diff options
Diffstat (limited to '8/platforms/android-14/arch-arm/usr/include/machine/cpu-features.h')
| -rw-r--r-- | 8/platforms/android-14/arch-arm/usr/include/machine/cpu-features.h | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/8/platforms/android-14/arch-arm/usr/include/machine/cpu-features.h b/8/platforms/android-14/arch-arm/usr/include/machine/cpu-features.h index f836006..80d3fda 100644 --- a/8/platforms/android-14/arch-arm/usr/include/machine/cpu-features.h +++ b/8/platforms/android-14/arch-arm/usr/include/machine/cpu-features.h @@ -38,7 +38,7 @@ * IMPORTANT: We have no intention to support anything below an ARMv4T ! */ -/* _ARM_ARCH_REVISION is a number corresponding to the ARM revision +/* __ARM_ARCH__ is a number corresponding to the ARM revision * we're going to support * * it looks like our toolchain doesn't define __ARM_ARCH__ @@ -142,15 +142,50 @@ * * ldr pc, [<some address>] * - * note that this affects any instruction that explicitely changes the + * note that this affects any instruction that explicitly changes the * value of the pc register, including ldm { ...,pc } or 'add pc, #offset' */ #if __ARM_ARCH__ >= 5 # define __ARM_HAVE_PC_INTERWORK #endif +/* define __ARM_HAVE_LDREX_STREX for ARMv6 and ARMv7 architecture to be + * used in replacement of deprecated swp instruction + */ +#if __ARM_ARCH__ >= 6 +# define __ARM_HAVE_LDREX_STREX +#endif + +/* define __ARM_HAVE_DMB for ARMv7 architecture + */ +#if __ARM_ARCH__ >= 7 +# define __ARM_HAVE_DMB +#endif + +/* define __ARM_HAVE_LDREXD for ARMv7 architecture + * (also present in ARMv6K, but not implemented in ARMv7-M, neither of which + * we care about) + */ +#if __ARM_ARCH__ >= 7 +# define __ARM_HAVE_LDREXD +#endif + +/* define _ARM_HAVE_VFP if we have VFPv3 + */ +#if __ARM_ARCH__ >= 7 && defined __VFP_FP__ +# define __ARM_HAVE_VFP +#endif + +/* define _ARM_HAVE_NEON for ARMv7 architecture if we support the + * Neon SIMD instruction set extensions. This also implies + * that VFPv3-D32 is supported. + */ +#if __ARM_ARCH__ >= 7 && defined __ARM_NEON__ +# define __ARM_HAVE_NEON +#endif /* Assembly-only macros */ +#ifdef __ASSEMBLY__ /* define a handy PLD(address) macro since the cache preload * is an optional opcode @@ -161,4 +196,6 @@ # define PLD(reg,offset) /* nothing */ #endif +#endif /* ! __ASSEMBLY__ */ + #endif /* _ARM_MACHINE_CPU_FEATURES_H */ |