alexvoste
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
#ifndef SMP_H
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#define SMP_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <limine.h>
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#define AP_STACK_SIZE 16384
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#define MAX_CPUS 256
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#define MAX_TLB_ADDRESSES 32
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typedef struct {
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volatile bool pending;
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uintptr_t addresses[MAX_TLB_ADDRESSES];
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size_t count;
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} tlb_shootdown_t;
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extern tlb_shootdown_t tlb_shootdown_queue[MAX_CPUS];
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typedef enum {
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CPU_UNINITIALIZED = 0,
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CPU_BOOTED,
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CPU_ONLINE,
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CPU_OFFLINE,
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CPU_FAULTED
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} cpu_state_t;
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typedef struct {
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uint32_t lapic_id;
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uint32_t processor_id;
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uint32_t acpi_id;
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cpu_state_t state;
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bool is_bsp;
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uint64_t stack_top;
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uint32_t cpu_index;
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uint16_t tss_selector;
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} cpu_info_t;
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typedef struct {
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uint32_t cpu_count;
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uint32_t online_count;
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uint32_t bsp_lapic_id;
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uint64_t lapic_base;
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cpu_info_t cpus[256];
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} smp_info_t;
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void smp_init(struct limine_mp_response* mp_response);
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void smp_boot_aps(struct limine_mp_response* mp_response);
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smp_info_t* smp_get_info(void);
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cpu_info_t* smp_get_current_cpu(void);
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uint32_t smp_get_cpu_count(void);
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uint32_t smp_get_online_count(void);
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bool smp_is_bsp(void);
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void smp_print_info(void);
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void smp_print_info_fb(void);
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void smp_wait_for_ready(void);
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void ap_entry_point(struct limine_mp_info* cpu_info);
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void sched_notify_ready(void);
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#endif |