diff options
| author | Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> | 2013-08-13 14:57:53 (GMT) |
|---|---|---|
| committer | Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> | 2013-09-26 08:47:43 (GMT) |
| commit | 46efe547aca8498d51b64460c02366ae4032ca32 (patch) | |
| tree | d5134896a4f93eacd8ad49d01472f4da232991ec /arch/arm64/include/asm/hwcap.h | |
| parent | e9faebc66ec74f1ab7f267d683b45e80faa69763 (diff) | |
| download | linux-46efe547aca8498d51b64460c02366ae4032ca32.tar.xz | |
ARM64: arch_timer: add support to configure and enable event stream
This patch adds support for configuring the event stream frequency
and enabling it.
It also adds the hwcaps as well as compat-specific definitions to
the user to detect this event stream feature.
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/hwcap.h')
| -rw-r--r-- | arch/arm64/include/asm/hwcap.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h index e2950b0..6cddbb0 100644 --- a/arch/arm64/include/asm/hwcap.h +++ b/arch/arm64/include/asm/hwcap.h @@ -30,6 +30,7 @@ #define COMPAT_HWCAP_IDIVA (1 << 17) #define COMPAT_HWCAP_IDIVT (1 << 18) #define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT) +#define COMPAT_HWCAP_EVTSTRM (1 << 21) #ifndef __ASSEMBLY__ /* @@ -37,11 +38,11 @@ * instruction set this cpu supports. */ #define ELF_HWCAP (elf_hwcap) -#define COMPAT_ELF_HWCAP (COMPAT_HWCAP_HALF|COMPAT_HWCAP_THUMB|\ - COMPAT_HWCAP_FAST_MULT|COMPAT_HWCAP_EDSP|\ - COMPAT_HWCAP_TLS|COMPAT_HWCAP_VFP|\ - COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\ - COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV) + +#ifdef CONFIG_COMPAT +#define COMPAT_ELF_HWCAP (compat_elf_hwcap) +extern unsigned int compat_elf_hwcap; +#endif extern unsigned long elf_hwcap; #endif |