#include <arch/mmio.h>
#include <arch/cpu.h>
#include <cpu/x86/lapic_def.h>
#include <cpu/x86/msr.h>
#include <halt.h>
#include <stdint.h>

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Functions
static __always_inline uint32_t	xapic_read (unsigned int reg)

static __always_inline void	xapic_write (unsigned int reg, uint32_t v)

static __always_inline void	xapic_send_ipi (uint32_t icrlow, uint32_t icrhi)

static __always_inline int	xapic_busy (void)

static __always_inline uint32_t	x2apic_read (unsigned int reg)

static __always_inline void	x2apic_write (unsigned int reg, uint32_t v)

static __always_inline void	x2apic_send_ipi (uint32_t icrlow, uint32_t icrhi)

static __always_inline bool	is_x2apic_mode (void)

static __always_inline uint32_t	lapic_read (unsigned int reg)

static __always_inline void	lapic_write (unsigned int reg, uint32_t v)

static __always_inline void	lapic_update32 (unsigned int reg, uint32_t mask, uint32_t or)

static __always_inline void	lapic_send_ipi (uint32_t icrlow, uint32_t apicid)

static __always_inline int	lapic_busy (void)

static __always_inline unsigned int	initial_lapicid (void)

static __always_inline unsigned int	lapicid (void)

static __always_inline void	lapic_send_ipi_self (uint32_t icrlow)

static __always_inline void	lapic_send_ipi_others (uint32_t icrlow)

static __always_inline void	stop_this_cpu (void)

void	enable_lapic (void)

void	disable_lapic (void)

void	setup_lapic_interrupts (void)

Function Documentation

◆ disable_lapic()

void disable_lapic ( void )

Definition at line 55 of file lapic.c.

References LAPIC_BASE_MSR, LAPIC_BASE_MSR_ENABLE, LAPIC_BASE_MSR_X2APIC_MODE, msr_struct::lo, rdmsr(), and wrmsr().

Referenced by initialize_cpus().

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◆ enable_lapic()

void enable_lapic ( void )

Definition at line 12 of file lapic.c.

References ASSERT, BIOS_INFO, CONFIG, cpu_get_feature_flags_ecx(), CPUID_X2APIC, die(), msr_struct::hi, LAPIC_BASE_MSR, LAPIC_BASE_MSR_ADDR_MASK, LAPIC_BASE_MSR_ENABLE, LAPIC_BASE_MSR_X2APIC_MODE, LAPIC_DEFAULT_BASE, lapicid(), msr_struct::lo, printk, rdmsr(), and wrmsr().

Referenced by ap_bootblock_c_entry(), ap_init(), bootblock_c_entry(), init_bsp(), initialize_cpus(), and secondary_cpu_init().

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◆ initial_lapicid()

static __always_inline unsigned int initial_lapicid ( void )

static

Definition at line 126 of file lapic.h.

References cpuid_ebx(), cpuid_ext(), cpuid_get_max_func(), cpuid_result::edx, is_x2apic_mode(), and lapicid().

Referenced by agesa_state_on_entry(), cpu_add_map_entry(), cpu_index(), intel_ht_sibling(), mca_print_error(), romstage_main(), and update_save_state().

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◆ is_x2apic_mode()

static __always_inline bool is_x2apic_mode ( void )

static

Definition at line 62 of file lapic.h.

References CONFIG, LAPIC_BASE_MSR, LAPIC_BASE_X2APIC_ENABLED, msr_struct::lo, and rdmsr().

Referenced by acpi_madt_irq_overrides(), initial_lapicid(), lapic_busy(), lapic_read(), lapic_send_ipi(), lapic_update32(), lapic_write(), and lapicid().

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◆ lapic_busy()

static __always_inline int lapic_busy ( void )

static

Definition at line 118 of file lapic.h.

References is_x2apic_mode(), and xapic_busy().

Referenced by smm_initiate_relocation_parallel(), wait_for_ipi_completion(), and wait_for_ipi_completion_without_printk().

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◆ lapic_read()

static __always_inline uint32_t lapic_read ( unsigned int reg )

static

Definition at line 75 of file lapic.h.

References is_x2apic_mode(), x2apic_read(), and xapic_read().

Referenced by lapic_start_cpu(), lapicid(), smp_write_processors(), and udelay().

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◆ lapic_send_ipi()

static __always_inline void lapic_send_ipi	(	uint32_t	icrlow,
		uint32_t	apicid
	)

static

Definition at line 110 of file lapic.h.

References is_x2apic_mode(), SET_LAPIC_DEST_FIELD, x2apic_send_ipi(), and xapic_send_ipi().

Referenced by lapic_send_ipi_others(), lapic_send_ipi_self(), and lapic_start_cpu().

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◆ lapic_send_ipi_others()

static __always_inline void lapic_send_ipi_others ( uint32_t icrlow )

static

Definition at line 160 of file lapic.h.

References LAPIC_DEST_ALLBUT, and lapic_send_ipi().

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◆ lapic_send_ipi_self()

static __always_inline void lapic_send_ipi_self ( uint32_t icrlow )

static

Definition at line 146 of file lapic.h.

References CONFIG, cpu_relax(), lapic_send_ipi(), and lapicid().

Referenced by smm_initiate_relocation_parallel(), and stop_this_cpu().

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◆ lapic_update32()

static __always_inline void lapic_update32	(	unsigned int	reg,
		uint32_t	mask,
		uint32_t	or
	)

static

Definition at line 91 of file lapic.h.

References is_x2apic_mode(), msr_struct::lo, mask, rdmsr(), value, wrmsr(), X2APIC_MSR_BASE_ADDRESS, xapic_read(), and xapic_write().

Referenced by setup_lapic_interrupts().

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◆ lapic_write()

static __always_inline void lapic_write	(	unsigned int	reg,
		uint32_t	v
	)

static

Definition at line 83 of file lapic.h.

References is_x2apic_mode(), x2apic_write(), and xapic_write().

Referenced by init_timer(), and lapic_start_cpu().

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◆ lapicid()

static __always_inline unsigned int lapicid ( void )

static

Definition at line 136 of file lapic.h.

References is_x2apic_mode(), LAPIC_ID, and lapic_read().

Referenced by ap_init(), bert_append_genproc(), bert_append_ia32x64(), callout_ap_entry(), enable_lapic(), get_cpu_index(), init_bsp(), initial_lapicid(), initialize_cpus(), lapic_send_ipi_self(), model_2065x_init(), route_i8259_irq0(), smp_write_processors(), stop_this_cpu(), and x86_exception().

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◆ setup_lapic_interrupts()

void setup_lapic_interrupts ( void )

Definition at line 68 of file lapic.c.

References boot_cpu(), LAPIC_DELIVERY_MODE_EXTINT, LAPIC_DELIVERY_MODE_MASK, LAPIC_DELIVERY_MODE_NMI, LAPIC_INPUT_POLARITY, LAPIC_LVT0, LAPIC_LVT1, LAPIC_LVT_LEVEL_TRIGGER, LAPIC_LVT_MASKED, LAPIC_SPIV, LAPIC_SPIV_ENABLE, LAPIC_TASKPRI, LAPIC_TPRI_MASK, lapic_update32(), LAPIC_VECTOR_MASK, and mask.

Referenced by ap_init(), init_bsp(), initialize_cpus(), and secondary_cpu_init().

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◆ stop_this_cpu()

static __always_inline void stop_this_cpu ( void )

static

Definition at line 169 of file lapic.h.

References halt().

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◆ x2apic_read()

static __always_inline uint32_t x2apic_read ( unsigned int reg )

static

Definition at line 32 of file lapic.h.

References msr_struct::lo, rdmsr(), value, and X2APIC_MSR_BASE_ADDRESS.

Referenced by lapic_read().

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◆ x2apic_send_ipi()

static __always_inline void x2apic_send_ipi	(	uint32_t	icrlow,
		uint32_t	icrhi
	)

static

Definition at line 54 of file lapic.h.

References msr_struct::hi, msr_struct::lo, wrmsr(), and X2APIC_MSR_ICR_ADDRESS.

Referenced by lapic_send_ipi().

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◆ x2apic_write()

static __always_inline void x2apic_write	(	unsigned int	reg,
		uint32_t	v
	)

static

Definition at line 43 of file lapic.h.

References msr_struct::hi, msr_struct::lo, wrmsr(), and X2APIC_MSR_BASE_ADDRESS.

Referenced by lapic_write().

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◆ xapic_busy()

static __always_inline int xapic_busy ( void )

static

Definition at line 27 of file lapic.h.

References LAPIC_ICR, LAPIC_ICR_BUSY, and xapic_read().

Referenced by lapic_busy().

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◆ xapic_read()

static __always_inline uint32_t xapic_read ( unsigned int reg )

static

Definition at line 11 of file lapic.h.

References LAPIC_DEFAULT_BASE, and read32().

Referenced by lapic_read(), lapic_update32(), and xapic_busy().

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◆ xapic_send_ipi()

static __always_inline void xapic_send_ipi	(	uint32_t	icrlow,
		uint32_t	icrhi
	)

static

Definition at line 21 of file lapic.h.

References LAPIC_ICR, LAPIC_ICR2, and xapic_write().

Referenced by lapic_send_ipi().

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◆ xapic_write()

static __always_inline void xapic_write	(	unsigned int	reg,
		uint32_t	v
	)

static

Definition at line 16 of file lapic.h.

References LAPIC_DEFAULT_BASE, and write32().

Referenced by lapic_update32(), lapic_write(), and xapic_send_ipi().

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Functions

Function Documentation

◆ disable_lapic()

◆ enable_lapic()

◆ initial_lapicid()

◆ is_x2apic_mode()

◆ lapic_busy()

◆ lapic_read()

◆ lapic_send_ipi()

◆ lapic_send_ipi_others()

◆ lapic_send_ipi_self()

◆ lapic_update32()

◆ lapic_write()

◆ lapicid()

◆ setup_lapic_interrupts()

◆ stop_this_cpu()

◆ x2apic_read()

◆ x2apic_send_ipi()

◆ x2apic_write()

◆ xapic_busy()

◆ xapic_read()

◆ xapic_send_ipi()

◆ xapic_write()