CONFIG_PPC_FPU: Support for Floating Point Unit (FPU)

General informations

The Linux kernel configuration item CONFIG_PPC_FPU has multiple definitions:

Support for Floating Point Unit (FPU) found in arch/powerpc/platforms/Kconfig.cputype

The configuration item CONFIG_PPC_FPU:

• prompt: Support for Floating Point Unit (FPU)
• type: bool
• depends on: ( CONFIG_PPC_MPC832x ) && ( CONFIG_PPC64 )
• defined in arch/powerpc/platforms/Kconfig.cputype
• found in Linux kernels: 5.11–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

This must be enabled to support the Floating Point Unit Most 6xx have an FPU but e300c2 core (mpc832x) don't have an FPU, so when building an embedded kernel for that target you can disable FPU support.

If unsure say Y.

found in arch/powerpc/platforms/Kconfig.cputype

The configuration item CONFIG_PPC_FPU:

• prompt:
• type: bool
• depends on: CONFIG_PPC64
• defined in arch/powerpc/platforms/Kconfig.cputype
• found in Linux kernels: 2.6.23–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.10

Help text

(none)

found in arch/ppc/Kconfig

The configuration item CONFIG_PPC_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/ppc/Kconfig
• found in Linux kernels: 2.6.12–2.6.26

Help text

(none)

found in arch/powerpc/Kconfig

The configuration item CONFIG_PPC_FPU:

• prompt:
• type: bool
• depends on: CONFIG_PPC64
• defined in arch/powerpc/Kconfig
• found in Linux kernels: 2.6.15–2.6.22

Help text

(none)

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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