CONFIG_BFIN_SCRATCH_REG_RETN: RETN

General informations

The Linux kernel configuration item CONFIG_BFIN_SCRATCH_REG_RETN:

• prompt: RETN
• type: bool
• depends on: (none)
• defined in arch/blackfin/Kconfig
• found in Linux kernels: 2.6.24–2.6.39, 3.0–3.19, 4.0–4.16

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".

Hardware

LKDDb

Raw data from LKDDb:

• (none)

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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