Help¶

Size in bytes of a CPU d-cache line. If this is set to 0 the value is obtained from the ‘d-cache-line-size’ DT property instead if present.

Detect automatically at runtime by selecting DCACHE_LINE_SIZE_DETECT.

Direct dependencies¶

ARC || (!X86_64 && X86) || CACHE_MANAGEMENT

(Includes any dependencies from ifs and menus.)

Defaults¶

32
64 if CPU_ATOM
0

Kconfig definitions¶

At arch/arc/Kconfig:285

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

Menu path: (Top) → ARC Options → ARCv2 Family Options

config DCACHE_LINE_SIZE
    int
    default 32
    depends on ARC

At arch/x86/core/Kconfig.ia32:153

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

Menu path: (Top) → X86 Architecture Options → Processor Capabilities

config DCACHE_LINE_SIZE
    int
    default 64 if CPU_ATOM
    depends on !X86_64 && X86

At arch/Kconfig:805

Included via Kconfig:8 → Kconfig.zephyr:29

Menu path: (Top) → Cache Options → Enable cache management features

config DCACHE_LINE_SIZE
    int "d-cache line size" if !DCACHE_LINE_SIZE_DETECT
    default 0
    depends on CACHE_MANAGEMENT
    help
      Size in bytes of a CPU d-cache line. If this is set to 0 the value is
      obtained from the 'd-cache-line-size' DT property instead if present.


      Detect automatically at runtime by selecting DCACHE_LINE_SIZE_DETECT.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)