diff options
Diffstat (limited to 'kernel/inc/constants.h')
| -rw-r--r-- | kernel/inc/constants.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/kernel/inc/constants.h b/kernel/inc/constants.h new file mode 100644 index 0000000..13f47bd --- /dev/null +++ b/kernel/inc/constants.h @@ -0,0 +1,50 @@ +//+---------------------------------------------------------------------------- +// +// File: constants.h +// +// Module: +// +// Synopsis: +// +// Copyright (C) 2003 +// +// Created: sgasch 10 Oct 2003 +// +//+---------------------------------------------------------------------------- + +#ifndef _CONSTANTS_H_ +#define _CONSTANTS_H_ + +// +// Constants +// +#define YES (1) +#define NO (0) +#ifndef TRUE +#define TRUE (YES) +#endif +#ifndef FALSE +#define FALSE (NO) +#endif + +#define NULL ((void *)0) + +#define ASCII_ESC (0x1B) +#define ASCII_BS (0x08) + +#define USER_PRIVILEGE (3) +#define KERNEL_PRIVILEGE (0) + +// +// Device driver constants +// +#define DEVICE_DRIVER_INITIALIZATION (1) +#define DEVICE_IO_CONTROL (2) +#define DEVICE_READ (3) +#define DEVICE_WRITE (4) +#define DEVICE_DETATCH (6) +#define DEVICE_DRIVER_SHUTDOWN (7) + +#endif /* _CONSTANTS_H_ */ + + |