diff options
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index f347312ecd74..c5fe30c78402 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1441,6 +1441,18 @@ config CPU_LOONGSON3_WORKAROUNDS If unsure, please say Y. +config CPU_LOONGSON3_CPUCFG_EMULATION + bool "Emulate the CPUCFG instruction on older Loongson cores" + default y + depends on CPU_LOONGSON64 + help + Loongson-3A R4 and newer have the CPUCFG instruction available for + userland to query CPU capabilities, much like CPUID on x86. This + option provides emulation of the instruction on older Loongson + cores, back to Loongson-3A1000. + + If unsure, please say Y. + config CPU_LOONGSON2E bool "Loongson 2E" depends on SYS_HAS_CPU_LOONGSON2E |