Commit f251b925 authored by ntfreak's avatar ntfreak
Browse files

- 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
parent eba4e394
......@@ -97,9 +97,14 @@ int fileio_open_local(fileio_t *fileio)
return ERROR_FILEIO_OPERATION_FAILED;
}
}
/* win32 always opens in binary mode */
#ifndef _WIN32
if (fileio->type == FILEIO_BINARY)
#endif
{
strcat(access, "b");
}
if (!(fileio_local->file = fopen(fileio->url, access)))
{
......
......@@ -92,6 +92,15 @@ static int autodetect_image_type(image_t *image, char *url)
DEBUG("IHEX image detected.");
image->type = IMAGE_IHEX;
}
else if ((buffer[0] == 'S') /* record start byte */
&&(isxdigit(buffer[1]))
&&(isxdigit(buffer[2]))
&&(isxdigit(buffer[3]))
&&(buffer[1] >= '0') && (buffer[1] < '9'))
{
DEBUG("S19 image detected.");
image->type = IMAGE_SRECORD;
}
else
{
image->type = IMAGE_BINARY;
......@@ -120,6 +129,10 @@ int identify_image_type(image_t *image, char *type_string, char *url)
{
image->type = IMAGE_MEMORY;
}
else if (!strcmp(type_string, "s19"))
{
image->type = IMAGE_SRECORD;
}
else
{
return ERROR_IMAGE_TYPE_UNKNOWN;
......@@ -176,6 +189,7 @@ int image_ihex_buffer_complete(image_t *image)
u32 address;
u32 record_type;
u32 checksum;
u8 cal_checksum = 0;
if (sscanf(&buffer[raw_bytes], ":%2x%4x%2x", &count, &address, &record_type) != 3)
{
......@@ -183,6 +197,11 @@ int image_ihex_buffer_complete(image_t *image)
}
raw_bytes += 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)
......@@ -206,6 +225,7 @@ int image_ihex_buffer_complete(image_t *image)
while (count-- > 0)
{
sscanf(&buffer[raw_bytes], "%2hhx", &ihex->buffer[cooked_bytes]);
cal_checksum += (u8)ihex->buffer[cooked_bytes];
raw_bytes += 2;
cooked_bytes += 1;
section[image->num_sections].size += 1;
......@@ -236,6 +256,8 @@ int image_ihex_buffer_complete(image_t *image)
u16 upper_address;
sscanf(&buffer[raw_bytes], "%4hx", &upper_address);
cal_checksum += (u8)(upper_address >> 8);
cal_checksum += (u8)upper_address;
raw_bytes += 4;
if ((full_address >> 16) != upper_address)
......@@ -261,6 +283,10 @@ int image_ihex_buffer_complete(image_t *image)
u32 start_address;
sscanf(&buffer[raw_bytes], "%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;
raw_bytes += 8;
image->start_address_set = 1;
......@@ -276,6 +302,14 @@ int image_ihex_buffer_complete(image_t *image)
sscanf(&buffer[raw_bytes], "%2x", &checksum);
raw_bytes += 2;
if ((u8)checksum != (u8)(~cal_checksum + 1))
{
/* checksum failed */
free(buffer);
ERROR("incorrect record checksum found in IHEX file");
return ERROR_IMAGE_CHECKSUM;
}
/* consume new-line character(s) */
if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
raw_bytes++;
......@@ -349,16 +383,16 @@ int image_elf_read_headers(image_t *image)
return ERROR_FILEIO_OPERATION_FAILED;
}
/* count useful segments (loadable) */
/* count useful segments (loadable), ignore BSS section */
image->num_sections = 0;
for (i=0;i<elf->segment_count;i++)
if (field32(elf,elf->segments[i].p_type) == PT_LOAD)
if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0))
image->num_sections++;
/* alloc and fill sections array with loadable segments */
image->sections = malloc(image->num_sections * sizeof(image_section_t));
for (i=0,j=0;i<elf->segment_count;i++)
{
if (field32(elf,elf->segments[i].p_type) == PT_LOAD)
if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0))
{
image->sections[j].size = field32(elf,elf->segments[i].p_memsz);
image->sections[j].base_address = field32(elf,elf->segments[i].p_vaddr);
......@@ -424,6 +458,191 @@ int image_elf_read_section(image_t *image, int section, u32 offset, u32 size, u8
return ERROR_OK;
}
int image_mot_buffer_complete(image_t *image)
{
image_mot_t *mot = image->type_private;
fileio_t *fileio = &mot->fileio;
u32 raw_bytes_read, raw_bytes;
int retval;
u32 full_address = 0x0;
char *buffer = malloc(fileio->size);
u32 cooked_bytes;
int i;
/* 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];
if ((retval = fileio_read(fileio, fileio->size, (u8*)buffer, &raw_bytes_read)) != ERROR_OK)
{
free(buffer);
ERROR("failed buffering S19 file, read failed");
return ERROR_FILEIO_OPERATION_FAILED;
}
if (raw_bytes_read != fileio->size)
{
free(buffer);
ERROR("failed buffering complete IHEX file, only partially read");
return ERROR_FILEIO_OPERATION_FAILED;
}
mot->buffer = malloc(fileio->size >> 1);
raw_bytes = 0x0;
cooked_bytes = 0x0;
image->num_sections = 0;
section[image->num_sections].private = &mot->buffer[cooked_bytes];
section[image->num_sections].base_address = 0x0;
section[image->num_sections].size = 0x0;
section[image->num_sections].flags = 0;
while (raw_bytes < raw_bytes_read)
{
u32 count;
u32 address;
u32 record_type;
u32 checksum;
u8 cal_checksum = 0;
/* get record type and record length */
if (sscanf(&buffer[raw_bytes], "S%1x%2x", &record_type, &count) != 2)
{
return ERROR_IMAGE_FORMAT_ERROR;
}
raw_bytes += 4;
cal_checksum += (u8)count;
/* skip checksum byte */
count -=1;
if (record_type == 0)
{
/* S0 - starting record (optional) */
int iValue;
while (count-- > 0) {
sscanf(&buffer[raw_bytes], "%2x", &iValue);
cal_checksum += (u8)iValue;
raw_bytes += 2;
}
}
else if (record_type >= 1 && record_type <= 3)
{
switch( record_type )
{
case 1:
/* S1 - 16 bit address data record */
sscanf(&buffer[raw_bytes], "%4x", &address);
cal_checksum += (u8)(address >> 8);
cal_checksum += (u8)address;
raw_bytes += 4;
count -=2;
break;
case 2:
/* S2 - 24 bit address data record */
sscanf(&buffer[raw_bytes], "%6x", &address);
cal_checksum += (u8)(address >> 16);
cal_checksum += (u8)(address >> 8);
cal_checksum += (u8)address;
raw_bytes += 6;
count -=3;
break;
case 3:
/* S3 - 32 bit address data record */
sscanf(&buffer[raw_bytes], "%8x", &address);
cal_checksum += (u8)(address >> 24);
cal_checksum += (u8)(address >> 16);
cal_checksum += (u8)(address >> 8);
cal_checksum += (u8)address;
raw_bytes += 8;
count -=4;
break;
}
if (full_address != address)
{
/* we encountered a nonconsecutive location, create a new section,
* unless the current section has zero size, in which case this specifies
* the current section's base address
*/
if (section[image->num_sections].size != 0)
{
image->num_sections++;
section[image->num_sections].size = 0x0;
section[image->num_sections].flags = 0;
section[image->num_sections].private = &mot->buffer[cooked_bytes];
}
section[image->num_sections].base_address =
full_address | address;
full_address = full_address | address;
}
while (count-- > 0)
{
sscanf(&buffer[raw_bytes], "%2hhx", &mot->buffer[cooked_bytes]);
cal_checksum += (u8)mot->buffer[cooked_bytes];
raw_bytes += 2;
cooked_bytes += 1;
section[image->num_sections].size += 1;
full_address++;
}
}
else if (record_type >= 7 && record_type <= 9)
{
/* 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++)
{
image->sections[i].private = section[i].private;
image->sections[i].base_address = section[i].base_address +
((image->base_address_set) ? image->base_address : 0);
image->sections[i].size = section[i].size;
image->sections[i].flags = section[i].flags;
}
free(buffer);
return ERROR_OK;
}
else
{
free(buffer);
ERROR("unhandled S19 record type: %i", record_type);
return ERROR_IMAGE_FORMAT_ERROR;
}
/* account for checksum, will always be 0xFF */
sscanf(&buffer[raw_bytes], "%2x", &checksum);
cal_checksum += (u8)checksum;
raw_bytes += 2;
if( cal_checksum != 0xFF )
{
/* checksum failed */
free(buffer);
ERROR("incorrect record checksum found in S19 file");
return ERROR_IMAGE_CHECKSUM;
}
/* 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 S19 file, no end-of-file record found");
return ERROR_IMAGE_FORMAT_ERROR;
}
int image_open(image_t *image, char *url, char *type_string)
{
int retval = ERROR_OK;
......@@ -517,6 +736,28 @@ int image_open(image_t *image, char *url, char *type_string)
image_memory->cache = NULL;
image_memory->cache_address = 0x0;
}
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);
ERROR(image->error_str);
return retval;
}
if ((retval = image_mot_buffer_complete(image)) != ERROR_OK)
{
snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
"failed buffering S19 image, check daemon output for additional information");
ERROR(image->error_str);
fileio_close(&image_mot->fileio);
return retval;
}
}
return retval;
};
......@@ -600,6 +841,14 @@ int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *bu
address += (size_in_cache > size) ? size : size_in_cache;
}
}
else if (image->type == IMAGE_SRECORD)
{
memcpy(buffer, (u8*)image->sections[section].private + offset, size);
*size_read = size;
image->error_str[0] = '\0';
return ERROR_OK;
}
return ERROR_OK;
}
......@@ -640,6 +889,15 @@ int image_close(image_t *image)
if (image_memory->cache)
free(image_memory->cache);
}
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);
}
if (image->type_private)
free(image->type_private);
......
......@@ -42,10 +42,7 @@ typedef enum image_type
IMAGE_IHEX, /* intel hex-record format */
IMAGE_MEMORY, /* target-memory pseudo-image */
IMAGE_ELF, /* ELF binary */
/*
* Possible future enhancements:
* IMAGE_SRECORD,
*/
IMAGE_SRECORD /* motorola s19 */
} image_type_t;
typedef struct image_section_s
......@@ -96,6 +93,12 @@ typedef struct fileio_elf_s
u8 endianness;
} image_elf_t;
typedef struct image_mot_s
{
fileio_t fileio;
u8 *buffer;
} image_mot_t;
extern int image_open(image_t *image, char *url, char *type_string);
extern int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *buffer, u32 *size_read);
extern int image_close(image_t *image);
......@@ -103,5 +106,6 @@ extern int image_close(image_t *image);
#define ERROR_IMAGE_FORMAT_ERROR (-1400)
#define ERROR_IMAGE_TYPE_UNKNOWN (-1401)
#define ERROR_IMAGE_TEMPORARILY_UNAVAILABLE (-1402)
#define ERROR_IMAGE_CHECKSUM (-1403)
#endif /* IMAGE_H */
......@@ -878,7 +878,7 @@ int target_register_user_commands(struct command_context_s *cmd_ctx)
register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf']");
register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
......
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