C++ clear_local_APIC函数代码示例

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本文整理汇总了C++中clear_local_APIC函数的典型用法代码示例。如果您正苦于以下问题：C++ clear_local_APIC函数的具体用法？C++ clear_local_APIC怎么用？C++ clear_local_APIC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clear_local_APIC函数的8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: init_bsp_APIC

/*
 * An initial setup of the virtual wire mode.
 */
void __init init_bsp_APIC(void)
{
	unsigned int value;

	/*
	 * Don't do the setup now if we have a SMP BIOS as the
	 * through-I/O-APIC virtual wire mode might be active.
	 */
	if (smp_found_config || !cpu_has_apic)
		return;

	value = apic_read(APIC_LVR);

	/*
	 * Do not trust the local APIC being empty at bootup.
	 */
	clear_local_APIC();

	/*
	 * Enable APIC.
	 */
	value = apic_read(APIC_SPIV);
	value &= ~APIC_VECTOR_MASK;
	value |= APIC_SPIV_APIC_ENABLED;
	value |= APIC_SPIV_FOCUS_DISABLED;
	value |= SPURIOUS_APIC_VECTOR;
	apic_write(APIC_SPIV, value);

	/*
	 * Set up the virtual wire mode.
	 */
	apic_write(APIC_LVT0, APIC_DM_EXTINT);
	value = APIC_DM_NMI;
	apic_write(APIC_LVT1, value);
}

开发者ID:mobilipia，项目名称:iods，代码行数:38，代码来源:apic_64.c

示例2: disable_local_APIC

void disable_local_APIC(void)
{
	unsigned long value;

	clear_local_APIC();

	/*
	 * Disable APIC (implies clearing of registers
	 * for 82489DX!).
	 */
	value = apic_read(APIC_SPIV);
	value &= ~APIC_SPIV_APIC_ENABLED;
	apic_write_around(APIC_SPIV, value);
}

开发者ID:liexusong，项目名称:Linux-2.4.16，代码行数:14，代码来源:apic.c

示例3: lapic_shutdown

/*
 * If Linux enabled the LAPIC against the BIOS default
 * disable it down before re-entering the BIOS on shutdown.
 * Otherwise the BIOS may get confused and not power-off.
 * Additionally clear all LVT entries before disable_local_APIC
 * for the case where Linux didn't enable the LAPIC.
 */
void lapic_shutdown(void)
{
	unsigned long flags;

	if (!cpu_has_apic)
		return;

	local_irq_save(flags);
	clear_local_APIC();

	if (enabled_via_apicbase)
		disable_local_APIC();

	local_irq_restore(flags);
}

开发者ID:ut-osa，项目名称:syncchar，代码行数:22，代码来源:apic.c

示例4: connect_bsp_APIC

void __init connect_bsp_APIC(void)
{
	if (pic_mode) {
		/*
		 * Do not trust the local APIC being empty at bootup.
		 */
		clear_local_APIC();
		/*
		 * PIC mode, enable APIC mode in the IMCR, i.e.
		 * connect BSP's local APIC to INT and NMI lines.
		 */
		printk("leaving PIC mode, enabling APIC mode.\n");
		outb(0x70, 0x22);
		outb(0x01, 0x23);
	}
}

开发者ID:liexusong，项目名称:Linux-2.4.16，代码行数:16，代码来源:apic.c

示例5: disable_local_APIC

void disable_local_APIC(void)
{
    clear_local_APIC();

    /*
     * Disable APIC (implies clearing of registers
     * for 82489DX!).
     */
    apic_write_around(APIC_SPIV,
        apic_read(APIC_SPIV) & ~APIC_SPIV_APIC_ENABLED);

    if (enabled_via_apicbase) {
        uint64_t msr_content;
        rdmsrl(MSR_IA32_APICBASE, msr_content);
        wrmsrl(MSR_IA32_APICBASE, msr_content &
               ~(MSR_IA32_APICBASE_ENABLE|MSR_IA32_APICBASE_EXTD));
    }

    if ( kexecing && (current_local_apic_mode() != apic_boot_mode) )
    {
        uint64_t msr_content;
        rdmsrl(MSR_IA32_APICBASE, msr_content);
        msr_content &= ~(MSR_IA32_APICBASE_ENABLE|MSR_IA32_APICBASE_EXTD);
        wrmsrl(MSR_IA32_APICBASE, msr_content);

        switch ( apic_boot_mode )
        {
        case APIC_MODE_DISABLED:
            break; /* Nothing to do - we did this above */
        case APIC_MODE_XAPIC:
            msr_content |= MSR_IA32_APICBASE_ENABLE;
            wrmsrl(MSR_IA32_APICBASE, msr_content);
            break;
        case APIC_MODE_X2APIC:
            msr_content |= MSR_IA32_APICBASE_ENABLE;
            wrmsrl(MSR_IA32_APICBASE, msr_content);
            msr_content |= MSR_IA32_APICBASE_EXTD;
            wrmsrl(MSR_IA32_APICBASE, msr_content);
            break;
        default:
            printk("Default case when reverting #%d lapic to boot state\n",
                   smp_processor_id());
            break;
        }
    }

}

开发者ID:robhoes，项目名称:xen，代码行数:47，代码来源:apic.c

示例6: disable_local_APIC

void disable_local_APIC(void)
{
    clear_local_APIC();

    /*
     * Disable APIC (implies clearing of registers
     * for 82489DX!).
     */
    apic_write_around(APIC_SPIV,
        apic_read(APIC_SPIV) & ~APIC_SPIV_APIC_ENABLED);

    if (enabled_via_apicbase) {
        uint64_t msr_content;
        rdmsrl(MSR_IA32_APICBASE, msr_content);
        wrmsrl(MSR_IA32_APICBASE, msr_content & ~MSR_IA32_APICBASE_ENABLE);
    }
}

开发者ID:sudkannan，项目名称:xen-hv，代码行数:17，代码来源:apic.c

示例7: init_bsp_APIC

/*
 * An initial setup of the virtual wire mode.
 */
void __init init_bsp_APIC(void)
{
	unsigned long value, ver;

	/*
	 * Don't do the setup now if we have a SMP BIOS as the
	 * through-I/O-APIC virtual wire mode might be active.
	 */
	if (smp_found_config || !cpu_has_apic)
		return;

	value = apic_read(APIC_LVR);
	ver = GET_APIC_VERSION(value);

	/*
	 * Do not trust the local APIC being empty at bootup.
	 */
	clear_local_APIC();

	/*
	 * Enable APIC.
	 */
	value = apic_read(APIC_SPIV);
	value &= ~APIC_VECTOR_MASK;
	value |= APIC_SPIV_APIC_ENABLED;
	
	/* This bit is reserved on P4/Xeon and should be cleared */
	if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && (boot_cpu_data.x86 == 15))
		value &= ~APIC_SPIV_FOCUS_DISABLED;
	else
		value |= APIC_SPIV_FOCUS_DISABLED;
	value |= SPURIOUS_APIC_VECTOR;
	apic_write_around(APIC_SPIV, value);

	/*
	 * Set up the virtual wire mode.
	 */
	apic_write_around(APIC_LVT0, APIC_DM_EXTINT);
	value = APIC_DM_NMI;
	if (!APIC_INTEGRATED(ver))		/* 82489DX */
		value |= APIC_LVT_LEVEL_TRIGGER;
	apic_write_around(APIC_LVT1, value);
}

开发者ID:BackupTheBerlios，项目名称:tuxap，代码行数:46，代码来源:apic.c

示例8: numaq_smp_callin_clear_local_apic

/*
 * Because we use NMIs rather than the INIT-STARTUP sequence to
 * bootstrap the CPUs, the APIC may be in a weird state. Kick it:
 */
static inline void numaq_smp_callin_clear_local_apic(void)
{
	clear_local_APIC();
}

开发者ID:ClarkChen633，项目名称:rtl819x-toolchain，代码行数:8，代码来源:numaq_32.c

注：本文中的clear_local_APIC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。