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- added missing files for last commit 

git-svn-id: svn://svn.berlios.de/openocd/trunk@133 b42882b7-edfa-0310-969c-e2dbd0fdcd60
tags/v0.1.0
drath 17 years ago
parent
cb58279653
commit
9b13ffe4e2
2 changed files with 670 additions and 0 deletions
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  1. +544
    -0
      src/helper/fileio.c
  2. +126
    -0
      src/helper/fileio.h

+ 544
- 0
src/helper/fileio.c View File

@@ -0,0 +1,544 @@
/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "types.h"
#include "replacements.h"
#include "log.h"

#include "fileio.h"

#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <ctype.h>

int fileio_close(fileio_t *fileio);
int fileio_dispatch_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read);

int fileio_open_local(fileio_t *fileio)
{
fileio_local_t *fileio_local = malloc(sizeof(fileio_local_t));
char access[4];
fileio->location_private = fileio_local;
if ((fileio->access != FILEIO_WRITE) && (fileio->access != FILEIO_READWRITE))
{
if (stat(fileio->url, &fileio_local->file_stat) == -1)
{
free(fileio_local);
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING,
"couldn't stat() %s: %s", fileio->url, strerror(errno));
return ERROR_FILEIO_NOT_FOUND;
}
if (S_ISDIR(fileio_local->file_stat.st_mode))
{
free(fileio_local);
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "%s is a directory", fileio->url);
return ERROR_FILEIO_NOT_FOUND;
}
}
switch (fileio->access)
{
case FILEIO_READ:
strcpy(access, "r");
break;
case FILEIO_WRITE:
strcpy(access, "w");
break;
case FILEIO_READWRITE:
strcpy(access, "w+");
break;
case FILEIO_APPEND:
strcpy(access, "a");
break;
case FILEIO_APPENDREAD:
strcpy(access, "a+");
break;
default:
free(fileio_local);
ERROR("BUG: access neither read, write nor readwrite");
return ERROR_INVALID_ARGUMENTS;
}
if (fileio->access == FILEIO_READ)
{
if (fileio_local->file_stat.st_size == 0)
{
/* tried to open an empty file for reading */
free(fileio_local);
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "empty file %s", fileio->url);
return ERROR_FILEIO_OPERATION_FAILED;
}
}
if (fileio->pri_type == FILEIO_IMAGE)
strcat(access, "b");
if (!(fileio_local->file = fopen(fileio->url, access)))
{
free(fileio_local);
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "couldn't open %s", fileio->url);
return ERROR_FILEIO_OPERATION_FAILED;
}
if ((fileio->access != FILEIO_WRITE) || (fileio->access == FILEIO_READWRITE))
{
fileio->size = fileio_local->file_stat.st_size;
}
else
{
fileio->size = 0x0;
}
return ERROR_OK;
}

//#ifdef FILEIO_BUFFER_COMPLETE_IHEX
int fileio_ihex_buffer_complete(fileio_t *fileio)
{
fileio_image_t *image = fileio->pri_type_private;
fileio_ihex_t *ihex = fileio->sec_type_private;
u32 raw_bytes_read, raw_bytes;
int retval;
u32 full_address = image->base_address;
char *buffer = malloc(ihex->raw_size);
u32 cooked_bytes = 0x0;
ihex->raw_size = fileio->size;
ihex->buffer = malloc(ihex->raw_size >> 1);
if ((retval = fileio_dispatch_read(fileio, ihex->raw_size, (u8*)buffer, &raw_bytes_read)) != ERROR_OK)
{
free(buffer);
ERROR("failed buffering IHEX file, read failed");
return ERROR_FILEIO_OPERATION_FAILED;
}
if (raw_bytes_read != ihex->raw_size)
{
free(buffer);
ERROR("failed buffering complete IHEX file, only partially read");
return ERROR_FILEIO_OPERATION_FAILED;
}
raw_bytes = 0x0;
while (raw_bytes < raw_bytes_read)
{
u32 count;
u32 address;
u32 record_type;
u32 checksum;
if (sscanf(&buffer[raw_bytes], ":%2x%4x%2x", &count, &address, &record_type) != 3)
{
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "invalid IHEX record");
return ERROR_FILEIO_OPERATION_FAILED;
}
raw_bytes += 9;
if (record_type == 0)
{
if ((full_address & 0xffff) != address)
{
free(buffer);
ERROR("can't handle non-linear IHEX file");
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "can't handle non-linear IHEX file");
return ERROR_FILEIO_OPERATION_FAILED;
}
while (count-- > 0)
{
sscanf(&buffer[raw_bytes], "%2hhx", &ihex->buffer[cooked_bytes]);
raw_bytes += 2;
cooked_bytes += 1;
full_address++;
}
}
else if (record_type == 1)
{
free(buffer);
fileio->size = cooked_bytes;
return ERROR_OK;
}
else if (record_type == 4)
{
u16 upper_address;
sscanf(&buffer[raw_bytes], "%4hx", &upper_address);
raw_bytes += 4;
if ((full_address >> 16) != upper_address)
{
free(buffer);
ERROR("can't handle non-linear IHEX file");
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "can't handle non-linear IHEX file");
return ERROR_FILEIO_OPERATION_FAILED;
}
}
else if (record_type == 5)
{
u32 start_address;
sscanf(&buffer[raw_bytes], "%8x", &start_address);
raw_bytes += 8;
image->has_start_address = 1;
image->start_address = be_to_h_u32((u8*)&start_address);
}
else
{
free(buffer);
ERROR("unhandled IHEX record type: %i", record_type);
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "unhandled IHEX record type: %i", record_type);
return ERROR_FILEIO_OPERATION_FAILED;
}
sscanf(&buffer[raw_bytes], "%2x", &checksum);
raw_bytes += 2;
/* consume new-line character(s) */
if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
raw_bytes++;

if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
raw_bytes++;
}

free(buffer);
ERROR("premature end of IHEX file, no end-of-file record found");
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "premature end of IHEX file, no end-of-file record found");
return ERROR_FILEIO_OPERATION_FAILED;
}
//#endif

int fileio_open(fileio_t *fileio, char *url, enum fileio_access access,
enum fileio_pri_type pri_type, void *pri_info, enum fileio_sec_type sec_type)
{
int retval = ERROR_OK;
if ((!url) || (strlen(url) < 3))
{
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "invalid file url");
return ERROR_INVALID_ARGUMENTS;
}
if ((url[0] == '/') || (isalpha(url[0])) || ((url[1] == ':') && (url[2] == '\\')))
{
fileio->location = FILEIO_LOCAL;
}
else
{
ERROR("couldn't identify resource location from URL '%s'", url);
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "couldn't identify resource location from URL '%s'", url);
return ERROR_FILEIO_LOCATION_UNKNOWN;
}
fileio->access = access;
fileio->pri_type = pri_type;
fileio->sec_type = sec_type;
fileio->url = strdup(url);
switch (fileio->location)
{
case FILEIO_LOCAL:
retval = fileio_open_local(fileio);
break;
default:
ERROR("BUG: should never get here");
exit(-1);
}
if (retval != ERROR_OK)
return retval;
if (fileio->pri_type == FILEIO_TEXT)
{
/* do nothing for now */
return ERROR_OK;
}
else if (fileio->pri_type == FILEIO_IMAGE)
{
fileio_image_t *image = malloc(sizeof(fileio_image_t));
fileio_image_t *image_info = pri_info;
fileio->pri_type_private = image;
*image = *image_info;
if (fileio->sec_type == FILEIO_PLAIN)
{
fileio->sec_type_private = NULL;
}
else if (fileio->sec_type == FILEIO_IHEX)
{
fileio_ihex_t *fileio_ihex;
if (fileio->access != FILEIO_READ)
{
ERROR("can't write/append to a IHEX file");
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "can't write/append to a IHEX file");
fileio_close(fileio);
return ERROR_FILEIO_OPERATION_FAILED;
}
fileio_ihex = malloc(sizeof(fileio_ihex_t));
fileio->sec_type_private = fileio_ihex;
fileio_ihex->position = 0;
fileio_ihex->raw_size = fileio->size;
#ifdef FILEIO_BUFFER_COMPLETE_IHEX
if (fileio_ihex_buffer_complete(fileio) != ERROR_OK)
{
fileio_close(fileio);
return ERROR_FILEIO_OPERATION_FAILED;
}
#endif
}
}
return ERROR_OK;
}

int fileio_close_local(fileio_t *fileio)
{
int retval;
fileio_local_t *fileio_local = fileio->location_private;
if ((retval = fclose(fileio_local->file)) != 0)
{
if (retval == EBADF)
{
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "BUG: fileio_local->file not a valid file descriptor");
}
else
{
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "couldn't close %s: %s", fileio->url, strerror(errno));
}

return ERROR_FILEIO_OPERATION_FAILED;
}
free(fileio->location_private);
return ERROR_OK;
}

int fileio_close(fileio_t *fileio)
{
int retval;
switch (fileio->location)
{
case FILEIO_LOCAL:
retval = fileio_close_local(fileio);
break;
default:
ERROR("BUG: should never get here");
}
if (retval != ERROR_OK)
return retval;
free(fileio->url);
if (fileio->pri_type == FILEIO_TEXT)
{
/* do nothing for now */
}
else if (fileio->pri_type == FILEIO_IMAGE)
{
if (fileio->sec_type == FILEIO_PLAIN)
{
/* nothing special to do for plain binary */
}
else if (fileio->sec_type == FILEIO_IHEX)
{
fileio_ihex_t *fileio_ihex = fileio->sec_type_private;
if (fileio_ihex->buffer)
free(fileio_ihex->buffer);
free(fileio->sec_type_private);
}
free(fileio->pri_type_private);
}
return ERROR_OK;
}

int fileio_seek_local(fileio_t *fileio, u32 position)
{
int retval;
fileio_local_t *fileio_local = fileio->location_private;
if ((retval = fseek(fileio_local->file, position, SEEK_SET)) != 0)
{
snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "couldn't seek file %s: %s", fileio->url, strerror(errno));
return ERROR_FILEIO_OPERATION_FAILED;
}
return ERROR_OK;
}

int fileio_seek(fileio_t *fileio, u32 position)
{
switch (fileio->location)
{
case FILEIO_LOCAL:
return fileio_seek_local(fileio, position);
break;
default:
ERROR("BUG: should never get here");
}
return ERROR_OK;
}

int fileio_local_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
{
fileio_local_t *fileio_local = fileio->location_private;
*size_read = fread(buffer, 1, size, fileio_local->file);
return ERROR_OK;
}

int fileio_dispatch_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
{
switch (fileio->location)
{
case FILEIO_LOCAL:
return fileio_local_read(fileio, size, buffer, size_read);
break;
default:
ERROR("BUG: should never get here");
exit(-1);
}
}

int fileio_read_ihex(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
{
fileio_ihex_t *fileio_ihex = fileio->sec_type_private;

if ((fileio_ihex->position + size) > fileio->size)
{
/* don't read past the end of the file */
size = (fileio->size - fileio_ihex->position);
}
#ifdef FILEIO_BUFFER_COMPLETE_IHEX
memcpy(buffer, fileio_ihex->buffer + fileio_ihex->position, size);
*size_read = size;
#endif

return ERROR_OK;
}

int fileio_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
{
if (fileio->sec_type == FILEIO_PLAIN)
{
return fileio_dispatch_read(fileio, size, buffer, size_read);
}
else if (fileio->sec_type == FILEIO_IHEX)
{
return fileio_read_ihex(fileio, size, buffer, size_read);
}
return ERROR_OK;
}

int fileio_local_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written)
{
fileio_local_t *fileio_local = fileio->location_private;
*size_written = fwrite(buffer, 1, size, fileio_local->file);
return ERROR_OK;
}

int fileio_dispatch_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written)
{
switch (fileio->location)
{
case FILEIO_LOCAL:
return fileio_local_write(fileio, size, buffer, size_written);
break;
default:
ERROR("BUG: should never get here");
}
return ERROR_OK;
}

int fileio_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written)
{
int retval;
if (fileio->sec_type == FILEIO_PLAIN)
{
retval = fileio_dispatch_write(fileio, size, buffer, size_written);
}
else if (fileio->sec_type == FILEIO_IHEX)
{
return ERROR_FILEIO_OPERATION_NOT_SUPPORTED;
}
if (retval != ERROR_OK)
return retval;
fileio->size += size;
return ERROR_OK;
}

int fileio_identify_image_type(enum fileio_sec_type *sec_type, char *type_string)
{
if (type_string)
{
if (!strcmp(type_string, "bin"))
{
*sec_type = FILEIO_PLAIN;
}
else if (!strcmp(type_string, "ihex"))
{
*sec_type = FILEIO_IHEX;
}
else
{
return ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN;
}
}
else
{
*sec_type = FILEIO_PLAIN;
}
return ERROR_OK;
}

+ 126
- 0
src/helper/fileio.h View File

@@ -0,0 +1,126 @@
/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef FILEIO_H
#define FILEIO_H

#define FILEIO_MAX_ERROR_STRING (128)

/* make buffering of complete intel-hex format files optional
* to account for resource-limited hosts
*/
#define FILEIO_BUFFER_COMPLETE_IHEX

#include <sys/stat.h>

enum fileio_pri_type
{
FILEIO_TEXT = 0x1,
FILEIO_IMAGE = 0x2,
};

enum fileio_sec_type
{
FILEIO_PLAIN = 0x10,
FILEIO_IHEX = 0x20,
/*
* Possible future enhancements:
* FILEIO_ELF,
* FILEIO_SRECORD,
*/
};

enum fileio_location
{
FILEIO_LOCAL,
/*
* Possible future enhancements:
* FILEIO_NFS,
* FILEIO_BOOTP,
* FILEIO_[XYZ]MODEM,
* FILEIO_HTTP,
* FILEIO_FTP,
*/
};

enum fileio_access
{
FILEIO_READ, /* open for reading, position at beginning */
FILEIO_WRITE, /* open for writing, position at beginning */
FILEIO_READWRITE, /* open for writing, position at beginning, allow reading */
FILEIO_APPEND, /* open for writing, position at end */
FILEIO_APPENDREAD, /* open for writing, position at end, allow reading */
};

typedef struct fileio_s
{
char *url;
char error_str[FILEIO_MAX_ERROR_STRING];
long long size;
enum fileio_pri_type pri_type;
enum fileio_sec_type sec_type;
enum fileio_location location;
enum fileio_access access;
void *location_private;
void *pri_type_private;
void *sec_type_private;
} fileio_t;

typedef struct fileio_text_s
{
} fileio_text_t;

typedef struct fileio_image_s
{
u32 base_address;
int has_start_address;
u32 start_address;
} fileio_image_t;

typedef struct fileio_local_s
{
FILE *file;
struct stat file_stat;
} fileio_local_t;

typedef struct fileio_ihex_s
{
u32 position;
u32 raw_size;
#ifdef FILEIO_BUFFER_COMPLETE_IHEX
u8 *buffer;
#endif
} fileio_ihex_t;

extern int fileio_identify_image_type(enum fileio_sec_type *sec_type, char *type_string);
extern int fileio_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written);
extern int fileio_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read);
extern int fileio_seek(fileio_t *fileio, u32 position);
extern int fileio_close(fileio_t *fileio);
extern int fileio_open(fileio_t *fileio, char *url, enum fileio_access access,
enum fileio_pri_type pri_type, void *pri_info, enum fileio_sec_type sec_type);
#define ERROR_FILEIO_LOCATION_UNKNOWN (-1200)
#define ERROR_FILEIO_NOT_FOUND (-1201)
#define ERROR_FILEIO_OPERATION_FAILED (-1202)
#define ERROR_FILEIO_ACCESS_NOT_SUPPORTED (-1203)
#define ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN (-1204)
#define ERROR_FILEIO_OPERATION_NOT_SUPPORTED (-1205)

#endif /* FILEIO_H */

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