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mop3/kernel/amd64/smp.h
kamkow1 e52268cd8e
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First Hello world syscall
2026-01-03 02:04:09 +01:00

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C

#ifndef _KERNEL_AMD64_SMP_H
#define _KERNEL_AMD64_SMP_H
#include <amd64/gdt.h>
#include <amd64/tss.h>
#include <aux/compiler.h>
#include <libk/std.h>
#include <proc/proc.h>
#define CPUS_MAX 32
struct cpu {
/* for syscall instruction */
uintptr_t syscall_user_stack;
uintptr_t syscall_kernel_stack;
volatile uint8_t kernel_stack[KSTACK_SIZE] ALIGNED (16);
volatile uint8_t except_stack[KSTACK_SIZE] ALIGNED (16);
volatile uint8_t irq_stack[KSTACK_SIZE] ALIGNED (16);
volatile struct gdt_extended gdt ALIGNED (16);
volatile struct tss tss;
uint64_t lapic_ticks;
uint32_t id;
struct {
uint64_t rflags;
atomic_int nesting;
} irq_ctx;
spin_lock_t lock;
struct proc* proc_run_q;
struct proc* proc_current;
} PACKED;
struct cpu* cpu_make (void);
struct cpu* cpu_get (void);
void amd64_thiscpu_set_init (void);
#define thiscpu (cpu_get ())
#endif // _KERNEL_AMD64_SMP_H