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MIPS: Introduce CONFIG_MIPS_FP_SUPPORT
Introduce a Kconfig variable that will indicate whether to include support for floating point in the kernel. For now this is always enabled, and will be made configurable in a later patch. Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/21016/ Cc: linux-mips@linux-mips.org
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@ -2255,12 +2255,17 @@ config CPU_GENERIC_DUMP_TLB
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bool
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bool
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default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
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default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
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config MIPS_FP_SUPPORT
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def_bool y
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config CPU_R2300_FPU
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config CPU_R2300_FPU
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bool
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bool
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depends on MIPS_FP_SUPPORT
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default y if CPU_R3000 || CPU_TX39XX
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default y if CPU_R3000 || CPU_TX39XX
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config CPU_R4K_FPU
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config CPU_R4K_FPU
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bool
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bool
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depends on MIPS_FP_SUPPORT
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default y if !CPU_R2300_FPU
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default y if !CPU_R2300_FPU
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config CPU_R4K_CACHE_TLB
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config CPU_R4K_CACHE_TLB
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@ -2313,6 +2318,7 @@ config MIPS_MT_FPAFF
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config MIPSR2_TO_R6_EMULATOR
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config MIPSR2_TO_R6_EMULATOR
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bool "MIPS R2-to-R6 emulator"
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bool "MIPS R2-to-R6 emulator"
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depends on CPU_MIPSR6
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depends on CPU_MIPSR6
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depends on MIPS_FP_SUPPORT
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default y
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default y
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help
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help
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Choose this option if you want to run non-R6 MIPS userland code.
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Choose this option if you want to run non-R6 MIPS userland code.
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@ -2460,6 +2466,7 @@ endchoice
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config CPU_HAS_MSA
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config CPU_HAS_MSA
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bool "Support for the MIPS SIMD Architecture"
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bool "Support for the MIPS SIMD Architecture"
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depends on CPU_SUPPORTS_MSA
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depends on CPU_SUPPORTS_MSA
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depends on MIPS_FP_SUPPORT
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depends on 64BIT || MIPS_O32_FP64_SUPPORT
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depends on 64BIT || MIPS_O32_FP64_SUPPORT
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help
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help
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MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
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MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
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@ -18,6 +18,7 @@ if VIRTUALIZATION
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config KVM
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config KVM
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tristate "Kernel-based Virtual Machine (KVM) support"
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tristate "Kernel-based Virtual Machine (KVM) support"
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depends on HAVE_KVM
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depends on HAVE_KVM
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depends on MIPS_FP_SUPPORT
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select EXPORT_UASM
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select EXPORT_UASM
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select PREEMPT_NOTIFIERS
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select PREEMPT_NOTIFIERS
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select ANON_INODES
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select ANON_INODES
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