diff options
Diffstat (limited to 'src/target/image.c')
| -rw-r--r-- | src/target/image.c | 202 |
1 files changed, 101 insertions, 101 deletions
diff --git a/src/target/image.c b/src/target/image.c index 173fca56..624f319e 100644 --- a/src/target/image.c +++ b/src/target/image.c @@ -39,11 +39,11 @@ /* convert ELF header field to host endianness */ #define field16(elf, field)\ ((elf->endianness == ELFDATA2LSB)? \ - le_to_h_u16((u8*)&field) : be_to_h_u16((u8*)&field)) + le_to_h_u16((u8*)&field) : be_to_h_u16((u8*)&field)) #define field32(elf, field)\ ((elf->endianness == ELFDATA2LSB)? \ - le_to_h_u32((u8*)&field) : be_to_h_u32((u8*)&field)) + le_to_h_u32((u8*)&field) : be_to_h_u32((u8*)&field)) static int autodetect_image_type(image_t *image, char *url) { @@ -51,11 +51,11 @@ static int autodetect_image_type(image_t *image, char *url) fileio_t fileio; u32 read_bytes; u8 buffer[9]; - + /* read the first 4 bytes of image */ if ((retval = fileio_open(&fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK) { - snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot open image: %s", fileio.error_str); + snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot open image: %s", fileio.error_str); ERROR(image->error_str); return retval; } @@ -146,7 +146,7 @@ int identify_image_type(image_t *image, char *type_string, char *url) { return autodetect_image_type(image, url); } - + return ERROR_OK; } @@ -158,7 +158,7 @@ int image_ihex_buffer_complete(image_t *image) u32 cooked_bytes; int i; char lpszLine[1023]; - + /* we can't determine the number of sections that we'll have to create ahead of time, * so we locally hold them until parsing is finished */ image_section_t section[IMAGE_MAX_SECTIONS]; @@ -170,7 +170,7 @@ int image_ihex_buffer_complete(image_t *image) section[image->num_sections].base_address = 0x0; section[image->num_sections].size = 0x0; section[image->num_sections].flags = 0; - + while (fileio_fgets(fileio, 1023, lpszLine) == ERROR_OK) { u32 count; @@ -179,18 +179,18 @@ int image_ihex_buffer_complete(image_t *image) u32 checksum; u8 cal_checksum = 0; u32 bytes_read = 0; - + if (sscanf(&lpszLine[bytes_read], ":%2x%4x%2x", &count, &address, &record_type) != 3) { return ERROR_IMAGE_FORMAT_ERROR; } bytes_read += 9; - + cal_checksum += (u8)count; cal_checksum += (u8)(address >> 8); cal_checksum += (u8)address; cal_checksum += (u8)record_type; - + if (record_type == 0) /* Data Record */ { if ((full_address & 0xffff) != address) @@ -210,7 +210,7 @@ int image_ihex_buffer_complete(image_t *image) (full_address & 0xffff0000) | address; full_address = (full_address & 0xffff0000) | address; } - + while (count-- > 0) { sscanf(&lpszLine[bytes_read], "%2x", (u32*)&ihex->buffer[cooked_bytes]); @@ -225,7 +225,7 @@ int image_ihex_buffer_complete(image_t *image) { /* finish the current section */ image->num_sections++; - + /* copy section information */ image->sections = malloc(sizeof(image_section_t) * image->num_sections); for (i = 0; i < image->num_sections; i++) @@ -235,18 +235,18 @@ int image_ihex_buffer_complete(image_t *image) image->sections[i].size = section[i].size; image->sections[i].flags = section[i].flags; } - + return ERROR_OK; } else if (record_type == 2) /* Linear Address Record */ { u16 upper_address; - + sscanf(&lpszLine[bytes_read], "%4hx", &upper_address); cal_checksum += (u8)(upper_address >> 8); cal_checksum += (u8)upper_address; bytes_read += 4; - + if ((full_address >> 4) != upper_address) { /* we encountered a nonconsecutive location, create a new section, @@ -260,7 +260,7 @@ int image_ihex_buffer_complete(image_t *image) section[image->num_sections].flags = 0; section[image->num_sections].private = &ihex->buffer[cooked_bytes]; } - section[image->num_sections].base_address = + section[image->num_sections].base_address = (full_address & 0xffff) | (upper_address << 4); full_address = (full_address & 0xffff) | (upper_address << 4); } @@ -268,7 +268,7 @@ int image_ihex_buffer_complete(image_t *image) else if (record_type == 3) /* Start Segment Address Record */ { u32 dummy; - + /* "Start Segment Address Record" will not be supported */ /* but we must consume it, and do not create an error. */ while (count-- > 0) @@ -281,12 +281,12 @@ int image_ihex_buffer_complete(image_t *image) else if (record_type == 4) /* Extended Linear Address Record */ { u16 upper_address; - + sscanf(&lpszLine[bytes_read], "%4hx", &upper_address); cal_checksum += (u8)(upper_address >> 8); cal_checksum += (u8)upper_address; bytes_read += 4; - + if ((full_address >> 16) != upper_address) { /* we encountered a nonconsecutive location, create a new section, @@ -300,7 +300,7 @@ int image_ihex_buffer_complete(image_t *image) section[image->num_sections].flags = 0; section[image->num_sections].private = &ihex->buffer[cooked_bytes]; } - section[image->num_sections].base_address = + section[image->num_sections].base_address = (full_address & 0xffff) | (upper_address << 16); full_address = (full_address & 0xffff) | (upper_address << 16); } @@ -308,14 +308,14 @@ int image_ihex_buffer_complete(image_t *image) else if (record_type == 5) /* Start Linear Address Record */ { u32 start_address; - + sscanf(&lpszLine[bytes_read], "%8x", &start_address); cal_checksum += (u8)(start_address >> 24); cal_checksum += (u8)(start_address >> 16); cal_checksum += (u8)(start_address >> 8); cal_checksum += (u8)start_address; bytes_read += 8; - + image->start_address_set = 1; image->start_address = be_to_h_u32((u8*)&start_address); } @@ -324,10 +324,10 @@ int image_ihex_buffer_complete(image_t *image) ERROR("unhandled IHEX record type: %i", record_type); return ERROR_IMAGE_FORMAT_ERROR; } - + sscanf(&lpszLine[bytes_read], "%2x", &checksum); bytes_read += 2; - + if ((u8)checksum != (u8)(~cal_checksum + 1)) { /* checksum failed */ @@ -335,7 +335,7 @@ int image_ihex_buffer_complete(image_t *image) return ERROR_IMAGE_CHECKSUM; } } - + ERROR("premature end of IHEX file, no end-of-file record found"); return ERROR_IMAGE_FORMAT_ERROR; } @@ -418,7 +418,7 @@ int image_elf_read_headers(image_t *image) j++; } } - + image->start_address_set = 1; image->start_address = field32(elf, elf->header->e_entry); @@ -433,7 +433,7 @@ int image_elf_read_section(image_t *image, int section, u32 offset, u32 size, u8 int retval; *size_read = 0; - + DEBUG("load segment %d at 0x%x (sz = 0x%x)", section, offset, size); /* read initialized data in current segment if any */ @@ -462,7 +462,7 @@ int image_elf_read_section(image_t *image, int section, u32 offset, u32 size, u8 if (!size) return ERROR_OK; } - + return ERROR_OK; } @@ -474,11 +474,11 @@ int image_mot_buffer_complete(image_t *image) u32 cooked_bytes; int i; char lpszLine[1023]; - + /* we can't determine the number of sections that we'll have to create ahead of time, * so we locally hold them until parsing is finished */ image_section_t section[IMAGE_MAX_SECTIONS]; - + mot->buffer = malloc(fileio->size >> 1); cooked_bytes = 0x0; image->num_sections = 0; @@ -486,7 +486,7 @@ int image_mot_buffer_complete(image_t *image) section[image->num_sections].base_address = 0x0; section[image->num_sections].size = 0x0; section[image->num_sections].flags = 0; - + while (fileio_fgets(fileio, 1023, lpszLine) == ERROR_OK) { u32 count; @@ -495,24 +495,24 @@ int image_mot_buffer_complete(image_t *image) u32 checksum; u8 cal_checksum = 0; u32 bytes_read = 0; - + /* get record type and record length */ if (sscanf(&lpszLine[bytes_read], "S%1x%2x", &record_type, &count) != 2) { return ERROR_IMAGE_FORMAT_ERROR; } - + bytes_read += 4; cal_checksum += (u8)count; - + /* skip checksum byte */ count -=1; - + if (record_type == 0) { /* S0 - starting record (optional) */ int iValue; - + while (count-- > 0) { sscanf(&lpszLine[bytes_read], "%2x", &iValue); cal_checksum += (u8)iValue; @@ -531,7 +531,7 @@ int image_mot_buffer_complete(image_t *image) bytes_read += 4; count -=2; break; - + case 2: /* S2 - 24 bit address data record */ sscanf(&lpszLine[bytes_read], "%6x", &address); @@ -541,7 +541,7 @@ int image_mot_buffer_complete(image_t *image) bytes_read += 6; count -=3; break; - + case 3: /* S3 - 32 bit address data record */ sscanf(&lpszLine[bytes_read], "%8x", &address); @@ -553,7 +553,7 @@ int image_mot_buffer_complete(image_t *image) count -=4; break; } - + if (full_address != address) { /* we encountered a nonconsecutive location, create a new section, @@ -570,7 +570,7 @@ int image_mot_buffer_complete(image_t *image) section[image->num_sections].base_address = address; full_address = address; } - + while (count-- > 0) { sscanf(&lpszLine[bytes_read], "%2x", (u32*)&mot->buffer[cooked_bytes]); @@ -585,7 +585,7 @@ int image_mot_buffer_complete(image_t *image) { /* S5 is the data count record, we ignore it */ u32 dummy; - + while (count-- > 0) { sscanf(&lpszLine[bytes_read], "%2x", &dummy); @@ -597,7 +597,7 @@ int image_mot_buffer_complete(image_t *image) { /* S7, S8, S9 - ending records for 32, 24 and 16bit */ image->num_sections++; - + /* copy section information */ image->sections = malloc(sizeof(image_section_t) * image->num_sections); for (i = 0; i < image->num_sections; i++) @@ -607,7 +607,7 @@ int image_mot_buffer_complete(image_t *image) image->sections[i].size = section[i].size; image->sections[i].flags = section[i].flags; } - + return ERROR_OK; } else @@ -615,12 +615,12 @@ int image_mot_buffer_complete(image_t *image) ERROR("unhandled S19 record type: %i", record_type); return ERROR_IMAGE_FORMAT_ERROR; } - + /* account for checksum, will always be 0xFF */ sscanf(&lpszLine[bytes_read], "%2x", &checksum); cal_checksum += (u8)checksum; bytes_read += 2; - + if( cal_checksum != 0xFF ) { /* checksum failed */ @@ -628,7 +628,7 @@ int image_mot_buffer_complete(image_t *image) return ERROR_IMAGE_CHECKSUM; } } - + ERROR("premature end of S19 file, no end-of-file record found"); return ERROR_IMAGE_FORMAT_ERROR; } @@ -636,25 +636,25 @@ int image_mot_buffer_complete(image_t *image) int image_open(image_t *image, char *url, char *type_string) { int retval = ERROR_OK; - + if ((retval = identify_image_type(image, type_string, url)) != ERROR_OK) { return retval; } - + if (image->type == IMAGE_BINARY) { image_binary_t *image_binary; - + image_binary = image->type_private = malloc(sizeof(image_binary_t)); - + if ((retval = fileio_open(&image_binary->fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK) { - strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING); + strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING); ERROR(image->error_str); return retval; } - + image->num_sections = 1; image->sections = malloc(sizeof(image_section_t)); image->sections[0].base_address = 0x0; @@ -664,16 +664,16 @@ int image_open(image_t *image, char *url, char *type_string) else if (image->type == IMAGE_IHEX) { image_ihex_t *image_ihex; - + image_ihex = image->type_private = malloc(sizeof(image_ihex_t)); - + if ((retval = fileio_open(&image_ihex->fileio, url, FILEIO_READ, FILEIO_TEXT)) != ERROR_OK) { - strncpy(image->error_str, image_ihex->fileio.error_str, IMAGE_MAX_ERROR_STRING); + strncpy(image->error_str, image_ihex->fileio.error_str, IMAGE_MAX_ERROR_STRING); ERROR(image->error_str); return retval; } - + if ((retval = image_ihex_buffer_complete(image)) != ERROR_OK) { snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, @@ -686,16 +686,16 @@ int image_open(image_t *image, char *url, char *type_string) else if (image->type == IMAGE_ELF) { image_elf_t *image_elf; - + image_elf = image->type_private = malloc(sizeof(image_elf_t)); - + if ((retval = fileio_open(&image_elf->fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK) { - strncpy(image->error_str, image_elf->fileio.error_str, IMAGE_MAX_ERROR_STRING); + strncpy(image->error_str, image_elf->fileio.error_str, IMAGE_MAX_ERROR_STRING); ERROR(image->error_str); return retval; } - + if ((retval = image_elf_read_headers(image)) != ERROR_OK) { snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, @@ -708,15 +708,15 @@ int image_open(image_t *image, char *url, char *type_string) else if (image->type == IMAGE_MEMORY) { image_memory_t *image_memory; - + image->num_sections = 1; image->sections = malloc(sizeof(image_section_t)); image->sections[0].base_address = 0x0; image->sections[0].size = 0xffffffff; image->sections[0].flags = 0; - + image_memory = image->type_private = malloc(sizeof(image_memory_t)); - + image_memory->target = get_target_by_num(strtoul(url, NULL, 0));; image_memory->cache = NULL; image_memory->cache_address = 0x0; @@ -724,16 +724,16 @@ int image_open(image_t *image, char *url, char *type_string) else if (image->type == IMAGE_SRECORD) { image_mot_t *image_mot; - + image_mot = image->type_private = malloc(sizeof(image_mot_t)); - + if ((retval = fileio_open(&image_mot->fileio, url, FILEIO_READ, FILEIO_TEXT)) != ERROR_OK) { - strncpy(image->error_str, image_mot->fileio.error_str, IMAGE_MAX_ERROR_STRING); + strncpy(image->error_str, image_mot->fileio.error_str, IMAGE_MAX_ERROR_STRING); ERROR(image->error_str); return retval; } - + if ((retval = image_mot_buffer_complete(image)) != ERROR_OK) { snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, @@ -764,7 +764,7 @@ int image_open(image_t *image, char *url, char *type_string) image->base_address = 0; image->base_address_set = 0; } - + return retval; }; @@ -783,18 +783,18 @@ int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *bu if (image->type == IMAGE_BINARY) { image_binary_t *image_binary = image->type_private; - + /* only one section in a plain binary */ if (section != 0) return ERROR_INVALID_ARGUMENTS; - + /* seek to offset */ if ((retval = fileio_seek(&image_binary->fileio, offset)) != ERROR_OK) { strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING); return retval; } - + /* return requested bytes */ if ((retval = fileio_read(&image_binary->fileio, size, buffer, size_read)) != ERROR_OK) { @@ -807,7 +807,7 @@ int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *bu memcpy(buffer, (u8*)image->sections[section].private + offset, size); *size_read = size; image->error_str[0] = '\0'; - + return ERROR_OK; } else if (image->type == IMAGE_ELF) @@ -818,20 +818,20 @@ int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *bu { image_memory_t *image_memory = image->type_private; u32 address = image->sections[section].base_address + offset; - + *size_read = 0; - + while ((size - *size_read) > 0) { u32 size_in_cache; - + if (!image_memory->cache || (address < image_memory->cache_address) || (address >= (image_memory->cache_address + IMAGE_MEMORY_CACHE_SIZE))) { if (!image_memory->cache) image_memory->cache = malloc(IMAGE_MEMORY_CACHE_SIZE); - + if (target_read_buffer(image_memory->target, address & ~(IMAGE_MEMORY_CACHE_SIZE - 1), IMAGE_MEMORY_CACHE_SIZE, image_memory->cache) != ERROR_OK) { @@ -841,14 +841,14 @@ int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *bu } image_memory->cache_address = address & ~(IMAGE_MEMORY_CACHE_SIZE - 1); } - + size_in_cache = (image_memory->cache_address + IMAGE_MEMORY_CACHE_SIZE) - address; - + memcpy(buffer + *size_read, image_memory->cache + (address - image_memory->cache_address), (size_in_cache > size) ? size : size_in_cache ); - + *size_read += (size_in_cache > size) ? size : size_in_cache; address += (size_in_cache > size) ? size : size_in_cache; } @@ -858,7 +858,7 @@ int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *bu memcpy(buffer, (u8*)image->sections[section].private + offset, size); *size_read = size; image->error_str[0] = '\0'; - + return ERROR_OK; } else if (image->type == IMAGE_BUILDER) @@ -866,26 +866,26 @@ int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *bu memcpy(buffer, (u8*)image->sections[section].private + offset, size); *size_read = size; image->error_str[0] = '\0'; - + return ERROR_OK; } - + return ERROR_OK; } int image_add_section(image_t *image, u32 base, u32 size, int flags, u8 *data) { image_section_t *section; - + /* only image builder supports adding sections */ if (image->type != IMAGE_BUILDER) return ERROR_INVALID_ARGUMENTS; - + /* see if there's a previous section */ if (image->num_sections) { section = &image->sections[image->num_sections - 1]; - + /* see if it's enough to extend the last section, * adding data to previous sections or merging is not supported */ if (((section->base_address + section->size) == base) && (section->flags == flags)) @@ -896,7 +896,7 @@ int image_add_section(image_t *image, u32 base, u32 size, int flags, u8 *data) return ERROR_OK; } } - + /* allocate new section */ image->num_sections++; image->sections = realloc(image->sections, sizeof(image_section_t) * image->num_sections); @@ -906,7 +906,7 @@ int image_add_section(image_t *image, u32 base, u32 size, int flags, u8 *data) section->flags = flags; section->private = malloc(sizeof(u8) * size); memcpy((u8*)section->private, data, size); - + return ERROR_OK; } @@ -915,15 +915,15 @@ int image_close(image_t *image) if (image->type == IMAGE_BINARY) { image_binary_t *image_binary = image->type_private; - + fileio_close(&image_binary->fileio); } else if (image->type == IMAGE_IHEX) { image_ihex_t *image_ihex = image->type_private; - + fileio_close(&image_ihex->fileio); - + if (image_ihex->buffer) { free(image_ihex->buffer); @@ -933,9 +933,9 @@ int image_close(image_t *image) else if (image->type == IMAGE_ELF) { image_elf_t *image_elf = image->type_private; - + fileio_close(&image_elf->fileio); - + if (image_elf->header) { free(image_elf->header); @@ -951,7 +951,7 @@ int image_close(image_t *image) else if (image->type == IMAGE_MEMORY) { image_memory_t *image_memory = image->type_private; - + if (image_memory->cache) { free(image_memory->cache); @@ -961,9 +961,9 @@ int image_close(image_t *image) else if (image->type == IMAGE_SRECORD) { image_mot_t *image_mot = image->type_private; - + fileio_close(&image_mot->fileio); - + if (image_mot->buffer) { free(image_mot->buffer); @@ -973,7 +973,7 @@ int image_close(image_t *image) else if (image->type == IMAGE_BUILDER) { int i; - + for (i = 0; i < image->num_sections; i++) { free(image->sections[i].private); @@ -986,13 +986,13 @@ int image_close(image_t *image) free(image->type_private); image->type_private = NULL; } - + if (image->sections) { free(image->sections); image->sections = NULL; } - + return ERROR_OK; } @@ -1001,7 +1001,7 @@ static u32 crc32_table[256] = {0, 0}; int image_calculate_checksum(u8* buffer, u32 nbytes, u32* checksum) { u32 crc = 0xffffffff; - + if (!crc32_table[1]) { /* Initialize the CRC table and the decoding table. */ @@ -1015,13 +1015,13 @@ int image_calculate_checksum(u8* buffer, u32 nbytes, u32* checksum) crc32_table[i] = c; } } - + while (nbytes--) { /* as per gdb */ crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ *buffer++) & 255]; } - + *checksum = crc; return ERROR_OK; } |