Commit 28964d32 authored by Ard Biesheuvel's avatar Ard Biesheuvel Committed by Catalin Marinas
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arm64: add AT_HWCAP2 support for 32-bit compat



Add support for the ELF auxv entry AT_HWCAP2 when running 32-bit
ELF binaries in compat mode.
Signed-off-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 66d6e3b3
...@@ -41,7 +41,8 @@ ...@@ -41,7 +41,8 @@
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
#define COMPAT_ELF_HWCAP (compat_elf_hwcap) #define COMPAT_ELF_HWCAP (compat_elf_hwcap)
extern unsigned int compat_elf_hwcap; #define COMPAT_ELF_HWCAP2 (compat_elf_hwcap2)
extern unsigned int compat_elf_hwcap, compat_elf_hwcap2;
#endif #endif
extern unsigned long elf_hwcap; extern unsigned long elf_hwcap;
......
...@@ -69,6 +69,7 @@ EXPORT_SYMBOL_GPL(elf_hwcap); ...@@ -69,6 +69,7 @@ EXPORT_SYMBOL_GPL(elf_hwcap);
COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\ COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\
COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV) COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV)
unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT; unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT;
unsigned int compat_elf_hwcap2 __read_mostly;
#endif #endif
static const char *cpu_name; static const char *cpu_name;
......
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