diff options
| -rw-r--r-- | arch/arm/include/asm/hwcap.h | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/setup.c | 1 | ||||
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 9 |
3 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h index 81f4c89..bda489f 100644 --- a/arch/arm/include/asm/hwcap.h +++ b/arch/arm/include/asm/hwcap.h @@ -16,6 +16,7 @@ #define HWCAP_IWMMXT 512 #define HWCAP_CRUNCH 1024 #define HWCAP_THUMBEE 2048 +#define HWCAP_NEON 4096 #if defined(__KERNEL__) && !defined(__ASSEMBLY__) /* diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 66e1a64..d4dae3e 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -773,6 +773,7 @@ static const char *hwcap_str[] = { "iwmmxt", "crunch", "thumbee", + "neon", NULL }; diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index c0d2c9b..67ca340 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -371,6 +371,15 @@ static int __init vfp_init(void) * in place; report VFP support to userspace. */ elf_hwcap |= HWCAP_VFP; +#ifdef CONFIG_NEON + /* + * Check for the presence of the Advanced SIMD + * load/store instructions, integer and single + * precision floating point operations. + */ + if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100) + elf_hwcap |= HWCAP_NEON; +#endif } return 0; } |