#define KERNEL_HWCAP_PACA __khwcap_feature(PACA)
#define KERNEL_HWCAP_PACG __khwcap_feature(PACG)
-#define __khwcap2_feature(x) (const_ilog2(HWCAP2_ ## x) + 32)
+#define __khwcap2_feature(x) (const_ilog2(HWCAP2_ ## x) + 64)
#define KERNEL_HWCAP_DCPODP __khwcap2_feature(DCPODP)
#define KERNEL_HWCAP_SVE2 __khwcap2_feature(SVE2)
#define KERNEL_HWCAP_SVEAES __khwcap2_feature(SVEAES)
#include <asm/virt.h>
/* Kernel representation of AT_HWCAP and AT_HWCAP2 */
-static unsigned long elf_hwcap __read_mostly;
+static DECLARE_BITMAP(elf_hwcap, MAX_CPU_FEATURES) __read_mostly;
#ifdef CONFIG_COMPAT
#define COMPAT_ELF_HWCAP_DEFAULT \
void cpu_set_feature(unsigned int num)
{
- WARN_ON(num >= MAX_CPU_FEATURES);
- elf_hwcap |= BIT(num);
+ set_bit(num, elf_hwcap);
}
bool cpu_have_feature(unsigned int num)
{
- WARN_ON(num >= MAX_CPU_FEATURES);
- return elf_hwcap & BIT(num);
+ return test_bit(num, elf_hwcap);
}
EXPORT_SYMBOL_GPL(cpu_have_feature);
* note that for userspace compatibility we guarantee that bits 62
* and 63 will always be returned as 0.
*/
- return lower_32_bits(elf_hwcap);
+ return elf_hwcap[0];
}
unsigned long cpu_get_elf_hwcap2(void)
{
- return upper_32_bits(elf_hwcap);
+ return elf_hwcap[1];
}
static void __init setup_system_capabilities(void)