ARM: 7981/1: add support for AT_HWCAP2 ELF auxv entry
This enables AT_HWCAP2 for ARM. The generic support for this
new ELF auxv entry was added in commit 2171364d1a9 (powerpc:
Add HWCAP2 aux entry)
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h
index 6ff56ec..6e183fd 100644
--- a/arch/arm/include/asm/hwcap.h
+++ b/arch/arm/include/asm/hwcap.h
@@ -9,6 +9,7 @@
* instruction set this cpu supports.
*/
#define ELF_HWCAP (elf_hwcap)
-extern unsigned int elf_hwcap;
+#define ELF_HWCAP2 (elf_hwcap2)
+extern unsigned int elf_hwcap, elf_hwcap2;
#endif
#endif
diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h
index 7dcc10d..87768b5 100644
--- a/arch/arm/include/uapi/asm/hwcap.h
+++ b/arch/arm/include/uapi/asm/hwcap.h
@@ -28,4 +28,8 @@
#define HWCAP_LPAE (1 << 20)
#define HWCAP_EVTSTRM (1 << 21)
+/*
+ * HWCAP2 flags - for elf_hwcap2 (in kernel) and AT_HWCAP2
+ */
+
#endif /* _UAPI__ASMARM_HWCAP_H */