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authorPaul Burton <paul.burton@mips.com>2018-11-07 23:14:02 +0000
committerPaul Burton <paul.burton@mips.com>2018-11-09 10:23:15 -0800
commitc92e47e585a92cdd42147bf1d0675a4ab1c928ce (patch)
tree3bb29c33da7ba97357a22c989f0daf31bd6ddb89 /arch/mips/Kconfig
parentMIPS: Better abstract R2300 FPU usage in Kconfig (diff)
downloadlinux-dev-c92e47e585a92cdd42147bf1d0675a4ab1c928ce.tar.xz
linux-dev-c92e47e585a92cdd42147bf1d0675a4ab1c928ce.zip
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
Diffstat (limited to '')
-rw-r--r--arch/mips/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index b3f36c2c759d..5ea3dc4770ed 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -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