23 	select ARCH_HAS_KERNEL_FPU_SUPPORT if 64BIT && CPU_HAS_FPU
27 	select ARCH_HAS_PTE_SPECIAL if 64BIT
65 	select ARCH_SUPPORTS_HUGETLBFS if 64BIT
83 	select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP if 64BIT
91 	select GENERIC_ATOMIC64 if 32BIT
98 	select GENERIC_GETTIMEOFDAY if 64BIT
116 	select HAVE_ALIGNED_STRUCT_PAGE if 64BIT
118 	select HAVE_ARCH_BITREVERSE if 64BIT
121 	select HAVE_ARCH_KASAN if 64BIT
122 	select HAVE_ARCH_KFENCE if 64BIT
130 	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT
131 	select HAVE_ARCH_USERFAULTFD_MINOR if 64BIT && USERFAULTFD
145 	select HAVE_EBPF_JIT if 64BIT
168 	select HAVE_OBJTOOL if AS_HAS_EXPLICIT_RELOCS && AS_HAS_THIN_ADD_SUB && 64BIT
170 	select HAVE_PERF_EVENTS if 64BIT
212 	select SWIOTLB if 64BIT
217 	select ZONE_DMA32 if 64BIT
223 	default 64BIT # Keep existing behavior
225 config 32BIT
226 	bool "32-bit kernel"
228 	  Select this option if you want to build a 32-bit kernel.
230 config 64BIT  config in Kernel type and options""choicec75677b00104
231 	bool "64-bit kernel"
233 	  Select this option if you want to build a 64-bit kernel.
237 if 32BIT
240 	prompt "32-bit kernel sub-type"
243 	bool "32-bit kernel for LA32R"
245 	  Select this option if you want to build a 32-bit kernel for
249 	bool "32-bit kernel for LA32S"
251 	  Select this option if you want to build a 32-bit kernel for
291 	def_bool 32BIT
294 	def_bool 64BIT
353 	depends on 32BIT
358 	default 16KB_2LEVEL if 32BIT
359 	default 16KB_3LEVEL if 64BIT
375 	depends on 64BIT
384 	depends on 64BIT
401 	depends on 64BIT
408 config 64KB_2LEVEL
409 	bool "64KB with 2 levels"
413 	  This option selects 64KB page size with 2 level page tables, which
416 config 64KB_3LEVEL
417 	bool "64KB with 3 levels"
418 	depends on 64BIT
422 	  This option selects 64KB page size with 3 level page tables, which
516 	depends on 64BIT
555 	depends on 64BIT
621 	  on your hardware, please read the bit 20 (UAL) of CPUCFG1 register.
630 	default 64BIT
638 	depends on AS_HAS_LSX_EXTENSION && 64BIT
640 	  Loongson SIMD Extension (LSX) introduces 128 bit wide vector registers
653 	depends on AS_HAS_LASX_EXTENSION && 64BIT
655 	  Loongson Advanced SIMD Extension (LASX) introduces 256 bit wide vector
667 	depends on AS_HAS_LBT_EXTENSION && 64BIT
685 	def_bool 64BIT
688 	def_bool 64BIT
695 	def_bool 64BIT
698 	def_bool 64BIT
701 	def_bool 64BIT
710 	depends on 64BIT
747 	depends on AS_HAS_LVZ_EXTENSION && 64BIT
776 	def_bool 64BIT
793 	default 10 if 32BIT
794 	default 12 if 64BIT
797 	default 15 if 32BIT
798 	default 20 if 64BIT