// This file is part of noxos and licensed under the MIT open source license

#ifndef NOX_SYSCALL_H
#define NOX_SYSCALL_H

#include "platform/cpu.h"
#include "utils/status.h"

typedef enum {
    SYSCALLS_FILES          = 0x00,
    SYSCALLS_MEMORY         = 0x01,
    SYSCALLS_PROC           = 0x02,
    SYSCALLS_DRIVERS        = 0x03,

    SYSCALLS_KERNEL         = 0xFF
}syscall_group_E;

typedef enum {
    SYSCALL_NX_FS_OPEN                  = 0x0001,
    SYSCALL_NX_FS_CLOSE                 = 0x0002,
    SYSCALL_NX_FS_READ                  = 0x0003,
    SYSCALL_NX_FS_WRITE                 = 0x0004,
    SYSCALL_NX_FS_DELETE                = 0x0005,
    SYSCALL_NX_FS_LIST                  = 0x0006,
    SYSCALL_NX_FS_INFO                  = 0x0007,

    SYSCALL_NX_MEM_ALLOC                = 0x0101,
    SYSCALL_NX_MEM_FREE                 = 0x0102,
    SYSCALL_NX_MEM_LABEL                = 0x0103,
    SYSCALL_NX_MEM_UNLABEL              = 0x0104,

    SYSCALL_NX_PROC_CREATE              = 0x0201,
    SYSCALL_NX_PROC_SIGNAL_SEND         = 0x0202,
    SYSCALL_NX_PROC_SIGNAL_SET_HANDLER  = 0x0203,
    SYSCALL_NX_PROC_THREAD_CREATE       = 0x0204,
    SYSCALL_NX_PROC_THREAD_START        = 0x0205,
    SYSCALL_NX_PROC_THREAD_PAUSE        = 0x0206,
    SYSCALL_NX_PROC_THREAD_KILL         = 0x0207,

    SYSCALL_NX_DRV_REGISTER             = 0x0301,

    SYSCALL_NX_KERNEL_SCHEDULER_START   = 0xFF00,
    SYSCALL_NX_KERNEL_PANIC             = 0xFF01
} syscall_E;

typedef enum {
    SYSCALL_NX_MMAP_FLAG_WRITE,
    SYSCALL_NX_MMAP_FLAG_NO_EXEC
} syscall_nx_mmap_flags_E;

extern status_E syscall_perform(syscall_E id, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4);

cpu_state_T* syscall_handle(cpu_state_T* state);

#endif //NOX_SYSCALL_H