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CONFIG_IA32_LEGACY_IO_PORTS¶

Support IA32 legacy IO ports

Type: bool

Help¶

This option enables IA32 legacy IO ports. Note these are much slower than memory access, so they should be used in last resort.

Direct dependencies¶

ISA_IA32 && X86

(Includes any dependencies from if’s and menus.)

Defaults¶

No defaults. Implicitly defaults to n.

Kconfig definition¶

At arch/x86/Kconfig:234

Included via Kconfig:10 → Kconfig.zephyr:29 → arch/Kconfig:15

Menu path: (top menu) → X86 Architecture Options → Processor Capabilities

config IA32_LEGACY_IO_PORTS
    bool
    prompt "Support IA32 legacy IO ports" if ISA_IA32 && X86
    depends on ISA_IA32 && X86
    help
      This option enables IA32 legacy IO ports. Note these are much slower
      than memory access, so they should be used in last resort.

(Definitions include propagated dependencies, including from if’s and menus.)