diff options
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 624c31cd807..c8d954d6f2c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -894,6 +894,16 @@ choice prompt "CPU type" default CPU_R4X00 +config CPU_LOONGSON2 + bool "Loongson 2" + depends on SYS_HAS_CPU_LOONGSON2 + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_64BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + help + The Loongson 2E processor implements the MIPS III instruction set + with many extensions. + config CPU_MIPS32_R1 bool "MIPS32 Release 1" depends on SYS_HAS_CPU_MIPS32_R1 @@ -1104,6 +1114,9 @@ config CPU_SB1 endchoice +config SYS_HAS_CPU_LOONGSON2 + bool + config SYS_HAS_CPU_MIPS32_R1 bool @@ -1438,6 +1451,15 @@ config CPU_HAS_SMARTMIPS config CPU_HAS_WB bool +config 64BIT_CONTEXT + bool "Save 64bit integer registers" + depends on 32BIT && CPU_LOONGSON2 + help + Loongson2 CPU is 64bit , when used in 32BIT mode, its integer + registers can still be accessed as 64bit, mainly for multimedia + instructions. We must have all 64bit save/restored to make sure + those instructions to get correct result. + # # Vectored interrupt mode is an R2 feature # |