diff options
| author | Maciej W. Rozycki | 2015-11-13 00:46:55 +0000 |
|---|---|---|
| committer | Ralf Baechle | 2016-01-20 00:39:20 +0100 |
| commit | 9519ef37a4a4e9c3c2d7d89ecbecfaf3c839208a (patch) | |
| tree | 4d893cecfb1251a2e4e6496cc119319c20e8456d /arch/mips/kernel/cpu-probe.c | |
| parent | 2ed02dd415aee71a8bf4c621a9bd65c256642b96 (diff) | |
MIPS: Define the legacy-NaN and 2008-NaN features
Allocate CPU option bits and define macros for the legacy-NaN and
2008-NaN IEEE Std 754 MIPS architecture features. Unconditionally mark
the legacy-NaN feature as present across hardware and emulated
floating-point configurations.
Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Fortune <Matthew.Fortune@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11475/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 6b9064499bd3..758b625d95e0 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -137,6 +137,7 @@ static void cpu_set_fpu_opts(struct cpuinfo_mips *c) } cpu_set_fpu_fcsr_mask(c); + c->options |= MIPS_CPU_NAN_LEGACY; } /* @@ -147,6 +148,7 @@ static void cpu_set_nofpu_opts(struct cpuinfo_mips *c) c->options &= ~MIPS_CPU_FPU; c->fpu_msk31 = mips_nofpu_msk31; + c->options |= MIPS_CPU_NAN_LEGACY; cpu_set_nofpu_id(c); } |