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/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
****************************************************************************
* (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
****************************************************************************
*
* File: lib.h
* Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
* Changes:
*
* Date: Aug 2003
*
* Environment: Xen Minimal OS
* Description: Random useful library functions, contains some freebsd stuff
*
****************************************************************************
* $Id: h-insert.h,v 1.4 2002/11/08 16:03:55 rn Exp $
****************************************************************************
*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _LIB_H_
#define _LIB_H_
#include <stdarg.h>
#include <stddef.h>
#include <xen/xen.h>
#include <xen/event_channel.h>
#include <sys/queue.h>
#include "gntmap.h"
#ifdef HAVE_LIBC
#include <stdio.h>
#else
#include <lib-gpl.h>
#endif
#ifdef HAVE_LIBC
#include <string.h>
#else
/* string and memory manipulation */
/*
* From:
* @(#)libkern.h 8.1 (Berkeley) 6/10/93
* $FreeBSD$
*/
int memcmp(const void *b1, const void *b2, size_t len);
char *strcat(char * __restrict, const char * __restrict);
int strcmp(const char *, const char *);
char *strcpy(char * __restrict, const char * __restrict);
char *strdup(const char *__restrict);
size_t strlen(const char *);
int strncmp(const char *, const char *, size_t);
char *strncpy(char * __restrict, const char * __restrict, size_t);
char *strstr(const char *, const char *);
void *memset(void *, int, size_t);
char *strchr(const char *p, int ch);
char *strrchr(const char *p, int ch);
/* From:
* @(#)systm.h 8.7 (Berkeley) 3/29/95
* $FreeBSD$
*/
void *memcpy(void *to, const void *from, size_t len);
size_t strnlen(const char *, size_t);
#endif
#include <mini-os/console.h>
#define RAND_MIX 2654435769U
int rand(void);
#include <mini-os/xenbus.h>
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define ASSERT(x) \
do { \
if (!(x)) { \
printk("ASSERTION FAILED: %s at %s:%d.\n", \
# x , \
__FILE__, \
__LINE__); \
BUG(); \
} \
} while(0)
#define BUG_ON(x) ASSERT(!(x))
/* Consistency check as much as possible. */
void sanity_check(void);
#ifdef HAVE_LIBC
enum fd_type {
FTYPE_NONE = 0,
FTYPE_CONSOLE,
FTYPE_FILE,
FTYPE_XENBUS,
FTYPE_XC,
FTYPE_EVTCHN,
FTYPE_GNTMAP,
FTYPE_SOCKET,
FTYPE_TAP,
FTYPE_BLK,
FTYPE_KBD,
FTYPE_FB,
FTYPE_MEM,
FTYPE_SAVEFILE,
};
LIST_HEAD(evtchn_port_list, evtchn_port_info);
struct evtchn_port_info {
LIST_ENTRY(evtchn_port_info) list;
evtchn_port_t port;
unsigned long pending;
int bound;
};
extern struct file {
enum fd_type type;
union {
struct {
/* lwIP fd */
int fd;
} socket;
struct {
/* FS import fd */
int fd;
off_t offset;
} file;
struct {
struct evtchn_port_list ports;
} evtchn;
struct gntmap gntmap;
struct {
struct netfront_dev *dev;
} tap;
struct {
struct blkfront_dev *dev;
} blk;
struct {
struct kbdfront_dev *dev;
} kbd;
struct {
struct fbfront_dev *dev;
} fb;
struct {
struct consfront_dev *dev;
} cons;
#ifdef CONFIG_XENBUS
struct {
/* To each xenbus FD is associated a queue of watch events for this
* FD. */
xenbus_event_queue events;
} xenbus;
#endif
};
int read; /* maybe available for read */
} files[];
int alloc_fd(enum fd_type type);
void close_all_files(void);
extern struct thread *main_thread;
void sparse(unsigned long data, size_t size);
#endif
#endif /* _LIB_H_ */
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