1 /***************************************************************************
2 * Copyright (C) 2007 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
33 #include "replacements.h"
39 /* convert ELF header field to host endianness */
40 #define field16(elf,field)\
41 ((elf->endianness==ELFDATA2LSB)? \
42 le_to_h_u16((u8*)&field):be_to_h_u16((u8*)&field))
44 #define field32(elf,field)\
45 ((elf->endianness==ELFDATA2LSB)? \
46 le_to_h_u32((u8*)&field):be_to_h_u32((u8*)&field))
48 static int autodetect_image_type(image_t *image, char *url)
55 /* read the first 4 bytes of image */
56 if ((retval = fileio_open(&fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK)
58 snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot open image: %s", fileio.error_str);
59 ERROR(image->error_str);
62 if ((retval = fileio_read(&fileio, 9, buffer, &read_bytes)) != ERROR_OK)
64 snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot read image header: %s", fileio.error_str);
65 ERROR(image->error_str);
66 return ERROR_FILEIO_OPERATION_FAILED;
70 snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot read image, only partially read");
71 ERROR(image->error_str);
72 return ERROR_FILEIO_OPERATION_FAILED;
74 fileio_close(&fileio);
76 /* check header against known signatures */
77 if (strncmp((char*)buffer,ELFMAG,SELFMAG)==0)
79 DEBUG("ELF image detected.");
80 image->type = IMAGE_ELF;
82 else if ((buffer[0]==':') /* record start byte */
83 &&(isxdigit(buffer[1]))
84 &&(isxdigit(buffer[2]))
85 &&(isxdigit(buffer[3]))
86 &&(isxdigit(buffer[4]))
87 &&(isxdigit(buffer[5]))
88 &&(isxdigit(buffer[6]))
89 &&(buffer[7]=='0') /* record type : 00 -> 05 */
90 &&(buffer[8]>='0')&&(buffer[8]<'6'))
92 DEBUG("IHEX image detected.");
93 image->type = IMAGE_IHEX;
95 else if ((buffer[0] == 'S') /* record start byte */
96 &&(isxdigit(buffer[1]))
97 &&(isxdigit(buffer[2]))
98 &&(isxdigit(buffer[3]))
99 &&(buffer[1] >= '0') && (buffer[1] < '9'))
101 DEBUG("S19 image detected.");
102 image->type = IMAGE_SRECORD;
106 image->type = IMAGE_BINARY;
112 int identify_image_type(image_t *image, char *type_string, char *url)
116 if (!strcmp(type_string, "bin"))
118 image->type = IMAGE_BINARY;
120 else if (!strcmp(type_string, "ihex"))
122 image->type = IMAGE_IHEX;
124 else if (!strcmp(type_string, "elf"))
126 image->type = IMAGE_ELF;
128 else if (!strcmp(type_string, "mem"))
130 image->type = IMAGE_MEMORY;
132 else if (!strcmp(type_string, "s19"))
134 image->type = IMAGE_SRECORD;
136 else if (!strcmp(type_string, "build"))
138 image->type = IMAGE_BUILDER;
142 return ERROR_IMAGE_TYPE_UNKNOWN;
147 return autodetect_image_type(image, url);
153 int image_ihex_buffer_complete(image_t *image)
155 image_ihex_t *ihex = image->type_private;
156 fileio_t *fileio = &ihex->fileio;
157 u32 raw_bytes_read, raw_bytes;
159 u32 full_address = 0x0;
160 char *buffer = malloc(fileio->size);
164 /* we can't determine the number of sections that we'll have to create ahead of time,
165 * so we locally hold them until parsing is finished */
166 image_section_t section[IMAGE_MAX_SECTIONS];
168 if ((retval = fileio_read(fileio, fileio->size, (u8*)buffer, &raw_bytes_read)) != ERROR_OK)
171 ERROR("failed buffering IHEX file, read failed");
172 return ERROR_FILEIO_OPERATION_FAILED;
175 if (raw_bytes_read != fileio->size)
178 ERROR("failed buffering complete IHEX file, only partially read");
179 return ERROR_FILEIO_OPERATION_FAILED;
182 ihex->buffer = malloc(fileio->size >> 1);
185 image->num_sections = 0;
186 section[image->num_sections].private = &ihex->buffer[cooked_bytes];
187 section[image->num_sections].base_address = 0x0;
188 section[image->num_sections].size = 0x0;
189 section[image->num_sections].flags = 0;
190 while (raw_bytes < raw_bytes_read)
198 if (sscanf(&buffer[raw_bytes], ":%2x%4x%2x", &count, &address, &record_type) != 3)
200 return ERROR_IMAGE_FORMAT_ERROR;
204 cal_checksum += (u8)count;
205 cal_checksum += (u8)(address >> 8);
206 cal_checksum += (u8)address;
207 cal_checksum += (u8)record_type;
209 if (record_type == 0) /* Data Record */
211 if ((full_address & 0xffff) != address)
213 /* we encountered a nonconsecutive location, create a new section,
214 * unless the current section has zero size, in which case this specifies
215 * the current section's base address
217 if (section[image->num_sections].size != 0)
219 image->num_sections++;
220 section[image->num_sections].size = 0x0;
221 section[image->num_sections].flags = 0;
222 section[image->num_sections].private = &ihex->buffer[cooked_bytes];
224 section[image->num_sections].base_address =
225 (full_address & 0xffff0000) | address;
226 full_address = (full_address & 0xffff0000) | address;
231 sscanf(&buffer[raw_bytes], "%2hhx", &ihex->buffer[cooked_bytes]);
232 cal_checksum += (u8)ihex->buffer[cooked_bytes];
235 section[image->num_sections].size += 1;
239 else if (record_type == 1) /* End of File Record */
241 /* finish the current section */
242 image->num_sections++;
244 /* copy section information */
245 image->sections = malloc(sizeof(image_section_t) * image->num_sections);
246 for (i = 0; i < image->num_sections; i++)
248 image->sections[i].private = section[i].private;
249 image->sections[i].base_address = section[i].base_address +
250 ((image->base_address_set) ? image->base_address : 0);
251 image->sections[i].size = section[i].size;
252 image->sections[i].flags = section[i].flags;
258 else if (record_type == 4) /* Extended Linear Address Record */
262 sscanf(&buffer[raw_bytes], "%4hx", &upper_address);
263 cal_checksum += (u8)(upper_address >> 8);
264 cal_checksum += (u8)upper_address;
267 if ((full_address >> 16) != upper_address)
269 /* we encountered a nonconsecutive location, create a new section,
270 * unless the current section has zero size, in which case this specifies
271 * the current section's base address
273 if (section[image->num_sections].size != 0)
275 image->num_sections++;
276 section[image->num_sections].size = 0x0;
277 section[image->num_sections].flags = 0;
278 section[image->num_sections].private = &ihex->buffer[cooked_bytes];
280 section[image->num_sections].base_address =
281 (full_address & 0xffff) | (upper_address << 16);
282 full_address = (full_address & 0xffff) | (upper_address << 16);
285 else if (record_type == 5) /* Start Linear Address Record */
289 sscanf(&buffer[raw_bytes], "%8x", &start_address);
290 cal_checksum += (u8)(start_address >> 24);
291 cal_checksum += (u8)(start_address >> 16);
292 cal_checksum += (u8)(start_address >> 8);
293 cal_checksum += (u8)start_address;
296 image->start_address_set = 1;
297 image->start_address = be_to_h_u32((u8*)&start_address);
302 ERROR("unhandled IHEX record type: %i", record_type);
303 return ERROR_IMAGE_FORMAT_ERROR;
306 sscanf(&buffer[raw_bytes], "%2x", &checksum);
309 if ((u8)checksum != (u8)(~cal_checksum + 1))
311 /* checksum failed */
313 ERROR("incorrect record checksum found in IHEX file");
314 return ERROR_IMAGE_CHECKSUM;
317 /* consume new-line character(s) */
318 if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
321 if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
326 ERROR("premature end of IHEX file, no end-of-file record found");
327 return ERROR_IMAGE_FORMAT_ERROR;
330 int image_elf_read_headers(image_t *image)
332 image_elf_t *elf = image->type_private;
337 elf->header = malloc(sizeof(Elf32_Ehdr));
339 if ((retval = fileio_read(&elf->fileio, sizeof(Elf32_Ehdr), (u8*)elf->header, &read_bytes)) != ERROR_OK)
341 ERROR("cannot read ELF file header, read failed");
342 return ERROR_FILEIO_OPERATION_FAILED;
344 if (read_bytes != sizeof(Elf32_Ehdr))
346 ERROR("cannot read ELF file header, only partially read");
347 return ERROR_FILEIO_OPERATION_FAILED;
350 if (strncmp((char*)elf->header->e_ident,ELFMAG,SELFMAG)!=0)
352 ERROR("invalid ELF file, bad magic number");
353 return ERROR_IMAGE_FORMAT_ERROR;
355 if (elf->header->e_ident[EI_CLASS]!=ELFCLASS32)
357 ERROR("invalid ELF file, only 32bits files are supported");
358 return ERROR_IMAGE_FORMAT_ERROR;
362 elf->endianness = elf->header->e_ident[EI_DATA];
363 if ((elf->endianness!=ELFDATA2LSB)
364 &&(elf->endianness!=ELFDATA2MSB))
366 ERROR("invalid ELF file, unknown endianess setting");
367 return ERROR_IMAGE_FORMAT_ERROR;
370 elf->segment_count = field16(elf,elf->header->e_phnum);
371 if (elf->segment_count==0)
373 ERROR("invalid ELF file, no program headers");
374 return ERROR_IMAGE_FORMAT_ERROR;
377 elf->segments = malloc(elf->segment_count*sizeof(Elf32_Phdr));
379 if ((retval = fileio_read(&elf->fileio, elf->segment_count*sizeof(Elf32_Phdr), (u8*)elf->segments, &read_bytes)) != ERROR_OK)
381 ERROR("cannot read ELF segment headers, read failed");
384 if (read_bytes != elf->segment_count*sizeof(Elf32_Phdr))
386 ERROR("cannot read ELF segment headers, only partially read");
387 return ERROR_FILEIO_OPERATION_FAILED;
390 /* count useful segments (loadable), ignore BSS section */
391 image->num_sections = 0;
392 for (i=0;i<elf->segment_count;i++)
393 if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0))
394 image->num_sections++;
395 /* alloc and fill sections array with loadable segments */
396 image->sections = malloc(image->num_sections * sizeof(image_section_t));
397 for (i=0,j=0;i<elf->segment_count;i++)
399 if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0))
401 image->sections[j].size = field32(elf,elf->segments[i].p_memsz);
402 image->sections[j].base_address = field32(elf,elf->segments[i].p_paddr);
403 image->sections[j].private = &elf->segments[i];
404 image->sections[j].flags = field32(elf,elf->segments[i].p_flags);
409 image->start_address_set = 1;
410 image->start_address = field32(elf,elf->header->e_entry);
415 int image_elf_read_section(image_t *image, int section, u32 offset, u32 size, u8 *buffer, u32 *size_read)
417 image_elf_t *elf = image->type_private;
418 Elf32_Phdr *segment = (Elf32_Phdr *)image->sections[section].private;
419 u32 read_size,really_read;
424 DEBUG("load segment %d at 0x%x (sz=0x%x)",section,offset,size);
426 /* read initialized data in current segment if any */
427 if (offset<field32(elf,segment->p_filesz))
429 /* maximal size present in file for the current segment */
430 read_size = MIN(size, field32(elf,segment->p_filesz)-offset);
431 DEBUG("read elf: size = 0x%x at 0x%x",read_size,
432 field32(elf,segment->p_offset)+offset);
433 /* read initialized area of the segment */
434 if ((retval = fileio_seek(&elf->fileio, field32(elf,segment->p_offset)+offset)) != ERROR_OK)
436 ERROR("cannot find ELF segment content, seek failed");
439 if ((retval = fileio_read(&elf->fileio, read_size, buffer, &really_read)) != ERROR_OK)
441 ERROR("cannot read ELF segment content, read failed");
447 *size_read += read_size;
448 /* need more data ? */
452 /* if there is remaining zeroed area in current segment */
453 if (offset<field32(elf,segment->p_memsz))
455 /* fill zeroed part (BSS) of the segment */
456 read_size = MIN(size, field32(elf,segment->p_memsz)-offset);
457 DEBUG("zero fill: size = 0x%x",read_size);
458 memset(buffer,0,read_size);
459 *size_read += read_size;
465 int image_mot_buffer_complete(image_t *image)
467 image_mot_t *mot = image->type_private;
468 fileio_t *fileio = &mot->fileio;
469 u32 raw_bytes_read, raw_bytes;
471 u32 full_address = 0x0;
472 char *buffer = malloc(fileio->size);
476 /* we can't determine the number of sections that we'll have to create ahead of time,
477 * so we locally hold them until parsing is finished */
478 image_section_t section[IMAGE_MAX_SECTIONS];
480 if ((retval = fileio_read(fileio, fileio->size, (u8*)buffer, &raw_bytes_read)) != ERROR_OK)
483 ERROR("failed buffering S19 file, read failed");
484 return ERROR_FILEIO_OPERATION_FAILED;
487 if (raw_bytes_read != fileio->size)
490 ERROR("failed buffering complete IHEX file, only partially read");
491 return ERROR_FILEIO_OPERATION_FAILED;
494 mot->buffer = malloc(fileio->size >> 1);
497 image->num_sections = 0;
498 section[image->num_sections].private = &mot->buffer[cooked_bytes];
499 section[image->num_sections].base_address = 0x0;
500 section[image->num_sections].size = 0x0;
501 section[image->num_sections].flags = 0;
503 while (raw_bytes < raw_bytes_read)
511 /* get record type and record length */
512 if (sscanf(&buffer[raw_bytes], "S%1x%2x", &record_type, &count) != 2)
514 return ERROR_IMAGE_FORMAT_ERROR;
518 cal_checksum += (u8)count;
520 /* skip checksum byte */
523 if (record_type == 0)
525 /* S0 - starting record (optional) */
528 while (count-- > 0) {
529 sscanf(&buffer[raw_bytes], "%2x", &iValue);
530 cal_checksum += (u8)iValue;
534 else if (record_type >= 1 && record_type <= 3)
536 switch( record_type )
539 /* S1 - 16 bit address data record */
540 sscanf(&buffer[raw_bytes], "%4x", &address);
541 cal_checksum += (u8)(address >> 8);
542 cal_checksum += (u8)address;
548 /* S2 - 24 bit address data record */
549 sscanf(&buffer[raw_bytes], "%6x", &address);
550 cal_checksum += (u8)(address >> 16);
551 cal_checksum += (u8)(address >> 8);
552 cal_checksum += (u8)address;
558 /* S3 - 32 bit address data record */
559 sscanf(&buffer[raw_bytes], "%8x", &address);
560 cal_checksum += (u8)(address >> 24);
561 cal_checksum += (u8)(address >> 16);
562 cal_checksum += (u8)(address >> 8);
563 cal_checksum += (u8)address;
570 if (full_address != address)
572 /* we encountered a nonconsecutive location, create a new section,
573 * unless the current section has zero size, in which case this specifies
574 * the current section's base address
576 if (section[image->num_sections].size != 0)
578 image->num_sections++;
579 section[image->num_sections].size = 0x0;
580 section[image->num_sections].flags = 0;
581 section[image->num_sections].private = &mot->buffer[cooked_bytes];
583 section[image->num_sections].base_address =
584 full_address | address;
585 full_address = full_address | address;
590 sscanf(&buffer[raw_bytes], "%2hhx", &mot->buffer[cooked_bytes]);
591 cal_checksum += (u8)mot->buffer[cooked_bytes];
594 section[image->num_sections].size += 1;
598 else if (record_type >= 7 && record_type <= 9)
600 /* S7, S8, S9 - ending records for 32, 24 and 16bit */
601 image->num_sections++;
603 /* copy section information */
604 image->sections = malloc(sizeof(image_section_t) * image->num_sections);
605 for (i = 0; i < image->num_sections; i++)
607 image->sections[i].private = section[i].private;
608 image->sections[i].base_address = section[i].base_address +
609 ((image->base_address_set) ? image->base_address : 0);
610 image->sections[i].size = section[i].size;
611 image->sections[i].flags = section[i].flags;
620 ERROR("unhandled S19 record type: %i", record_type);
621 return ERROR_IMAGE_FORMAT_ERROR;
624 /* account for checksum, will always be 0xFF */
625 sscanf(&buffer[raw_bytes], "%2x", &checksum);
626 cal_checksum += (u8)checksum;
629 if( cal_checksum != 0xFF )
631 /* checksum failed */
633 ERROR("incorrect record checksum found in S19 file");
634 return ERROR_IMAGE_CHECKSUM;
637 /* consume new-line character(s) */
638 if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
641 if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
646 ERROR("premature end of S19 file, no end-of-file record found");
647 return ERROR_IMAGE_FORMAT_ERROR;
650 int image_open(image_t *image, char *url, char *type_string)
652 int retval = ERROR_OK;
654 if ((retval = identify_image_type(image, type_string, url)) != ERROR_OK)
659 if (image->type == IMAGE_BINARY)
661 image_binary_t *image_binary;
663 image_binary = image->type_private = malloc(sizeof(image_binary_t));
665 if ((retval = fileio_open(&image_binary->fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK)
667 strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING);
668 ERROR(image->error_str);
672 image->num_sections = 1;
673 image->sections = malloc(sizeof(image_section_t));
674 image->sections[0].base_address = 0x0;
675 image->sections[0].size = image_binary->fileio.size;
676 image->sections[0].flags = 0;
678 if (image->base_address_set == 1)
679 image->sections[0].base_address = image->base_address;
683 else if (image->type == IMAGE_IHEX)
685 image_ihex_t *image_ihex;
687 image_ihex = image->type_private = malloc(sizeof(image_ihex_t));
689 if ((retval = fileio_open(&image_ihex->fileio, url, FILEIO_READ, FILEIO_TEXT)) != ERROR_OK)
691 strncpy(image->error_str, image_ihex->fileio.error_str, IMAGE_MAX_ERROR_STRING);
692 ERROR(image->error_str);
696 if ((retval = image_ihex_buffer_complete(image)) != ERROR_OK)
698 snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
699 "failed buffering IHEX image, check daemon output for additional information");
700 ERROR(image->error_str);
701 fileio_close(&image_ihex->fileio);
705 else if (image->type == IMAGE_ELF)
707 image_elf_t *image_elf;
709 image_elf = image->type_private = malloc(sizeof(image_elf_t));
711 if ((retval = fileio_open(&image_elf->fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK)
713 strncpy(image->error_str, image_elf->fileio.error_str, IMAGE_MAX_ERROR_STRING);
714 ERROR(image->error_str);
718 if ((retval = image_elf_read_headers(image)) != ERROR_OK)
720 snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
721 "failed to read ELF headers, check daemon output for additional information");
722 ERROR(image->error_str);
723 fileio_close(&image_elf->fileio);
727 else if (image->type == IMAGE_MEMORY)
729 image_memory_t *image_memory;
731 image->num_sections = 1;
732 image->sections = malloc(sizeof(image_section_t));
733 image->sections[0].base_address = 0x0;
734 image->sections[0].size = 0xffffffff;
735 image->sections[0].flags = 0;
737 image_memory = image->type_private = malloc(sizeof(image_memory_t));
739 image_memory->target = get_target_by_num(strtoul(url, NULL, 0));;
740 image_memory->cache = NULL;
741 image_memory->cache_address = 0x0;
743 else if (image->type == IMAGE_SRECORD)
745 image_mot_t *image_mot;
747 image_mot = image->type_private = malloc(sizeof(image_mot_t));
749 if ((retval = fileio_open(&image_mot->fileio, url, FILEIO_READ, FILEIO_TEXT)) != ERROR_OK)
751 strncpy(image->error_str, image_mot->fileio.error_str, IMAGE_MAX_ERROR_STRING);
752 ERROR(image->error_str);
756 if ((retval = image_mot_buffer_complete(image)) != ERROR_OK)
758 snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
759 "failed buffering S19 image, check daemon output for additional information");
760 ERROR(image->error_str);
761 fileio_close(&image_mot->fileio);
765 else if (image->type == IMAGE_BUILDER)
767 image->num_sections = 0;
768 image->sections = NULL;
769 image->type_private = NULL;
775 int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *buffer, u32 *size_read)
779 /* don't read past the end of a section */
780 if (offset + size > image->sections[section].size)
782 DEBUG("read past end of section: 0x%8.8x + 0x%8.8x > 0x%8.8x",
783 offset, size, image->sections[section].size);
784 return ERROR_INVALID_ARGUMENTS;
787 if (image->type == IMAGE_BINARY)
789 image_binary_t *image_binary = image->type_private;
791 /* only one section in a plain binary */
793 return ERROR_INVALID_ARGUMENTS;
796 if ((retval = fileio_seek(&image_binary->fileio, offset)) != ERROR_OK)
798 strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING);
802 /* return requested bytes */
803 if ((retval = fileio_read(&image_binary->fileio, size, buffer, size_read)) != ERROR_OK)
805 strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING);
809 else if (image->type == IMAGE_IHEX)
811 memcpy(buffer, (u8*)image->sections[section].private + offset, size);
813 image->error_str[0] = '\0';
817 else if (image->type == IMAGE_ELF)
819 return image_elf_read_section(image, section, offset, size, buffer, size_read);
821 else if (image->type == IMAGE_MEMORY)
823 image_memory_t *image_memory = image->type_private;
824 u32 address = image->sections[section].base_address + offset;
828 while ((size - *size_read) > 0)
832 if (!image_memory->cache
833 || (address < image_memory->cache_address)
834 || (address >= (image_memory->cache_address + IMAGE_MEMORY_CACHE_SIZE)))
836 if (!image_memory->cache)
837 image_memory->cache = malloc(IMAGE_MEMORY_CACHE_SIZE);
839 if (target_read_buffer(image_memory->target, address & ~(IMAGE_MEMORY_CACHE_SIZE - 1),
840 IMAGE_MEMORY_CACHE_SIZE, image_memory->cache) != ERROR_OK)
842 free(image_memory->cache);
843 return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
845 image_memory->cache_address = address & ~(IMAGE_MEMORY_CACHE_SIZE - 1);
848 size_in_cache = (image_memory->cache_address + IMAGE_MEMORY_CACHE_SIZE) - address;
850 memcpy(buffer + *size_read,
851 image_memory->cache + (address - image_memory->cache_address),
852 (size_in_cache > size) ? size : size_in_cache
855 *size_read += (size_in_cache > size) ? size : size_in_cache;
856 address += (size_in_cache > size) ? size : size_in_cache;
859 else if (image->type == IMAGE_SRECORD)
861 memcpy(buffer, (u8*)image->sections[section].private + offset, size);
863 image->error_str[0] = '\0';
867 else if (image->type == IMAGE_BUILDER)
869 memcpy(buffer, (u8*)image->sections[section].private + offset, size);
871 image->error_str[0] = '\0';
879 int image_add_section(image_t *image, u32 base, u32 size, int flags, u8 *data)
881 image_section_t *section;
883 /* only image builder supports adding sections */
884 if (image->type != IMAGE_BUILDER)
885 return ERROR_INVALID_ARGUMENTS;
887 /* see if there's a previous section */
888 if (image->num_sections)
890 section = &image->sections[image->num_sections - 1];
892 /* see if it's enough to extend the last section,
893 * adding data to previous sections or merging is not supported */
894 if (((section->base_address + section->size) == base) && (section->flags == flags))
896 section->private = realloc(section->private, section->size + size);
897 memcpy((u8*)section->private + section->size, data, size);
898 section->size += size;
903 /* allocate new section */
904 image->num_sections++;
905 image->sections = realloc(image->sections, sizeof(image_section_t) * image->num_sections);
906 section = &image->sections[image->num_sections - 1];
907 section->base_address = base;
908 section->size = size;
909 section->flags = flags;
910 section->private = malloc(sizeof(u8) * size);
911 memcpy((u8*)section->private, data, size);
916 int image_close(image_t *image)
918 if (image->type == IMAGE_BINARY)
920 image_binary_t *image_binary = image->type_private;
922 fileio_close(&image_binary->fileio);
924 else if (image->type == IMAGE_IHEX)
926 image_ihex_t *image_ihex = image->type_private;
928 fileio_close(&image_ihex->fileio);
930 if (image_ihex->buffer)
931 free(image_ihex->buffer);
933 else if (image->type == IMAGE_ELF)
935 image_elf_t *image_elf = image->type_private;
937 fileio_close(&image_elf->fileio);
939 if (image_elf->header)
940 free(image_elf->header);
942 if (image_elf->segments)
943 free(image_elf->segments);
945 else if (image->type == IMAGE_MEMORY)
947 image_memory_t *image_memory = image->type_private;
949 if (image_memory->cache)
950 free(image_memory->cache);
952 else if (image->type == IMAGE_SRECORD)
954 image_mot_t *image_mot = image->type_private;
956 fileio_close(&image_mot->fileio);
958 if (image_mot->buffer)
959 free(image_mot->buffer);
961 else if (image->type == IMAGE_BUILDER)
965 for (i = 0; i < image->num_sections; i++)
967 free(image->sections[i].private);
971 if (image->type_private)
972 free(image->type_private);
975 free(image->sections);