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Unverified Commit c92e47e5 authored by Paul Burton's avatar Paul Burton
Browse files

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: default avatarPaul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21016/
Cc: linux-mips@linux-mips.org
parent 97f7dcbf

arch/mips/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -2255,12 +2255,17 @@ config CPU_GENERIC_DUMP_TLB 
	bool

	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)



config MIPS_FP_SUPPORT

	def_bool y



config CPU_R2300_FPU

	bool

	depends on MIPS_FP_SUPPORT

	default y if CPU_R3000 || CPU_TX39XX



config CPU_R4K_FPU

	bool

	depends on MIPS_FP_SUPPORT

	default y if !CPU_R2300_FPU



config CPU_R4K_CACHE_TLB
@@ -2313,6 +2318,7 @@ 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.
@@ -2460,6 +2466,7 @@ 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

arch/mips/kvm/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ if VIRTUALIZATION 
config KVM

	tristate "Kernel-based Virtual Machine (KVM) support"

	depends on HAVE_KVM

	depends on MIPS_FP_SUPPORT

	select EXPORT_UASM

	select PREEMPT_NOTIFIERS

	select ANON_INODES