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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-08-10 18:36:30 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-08-12 19:08:19 +0200 |
| commit | 8ae373235b316ff10c3b6f30ac1f2efed9bec011 (patch) | |
| tree | f52d2ff1e1ba63036c7d1f5f34ba41db783d1f00 /cpukit/score/cpu/arm/rtems/score/arm.h | |
| parent | bsp/altera-cyclone-v: Add RTC driver. (diff) | |
| download | rtems-8ae373235b316ff10c3b6f30ac1f2efed9bec011.tar.bz2 | |
arm: Add support for FPv4-SP floating point unit
This floating point unit is available in Cortex-M4 processors and
defined by ARMv7-M. This adds basic support for other VFP-D16 variants.
Diffstat (limited to 'cpukit/score/cpu/arm/rtems/score/arm.h')
| -rw-r--r-- | cpukit/score/cpu/arm/rtems/score/arm.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/cpukit/score/cpu/arm/rtems/score/arm.h b/cpukit/score/cpu/arm/rtems/score/arm.h index a105f17ad2..586a8cb2e9 100644 --- a/cpukit/score/cpu/arm/rtems/score/arm.h +++ b/cpukit/score/cpu/arm/rtems/score/arm.h @@ -50,10 +50,19 @@ extern "C" { #define ARM_MULTILIB_HAS_THREAD_ID_REGISTER #endif -#if defined(__ARM_NEON__) - #define ARM_MULTILIB_VFP_D32 -#elif !defined(__SOFTFP__) - #error "FPU support not implemented" +#if !defined(__SOFTFP__) + #if defined(__ARM_NEON__) + #define ARM_MULTILIB_VFP_D32 + #elif defined(__VFP_FP__) + #define ARM_MULTILIB_VFP_D16 + #else + #error "FPU support not implemented" + #endif +#endif + +#if defined(ARM_MULTILIB_VFP_D16) \ + || defined(ARM_MULTILIB_VFP_D32) + #define ARM_MULTILIB_VFP #endif /* |