diff options
Diffstat (limited to 'arch/nds32/Kconfig.cpu')
| -rw-r--r-- | arch/nds32/Kconfig.cpu | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/nds32/Kconfig.cpu b/arch/nds32/Kconfig.cpu index b8c8984d1456..bb06a1b7eef0 100644 --- a/arch/nds32/Kconfig.cpu +++ b/arch/nds32/Kconfig.cpu @@ -7,6 +7,27 @@ config CPU_LITTLE_ENDIAN bool "Little endian" default y +config FPU + bool "FPU support" + default n + help + If FPU ISA is used in user space, this configuration shall be Y to + enable required support in kerenl such as fpu context switch and + fpu exception handler. + + If no FPU ISA is used in user space, say N. + +config LAZY_FPU + bool "lazy FPU support" + depends on FPU + default y + help + Say Y here to enable the lazy FPU scheme. The lazy FPU scheme can + enhance system performance by reducing the context switch + frequency of the FPU register. + + For nomal case, say Y. + config HWZOL bool "hardware zero overhead loop support" depends on CPU_D10 || CPU_D15 |