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/*
* Copyright (c) 1996, 2001-2003, 2005, Juniper Networks, Inc.
* All rights reserved.
*
* defs.h -- Simple universal types and definitions for use by the microkernel
* Jim Hayes, November 1996
*
* JNPR: defs.h,v 1.3.2.1 2007/09/10 08:16:32 girish
* $FreeBSD$
*/
#ifndef __DEFS_H__
#define __DEFS_H__
/*
* Paranoid compilation. If defined, the PARANOID flag will enable asserts,
* data structure magic stamping and a suite of other debug tools. To disable
* it, comment out its definition.
*/
#define PARANOID
/*
* This is the ONLY place you should see hardware specific information
* encoded as #ifdefs. (Well, except for stdarg.h, perhaps.)
* I apologize in advance!
*/
#include <machine/defs_mips.h>
#define CPU_GOT_ONE
#if !defined(CPU_GOT_ONE)
#error "YOU NEED TO SPECIFY ONE CPU TYPE TO USE THIS FILE"
#endif
#ifdef TRUE
#undef TRUE
#endif
#ifdef FALSE
#undef FALSE
#endif
typedef enum boolean_
{
FALSE = 0,
TRUE = 1
} boolean;
/*
* Make NULL a pointer within the microkernel environment to catch
* pointer semantic miscreants.
*
* The reason it's conditional here is that some of the BSD includes
* define it multiple times as a straight integer and GCC barfs on
* the alternative prototypes.
*/
#ifndef NULL
#define NULL (void *)0
#endif
/*
* Define some standard sized types. (Defined in cpu-specific type files
* included above.)
*/
#define MAX_U8 255
#define MAX_S8 128
#define MIN_S8 -127
#define MAX_U16 0xffff
#define MIN_S16 ((int16_t)(1 << 15))
#define MAX_S16 ((int16_t)~MIN_S16)
#define MAX_U32 0xffffffff
#define MIN_S32 ((int32_t)(1 << 31))
#define MAX_S32 ((int32_t)~MIN_S32)
#define MAX_U64 ((u_int64_t)0 - 1)
#define MAX_S64 ((int64_t)(MAX_U64 >> 1))
#define MIN_S64 (-MAX_S64-1)
/*
* Solaris uses _SIZE_T to mark the fact that "size_t" has already
* been defined. _SYS_TYPES_H_ is used by BSD.
*
*/
#if !defined(_SYS_TYPES_H_) && !defined(_SIZE_T)
typedef UNSIGNED_32 size_t;
#define _SIZE_T
#endif
#if !defined(_SYS_TYPES_H_)
typedef char * caddr_t;
typedef UNSIGNED_8 u_int8_t;
typedef SIGNED_8 int8_t;
typedef UNSIGNED_16 u_int16_t;
typedef SIGNED_16 int16_t;
typedef UNSIGNED_32 u_int32_t;
typedef SIGNED_32 int32_t;
typedef UNSIGNED_64 u_int64_t;
typedef SIGNED_64 int64_t;
typedef UNSIGNED_32 u_long;
typedef UNSIGNED_16 u_short;
typedef UNSIGNED_8 u_char;
/*
* Define the standard terminology used in the diag software
* with regards to bytes, words, etc.
* BYTE = 8 bits
* HWORD (halfword) = 2 bytes or 16 bits
* WORD = 4 bytes or 32 bits
* QUAD = 8 bytes or 64 bits
*
* (The term QUAD seems less-than-intuitive here, but it is
* derived from BSD sources where it is defined as int64_t.)
*
* For consistency use the following defines wherever appropriate.
*/
typedef enum {
NBI_BYTE = (sizeof(u_int8_t) * 8),
NBI_HWORD = (sizeof(u_int16_t) * 8),
NBI_WORD = (sizeof(u_int32_t) * 8),
NBI_QUAD = (sizeof(u_int64_t) * 8)
} num_bits_t;
typedef enum {
NBY_BYTE = sizeof(u_int8_t),
NBY_HWORD = sizeof(u_int16_t),
NBY_WORD = sizeof(u_int32_t),
NBY_QUAD = sizeof(u_int64_t)
} num_bytes_t;
/*
* We assume that pid values are 16 bit integers
*/
typedef u_int16_t pid_t;
#endif /* _SYS_TYPES_H_ */
typedef UNSIGNED_32 magic_t;
typedef int status_t;
#define BITS_IN_BYTE 8
/*
* Packed definition. We use this for fields in network frames where we
* don't want the compiler to pack out to even alignment
*/
#ifdef PACKED
#undef PACKED
#endif
#define PACKED(x) x __attribute__ ((packed))
/*
* __unused is a FreeBSDism that prevents the compiler from choking
* on function parameters that remain unused through the life of a
* function. This is not an issue for the Cygnus toolchain. In general
* it SHOULD NOT BE USED in the martini embedded software repository.
* It should only be used inside of shared code.
*/
#ifndef __unused
#define __unused __attribute__ ((__unused__))
#endif
/*
* Basic memory multiples
*/
#define SIZE_1K 0x00000400
#define SIZE_2K 0x00000800
#define SIZE_4K 0x00001000
#define SIZE_8K 0x00002000
#define SIZE_16K 0x00004000
#define SIZE_32K 0x00008000
#define SIZE_64K 0x00010000
#define SIZE_128K 0x00020000
#define SIZE_256K 0x00040000
#define SIZE_512K 0x00080000
#define SIZE_1M 0x00100000
#define SIZE_2M 0x00200000
#define SIZE_4M 0x00400000
#define SIZE_8M 0x00800000
#define SIZE_16M 0x01000000
#define SIZE_32M 0x02000000
#define SIZE_64M 0x04000000
#define SIZE_128M 0x08000000
#define SIZE_256M 0x10000000
#define SIZE_512M 0x20000000
#define SIZE_1G 0x40000000
#define SIZE_2G 0x80000000
/*
* swap16_inline
* swap32_inline
*
* Byteswap a 16 and 32 bit quantities
*/
static inline u_int16_t
swap16_inline(u_int16_t data)
{
return(((data & 0x00ff) << 8) |
((data & 0xff00) >> 8));
}
static inline u_int32_t
swap32_inline(u_int32_t data)
{
return(((data & 0x000000ff) << 24) |
((data & 0x0000ff00) << 8) |
((data & 0x00ff0000) >> 8) |
((data & 0xff000000) >> 24));
}
/*
* Define errno_t here as it is needed by the rom and ukernel
*/
typedef u_int32_t errno_t;
#define EOK 0
/*
* Define the main communication structure used for passing
* information from the rom to the ukernel (done here as it is
* used by them both)
*/
typedef struct rom_info_ rom_info_t;
/*
* Typedef the return code from the ukernel to the ROM
*/
typedef u_int32_t rom_return_t;
/*
* Pull in the relevant global environment header file
*
* This file is shared by the uKernel and the system simulation effort.
*/
#if defined(ENV_UKERN) || defined (ENV_SYS_SIM)
#include "ukern.h"
#endif /* ENV_UKERN */
#if defined(ENV_ROM)
#include "rom.h"
#endif
#endif /* __DEFS_H__ */
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