osd-contiki/platform/native/cfs-coffee-arch.h
nvt-se 1e0ca9ceac Made the use of micro logs configurable to make file modifications
more efficient on storage types that support inline updates.

The sky platform uses logs, and the native platform uses no logs.
2009-06-29 13:30:16 +00:00

81 lines
2.9 KiB
C

/*
* Copyright (c) 2008, Swedish Institute of Computer Science
* 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.
* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* Coffee architecture-dependent header for the native platform.
* \author
* Nicolas Tsiftes <nvt@sics.se>
*/
#ifndef CFS_COFFEE_ARCH_H
#define CFS_COFFEE_ARCH_H
#include "contiki-conf.h"
#include "dev/xmem.h"
#define COFFEE_SECTOR_SIZE 65536UL
#define COFFEE_PAGE_SIZE 256UL
#define COFFEE_START 0
#define COFFEE_SIZE ((1024UL * 1024UL) - COFFEE_START)
#define COFFEE_NAME_LENGTH 16
#define COFFEE_DYN_SIZE 16384
#define COFFEE_MAX_OPEN_FILES 6
#define COFFEE_FD_SET_SIZE 8
#define COFFEE_LOG_DIVISOR 4
#define COFFEE_LOG_SIZE 8192
#define COFFEE_LOG_TABLE_LIMIT 256
#define COFFEE_DIR_CACHE_ENTRIES 16
#define COFFEE_MICRO_LOGS 0
#define COFFEE_WRITE(buf, size, offset) \
xmem_pwrite((char *)(buf), (size), COFFEE_START + (offset))
#define COFFEE_READ(buf, size, offset) \
xmem_pread((char *)(buf), (size), COFFEE_START + (offset))
#define COFFEE_ERASE(sector) \
xmem_erase(COFFEE_SECTOR_SIZE, COFFEE_START + (sector) * COFFEE_SECTOR_SIZE)
#define READ_HEADER(hdr, page) \
COFFEE_READ((hdr), sizeof (*hdr), (page) * COFFEE_PAGE_SIZE)
#define WRITE_HEADER(hdr, page) \
COFFEE_WRITE((hdr), sizeof (*hdr), (page) * COFFEE_PAGE_SIZE)
/* Coffee types. */
typedef int16_t coffee_page_t;
typedef int32_t coffee_offset_t;
#endif /* !COFFEE_ARCH_H */