diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/include/asm/hwcap.h | 2 | ||||
-rw-r--r-- | arch/arm/kernel/setup.c | 2 | ||||
-rw-r--r-- | arch/arm/vfp/vfpmodule.c | 12 |
3 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h index bda489f9f017..f7bd52b1c365 100644 --- a/arch/arm/include/asm/hwcap.h +++ b/arch/arm/include/asm/hwcap.h | |||
@@ -17,6 +17,8 @@ | |||
17 | #define HWCAP_CRUNCH 1024 | 17 | #define HWCAP_CRUNCH 1024 |
18 | #define HWCAP_THUMBEE 2048 | 18 | #define HWCAP_THUMBEE 2048 |
19 | #define HWCAP_NEON 4096 | 19 | #define HWCAP_NEON 4096 |
20 | #define HWCAP_VFPv3 8192 | ||
21 | #define HWCAP_VFPv3D16 16384 | ||
20 | 22 | ||
21 | #if defined(__KERNEL__) && !defined(__ASSEMBLY__) | 23 | #if defined(__KERNEL__) && !defined(__ASSEMBLY__) |
22 | /* | 24 | /* |
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 7049815d66d5..645ec7436681 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c | |||
@@ -779,6 +779,8 @@ static const char *hwcap_str[] = { | |||
779 | "crunch", | 779 | "crunch", |
780 | "thumbee", | 780 | "thumbee", |
781 | "neon", | 781 | "neon", |
782 | "vfpv3", | ||
783 | "vfpv3d16", | ||
782 | NULL | 784 | NULL |
783 | }; | 785 | }; |
784 | 786 | ||
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 7e1239041b39..75457b30d813 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c | |||
@@ -476,6 +476,18 @@ static int __init vfp_init(void) | |||
476 | * in place; report VFP support to userspace. | 476 | * in place; report VFP support to userspace. |
477 | */ | 477 | */ |
478 | elf_hwcap |= HWCAP_VFP; | 478 | elf_hwcap |= HWCAP_VFP; |
479 | #ifdef CONFIG_VFPv3 | ||
480 | if (VFP_arch >= 3) { | ||
481 | elf_hwcap |= HWCAP_VFPv3; | ||
482 | |||
483 | /* | ||
484 | * Check for VFPv3 D16. CPUs in this configuration | ||
485 | * only have 16 x 64bit registers. | ||
486 | */ | ||
487 | if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1) | ||
488 | elf_hwcap |= HWCAP_VFPv3D16; | ||
489 | } | ||
490 | #endif | ||
479 | #ifdef CONFIG_NEON | 491 | #ifdef CONFIG_NEON |
480 | /* | 492 | /* |
481 | * Check for the presence of the Advanced SIMD | 493 | * Check for the presence of the Advanced SIMD |