5 	select ARCH_32BIT_OFF_T if !64BIT
7 	select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
11 	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
20 	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
32 	select GENERIC_ATOMIC64 if !64BIT
60 	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
68 	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
92 	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
96 	select MODULES_USE_ELF_RELA if MODULES && 64BIT
368 	select CPU_DADDI_WORKAROUNDS if 64BIT
369 	select CPU_R4000_WORKAROUNDS if 64BIT
370 	select CPU_R4400_WORKAROUNDS if 64BIT
461 	bool "Loongson 32-bit family of machines"
466 	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
477 	bool "Loongson 64-bit family of machines"
513 	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
571 	select ZONE_DMA32 if 64BIT
581 	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
593 	bool "Nintendo 64 console"
849 	select ZONE_DMA32 if 64BIT
862 	select ZONE_DMA32 if 64BIT
884 	select ZONE_DMA32 if 64BIT
1014 	select ZONE_DMA32 if 64BIT
1041 	select ZONE_DMA32 if 64BIT
1366 	bool "Loongson 64-bit CPU"
1388 		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1465 	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1475 	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1487 	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1506 	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1552 	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1573 	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1587 	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1605 	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1709 	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1861 	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1961 	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
2156 	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2159 	depends on 64BIT
2175 	  actually benefits from 64-bit processing or if your machine has
2177 	  menu if your system does not support both 32-bit and 64-bit kernels.
2179 config 32BIT
2180 	bool "32-bit kernel"
2184 	  Select this option if you want to build a 32-bit kernel.
2186 config 64BIT  config in Kernel type""choice2d01d8010404
2187 	bool "64-bit kernel"
2190 	  Select this option if you want to build a 64-bit kernel.
2196 	depends on 64BIT
2250 	bool "64kB"
2253 	  Using 64kB page size will result in higher performance kernel at
2262 	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2264 	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2266 	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2268 	range 0 64
2536 	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2548 	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2550 	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2581 	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2616 	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2706 # - Highmem only makes sense for the 32-bit kernel.
2720 	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2824 	range 0x0 0x40000000 if EVA || 64BIT
2833 	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2834 	  EVA or 64-bit. The default is 16Mb.
2927 	default "64" if NR_CPUS_DEFAULT_64
2930 	  kernel will support.  The maximum supported value is 32 for 32-bit
2931 	  kernel and 64 for 64-bit kernels; the minimum value which makes
3077 	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
3078 	depends on 32BIT || MIPS32_O32
3080 	  When this is enabled, the kernel will support use of 64-bit floating
3083 	  32-bit MIPS systems this support is at the cost of increasing the
3086 	  will require 64-bit floating point, you may wish to reduce the size
3188 	default 3 if 64BIT && !PAGE_SIZE_64KB
3231 	default 12 if 64BIT
3235 	default 18 if 64BIT
3265 	depends on 64BIT
3272 	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3279 	depends on 64BIT
3286 	  64-bit binaries using 32-bit quantities for addressing and certain
3287 	  data that would normally be 64-bit.  They are used in special