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General informations

The Linux kernel configuration item CONFIG_BFIN_SCRATCH_REG_RETN:

Help text

Use the RETN register in the Blackfin exception handler as a stack scratch register. This means you cannot safely use NMI on the Blackfin while running Linux, but you can debug the system with a JTAG ICE and use the CYCLES performance registers.

If you are unsure, please select "RETN".



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Navigation: Linux Kernel Driver DataBase - web LKDDB: main index - B index

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