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Add support for the tracing infastructure in coreboot.

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The compiler is forced to emmit special functions on every
entry/exit of the function. Add a compile time option
to support it. Function entries will be printed in
the console. The CONFIG_TRACE has more documentation.

Patch for userspace tools will follow.

Change-Id: I2cbeb3f104892b034c8756f86ed05bf71187c3f3
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Reviewed-on: http://review.coreboot.org/178
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Rudolf Marek
2011-09-02 23:23:41 +02:00
committed by Stefan Reinauer
parent f73535c089
commit 7f0e93060e
8 changed files with 117 additions and 0 deletions
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4
Makefile.inc
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@@ -51,6 +51,10 @@ classes-y := ramstage romstage driver smm
romstage-c-ccopts:=-D__PRE_RAM__
romstage-S-ccopts:=-D__PRE_RAM__
ifeq ($(CONFIG_TRACE),y)
ramstage-c-ccopts:= -finstrument-functions
endif
smm-c-ccopts:=-D__SMM__
smm-S-ccopts:=-D__SMM__