cpu.c File Reference

#include <errno.h>
#include <kernel/cpu/cpu.h>
#include <kernel/cpu/gdt.h>
#include <kernel/cpu/idt.h>
#include <kernel/cpu/interrupt.h>
#include <kernel/cpu/ipi.h>
#include <kernel/cpu/simd.h>
#include <kernel/cpu/syscall.h>
#include <kernel/cpu/tss.h>
#include <kernel/drivers/perf.h>
#include <kernel/log/log.h>
#include <kernel/log/panic.h>
#include <kernel/mem/vmm.h>
#include <kernel/sched/sched.h>
#include <kernel/sync/lock.h>
#include <kernel/sync/rwlock.h>
#include <kernel/utils/map.h>
#include <stdatomic.h>
#include <stdint.h>
#include <sys/list.h>

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Functions
void	cpu_init_early (cpu_t *cpu)
	Only initialize the parts of the CPU structure needed for early boot.
void	cpu_init (cpu_t *cpu)
	Initializes the CPU represented by the cpu_t structure.
uint64_t	cpu_handler_register (cpu_func_t func)
	Registers a CPU event handler for all CPUs.
void	cpu_handler_unregister (cpu_func_t func)
	Unregisters a previously registered CPU event handler.
void	cpu_handlers_check (cpu_t *cpu)
	Checks if any handlers have been registered since the last check, and invokes them if so.
void	cpu_stacks_overflow_check (cpu_t *cpu)
	Checks for CPU stack overflows.
static void	cpu_halt_ipi_handler (ipi_func_data_t *data)
uint64_t	cpu_halt_others (void)
	Halts all other CPUs.
uintptr_t	cpu_interrupt_stack_top (cpu_t *cpu)
	Gets the top of the interrupt stack for a CPU.

Variables
cpu_t *	_cpus [CPU_MAX] = {0}
	Array of pointers to cpu_t structures for each CPU, indexed by CPU ID.
uint16_t	_cpuAmount = 0
	The number of CPUs currently identified.
static cpu_handler_t	eventHandlers [CPU_MAX_EVENT_HANDLERS] = {0}
static uint64_t	eventHandlerCount = 0
static lock_t	eventHandlerLock = LOCK_CREATE()

Function Documentation

cpu_halt_ipi_handler()

static void cpu_halt_ipi_handler ( ipi_func_data_t *  data )

static

Definition at line 213 of file cpu.c.

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Variable Documentation

eventHandlers

cpu_handler_t eventHandlers[CPU_MAX_EVENT_HANDLERS] = {0}

static

Definition at line 26 of file cpu.c.

eventHandlerCount

uint64_t eventHandlerCount = 0

static

Definition at line 27 of file cpu.c.

eventHandlerLock

lock_t eventHandlerLock = LOCK_CREATE()

static

Definition at line 28 of file cpu.c.