cpu_t Struct Reference

CPU structure. More...

#include <cpu.h>

Public Member Functions
uint8_t exceptionStackBuffer[CONFIG_INTERRUPT_STACK_PAGES *PAGE_SIZE]	ALIGNED (PAGE_SIZE)
uint8_t doubleFaultStackBuffer[CONFIG_INTERRUPT_STACK_PAGES *PAGE_SIZE]	ALIGNED (PAGE_SIZE)
uint8_t interruptStackBuffer[CONFIG_INTERRUPT_STACK_PAGES *PAGE_SIZE]	ALIGNED (PAGE_SIZE)

Data Fields
cpuid_t	id
lapic_id_t	lapicId
tss_t	tss
vmm_cpu_ctx_t	vmm
interrupt_ctx_t	interrupt
statistics_cpu_ctx_t	stat
timer_ctx_t	timer
wait_cpu_ctx_t	wait
sched_cpu_ctx_t	sched
rand_cpu_ctx_t	rand
stack_pointer_t	exceptionStack
stack_pointer_t	doubleFaultStack
stack_pointer_t	interruptStack

Detailed Description

CPU structure.

We allocate the stack buffers inside the cpu_t structure to avoid memory allocation during early boot.

Must be stored aligned to a page boundary.

Definition at line 41 of file cpu.h.

Member Function Documentation

ALIGNED() [1/3]

uint8_t exceptionStackBuffer[CONFIG_INTERRUPT_STACK_PAGES *PAGE_SIZE] cpu_t::ALIGNED

(

PAGE_SIZE

)

ALIGNED() [2/3]

uint8_t doubleFaultStackBuffer[CONFIG_INTERRUPT_STACK_PAGES *PAGE_SIZE] cpu_t::ALIGNED

(

PAGE_SIZE

)

ALIGNED() [3/3]

uint8_t interruptStackBuffer[CONFIG_INTERRUPT_STACK_PAGES *PAGE_SIZE] cpu_t::ALIGNED

(

PAGE_SIZE

)

Field Documentation

doubleFaultStack

stack_pointer_t cpu_t::doubleFaultStack

Definition at line 54 of file cpu.h.

Referenced by cpu_init(), and cpu_stacks_overflow_check().

exceptionStack

stack_pointer_t cpu_t::exceptionStack

Definition at line 53 of file cpu.h.

Referenced by cpu_init(), and cpu_stacks_overflow_check().

id

cpuid_t cpu_t::id

Definition at line 43 of file cpu.h.

Referenced by cpu_init(), cpu_stacks_overflow_check(), ioapic_set_redirect(), log_print_header(), panic(), sched_cpu_ctx_init(), sched_done_with_boot_thread(), sched_get_neighbor(), smp_halt_others(), space_tlb_shootdown(), statistics_cpu_read(), timer_ctx_init(), vmm_cpu_ctx_init(), and vmm_init().

interrupt

interrupt_ctx_t cpu_t::interrupt

Definition at line 47 of file cpu.h.

Referenced by cpu_init(), interrupt_disable(), interrupt_enable(), and interrupt_handler().

interruptStack

stack_pointer_t cpu_t::interruptStack

Definition at line 55 of file cpu.h.

Referenced by cpu_init(), and cpu_stacks_overflow_check().

lapicId

lapic_id_t cpu_t::lapicId

Definition at line 44 of file cpu.h.

Referenced by cpu_init(), ioapic_set_redirect(), space_tlb_shootdown(), and timer_notify().

rand

rand_cpu_ctx_t cpu_t::rand

Definition at line 52 of file cpu.h.

Referenced by rand_gen().

sched

sched_cpu_ctx_t cpu_t::sched

Definition at line 51 of file cpu.h.

Referenced by cpu_init(), init_early(), panic(), sched_done_with_boot_thread(), sched_find_least_loaded_cpu(), sched_invoke(), sched_is_idle(), sched_load_balance(), sched_push(), sched_push_new_thread(), sched_should_notify(), sched_thread(), sched_thread_unsafe(), sched_yield(), wait_block_cancel(), wait_block_commit(), and wait_block_setup().

stat

statistics_cpu_ctx_t cpu_t::stat

Definition at line 48 of file cpu.h.

Referenced by cpu_init(), statistics_cpu_read(), statistics_interrupt_begin(), and statistics_interrupt_end().

timer

timer_ctx_t cpu_t::timer

Definition at line 49 of file cpu.h.

Referenced by cpu_init(), sched_cpu_ctx_init(), timer_ctx_init(), timer_interrupt_handler(), timer_one_shot(), and wait_cpu_ctx_init().

tss

tss_t cpu_t::tss

Definition at line 45 of file cpu.h.

Referenced by cpu_init().

vmm

vmm_cpu_ctx_t cpu_t::vmm

Definition at line 46 of file cpu.h.

Referenced by cpu_init(), space_load(), space_tlb_shootdown(), vmm_init(), and vmm_shootdown_handler().

wait

wait_cpu_ctx_t cpu_t::wait

Definition at line 50 of file cpu.h.

Referenced by cpu_init(), wait_block_finalize(), and wait_timer_handler().

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The documentation for this struct was generated from the following file:

• include/kernel/cpu/cpu.h