CONFIG_32BIT: 32-bit kernel

General informations

The Linux kernel configuration item CONFIG_32BIT has multiple definitions:

32-bit kernel found in arch/mips/Kconfig

The configuration item CONFIG_32BIT:

• prompt: 32-bit kernel
• type: bool
• depends on: CONFIG_CPU_SUPPORTS_32BIT_KERNEL && CONFIG_SYS_SUPPORTS_32BIT_KERNEL
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.14–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD

Help text

Select this option if you want to build a 32-bit kernel.

found in arch/sh/mm/Kconfig

The configuration item CONFIG_32BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/sh/mm/Kconfig
• found in Linux kernels: 2.6.25–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD

Help text

(none)

found in arch/riscv/Kconfig

The configuration item CONFIG_32BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/riscv/Kconfig
• found in Linux kernels: 4.18–4.20, 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD

Help text

(none)

found in arch/powerpc/Kconfig

The configuration item CONFIG_32BIT:

• prompt:
• type: bool
• depends on: CONFIG_PPC32
• defined in arch/powerpc/Kconfig
• found in Linux kernels: 2.6.37–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD

Help text

(none)

found in arch/loongarch/Kconfig

The configuration item CONFIG_32BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/loongarch/Kconfig
• found in Linux kernels: 5.19, 6.0–6.11, 6.12-rc+HEAD

Help text

(none)

32-bit kernel found in arch/riscv/Kconfig

The configuration item CONFIG_32BIT:

• prompt: 32-bit kernel
• type: bool
• depends on: CONFIG_CPU_SUPPORTS_32BIT_KERNEL
• defined in arch/riscv/Kconfig
• found in Linux kernels: 4.15–4.17

Help text

Select this option to build a 32-bit kernel.

found in arch/score/Kconfig

The configuration item CONFIG_32BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/score/Kconfig
• found in Linux kernels: 2.6.32–2.6.39, 3.0–3.19, 4.0–4.16

Help text

(none)

found in arch/s390/Kconfig

The configuration item CONFIG_32BIT:

• prompt:
• type: bool
• depends on: ! CONFIG_64BIT
• defined in arch/s390/Kconfig
• found in Linux kernels: 2.6.19–2.6.39, 3.0–3.19, 4.0

Help text

(none)

Support 32-bit physical addressing through PMB found in arch/sh/mm/Kconfig

The configuration item CONFIG_32BIT:

• prompt: Support 32-bit physical addressing through PMB
• type: bool
• depends on: CONFIG_MMU && ( CONFIG_CPU_SUBTYPE_SH7780 || CONFIG_CPU_SUBTYPE_SH7785 )
• defined in arch/sh/mm/Kconfig
• found in Linux kernels: 2.6.16–2.6.24

Help text

If you say Y here, physical addressing will be extended to 32-bits through the SH-4A PMB. If this is not set, legacy 29-bit physical addressing will be used.

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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