:orphan:

.. title:: IDT_NUM_VECTORS

.. option:: CONFIG_IDT_NUM_VECTORS

*Number of IDT vectors*

Type: ``int``

Help
====

This option specifies the number of interrupt vector entries in the
Interrupt Descriptor Table (IDT). By default all 256 vectors are
supported in an IDT requiring 2048 bytes of memory.

Direct dependencies
===================

!\ :option:`X86_64 <CONFIG_X86_64>` && \ :option:`X86 <CONFIG_X86>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- 256

Kconfig definition
==================

.. highlight:: kconfig

At ``arch/x86/core/Kconfig.ia32:16``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:29`` → ``arch/Kconfig:12`` → ``arch/x86/Kconfig:319``

Menu path: (Top) → X86 Architecture Options → Memory Layout Options

.. parsed-literal::

    config IDT_NUM_VECTORS
    	int "Number of IDT vectors"
    	range 32 256
    	default 256
    	depends on !\ :option:`X86_64 <CONFIG_X86_64>` && \ :option:`X86 <CONFIG_X86>`
    	help
    	  This option specifies the number of interrupt vector entries in the
    	  Interrupt Descriptor Table (IDT). By default all 256 vectors are
    	  supported in an IDT requiring 2048 bytes of memory.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*