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CONFIG_DEBUG_ICEDCC: Kernel low-level debugging via EmbeddedICE DCC channel

General informations

The Linux kernel configuration item CONFIG_DEBUG_ICEDCC has multiple definitions:

Kernel low-level debugging via EmbeddedICE DCC channel found in arch/arm/Kconfig.debug

The configuration item CONFIG_DEBUG_ICEDCC:

Help text

Say Y here if you want the debug print routines to direct their output to the EmbeddedICE macrocell's DCC channel using co-processor 14. This is known to work on the ARM9 style ICE channel and on the XScale with the PEEDI.

Note that the system will appear to hang during boot if there is nothing connected to read from the DCC.

Kernel low-level debugging via EmbeddedICE DCC channel found in arch/arm/Kconfig

The configuration item CONFIG_DEBUG_ICEDCC:

Help text

Say Y here if you want the debug print routines to direct their output to the EmbeddedICE macrocell's DCC channel using co-processor 14. This is known to work on the ARM9 style ICE channel.

It does include a timeout to ensure that the system does not totally freeze when there is nothing connected to read.

Hardware

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