16550.inf

SerialPortExtLib|EmbeddedPkg/Library/SerialPortExtLibNull/SerialPortExtLibNull.inf

*.dsc
-------
MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
EmbeddedPkg/SerialDxe/SerialDxe.inf

*.fdf
------
#
# Multiple Console IO support
#
INF MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
INF EmbeddedPkg/SerialDxe/SerialDxe.inf
Post by Narinder Dhillon
Hi All,
I can see 'DEBUG' output on serial port but nothing shows with 'Print'.
'Print' uses system table ConOut and at least the console are getting
initialized without any errors but no output.
Any suggestions where to look ?
Thanx,
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