本文整理汇总了C++中read_cpuid_id函数的典型用法代码示例。如果您正苦于以下问题：C++ read_cpuid_id函数的具体用法？C++ read_cpuid_id怎么用？C++ read_cpuid_id使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了read_cpuid_id函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: setup_processor
static void __init setup_processor(void)
{
struct cpu_info *cpu_info;
u64 reg_value;
/*
* locate processor in the list of supported processor
* types. The linker builds this table for us from the
* entries in arch/arm/mm/proc.S
*/
cpu_info = lookup_processor_type(read_cpuid_id());
if (!cpu_info) {
printk("CPU configuration botched (ID %08x), unable to continue.\n",
read_cpuid_id());
while (1);
}
cpu_name = cpu_info->cpu_name;
printk("CPU: %s [%08x] revision %d\n",
cpu_name, read_cpuid_id(), read_cpuid_id() & 15);
sprintf(init_utsname()->machine, "aarch64");
elf_hwcap = 0;
/* Read the number of ASID bits */
reg_value = read_cpuid(ID_AA64MMFR0_EL1) & 0xf0;
if (reg_value == 0x00)
max_asid_bits = 8;
else if (reg_value == 0x20)
max_asid_bits = 16;
else
BUG_ON(1);
cpu_last_asid = 1 << max_asid_bits;
}
开发者ID:Jetson-TK1-AndroidTV，项目名称:android_kernel_nvidia_aosp，代码行数:35，代码来源:setup.c
示例2: cpu_architecture
int cpu_architecture(void)
{
int cpu_arch;
if ((read_cpuid_id() & 0x0008f000) == 0) {
cpu_arch = CPU_ARCH_UNKNOWN;
} else if ((read_cpuid_id() & 0x0008f000) == 0x00007000) {
cpu_arch = (read_cpuid_id() & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
} else if ((read_cpuid_id() & 0x00080000) == 0x00000000) {
cpu_arch = (read_cpuid_id() >> 16) & 7;
if (cpu_arch)
cpu_arch += CPU_ARCH_ARMv3;
} else if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) {
开发者ID:LinkLunk，项目名称:android_kernel_samsung_mint，代码行数:13，代码来源:setup.c
示例3: scu_enable
/*
* Enable the SCU
*/
void scu_enable(void __iomem *scu_base)
{
u32 scu_ctrl;
#ifdef CONFIG_ARM_ERRATA_764369
/* Cortex-A9 only */
if ((read_cpuid_id() & 0xff0ffff0) == 0x410fc090) {
scu_ctrl = __raw_readl(scu_base + 0x30);
if (!(scu_ctrl & 1))
__raw_writel(scu_ctrl | 0x1, scu_base + 0x30);
}
#endif
scu_ctrl = __raw_readl(scu_base + SCU_CTRL);
/* already enabled? */
if (scu_ctrl & 1)
return;
scu_ctrl |= 1;
#ifdef CONFIG_ARCH_TEGRA_14x_SOC
/* Enable SCU speculative line fill enable */
scu_ctrl |= 8;
#endif
__raw_writel(scu_ctrl, scu_base + SCU_CTRL);
/*
* Ensure that the data accessed by CPU0 before the SCU was
* initialised is visible to the other CPUs.
*/
flush_cache_all();
}
开发者ID:1ee7，项目名称:linux_l4t_tx1，代码行数:34，代码来源:smp_scu.c
示例4: __cpuinfo_store_cpu
static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
{
info->reg_cntfrq = arch_timer_get_cntfrq();
info->reg_ctr = read_cpuid_cachetype();
info->reg_dczid = read_cpuid(DCZID_EL0);
info->reg_midr = read_cpuid_id();
info->reg_id_aa64isar0 = read_cpuid(ID_AA64ISAR0_EL1);
info->reg_id_aa64isar1 = read_cpuid(ID_AA64ISAR1_EL1);
info->reg_id_aa64mmfr0 = read_cpuid(ID_AA64MMFR0_EL1);
info->reg_id_aa64mmfr1 = read_cpuid(ID_AA64MMFR1_EL1);
info->reg_id_aa64pfr0 = read_cpuid(ID_AA64PFR0_EL1);
info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1);
info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
info->reg_id_isar3 = read_cpuid(ID_ISAR3_EL1);
info->reg_id_isar4 = read_cpuid(ID_ISAR4_EL1);
info->reg_id_isar5 = read_cpuid(ID_ISAR5_EL1);
info->reg_id_mmfr0 = read_cpuid(ID_MMFR0_EL1);
info->reg_id_mmfr1 = read_cpuid(ID_MMFR1_EL1);
info->reg_id_mmfr2 = read_cpuid(ID_MMFR2_EL1);
info->reg_id_mmfr3 = read_cpuid(ID_MMFR3_EL1);
info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
cpuinfo_detect_icache_policy(info);
}
开发者ID:BinVul，项目名称:linux2.6.32，代码行数:29，代码来源:cpuinfo.c
示例5: scu_enable
/*
* Enable the SCU
*/
void scu_enable(void __iomem *scu_base)
{
u32 scu_ctrl;
#ifdef CONFIG_ARM_ERRATA_764369
/* Cortex-A9 only */
if ((read_cpuid_id() & 0xff0ffff0) == 0x410fc090) {
scu_ctrl = readl_relaxed(scu_base + 0x30);
if (!(scu_ctrl & 1))
writel_relaxed(scu_ctrl | 0x1, scu_base + 0x30);
}
#endif
#ifdef CONFIG_ARCH_HI6XXX
return;
#else
scu_ctrl = __raw_readl(scu_base + SCU_CTRL);
/* already enabled? */
if (scu_ctrl & 1)
return;
scu_ctrl |= 1;
writel_relaxed(scu_ctrl, scu_base + SCU_CTRL);
/*
* Ensure that the data accessed by CPU0 before the SCU was
* initialised is visible to the other CPUs.
*/
flush_cache_all();
#endif
}
开发者ID:HuaweiHonor4C，项目名称:kernel_hi6210sft_mm，代码行数:34，代码来源:smp_scu.c
示例6: scu_enable
/* Enable the SCU */
void scu_enable(void *_scu_base)
{
uint32_t scu_ctrl;
volatile uint32_t *scu_base = (volatile uint32_t*)_scu_base;
#ifdef CONFIG_ARM_ERRATA_764369
/* Cortex-A9 only */
if ((read_cpuid_id() & 0xff0ffff0) == 0x410fc090) {
scu_ctrl = scu_base[0x30 / 4];
if (!(scu_ctrl & 1)) {
scu_base[0x30 / 4] = scu_ctrl | 0x1;
}
}
#endif
scu_ctrl = scu_base[SCU_CTRL];
/* already enabled? */
if (scu_ctrl & 1) {
return;
}
scu_ctrl |= 1;
scu_base[SCU_CTRL] = scu_ctrl;
/*
* Ensure that the data accessed by CPU0 before the SCU was
* initialised is visible to the other CPUs.
*/
flush_dcache();
}
开发者ID:KGG814，项目名称:AOS，代码行数:31，代码来源:scu.c
示例7: read_cpuid_id
static struct arm_pmu *arm_pmu_acpi_find_alloc_pmu(void)
{
unsigned long cpuid = read_cpuid_id();
struct arm_pmu *pmu;
int cpu;
for_each_possible_cpu(cpu) {
pmu = per_cpu(probed_pmus, cpu);
if (!pmu || pmu->acpi_cpuid != cpuid)
continue;
return pmu;
}
pmu = armpmu_alloc();
if (!pmu) {
pr_warn("Unable to allocate PMU for CPU%d\n",
smp_processor_id());
return NULL;
}
pmu->acpi_cpuid = cpuid;
return pmu;
}
开发者ID:SantoshShilimkar，项目名称:linux，代码行数:25，代码来源:arm_pmu_acpi.c
示例8: kvm_reset_vcpu
/**
* kvm_reset_vcpu - sets core registers and cp15 registers to reset value
* @vcpu: The VCPU pointer
*
* This function finds the right table above and sets the registers on the
* virtual CPU struct to their architectually defined reset values.
*/
int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
{
struct kvm_regs *reset_regs;
const struct kvm_irq_level *cpu_vtimer_irq;
switch (vcpu->arch.target) {
case KVM_ARM_TARGET_CORTEX_A7:
case KVM_ARM_TARGET_CORTEX_A15:
reset_regs = &cortexa_regs_reset;
vcpu->arch.midr = read_cpuid_id();
cpu_vtimer_irq = &cortexa_vtimer_irq;
break;
default:
return -ENODEV;
}
/* Reset core registers */
memcpy(&vcpu->arch.regs, reset_regs, sizeof(vcpu->arch.regs));
/* Reset CP15 registers */
kvm_reset_coprocs(vcpu);
/* Reset arch_timer context */
kvm_timer_vcpu_reset(vcpu, cpu_vtimer_irq);
return 0;
}
开发者ID:01org，项目名称:KVMGT-kernel，代码行数:34，代码来源:reset.c
示例9: init_pmu_props_cpu
/* Initialize PMU properties of the current CPU */
static void init_pmu_props_cpu(void* dummy)
{
int this_cpu=smp_processor_id();
pmcr_t reg;
int i=0;
u32 cpuid;
u32 model;
pmu_props_t* props=&pmu_props_cpu[this_cpu];
init_pmcr(®);
props->nr_gp_pmcs=get_bit_field32(®.m_n) & ARMV7_PMNC_N_MASK ;
props->nr_fixed_pmcs=1; //Cycle counter
props->pmc_width=32;
/* Mask */
props->pmc_width_mask=0;
for (i=0; i<props->pmc_width; i++)
props->pmc_width_mask|=(1ULL<<i);
/* Read PMU ID*/
props->processor_model=reg.m_value;
cpuid=read_cpuid_id();
if ((cpuid & 0x0008f000) == 0x00000000) {
/* pre-ARM7 */
model=cpuid >> 4;
} else {
开发者ID:jcsaezal，项目名称:pmctrack，代码行数:30，代码来源:pmu_config_arm.c
示例10: init_pmu_props_cpu
/* Initialize PMU properties of the current CPU */
static void init_pmu_props_cpu(void* dummy)
{
int this_cpu=smp_processor_id();
pmcr_t reg;
int i=0;
u32 cpuid;
u32 model;
pmu_props_t* props=&pmu_props_cpu[this_cpu];
init_pmcr(®);
/* Read the nb of CNTx counters supported from PMNC */
props->nr_gp_pmcs=get_bit_field32(®.m_n) & ARMV8_PMCR_N_MASK ;
props->nr_fixed_pmcs=1; //Cycle counter
props->pmc_width=32;
/* Mask */
props->pmc_width_mask=0;
for (i=0; i<props->pmc_width; i++)
props->pmc_width_mask|=(1ULL<<i);
/* Read PMU ID*/
props->processor_model=reg.m_value;
/* Hack extracted from c_show() in arch/arm/kernel/setup.c */
cpuid=read_cpuid_id();
if ((cpuid & 0x0008f000) == 0x00000000) {
/* pre-ARM7 */
model=cpuid >> 4;
} else {
开发者ID:jcsaezal，项目名称:pmctrack，代码行数:33，代码来源:pmu_config_arm64.c
示例11: omap4_smp_init_cpus
/*
* Initialise the CPU possible map early - this describes the CPUs
* which may be present or become present in the system.
*/
static void __init omap4_smp_init_cpus(void)
{
unsigned int i = 0, ncores = 1, cpu_id;
/* Use ARM cpuid check here, as SoC detection will not work so early */
cpu_id = read_cpuid_id() & CPU_MASK;
if (cpu_id == CPU_CORTEX_A9) {
/*
* Currently we can't call ioremap here because
* SoC detection won't work until after init_early.
*/
scu_base = OMAP2_L4_IO_ADDRESS(scu_a9_get_base());
BUG_ON(!scu_base);
ncores = scu_get_core_count(scu_base);
} else if (cpu_id == CPU_CORTEX_A15) {
ncores = OMAP5_CORE_COUNT;
}
/* sanity check */
if (ncores > nr_cpu_ids) {
pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
ncores, nr_cpu_ids);
ncores = nr_cpu_ids;
}
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
}
开发者ID:03199618，项目名称:linux，代码行数:32，代码来源:omap-smp.c
示例12: is_affected_midr_range
static bool __maybe_unused
is_affected_midr_range(const struct arm64_cpu_capabilities *entry, int scope)
{
WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
return MIDR_IS_CPU_MODEL_RANGE(read_cpuid_id(), entry->midr_model,
entry->midr_range_min,
entry->midr_range_max);
}
开发者ID:Artox，项目名称:linux，代码行数:8，代码来源:cpu_errata.c
示例13: erratum_a15_798181
static int erratum_a15_798181(void)
{
unsigned int midr = read_cpuid_id();
/* Cortex-A15 r0p0..r3p2 affected */
if ((midr & 0xff0ffff0) != 0x410fc0f0 || midr > 0x413fc0f2)
return 0;
return 1;
}
开发者ID:coreentin，项目名称:android_kernel_nvidia_s8515，代码行数:9，代码来源:smp_tlb.c
示例14: kbasep_cpuprops_uk_get_cpu_id_info
static void kbasep_cpuprops_uk_get_cpu_id_info(struct kbase_uk_cpuprops * const kbase_props)
{
kbase_props->props.cpu_id.id = read_cpuid_id();
kbase_props->props.cpu_id.valid = 1;
kbase_props->props.cpu_id.rev = KBASE_CPUPROPS_ID_GET_REV(kbase_props->props.cpu_id.id);
kbase_props->props.cpu_id.part = KBASE_CPUPROPS_ID_GET_PART_NR(kbase_props->props.cpu_id.id);
kbase_props->props.cpu_id.arch = KBASE_CPUPROPS_ID_GET_ARCH(kbase_props->props.cpu_id.id);
kbase_props->props.cpu_id.variant = KBASE_CPUPROPS_ID_GET_VARIANT(kbase_props->props.cpu_id.id);
kbase_props->props.cpu_id.implementer = KBASE_CPUPROPS_ID_GET_CODE(kbase_props->props.cpu_id.id);
}
开发者ID:MukeshMM，项目名称:android_kernel_samsung_j2lte，代码行数:11，代码来源:mali_kbase_cpuprops.c
示例15: is_affected_midr_range
static bool __maybe_unused
is_affected_midr_range(struct arm64_cpu_capabilities *entry)
{
u32 midr = read_cpuid_id();
if ((midr & CPU_MODEL_MASK) != entry->midr_model)
return false;
midr &= MIDR_REVISION_MASK | MIDR_VARIANT_MASK;
return (midr >= entry->midr_range_min && midr <= entry->midr_range_max);
}
开发者ID:shri360，项目名称:kernel-moto-c-plus，代码行数:12，代码来源:cpu_errata.c
示例16: smp_setup_processor_id
void __init smp_setup_processor_id(void)
{
u64 mpidr = read_cpuid_mpidr() & MPIDR_HWID_BITMASK;
cpu_logical_map(0) = mpidr;
/*
* clear __my_cpu_offset on boot CPU to avoid hang caused by
* using percpu variable early, for example, lockdep will
* access percpu variable inside lock_release
*/
set_my_cpu_offset(0);
pr_info("Booting Linux on physical CPU 0x%010lx [0x%08x]\n",
(unsigned long)mpidr, read_cpuid_id());
}
开发者ID:bristot，项目名称:linux，代码行数:14，代码来源:setup.c
示例17: probe_current_pmu
/*
* CPU PMU identification and probing.
*/
static int probe_current_pmu(struct arm_pmu *pmu)
{
int cpu = get_cpu();
unsigned long cpuid = read_cpuid_id();
unsigned long implementor = (cpuid & 0xFF000000) >> 24;
unsigned long part_number = (cpuid & 0xFFF0);
int ret = -ENODEV;
pr_info("probing PMU on CPU %d\n", cpu);
/* ARM Ltd CPUs. */
if (0x41 == implementor) {
switch (part_number) {
case 0xB360: /* ARM1136 */
case 0xB560: /* ARM1156 */
case 0xB760: /* ARM1176 */
ret = armv6pmu_init(pmu);
break;
case 0xB020: /* ARM11mpcore */
ret = armv6mpcore_pmu_init(pmu);
break;
case 0xC080: /* Cortex-A8 */
ret = armv7_a8_pmu_init(pmu);
break;
case 0xC090: /* Cortex-A9 */
ret = armv7_a9_pmu_init(pmu);
break;
case 0xC050: /* Cortex-A5 */
ret = armv7_a5_pmu_init(pmu);
break;
case 0xC0F0: /* Cortex-A15 */
ret = armv7_a15_pmu_init(pmu);
break;
case 0xC070: /* Cortex-A7 */
ret = armv7_a7_pmu_init(pmu);
break;
}
/* Intel CPUs [xscale]. */
} else if (0x69 == implementor) {
part_number = (cpuid >> 13) & 0x7;
switch (part_number) {
case 1:
ret = xscale1pmu_init(pmu);
break;
case 2:
ret = xscale2pmu_init(pmu);
break;
}
}
开发者ID:22101959，项目名称:linux-3.8.13，代码行数:52，代码来源:perf_event_cpu.c
示例18: setup_processor
static void __init setup_processor(void)
{
struct cpu_info *cpu_info;
/*
* locate processor in the list of supported processor
* types. The linker builds this table for us from the
* entries in arch/arm/mm/proc.S
*/
cpu_info = lookup_processor_type(read_cpuid_id());
if (!cpu_info) {
printk("CPU configuration botched (ID %08x), unable to continue.\n",
read_cpuid_id());
while (1);
}
cpu_name = cpu_info->cpu_name;
printk("CPU: %s [%08x] revision %d\n",
cpu_name, read_cpuid_id(), read_cpuid_id() & 15);
sprintf(init_utsname()->machine, "aarch64");
elf_hwcap = 0;
}
开发者ID:knone1，项目名称:android_kernel_asus_moorefield，代码行数:24，代码来源:setup.c
示例19: __cpuinfo_store_cpu
static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
{
info->reg_cntfrq = arch_timer_get_cntfrq();
info->reg_ctr = read_cpuid_cachetype();
info->reg_dczid = read_cpuid(DCZID_EL0);
info->reg_midr = read_cpuid_id();
info->reg_revidr = read_cpuid(REVIDR_EL1);
info->reg_id_aa64dfr0 = read_cpuid(ID_AA64DFR0_EL1);
info->reg_id_aa64dfr1 = read_cpuid(ID_AA64DFR1_EL1);
info->reg_id_aa64isar0 = read_cpuid(ID_AA64ISAR0_EL1);
info->reg_id_aa64isar1 = read_cpuid(ID_AA64ISAR1_EL1);
info->reg_id_aa64mmfr0 = read_cpuid(ID_AA64MMFR0_EL1);
info->reg_id_aa64mmfr1 = read_cpuid(ID_AA64MMFR1_EL1);
info->reg_id_aa64mmfr2 = read_cpuid(ID_AA64MMFR2_EL1);
info->reg_id_aa64pfr0 = read_cpuid(ID_AA64PFR0_EL1);
info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1);
info->reg_id_aa64zfr0 = read_cpuid(ID_AA64ZFR0_EL1);
/* Update the 32bit ID registers only if AArch32 is implemented */
if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1);
info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
info->reg_id_isar3 = read_cpuid(ID_ISAR3_EL1);
info->reg_id_isar4 = read_cpuid(ID_ISAR4_EL1);
info->reg_id_isar5 = read_cpuid(ID_ISAR5_EL1);
info->reg_id_mmfr0 = read_cpuid(ID_MMFR0_EL1);
info->reg_id_mmfr1 = read_cpuid(ID_MMFR1_EL1);
info->reg_id_mmfr2 = read_cpuid(ID_MMFR2_EL1);
info->reg_id_mmfr3 = read_cpuid(ID_MMFR3_EL1);
info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
info->reg_mvfr0 = read_cpuid(MVFR0_EL1);
info->reg_mvfr1 = read_cpuid(MVFR1_EL1);
info->reg_mvfr2 = read_cpuid(MVFR2_EL1);
}
if (IS_ENABLED(CONFIG_ARM64_SVE) &&
id_aa64pfr0_sve(info->reg_id_aa64pfr0))
info->reg_zcr = read_zcr_features();
cpuinfo_detect_icache_policy(info);
}
开发者ID:12zz，项目名称:linux，代码行数:46，代码来源:cpuinfo.c
示例20: probe_current_pmu
/*
* CPU PMU identification and probing.
*/
static int probe_current_pmu(struct arm_pmu *pmu)
{
int cpu = get_cpu();
unsigned int cpuid = read_cpuid_id();
int ret = -ENODEV;
const struct pmu_probe_info *info;
pr_info("probing PMU on CPU %d\n", cpu);
for (info = pmu_probe_table; info->init != NULL; info++) {
if ((cpuid & info->mask) != info->cpuid)
continue;
ret = info->init(pmu);
break;
}
put_cpu();
return ret;
}
开发者ID:davyb1964，项目名称:rxe-dev，代码行数:22，代码来源:perf_event_cpu.c
注：本文中的read_cpuid_id函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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