CONFIG_64BIT_CONTEXT: Save 64bit integer registers

General informations

The Linux kernel configuration item CONFIG_64BIT_CONTEXT:

• prompt: Save 64bit integer registers
• type: bool
• depends on: CONFIG_32BIT && CONFIG_CPU_LOONGSON2
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.23–2.6.24

Help text

Loongson2 CPU is 64bit , when used in 32BIT mode, its integer registers can still be accessed as 64bit, mainly for multimedia instructions. We must have all 64bit save/restored to make sure those instructions to get correct result.

Hardware

LKDDb

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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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