fx_port.h
来自「ZORAN 962/966 SOURCE CODE,DVD chip」· C头文件 代码 · 共 259 行
H
259 行
/**************************************************************************/
/* */
/* Copyright (c) 1996-2002 by Express Logic Inc. */
/* */
/* This software is copyrighted by and is the sole property of Express */
/* Logic, Inc. All rights, title, ownership, or other interests */
/* in the software remain the property of Express Logic, Inc. This */
/* software may only be used in accordance with the corresponding */
/* license agreement. Any unauthorized use, duplication, transmission, */
/* distribution, or disclosure of this software is expressly forbidden. */
/* */
/* This Copyright notice may not be removed or modified without prior */
/* written consent of Express Logic, Inc. */
/* */
/* Express Logic, Inc. reserves the right to modify this software */
/* without notice. */
/* */
/* Express Logic, Inc. info@expresslogic.com */
/* 11423 West Bernardo Court http://www.expresslogic.com */
/* San Diego, CA 92127 */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** FileX Component */
/** */
/** Port Specific */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* PORT SPECIFIC C INFORMATION RELEASE */
/* */
/* fx_port.h LX4180/Green Hills */
/* 3.0 */
/* */
/* AUTHOR */
/* */
/* William E. Lamie, Express Logic, Inc. */
/* */
/* DESCRIPTION */
/* */
/* This file contains data type definitions that make the FileX MS-DOS */
/* compatible file system function identically on a variety of */
/* different processor architectures. For example, the byte offset of */
/* various entries in the boot record, and directory entries are */
/* defined in this file. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 01-28-2001 William E. Lamie Initial LX4180/Green Hills */
/* Support Version 2.0 */
/* 03-01-2002 William E. Lamie Modified comment(s), added */
/* FAT32 constants, and */
/* changed version string, */
/* resulting in version 3.0. */
/* */
/**************************************************************************/
#ifndef FX_PORT
#define FX_PORT
#include "Include\sysdefs.h"
/* Definitions of types used throughout the FileX lib */
#define USHORT UINT16
#define UCHAR_PTR PBYTE
#define CHAR_PTR LPSTR
#define UCHAR BYTE
#define PCHAR LPSTR
#define VOID void
#define PULONG ULONG*
/*
#define FX_NO_LOCAL_PATH
#define FX_NO_TIMER
*/
/* Define various constants for the port. */
/**************************************************************************/
/* */
/* Define constants for the MS-DOS master boot record, */
/* which is defined as follows: */
/* */
/* Byte Offset Meaning Size */
/* */
/* 0x000 Reserved 446 */
/* 0x1BE Boot indicator 0 1 */
/* 0x1BF Start CHS 0 3 */
/* 0x1C2 Partition type 0 1 */
/* 0x1C3 End CHS 0 3 */
/* 0x1C6 Partition start 0 4 */
/* 0x1CA Partition size 0 4 */
/* 0x1CE Boot indicator 1 1 */
/* 0x1CF Start CHS 1 3 */
/* 0x1D2 Partition type 1 1 */
/* 0x1D3 End CHS 1 3 */
/* 0x1D6 Partition start 1 4 */
/* 0x1DA Partition size 1 4 */
/* 0x1DE Boot indicator 2 1 */
/* 0x1DF Start CHS 2 3 */
/* 0x1E2 Partition type 2 1 */
/* 0x1E3 End CHS 2 3 */
/* 0x1E6 Partition start 2 4 */
/* 0x1EA Partition size 2 4 */
/* 0x1EE Boot indicator 3 1 */
/* 0x1EF Start CHS 3 3 */
/* 0x1F2 Partition type 3 1 */
/* 0x1F3 End CHS 3 3 */
/* 0x1F6 Partition start 3 4 */
/* 0x1FA Partition size 3 4 */
/* 0x1FE Signature (0x55aa) 2 */
/* */
/**************************************************************************/
#define FX_JUMP_INSTR 0x000
#define FX_OEM_NAME 0x003
#define FX_BYTES_SECTOR 0x00B
#define FX_SECTORS_CLUSTER 0x00D
#define FX_RESERVED_SECTORS 0x00E
#define FX_NUMBER_OF_FATS 0x010
#define FX_ROOT_DIR_ENTRIES 0x011
#define FX_SECTORS 0x013
#define FX_MEDIA_TYPE 0x015
#define FX_SECTORS_PER_FAT 0x016
#define FX_SECTORS_PER_TRK 0x018
#define FX_HEADS 0x01A
#define FX_HIDDEN_SECTORS 0x01C
#define FX_HUGE_SECTORS 0x020
#define FX_DRIVE_NUMBER 0x024
#define FX_RESERVED 0x025
#define FX_BOOT_SIG 0x026
#define FX_VOLUME_ID 0x027
#define FX_VOLUME_LABEL 0x02B
#define FX_FILE_SYSTEM_TYPE 0x036
#define FX_SIG_OFFSET 0x1FE
#define FX_ROOT_CLUS_32 0x02C
#define FX_SECTORS_PER_FAT_32 0x024
#define FX_SIG_BYTE_1 0x55
#define FX_SIG_BYTE_2 0xAA
#define FX_PARTITION_SIG_OFFSET 0x1FE
/**************************************************************************/
/* */
/* Define constants for the MS-DOS boot record, */
/* which is defined as follows: */
/* */
/* Byte Offset Meaning Size */
/* */
/* 0x000 Jump Instructions 3 */
/* 0x003 OEM Name 8 */
/* 0x00B Bytes per Sector 2 */
/* 0x00D Sectors per Cluster 1 */
/* 0x00E Reserved Sectors 2 */
/* 0x010 Number of FATs 1 */
/* 0x011 Max Root Dir Entries 2 */
/* 0x013 Number of Sectors 2 */
/* 0x015 Media Type 1 */
/* 0x016 Sectors per FAT 2 */
/* 0x018 Sectors per Track 2 */
/* 0x01A Number of Heads 2 */
/* 0x01C Hidden Sectors 4 */
/* 0x020 Huge Sectors 4 */
/* 0x024 Drive Number 1 */
/* 0x025 Reserved 1 */
/* 0x026 Boot Signature 1 */
/* 0x027 Volume ID 4 */
/* 0x02B Volume Label 11 */
/* 0x036 File System Type 8 */
/* ... ... ... */
/* 0x1FE Signature (0x55aa) 2 */
/* */
/**************************************************************************/
/* Define FAT constants. */
#define FX_MAX_12BIT_CLUST 0x0FF0
#define FX_SIGN_EXTEND 0xF000
/* Define FileX internal protection macros. If FX_SINGLE_THREAD is defined,
these protection macros are effectively disabled. However, for non-single
threaded uses, the macros are setup to utilize ThreadX semaphores for
multiple thread access control into an open media. */
#ifdef FX_SINGLE_THREAD
#define FX_PROTECT
#define FX_UNPROTECT
#else
#define FX_PROTECT os_semaphore_obtain(&(media_ptr -> fx_media_protect),1);
#define FX_UNPROTECT os_semaphore_release(&(media_ptr -> fx_media_protect));
#endif
#ifndef WIN32
/* Define interrupt lockout constructs to protect the system date/time from being updated
while they are being read. */
#define FX_INT_SAVE_AREA unsigned int old_interrupt_posture;
#define FX_DISABLE_INTS
#define FX_RESTORE_INTS
/* Define the error checking logic to determine if there is a caller error in the FileX API.
The default definitions assume ThreadX is being used. This code can be completely turned
off by just defining these macros to white space. */
#define FX_CALLER_CHECKING_EXTERNS
#define FX_CALLER_CHECKING_CODE
#else
/* Define interrupt lockout constructs to protect the system date/time from being updated
while they are being read. */
#define FX_INT_SAVE_AREA
#define FX_DISABLE_INTS
#define FX_RESTORE_INTS
/* Define the error checking logic to determine if there is a caller error in the FileX API.
The default definitions assume ThreadX is being used. This code can be completely turned
off by just defining these macros to white space. */
#define FX_CALLER_CHECKING_EXTERNS
#define FX_CALLER_CHECKING_CODE
#endif
/* Define the update rate of the system timer. These values may also be defined at the command
line when compiling the fx_si.c module in the FileX library build. Alternatively, they can
be modified in this file. Note: the update rate must be an even number of seconds greater
than or equal to 2, which is the minimal update rate for MS-DOS time. */
#ifndef FX_UPDATE_RATE_IN_SECONDS
#define FX_UPDATE_RATE_IN_SECONDS 10 /* Update time at 10 second intervals */
#endif
#ifndef FX_UPDATE_RATE_IN_TICKS
#define FX_UPDATE_RATE_IN_TICKS 180 /* Same update rate, but in ticks */
#endif
#endif
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?