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Diffstat (limited to 'arch/arm64/kernel/cpufeature.c')
-rw-r--r--arch/arm64/kernel/cpufeature.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 2e3e55139777..77862b7c8908 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -140,6 +140,13 @@ void dump_cpu_features(void)
pr_emerg("0x%*pb\n", ARM64_NCAPS, &cpu_hwcaps);
}
+#define ARM64_CPUID_FIELDS(reg, field, min_value) \
+ .sys_reg = SYS_##reg, \
+ .field_pos = reg##_##field##_SHIFT, \
+ .field_width = reg##_##field##_WIDTH, \
+ .sign = reg##_##field##_SIGNED, \
+ .min_field_value = reg##_##field##_##min_value,
+
#define __ARM64_FTR_BITS(SIGNED, VISIBLE, STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \
{ \
.sign = SIGNED, \
@@ -2776,12 +2783,8 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
};
#define HWCAP_CPUID_MATCH(reg, field, min_value) \
- .matches = has_user_cpuid_feature, \
- .sys_reg = SYS_##reg, \
- .field_pos = reg##_##field##_SHIFT, \
- .field_width = reg##_##field##_WIDTH, \
- .sign = reg##_##field##_SIGNED, \
- .min_field_value = reg##_##field##_##min_value,
+ .matches = has_user_cpuid_feature, \
+ ARM64_CPUID_FIELDS(reg, field, min_value)
#define __HWCAP_CAP(name, cap_type, cap) \
.desc = name, \
@@ -2811,26 +2814,26 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
#ifdef CONFIG_ARM64_PTR_AUTH
static const struct arm64_cpu_capabilities ptr_auth_hwcap_addr_matches[] = {
{
- HWCAP_CPUID_MATCH(ID_AA64ISAR1_EL1, APA, PAuth)
+ ARM64_CPUID_FIELDS(ID_AA64ISAR1_EL1, APA, PAuth)
},
{
- HWCAP_CPUID_MATCH(ID_AA64ISAR2_EL1, APA3, PAuth)
+ ARM64_CPUID_FIELDS(ID_AA64ISAR2_EL1, APA3, PAuth)
},
{
- HWCAP_CPUID_MATCH(ID_AA64ISAR1_EL1, API, PAuth)
+ ARM64_CPUID_FIELDS(ID_AA64ISAR1_EL1, API, PAuth)
},
{},
};
static const struct arm64_cpu_capabilities ptr_auth_hwcap_gen_matches[] = {
{
- HWCAP_CPUID_MATCH(ID_AA64ISAR1_EL1, GPA, IMP)
+ ARM64_CPUID_FIELDS(ID_AA64ISAR1_EL1, GPA, IMP)
},
{
- HWCAP_CPUID_MATCH(ID_AA64ISAR2_EL1, GPA3, IMP)
+ ARM64_CPUID_FIELDS(ID_AA64ISAR2_EL1, GPA3, IMP)
},
{
- HWCAP_CPUID_MATCH(ID_AA64ISAR1_EL1, GPI, IMP)
+ ARM64_CPUID_FIELDS(ID_AA64ISAR1_EL1, GPI, IMP)
},
{},
};