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          = 0x01,
    SYSCALLS_MEMORY         = 0x02,
    SYSCALLS_PROC           = 0x03,
    SYSCALLS_RUNTIME_LINKER = 0x04,
    SYSCALLS_COMPATABILITY  = 0x05,

    SYSCALLS_KERNEL         = 0xFF
}syscall_group_E;

typedef enum {
    SYSCALL_FILES_OPEN                  = 0x0101,
    SYSCALL_FILES_CLOSE                 = 0x0102,
    SYSCALL_FILES_READ                  = 0x0103,
    SYSCALL_FILES_WRITE                 = 0x0104,
    SYSCALL_FILES_DELETE                = 0x0105,
    SYSCALL_FILES_LIST                  = 0x0106,
    SYSCALL_FILES_FOLLOW                = 0x0107,   // Warning: nx_follow will probably be kicked out of the ABI
    SYSCALL_FILES_INFO                  = 0x0108,

    SYSCALL_MEMORY_MAP                  = 0x0201,
    SYSCALL_MEMORY_UNMAP                = 0x0202,
    SYSCALL_MEMORY_LABEL                = 0x0203,
    SYSCALL_MEMORY_RANGE                = 0x0204,
    SYSCALL_MEMORY_ACCESS               = 0x0205,

    SYSCALL_PROCESS_CREATE              = 0x0301,
    SYSCALL_PROCESS_ENVFILE             = 0x0302,
    SYSCALL_PROCESS_START               = 0x0303,
    SYSCALL_PROCESS_SIGNAL              = 0x0304,

    SYSCALL_RUNTIME_LINKER_OPEN         = 0x0401,
    SYSCALL_RUNTIME_LINKER_CLOSE        = 0x0402,
    SYSCALL_RUNTIME_LINKER_LOAD_SYMBOL  = 0x0403,
    SYSCALL_RUNTIME_LINKER_STATUS       = 0x0404,
    SYSCALL_RUNTIME_LINKER_STANDARD_MOD = 0x0405,

    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