kernel/inc/platform/syscall.h

// 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_PROCESS        = 0x02,
    SYSCALLS_DRIVER         = 0x03,
    SYSCALLS_RUNTIME_LINKER = 0x04,
    SYSCALLS_COMPATABILITY  = 0x05,

    SYSCALLS_KERNEL         = 0xFF
}syscall_group_E;

typedef enum {
    SYSCALL_FILES_OPEN                      = 0x0001,
    SYSCALL_FILES_CLOSE                     = 0x0002,
    SYSCALL_FILES_READ                      = 0x0003,
    SYSCALL_FILES_WRITE                     = 0x0004,
    SYSCALL_FILES_DELETE                    = 0x0005,
    SYSCALL_FILES_LIST                      = 0x0006,
    SYSCALL_FILES_INFO                      = 0x0007,

    SYSCALL_MEMORY_MAP                      = 0x0101,
    SYSCALL_MEMORY_UNMAP                    = 0x0102,
    SYSCALL_MEMORY_LABEL                    = 0x0103,
    SYSCALL_MEMORY_RANGE                    = 0x0104,
    SYSCALL_MEMORY_ACCESS                   = 0x0105,

    SYSCALL_PROCESS_CREATE                  = 0x0201,
    SYSCALL_PROCESS_ENV                     = 0x0202,
    SYSCALL_PROCESS_SIGNAL                  = 0x0203,
    SYSCALL_PROCESS_THREAD_CREATE           = 0x0204,
    SYSCALL_PROCESS_THREAD_START            = 0x0205,
    SYSCALL_PROCESS_THREAD_PAUSE            = 0x0206,
    SYSCALL_PROCESS_THREAD_KILL             = 0x0207,
    
    SYSCALL_DRIVER_REGISTER                 = 0x0301,
    SYSCALL_DRIVER_CREATE_COMMAND_BUFFER    = 0x0302,
    SYSCALL_DRIVER_FLUSH_COMMAND_BUFFER     = 0x0303,
    
    SYSCALL_RUNTIME_LINKER_OPEN             = 0x7f01,
    SYSCALL_RUNTIME_LINKER_CLOSE            = 0x7f02,
    SYSCALL_RUNTIME_LINKER_LOAD_SYMBOL      = 0x7f03,
    SYSCALL_RUNTIME_LINKER_STATUS           = 0x7f04,
    SYSCALL_RUNTIME_LINKER_STANDARD_MOD     = 0x7f05,

    SYSCALL_COMPATABILITY_ABI_TYPE          = 0x0501,
    SYSCALL_COMPATABILITY_ABI_VERSION       = 0x0502,
    SYSCALL_COMPATABILITY_ACTION            = 0x0503,

    SYSCALL_KERNEL_SCHEDULER_START          = 0xFF00,
    SYSCALL_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