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| author | Maciej W. Rozycki <macro@imgtec.com> | 2015-11-13 03:46:55 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-01-20 02:39:20 +0300 |
| commit | 9519ef37a4a4e9c3c2d7d89ecbecfaf3c839208a (patch) | |
| tree | 4d893cecfb1251a2e4e6496cc119319c20e8456d /arch/mips/include/asm/cpu-features.h | |
| parent | 2ed02dd415aee71a8bf4c621a9bd65c256642b96 (diff) | |
| download | linux-9519ef37a4a4e9c3c2d7d89ecbecfaf3c839208a.tar.xz | |
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/include/asm/cpu-features.h')
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index d1e04c943f5f..eeec8c8e2da2 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -414,4 +414,11 @@ # define cpu_has_small_pages (cpu_data[0].options & MIPS_CPU_SP) #endif +#ifndef cpu_has_nan_legacy +#define cpu_has_nan_legacy (cpu_data[0].options & MIPS_CPU_NAN_LEGACY) +#endif +#ifndef cpu_has_nan_2008 +#define cpu_has_nan_2008 (cpu_data[0].options & MIPS_CPU_NAN_2008) +#endif + #endif /* __ASM_CPU_FEATURES_H */ |