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Diffstat (limited to 'arch/arm64/kernel/setup.c')
-rw-r--r--arch/arm64/kernel/setup.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index a4ed2d3..0bc5e4c 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -45,6 +45,7 @@
#include <asm/cputype.h>
#include <asm/elf.h>
#include <asm/cputable.h>
+#include <asm/cpu_ops.h>
#include <asm/sections.h>
#include <asm/setup.h>
#include <asm/smp_plat.h>
@@ -60,6 +61,16 @@ EXPORT_SYMBOL(processor_id);
unsigned long elf_hwcap __read_mostly;
EXPORT_SYMBOL_GPL(elf_hwcap);
+#ifdef CONFIG_COMPAT
+#define COMPAT_ELF_HWCAP_DEFAULT \
+ (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)
+unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT;
+#endif
+
static const char *cpu_name;
static const char *machine_name;
phys_addr_t __fdt_pointer __initdata;
@@ -97,6 +108,11 @@ void __init early_print(const char *str, ...)
printk("%s", buf);
}
+bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
+{
+ return phys_id == cpu_logical_map(cpu);
+}
+
static void __init setup_processor(void)
{
struct cpu_info *cpu_info;
@@ -118,7 +134,7 @@ static void __init setup_processor(void)
printk("CPU: %s [%08x] revision %d\n",
cpu_name, read_cpuid_id(), read_cpuid_id() & 15);
- sprintf(init_utsname()->machine, "aarch64");
+ sprintf(init_utsname()->machine, ELF_PLATFORM);
elf_hwcap = 0;
}
@@ -212,6 +228,7 @@ void __init setup_arch(char **cmdline_p)
psci_init();
cpu_logical_map(0) = read_cpuid_mpidr() & MPIDR_HWID_BITMASK;
+ cpu_read_bootcpu_ops();
#ifdef CONFIG_SMP
smp_init_cpus();
#endif
@@ -252,6 +269,7 @@ subsys_initcall(topology_init);
static const char *hwcap_str[] = {
"fp",
"asimd",
+ "evtstrm",
NULL
};