task.h

#include "types.h"

// Saved CPU state for thread context switching
typedef struct {
 uint64_t rax, rbx, rcx, rdx, rsi, rdi, rbp, rsp;
 uint64_t r8, r9, r10, r11, r12, r13, r14, r15;
 uint64_t rip; // Instruction Pointer
 uint64_t rflags; // CPU Flags
 uint64_t cr3; // Page Table Pointer (Process Memory Isolation)
} __attribute__((packed)) cpu_context_t;

typedef struct task {
 uint32_t id;
 uint32_t state; // 0 = Ready, 1 = Running, 2 = Blocked
 cpu_context_t context;
 struct task* next;
} task_t;t