diff options
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 66 |
1 files changed, 52 insertions, 14 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 8272ea4c7264..63183a8454d6 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2,11 +2,12 @@ config MIPS bool default y - select ARCH_BINFMT_ELF_STATE + select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT select ARCH_CLOCKSOURCE_DATA select ARCH_DISCARD_MEMBLOCK select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST + select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_SUPPORTS_UPROBES select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if 64BIT @@ -15,8 +16,8 @@ config MIPS select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS + select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) select CPU_PM if CPU_IDLE - select DMA_DIRECT_OPS select GENERIC_ATOMIC64 if !64BIT select GENERIC_CLOCKEVENTS select GENERIC_CMOS_UPDATE @@ -56,10 +57,12 @@ config MIPS select HAVE_FUNCTION_TRACER select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE + select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_IRQ_TIME_ACCOUNTING select HAVE_KPROBES select HAVE_KRETPROBES + select HAVE_LD_DEAD_CODE_DATA_ELIMINATION select HAVE_MEMBLOCK_NODE_MAP select HAVE_MOD_ARCH_SPECIFIC select HAVE_NMI @@ -494,22 +497,23 @@ config MIPS_MALTA select BOOT_RAW select BUILTIN_DTB select CEVT_R4K - select CSRC_R4K select CLKSRC_MIPS_GIC select COMMON_CLK + select CSRC_R4K select DMA_MAYBE_COHERENT select GENERIC_ISA_DMA select HAVE_PCSPKR_PLATFORM - select IRQ_MIPS_CPU - select MIPS_GIC select HW_HAS_PCI select I8253 select I8259 + select IRQ_MIPS_CPU + select LIBFDT select MIPS_BONITO64 select MIPS_CPU_SCACHE + select MIPS_GIC select MIPS_L1_CACHE_SHIFT_6 - select PCI_GT64XXX_PCI0 select MIPS_MSC + select PCI_GT64XXX_PCI0 select SMP_UP if SMP select SWAP_IO_SPACE select SYS_HAS_CPU_MIPS32_R1 @@ -528,19 +532,16 @@ config MIPS_MALTA select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MICROMIPS + select SYS_SUPPORTS_MIPS16 select SYS_SUPPORTS_MIPS_CMP select SYS_SUPPORTS_MIPS_CPS - select SYS_SUPPORTS_MIPS16 select SYS_SUPPORTS_MULTITHREADING + select SYS_SUPPORTS_RELOCATABLE select SYS_SUPPORTS_SMARTMIPS select SYS_SUPPORTS_VPE_LOADER select SYS_SUPPORTS_ZBOOT - select SYS_SUPPORTS_RELOCATABLE select USE_OF - select LIBFDT select ZONE_DMA32 if 64BIT - select BUILTIN_DTB - select LIBFDT help This enables support for the MIPS Technologies Malta evaluation board. @@ -794,6 +795,7 @@ config SIBYTE_SWARM select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN select ZONE_DMA32 if 64BIT + select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI config SIBYTE_LITTLESUR bool "Sibyte BCM91250C2-LittleSur" @@ -805,6 +807,7 @@ config SIBYTE_LITTLESUR select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN + select ZONE_DMA32 if 64BIT config SIBYTE_SENTOSA bool "Sibyte BCM91250E-Sentosa" @@ -814,6 +817,7 @@ config SIBYTE_SENTOSA select SYS_HAS_CPU_SB1 select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN + select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI config SIBYTE_BIGSUR bool "Sibyte BCM91480B-BigSur" @@ -826,6 +830,7 @@ config SIBYTE_BIGSUR select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN select ZONE_DMA32 if 64BIT + select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI config SNI_RM bool "SNI RM200/300/400" @@ -2032,7 +2037,7 @@ config CPU_MIPS64 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 # -# These two indicate the revision of the architecture, either Release 1 or Release 2 +# These indicate the revision of the architecture # config CPU_MIPSR1 bool @@ -2053,6 +2058,16 @@ config CPU_MIPSR6 select MIPS_CRC_SUPPORT select MIPS_SPRAM +config TARGET_ISA_REV + int + default 1 if CPU_MIPSR1 + default 2 if CPU_MIPSR2 + default 6 if CPU_MIPSR6 + default 0 + help + Reflects the ISA revision being targeted by the kernel build. This + is effectively the Kconfig equivalent of MIPS_ISA_REV. + config EVA bool @@ -2254,9 +2269,30 @@ config CPU_GENERIC_DUMP_TLB bool default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) +config MIPS_FP_SUPPORT + bool "Floating Point support" if EXPERT + default y + help + Select y to include support for floating point in the kernel + including initialization of FPU hardware, FP context save & restore + and emulation of an FPU where necessary. Without this support any + userland program attempting to use floating point instructions will + receive a SIGILL. + + If you know that your userland will not attempt to use floating point + instructions then you can say n here to shrink the kernel a little. + + If unsure, say y. + +config CPU_R2300_FPU + bool + depends on MIPS_FP_SUPPORT + default y if CPU_R3000 || CPU_TX39XX + config CPU_R4K_FPU bool - default y if !(CPU_R3000 || CPU_TX39XX) + depends on MIPS_FP_SUPPORT + default y if !CPU_R2300_FPU config CPU_R4K_CACHE_TLB bool @@ -2308,6 +2344,7 @@ config MIPS_MT_FPAFF config MIPSR2_TO_R6_EMULATOR bool "MIPS R2-to-R6 emulator" depends on CPU_MIPSR6 + depends on MIPS_FP_SUPPORT default y help Choose this option if you want to run non-R6 MIPS userland code. @@ -2455,6 +2492,7 @@ endchoice config CPU_HAS_MSA bool "Support for the MIPS SIMD Architecture" depends on CPU_SUPPORTS_MSA + depends on MIPS_FP_SUPPORT depends on 64BIT || MIPS_O32_FP64_SUPPORT help MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers @@ -2902,7 +2940,7 @@ config SECCOMP If unsure, say Y. Only embedded should say N here. config MIPS_O32_FP64_SUPPORT - bool "Support for O32 binaries using 64-bit FP" + bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 depends on 32BIT || MIPS32_O32 help When this is enabled, the kernel will support use of 64-bit floating |