CONFIG_NIOS2_ALIGNMENT_TRAP: Catch alignment trap

General informations

The Linux kernel configuration item CONFIG_NIOS2_ALIGNMENT_TRAP:

• prompt: Catch alignment trap
• type: bool
• depends on: (none)
• defined in arch/nios2/Kconfig
• found in Linux kernels: 3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Nios II CPUs cannot fetch/store data which is not bus aligned, i.e., a 2 or 4 byte fetch must start at an address divisible by 2 or 4. Any non-aligned load/store instructions will be trapped and emulated in software if you say Y here, which has a performance impact.

Hardware

LKDDb

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• (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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