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#
# Coresight configuration
#
menuconfig CORESIGHT
bool "CoreSight Tracing Support"
select ARM_AMBA
help
This framework provides a kernel interface for the CoreSight debug
and trace drivers to register themselves with. It's intended to build
a topological view of the CoreSight components based on a DT
specification and configure the right serie of components when a
trace source gets enabled.
if CORESIGHT
config CORESIGHT_LINKS_AND_SINKS
bool "CoreSight Link and Sink drivers"
help
This enables support for CoreSight link and sink drivers that are
responsible for transporting and collecting the trace data
respectively. Link and sinks are dynamically aggregated with a trace
entity at run time to form a complete trace path.
config CORESIGHT_LINK_AND_SINK_TMC
bool "Coresight generic TMC driver"
depends on CORESIGHT_LINKS_AND_SINKS
help
This enables support for the Trace Memory Controller driver.
Depending on its configuration the device can act as a link (embedded
trace router - ETR) or sink (embedded trace FIFO). The driver
complies with the generic implementation of the component without
special enhancement or added features.
config CORESIGHT_SINK_TPIU
bool "Coresight generic TPIU driver"
depends on CORESIGHT_LINKS_AND_SINKS
help
This enables support for the Trace Port Interface Unit driver,
responsible for bridging the gap between the on-chip coresight
components and a trace for bridging the gap between the on-chip
coresight components and a trace port collection engine, typically
connected to an external host for use case capturing more traces than
the on-board coresight memory can handle.
config CORESIGHT_SINK_ETBV10
bool "Coresight ETBv1.0 driver"
depends on CORESIGHT_LINKS_AND_SINKS
help
This enables support for the Embedded Trace Buffer version 1.0 driver
that complies with the generic implementation of the component without
special enhancement or added features.
config CORESIGHT_SOURCE_ETM3X
bool "CoreSight Embedded Trace Macrocell 3.x driver"
depends on !ARM64
select CORESIGHT_LINKS_AND_SINKS
help
This driver provides support for processor ETM3.x and PTM1.x modules,
which allows tracing the instructions that a processor is executing
This is primarily useful for instruction level tracing. Depending
the ETM version data tracing may also be available.
endif
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