pico/arm_features.h

   1 #ifndef __ARM_FEATURES_H__
   2 #define __ARM_FEATURES_H__
   3
   4 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
   5  || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
   6  || defined(__ARM_ARCH_7EM__)
   7
   8 #define HAVE_ARMV7
   9 #define HAVE_ARMV6
  10 #define HAVE_ARMV5
  11
  12 #elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
  13    || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \
  14    || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__)
  15
  16 #define HAVE_ARMV6
  17 #define HAVE_ARMV5
  18
  19 #elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5E__) \
  20    || defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)
  21
  22 #define HAVE_ARMV5
  23
  24 #endif
  25
  26 /* no need for HAVE_NEON - GCC defines __ARM_NEON__ consistently */
  27
  28 /* global function/external symbol */
  29 #ifndef __MACH__
  30 #define ESYM(name) name
  31
  32 #define FUNCTION(name) \
  33   .globl name; \
  34   .type name, %function; \
  35   name
  36
  37 #define EXTRA_UNSAVED_REGS
  38
  39 #else
  40 #define ESYM(name) _##name
  41
  42 #define FUNCTION(name) \
  43   .globl ESYM(name); \
  44   name: \
  45   ESYM(name)
  46
  47 // r7 is preserved, but add it for EABI alignment..
  48 #define EXTRA_UNSAVED_REGS r7, r9,
  49
  50 #endif
  51
  52 #endif /* __ARM_FEATURES_H__ */