diff options
| -rw-r--r-- | arch/arm/include/asm/hwcap.h | 3 | ||||
| -rw-r--r-- | arch/arm/include/uapi/asm/hwcap.h | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/setup.c | 11 |
3 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h index 6ff56eca3f1f..6e183fd269fb 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 7dcc10d67253..87768b5cffd1 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 */ diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index b0df9761de6d..dbb5449d6b79 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -100,6 +100,9 @@ EXPORT_SYMBOL(system_serial_high); unsigned int elf_hwcap __read_mostly; EXPORT_SYMBOL(elf_hwcap); +unsigned int elf_hwcap2 __read_mostly; +EXPORT_SYMBOL(elf_hwcap2); + #ifdef MULTI_CPU struct processor processor __read_mostly; @@ -1005,6 +1008,10 @@ static const char *hwcap_str[] = { NULL }; +static const char *hwcap2_str[] = { + NULL +}; + static int c_show(struct seq_file *m, void *v) { int i, j; @@ -1028,6 +1035,10 @@ static int c_show(struct seq_file *m, void *v) if (elf_hwcap & (1 << j)) seq_printf(m, "%s ", hwcap_str[j]); + for (j = 0; hwcap2_str[j]; j++) + if (elf_hwcap2 & (1 << j)) + seq_printf(m, "%s ", hwcap2_str[j]); + seq_printf(m, "\nCPU implementer\t: 0x%02x\n", cpuid >> 24); seq_printf(m, "CPU architecture: %s\n", proc_arch[cpu_architecture()]); |