- motorola s19 file loader added
- added checksum support to intel hex file loader - elf file loader now ignores any bss sections - mingw build now always opens files in binary mode git-svn-id: svn://svn.berlios.de/openocd/trunk@185 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
ntfreak
parent
eba4e394d8
commit
f251b925ff
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@ -97,9 +97,14 @@ int fileio_open_local(fileio_t *fileio)
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return ERROR_FILEIO_OPERATION_FAILED;
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}
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}
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/* win32 always opens in binary mode */
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#ifndef _WIN32
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if (fileio->type == FILEIO_BINARY)
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#endif
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{
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strcat(access, "b");
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}
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if (!(fileio_local->file = fopen(fileio->url, access)))
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{
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@ -92,6 +92,15 @@ static int autodetect_image_type(image_t *image, char *url)
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DEBUG("IHEX image detected.");
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image->type = IMAGE_IHEX;
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}
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else if ((buffer[0] == 'S') /* record start byte */
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&&(isxdigit(buffer[1]))
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&&(isxdigit(buffer[2]))
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&&(isxdigit(buffer[3]))
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&&(buffer[1] >= '0') && (buffer[1] < '9'))
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{
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DEBUG("S19 image detected.");
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image->type = IMAGE_SRECORD;
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}
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else
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{
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image->type = IMAGE_BINARY;
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@ -120,6 +129,10 @@ int identify_image_type(image_t *image, char *type_string, char *url)
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{
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image->type = IMAGE_MEMORY;
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}
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else if (!strcmp(type_string, "s19"))
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{
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image->type = IMAGE_SRECORD;
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}
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else
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{
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return ERROR_IMAGE_TYPE_UNKNOWN;
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@ -176,6 +189,7 @@ int image_ihex_buffer_complete(image_t *image)
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u32 address;
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u32 record_type;
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u32 checksum;
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u8 cal_checksum = 0;
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if (sscanf(&buffer[raw_bytes], ":%2x%4x%2x", &count, &address, &record_type) != 3)
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{
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@ -183,6 +197,11 @@ int image_ihex_buffer_complete(image_t *image)
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}
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raw_bytes += 9;
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cal_checksum += (u8)count;
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cal_checksum += (u8)(address >> 8);
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cal_checksum += (u8)address;
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cal_checksum += (u8)record_type;
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if (record_type == 0) /* Data Record */
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{
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if ((full_address & 0xffff) != address)
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@ -206,6 +225,7 @@ int image_ihex_buffer_complete(image_t *image)
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while (count-- > 0)
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{
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sscanf(&buffer[raw_bytes], "%2hhx", &ihex->buffer[cooked_bytes]);
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cal_checksum += (u8)ihex->buffer[cooked_bytes];
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raw_bytes += 2;
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cooked_bytes += 1;
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section[image->num_sections].size += 1;
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@ -236,6 +256,8 @@ int image_ihex_buffer_complete(image_t *image)
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u16 upper_address;
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sscanf(&buffer[raw_bytes], "%4hx", &upper_address);
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cal_checksum += (u8)(upper_address >> 8);
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cal_checksum += (u8)upper_address;
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raw_bytes += 4;
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if ((full_address >> 16) != upper_address)
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@ -261,6 +283,10 @@ int image_ihex_buffer_complete(image_t *image)
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u32 start_address;
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sscanf(&buffer[raw_bytes], "%8x", &start_address);
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cal_checksum += (u8)(start_address >> 24);
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cal_checksum += (u8)(start_address >> 16);
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cal_checksum += (u8)(start_address >> 8);
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cal_checksum += (u8)start_address;
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raw_bytes += 8;
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image->start_address_set = 1;
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@ -276,6 +302,14 @@ int image_ihex_buffer_complete(image_t *image)
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sscanf(&buffer[raw_bytes], "%2x", &checksum);
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raw_bytes += 2;
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if ((u8)checksum != (u8)(~cal_checksum + 1))
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{
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/* checksum failed */
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free(buffer);
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ERROR("incorrect record checksum found in IHEX file");
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return ERROR_IMAGE_CHECKSUM;
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}
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/* consume new-line character(s) */
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if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
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raw_bytes++;
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@ -349,16 +383,16 @@ int image_elf_read_headers(image_t *image)
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return ERROR_FILEIO_OPERATION_FAILED;
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}
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/* count useful segments (loadable) */
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/* count useful segments (loadable), ignore BSS section */
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image->num_sections = 0;
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for (i=0;i<elf->segment_count;i++)
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if (field32(elf,elf->segments[i].p_type) == PT_LOAD)
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if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0))
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image->num_sections++;
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/* alloc and fill sections array with loadable segments */
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image->sections = malloc(image->num_sections * sizeof(image_section_t));
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for (i=0,j=0;i<elf->segment_count;i++)
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{
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if (field32(elf,elf->segments[i].p_type) == PT_LOAD)
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if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0))
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{
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image->sections[j].size = field32(elf,elf->segments[i].p_memsz);
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image->sections[j].base_address = field32(elf,elf->segments[i].p_vaddr);
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@ -424,6 +458,191 @@ int image_elf_read_section(image_t *image, int section, u32 offset, u32 size, u8
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return ERROR_OK;
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}
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int image_mot_buffer_complete(image_t *image)
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{
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image_mot_t *mot = image->type_private;
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fileio_t *fileio = &mot->fileio;
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u32 raw_bytes_read, raw_bytes;
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int retval;
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u32 full_address = 0x0;
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char *buffer = malloc(fileio->size);
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u32 cooked_bytes;
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int i;
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/* we can't determine the number of sections that we'll have to create ahead of time,
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* so we locally hold them until parsing is finished */
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image_section_t section[IMAGE_MAX_SECTIONS];
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if ((retval = fileio_read(fileio, fileio->size, (u8*)buffer, &raw_bytes_read)) != ERROR_OK)
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{
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free(buffer);
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ERROR("failed buffering S19 file, read failed");
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return ERROR_FILEIO_OPERATION_FAILED;
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}
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if (raw_bytes_read != fileio->size)
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{
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free(buffer);
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ERROR("failed buffering complete IHEX file, only partially read");
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return ERROR_FILEIO_OPERATION_FAILED;
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}
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mot->buffer = malloc(fileio->size >> 1);
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raw_bytes = 0x0;
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cooked_bytes = 0x0;
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image->num_sections = 0;
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section[image->num_sections].private = &mot->buffer[cooked_bytes];
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section[image->num_sections].base_address = 0x0;
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section[image->num_sections].size = 0x0;
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section[image->num_sections].flags = 0;
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while (raw_bytes < raw_bytes_read)
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{
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u32 count;
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u32 address;
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u32 record_type;
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u32 checksum;
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u8 cal_checksum = 0;
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/* get record type and record length */
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if (sscanf(&buffer[raw_bytes], "S%1x%2x", &record_type, &count) != 2)
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{
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return ERROR_IMAGE_FORMAT_ERROR;
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}
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raw_bytes += 4;
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cal_checksum += (u8)count;
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/* skip checksum byte */
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count -=1;
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if (record_type == 0)
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{
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/* S0 - starting record (optional) */
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int iValue;
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while (count-- > 0) {
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sscanf(&buffer[raw_bytes], "%2x", &iValue);
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cal_checksum += (u8)iValue;
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raw_bytes += 2;
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}
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}
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else if (record_type >= 1 && record_type <= 3)
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{
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switch( record_type )
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{
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case 1:
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/* S1 - 16 bit address data record */
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sscanf(&buffer[raw_bytes], "%4x", &address);
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cal_checksum += (u8)(address >> 8);
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cal_checksum += (u8)address;
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raw_bytes += 4;
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count -=2;
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break;
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case 2:
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/* S2 - 24 bit address data record */
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sscanf(&buffer[raw_bytes], "%6x", &address);
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cal_checksum += (u8)(address >> 16);
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cal_checksum += (u8)(address >> 8);
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cal_checksum += (u8)address;
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raw_bytes += 6;
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count -=3;
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break;
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case 3:
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/* S3 - 32 bit address data record */
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sscanf(&buffer[raw_bytes], "%8x", &address);
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cal_checksum += (u8)(address >> 24);
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cal_checksum += (u8)(address >> 16);
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cal_checksum += (u8)(address >> 8);
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cal_checksum += (u8)address;
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raw_bytes += 8;
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count -=4;
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break;
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}
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if (full_address != address)
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{
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/* we encountered a nonconsecutive location, create a new section,
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* unless the current section has zero size, in which case this specifies
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* the current section's base address
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*/
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if (section[image->num_sections].size != 0)
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{
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image->num_sections++;
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section[image->num_sections].size = 0x0;
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section[image->num_sections].flags = 0;
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section[image->num_sections].private = &mot->buffer[cooked_bytes];
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}
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section[image->num_sections].base_address =
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full_address | address;
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full_address = full_address | address;
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}
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while (count-- > 0)
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{
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sscanf(&buffer[raw_bytes], "%2hhx", &mot->buffer[cooked_bytes]);
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cal_checksum += (u8)mot->buffer[cooked_bytes];
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raw_bytes += 2;
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cooked_bytes += 1;
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section[image->num_sections].size += 1;
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full_address++;
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}
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}
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else if (record_type >= 7 && record_type <= 9)
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{
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/* S7, S8, S9 - ending records for 32, 24 and 16bit */
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image->num_sections++;
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/* copy section information */
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image->sections = malloc(sizeof(image_section_t) * image->num_sections);
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for (i = 0; i < image->num_sections; i++)
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{
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image->sections[i].private = section[i].private;
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image->sections[i].base_address = section[i].base_address +
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((image->base_address_set) ? image->base_address : 0);
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image->sections[i].size = section[i].size;
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image->sections[i].flags = section[i].flags;
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}
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free(buffer);
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return ERROR_OK;
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}
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else
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{
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free(buffer);
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ERROR("unhandled S19 record type: %i", record_type);
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return ERROR_IMAGE_FORMAT_ERROR;
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}
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/* account for checksum, will always be 0xFF */
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sscanf(&buffer[raw_bytes], "%2x", &checksum);
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cal_checksum += (u8)checksum;
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raw_bytes += 2;
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if( cal_checksum != 0xFF )
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{
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/* checksum failed */
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free(buffer);
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ERROR("incorrect record checksum found in S19 file");
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return ERROR_IMAGE_CHECKSUM;
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}
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/* consume new-line character(s) */
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if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
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raw_bytes++;
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if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
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raw_bytes++;
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}
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free(buffer);
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ERROR("premature end of S19 file, no end-of-file record found");
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return ERROR_IMAGE_FORMAT_ERROR;
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}
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int image_open(image_t *image, char *url, char *type_string)
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{
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int retval = ERROR_OK;
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@ -517,6 +736,28 @@ int image_open(image_t *image, char *url, char *type_string)
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image_memory->cache = NULL;
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image_memory->cache_address = 0x0;
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}
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else if (image->type == IMAGE_SRECORD)
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{
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image_mot_t *image_mot;
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image_mot = image->type_private = malloc(sizeof(image_mot_t));
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if ((retval = fileio_open(&image_mot->fileio, url, FILEIO_READ, FILEIO_TEXT)) != ERROR_OK)
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{
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strncpy(image->error_str, image_mot->fileio.error_str, IMAGE_MAX_ERROR_STRING);
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ERROR(image->error_str);
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return retval;
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}
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if ((retval = image_mot_buffer_complete(image)) != ERROR_OK)
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{
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snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
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"failed buffering S19 image, check daemon output for additional information");
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ERROR(image->error_str);
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fileio_close(&image_mot->fileio);
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return retval;
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}
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}
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return retval;
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};
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@ -600,6 +841,14 @@ int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *bu
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address += (size_in_cache > size) ? size : size_in_cache;
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}
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}
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else if (image->type == IMAGE_SRECORD)
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{
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memcpy(buffer, (u8*)image->sections[section].private + offset, size);
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*size_read = size;
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image->error_str[0] = '\0';
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return ERROR_OK;
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}
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return ERROR_OK;
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}
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@ -640,6 +889,15 @@ int image_close(image_t *image)
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if (image_memory->cache)
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free(image_memory->cache);
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}
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else if (image->type == IMAGE_SRECORD)
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{
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image_mot_t *image_mot = image->type_private;
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fileio_close(&image_mot->fileio);
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if (image_mot->buffer)
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free(image_mot->buffer);
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}
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if (image->type_private)
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free(image->type_private);
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@ -42,10 +42,7 @@ typedef enum image_type
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IMAGE_IHEX, /* intel hex-record format */
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IMAGE_MEMORY, /* target-memory pseudo-image */
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IMAGE_ELF, /* ELF binary */
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/*
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* Possible future enhancements:
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* IMAGE_SRECORD,
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*/
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IMAGE_SRECORD /* motorola s19 */
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} image_type_t;
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typedef struct image_section_s
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@ -96,6 +93,12 @@ typedef struct fileio_elf_s
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u8 endianness;
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} image_elf_t;
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typedef struct image_mot_s
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{
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fileio_t fileio;
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u8 *buffer;
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} image_mot_t;
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extern int image_open(image_t *image, char *url, char *type_string);
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extern int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *buffer, u32 *size_read);
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extern int image_close(image_t *image);
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@ -103,5 +106,6 @@ extern int image_close(image_t *image);
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#define ERROR_IMAGE_FORMAT_ERROR (-1400)
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#define ERROR_IMAGE_TYPE_UNKNOWN (-1401)
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#define ERROR_IMAGE_TEMPORARILY_UNAVAILABLE (-1402)
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#define ERROR_IMAGE_CHECKSUM (-1403)
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#endif /* IMAGE_H */
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@ -878,7 +878,7 @@ int target_register_user_commands(struct command_context_s *cmd_ctx)
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register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
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register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
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register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf']");
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register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
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register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
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register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
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register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
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