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| author | Paul Burton <paul.burton@mips.com> | 2018-11-08 02:14:02 +0300 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2018-11-09 21:23:15 +0300 |
| commit | c92e47e585a92cdd42147bf1d0675a4ab1c928ce (patch) | |
| tree | 3bb29c33da7ba97357a22c989f0daf31bd6ddb89 | |
| parent | 97f7dcbf279ada9a25f36666420a72ebbc0101df (diff) | |
| download | linux-c92e47e585a92cdd42147bf1d0675a4ab1c928ce.tar.xz | |
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
| -rw-r--r-- | arch/mips/Kconfig | 7 | ||||
| -rw-r--r-- | arch/mips/kvm/Kconfig | 1 |
2 files changed, 8 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 diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig index 76b93a9c8c9b..760aec70dce5 100644 --- a/arch/mips/kvm/Kconfig +++ b/arch/mips/kvm/Kconfig @@ -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 |