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-rw-r--r--arch/arm/include/asm/hwcap.h2
-rw-r--r--arch/arm/kernel/setup.c2
-rw-r--r--arch/arm/vfp/vfpmodule.c12
3 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h
index bda489f..f7bd52b 100644
--- a/arch/arm/include/asm/hwcap.h
+++ b/arch/arm/include/asm/hwcap.h
@@ -17,6 +17,8 @@
#define HWCAP_CRUNCH 1024
#define HWCAP_THUMBEE 2048
#define HWCAP_NEON 4096
+#define HWCAP_VFPv3 8192
+#define HWCAP_VFPv3D16 16384
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
/*
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 7049815..645ec74 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -779,6 +779,8 @@ static const char *hwcap_str[] = {
"crunch",
"thumbee",
"neon",
+ "vfpv3",
+ "vfpv3d16",
NULL
};
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 7e12390..75457b3 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -476,6 +476,18 @@ static int __init vfp_init(void)
* in place; report VFP support to userspace.
*/
elf_hwcap |= HWCAP_VFP;
+#ifdef CONFIG_VFPv3
+ if (VFP_arch >= 3) {
+ elf_hwcap |= HWCAP_VFPv3;
+
+ /*
+ * Check for VFPv3 D16. CPUs in this configuration
+ * only have 16 x 64bit registers.
+ */
+ if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1)
+ elf_hwcap |= HWCAP_VFPv3D16;
+ }
+#endif
#ifdef CONFIG_NEON
/*
* Check for the presence of the Advanced SIMD