#include "types.h"
 #include "replacements.h"
 #include "log.h"
+#include "configuration.h"
 
 #include "fileio.h"
 
 
 int fileio_open_local(fileio_t *fileio)
 {
-       fileio_local_t *fileio_local = malloc(sizeof(fileio_local_t));
        char access[4];
        
        switch (fileio->access)
                        strcpy(access, "a+");   
                        break;
                default:
-                       free(fileio_local);
                        ERROR("BUG: access neither read, write nor readwrite");
                        return ERROR_INVALID_ARGUMENTS;
        }
-
+       
        /* win32 always opens in binary mode */
 #ifndef _WIN32
        if (fileio->type == FILEIO_BINARY)
                strcat(access, "b");
        }
        
-       if (!(fileio_local->file = fopen(fileio->url, access)))
+       if (!(fileio->file = open_file_from_path (fileio->url, access)))
        {
-               free(fileio_local);
-               snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "couldn't open %s", fileio->url);
+               ERROR("couldn't open %s", fileio->url);
                return ERROR_FILEIO_OPERATION_FAILED;
        }
        
                 * that refers to e.g. a tftp client */
                int result, result2;
                
-               result = fseek(fileio_local->file, 0, SEEK_END);
-               
-               fileio->size = ftell(fileio_local->file);
+               result = fseek(fileio->file, 0, SEEK_END);
+
+               fileio->size = ftell(fileio->file);
                
-               result2 = fseek(fileio_local->file, 0, SEEK_SET); 
+               result2 = fseek(fileio->file, 0, SEEK_SET); 
                        
-               if ((fileio->size < 0) || (result < 0) || (result2 < 0))
+               if ((fileio->size<0)||(result<0)||(result2<0))
                {
                        fileio_close(fileio);
                        return ERROR_FILEIO_OPERATION_FAILED;
                fileio->size = 0x0;
        }
        
-       fileio->location_private = fileio_local;
-       
        return ERROR_OK;
 }
 
 int fileio_open(fileio_t *fileio, char *url, enum fileio_access access,        enum fileio_type type)
 {
        int retval = ERROR_OK;
-       char *resource_identifier = NULL;
 
-       /* try to identify file location. We only hijack the file paths we understand, the rest is
-        * passed on to the OS which might implement e.g. tftp via a mounted tftp device.
-        */
-       if ((resource_identifier = strstr(url, "bootp://")) && (resource_identifier == url))
-       {
-               ERROR("bootp resource location isn't supported yet");
-               return ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN;
-       }
-       else
-       {
-               /* default to local files */
-               fileio->location = FILEIO_LOCAL;
-       }
-       
        fileio->type = type;
        fileio->access = access;
        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;
-       
-       return ERROR_OK;
+       retval = fileio_open_local(fileio);
+
+       return retval;
 }
 
 int fileio_close_local(fileio_t *fileio)
 {
        int retval;
-       fileio_local_t *fileio_local = fileio->location_private;
-       
-       if (fileio->location_private == NULL)
-       {
-               snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "couldn't close %s: ", fileio->url);
-               return ERROR_FILEIO_OPERATION_FAILED;
-       }
-       
-       if ((retval = fclose(fileio_local->file)) != 0)
+       if ((retval = fclose(fileio->file)) != 0)
        {
                if (retval == EBADF)
                {
-                       snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "BUG: fileio_local->file not a valid file descriptor");
+                       ERROR("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));
+                       ERROR("couldn't close %s: %s", fileio->url, strerror(errno));
                }
 
                return ERROR_FILEIO_OPERATION_FAILED;
        }
        
-       free(fileio->location_private);
-       fileio->location_private = NULL;
-       
        return ERROR_OK;
 }
 
 {
        int retval;
        
-       switch (fileio->location)
-       {
-               case FILEIO_LOCAL:
-                       retval = fileio_close_local(fileio);
-                       break;
-               default:
-                       ERROR("BUG: should never get here");
-                       retval = ERROR_FILEIO_OPERATION_FAILED;
-       }
-       
-       if (retval != ERROR_OK)
-               return retval;
+       retval = fileio_close_local(fileio);
        
        free(fileio->url);
        fileio->url = NULL;
        
-       return ERROR_OK;
+       return retval;
 }
 
-int fileio_seek_local(fileio_t *fileio, u32 position)
+int fileio_seek(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)
+       if ((retval = fseek(fileio->file, position, SEEK_SET)) != 0)
        {
-               snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "couldn't seek file %s: %s", fileio->url, strerror(errno));
+               ERROR("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);
+       *size_read = fread(buffer, 1, size, fileio->file);
        
        return ERROR_OK;
 }
 
 int fileio_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);
-       }
+       return fileio_local_read(fileio, size, buffer, size_read);
 }
 
 int fileio_read_u32(fileio_t *fileio, u32 *data)
        u32 size_read;
        int retval;
        
-       switch (fileio->location)
-       {
-               case FILEIO_LOCAL:
-                       if ((retval = fileio_local_read(fileio, 4, buf, &size_read)) != ERROR_OK)
-                               return retval;
-                       *data = be_to_h_u32(buf);
-                       break;
-               default:
-                       ERROR("BUG: should never get here");
-                       exit(-1);
-       }
+       if ((retval = fileio_local_read(fileio, 4, buf, &size_read)) != ERROR_OK)
+               return retval;
+       *data = be_to_h_u32(buf);
        
        return ERROR_OK;
 }
 
 int fileio_local_fgets(fileio_t *fileio, u32 size, u8 *buffer)
 {
-       fileio_local_t *fileio_local = fileio->location_private;
-       
-       if( fgets(buffer, size, fileio_local->file) == NULL)
+       if( fgets(buffer, size, fileio->file) == NULL)
                return ERROR_FILEIO_OPERATION_FAILED;
        
        return ERROR_OK;
 
 int fileio_fgets(fileio_t *fileio, u32 size, u8 *buffer)
 {
-       switch (fileio->location)
-       {
-               case FILEIO_LOCAL:
-                       return fileio_local_fgets(fileio, size, buffer);
-                       break;
-               default:
-                       ERROR("BUG: should never get here");
-                       exit(-1);
-       }
+       return fileio_local_fgets(fileio, size, buffer);
 }
 
 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);
+       *size_written = fwrite(buffer, 1, size, fileio->file);
        
        return ERROR_OK;
 }
 {
        int retval;
        
-       switch (fileio->location)
-       {
-               case FILEIO_LOCAL:
-                       retval = fileio_local_write(fileio, size, buffer, size_written);
-                       break;
-               default:
-                       ERROR("BUG: should never get here");
-                       exit(-1);
-       }
+       retval = fileio_local_write(fileio, size, buffer, size_written);
        
        if (retval == ERROR_OK)
                fileio->size += *size_written;
        
        h_u32_to_be(buf, data);
        
-       switch (fileio->location)
-       {
-               case FILEIO_LOCAL:
-                       if ((retval = fileio_local_write(fileio, 4, buf, &size_written)) != ERROR_OK)
-                               return retval;
-                       break;
-               default:
-                       ERROR("BUG: should never get here");
-       }
+       if ((retval = fileio_local_write(fileio, 4, buf, &size_written)) != ERROR_OK)
+               return retval;
        
        return ERROR_OK;
 }
 
 #include "target.h"
 
 /* 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))
+#define field16(elf,field)\
+       ((elf->endianness==ELFDATA2LSB)? \
+               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))
+#define field32(elf,field)\
+       ((elf->endianness==ELFDATA2LSB)? \
+               le_to_h_u32((u8*)&field):be_to_h_u32((u8*)&field)) 
 
 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);
-               ERROR(image->error_str);
                return retval;
        }
        if ((retval = fileio_read(&fileio, 9, buffer, &read_bytes)) != ERROR_OK)
        {
-               snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot read image header: %s", fileio.error_str);
-               ERROR(image->error_str);
                return ERROR_FILEIO_OPERATION_FAILED;
        }
        if (read_bytes != 9)
        {
-               snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot read image, only partially read");
-               ERROR(image->error_str);
                return ERROR_FILEIO_OPERATION_FAILED;
        }
        fileio_close(&fileio);
                DEBUG("ELF image detected.");
                image->type = IMAGE_ELF;
        }
-       else if ((buffer[0] == ':') /* record start byte */
+       else if  ((buffer[0]==':') /* record start byte */
                &&(isxdigit(buffer[1]))
                &&(isxdigit(buffer[2]))
                &&(isxdigit(buffer[3]))
                &&(isxdigit(buffer[4]))
                &&(isxdigit(buffer[5]))
                &&(isxdigit(buffer[6]))
-               &&(buffer[7] == '0') /* record type : 00 -> 05 */
-               &&(buffer[8] >= '0') && (buffer[8] < '6'))
+               &&(buffer[7]=='0') /* record type : 00 -> 05 */
+               &&(buffer[8]>='0')&&(buffer[8]<'6'))
        {
                DEBUG("IHEX image detected.");
                image->type = IMAGE_IHEX;
        {
                return autodetect_image_type(image, url);
        }
-
+       
        return ERROR_OK;
 }
 
        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];
        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;
                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)
                                        (full_address & 0xffff0000) | address;
                                full_address = (full_address & 0xffff0000) | address;
                        }
-
+                       
                        while (count-- > 0)
                        {
                                sscanf(&lpszLine[bytes_read], "%2x", (u32*)&ihex->buffer[cooked_bytes]);
                {
                        /* 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++)
                                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,
                                        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);
                        }
                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)
                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,
                                        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);
                        }
                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);
                }
                        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 */
                        return ERROR_IMAGE_CHECKSUM;
                }
        }
-
+       
        ERROR("premature end of IHEX file, no end-of-file record found");
        return ERROR_IMAGE_FORMAT_ERROR;
 }
                return ERROR_FILEIO_OPERATION_FAILED;
        }
 
-       if (strncmp((char*)elf->header->e_ident,ELFMAG,SELFMAG) != 0)
+       if (strncmp((char*)elf->header->e_ident,ELFMAG,SELFMAG)!=0)
        {
                ERROR("invalid ELF file, bad magic number");
                return ERROR_IMAGE_FORMAT_ERROR;
        }
-       if (elf->header->e_ident[EI_CLASS] != ELFCLASS32)
+       if (elf->header->e_ident[EI_CLASS]!=ELFCLASS32)
        {
                ERROR("invalid ELF file, only 32bits files are supported");
                return ERROR_IMAGE_FORMAT_ERROR;
 
 
        elf->endianness = elf->header->e_ident[EI_DATA];
-       if ((elf->endianness != ELFDATA2LSB)
-                &&(elf->endianness != ELFDATA2MSB))
+       if ((elf->endianness!=ELFDATA2LSB)
+                &&(elf->endianness!=ELFDATA2MSB))
        {
                ERROR("invalid ELF file, unknown endianess setting");
                return ERROR_IMAGE_FORMAT_ERROR;
        }
 
-       elf->segment_count = field16(elf, elf->header->e_phnum);
-       if (elf->segment_count == 0)
+       elf->segment_count = field16(elf,elf->header->e_phnum);
+       if (elf->segment_count==0)
        {
                ERROR("invalid ELF file, no program headers");
                return ERROR_IMAGE_FORMAT_ERROR;
        }
 
-       elf->segments = malloc(elf->segment_count * sizeof(Elf32_Phdr));
+       elf->segments = malloc(elf->segment_count*sizeof(Elf32_Phdr));
 
-       if ((retval = fileio_read(&elf->fileio, elf->segment_count * sizeof(Elf32_Phdr), (u8*)elf->segments, &read_bytes)) != ERROR_OK)
+       if ((retval = fileio_read(&elf->fileio, elf->segment_count*sizeof(Elf32_Phdr), (u8*)elf->segments, &read_bytes)) != ERROR_OK)
        {
                ERROR("cannot read ELF segment headers, read failed");
                return retval;
        }
-       if (read_bytes != elf->segment_count * sizeof(Elf32_Phdr))
+       if (read_bytes != elf->segment_count*sizeof(Elf32_Phdr))
        {
                ERROR("cannot read ELF segment headers, only partially read");
                return ERROR_FILEIO_OPERATION_FAILED;
 
        /* count useful segments (loadable), ignore BSS section */
        image->num_sections = 0;
-       for (i = 0; i < elf->segment_count; i++)
+       for (i=0;i<elf->segment_count;i++)
                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++)
+       for (i=0,j=0;i<elf->segment_count;i++)
        {
                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_filesz);
-                       image->sections[j].base_address = field32(elf, elf->segments[i].p_paddr);
+                       image->sections[j].size = field32(elf,elf->segments[i].p_filesz);
+                       image->sections[j].base_address = field32(elf,elf->segments[i].p_paddr);
                        image->sections[j].private = &elf->segments[i];
-                       image->sections[j].flags = field32(elf, elf->segments[i].p_flags);
+                       image->sections[j].flags = field32(elf,elf->segments[i].p_flags);
                        j++;
                }
        }
-
+               
        image->start_address_set = 1;
-       image->start_address = field32(elf, elf->header->e_entry);
+       image->start_address = field32(elf,elf->header->e_entry);
 
        return ERROR_OK;
 }
 {
        image_elf_t *elf = image->type_private;
        Elf32_Phdr *segment = (Elf32_Phdr *)image->sections[section].private;
-       u32 read_size, really_read;
+       u32 read_size,really_read;
        int retval;
 
        *size_read = 0;
-
-       DEBUG("load segment %d at 0x%x (sz = 0x%x)", section, offset, size);
+       
+       DEBUG("load segment %d at 0x%x (sz=0x%x)",section,offset,size);
 
        /* read initialized data in current segment if any */
-       if (offset < field32(elf, segment->p_filesz))
+       if (offset<field32(elf,segment->p_filesz))
        {
                /* maximal size present in file for the current segment */
-               read_size = MIN(size, field32(elf, segment->p_filesz) - offset);
-               DEBUG("read elf: size = 0x%x at 0x%x", read_size,
-                       field32(elf, segment->p_offset) + offset);
+               read_size = MIN(size, field32(elf,segment->p_filesz)-offset);
+               DEBUG("read elf: size = 0x%x at 0x%x",read_size,
+                       field32(elf,segment->p_offset)+offset);
                /* read initialized area of the segment */
-               if ((retval = fileio_seek(&elf->fileio, field32(elf, segment->p_offset) + offset)) != ERROR_OK)
+               if ((retval = fileio_seek(&elf->fileio, field32(elf,segment->p_offset)+offset)) != ERROR_OK)
                {
                        ERROR("cannot find ELF segment content, seek failed");
                        return retval;
                if (!size)
                        return ERROR_OK;
        }
-
+       
        return ERROR_OK;
 }
 
        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;
        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;
                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;
                                        bytes_read += 4;
                                        count -=2;
                                        break;
-
+                       
                                case 2:
                                        /* S2 - 24 bit address data record */
                                        sscanf(&lpszLine[bytes_read], "%6x", &address);
                                        bytes_read += 6;
                                        count -=3;
                                        break;
-
+                                       
                                case 3:
                                        /* S3 - 32 bit address data record */
                                        sscanf(&lpszLine[bytes_read], "%8x", &address);
                                        bytes_read += 8;
                                        count -=4;
                                        break;
+                       
                        }
-
+                       
                        if (full_address != address)
                        {
                                /* we encountered a nonconsecutive location, create a new section,
                                section[image->num_sections].base_address = address;
                                full_address = address;
                        }
-
+                       
                        while (count-- > 0)
                        {
                                sscanf(&lpszLine[bytes_read], "%2x", (u32*)&mot->buffer[cooked_bytes]);
                {
                        /* S5 is the data count record, we ignore it */
                        u32 dummy;
-
+                       
                        while (count-- > 0)
                        {
                                sscanf(&lpszLine[bytes_read], "%2x", &dummy);
                {
                        /* 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].size = section[i].size;
                                image->sections[i].flags = section[i].flags;
                        }
-
+                       
                        return ERROR_OK;
                }
                else
                        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 */
                        return ERROR_IMAGE_CHECKSUM;
                }
        }
-
+       
        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;
-
+       
        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);
-                       ERROR(image->error_str);
                        return retval;
                }
-
+               
                image->num_sections = 1;
                image->sections = malloc(sizeof(image_section_t));
                image->sections[0].base_address = 0x0;
        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);
-                       ERROR(image->error_str);
                        return retval;
                }
-
+               
                if ((retval = image_ihex_buffer_complete(image)) != ERROR_OK)
                {
-                       snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
-                               "failed buffering IHEX image, check daemon output for additional information");
-                       ERROR(image->error_str);
+                       ERROR("failed buffering IHEX image, check daemon output for additional information");
                        fileio_close(&image_ihex->fileio);
                        return retval;
                }
        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);
-                       ERROR(image->error_str);
                        return retval;
                }
-
+               
                if ((retval = image_elf_read_headers(image)) != ERROR_OK)
                {
-                       snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
-                               "failed to read ELF headers, check daemon output for additional information");
-                       ERROR(image->error_str);
                        fileio_close(&image_elf->fileio);
                        return retval;
                }
        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;
        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);
+                       ERROR("failed buffering S19 image, check daemon output for additional information");
                        fileio_close(&image_mot->fileio);
                        return retval;
                }
        {
                /* relocate */
                int section;
-               for (section = 0; section < image->num_sections; section++)
+               for (section=0; section < image->num_sections; section++)
                {
-                       image->sections[section].base_address += image->base_address;
+                       image->sections[section].base_address+=image->base_address;
                }
                /* we're done relocating. The two statements below are mainly
                 * for documenation purposes: stop anyone from empirically
                 * thinking they should use these values henceforth. */
-               image->base_address = 0;
-               image->base_address_set = 0;
+               image->base_address=0;
+               image->base_address_set=0;
        }
-
+       
        return retval;
 };
 
        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)
                {
-                       strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING);
                        return retval;
                }
        }
        {
                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)
        {
                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)
                                {
                                }
                                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;
                }
        {
                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)
        {
                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))
                        return ERROR_OK;
                }
        }
-
+               
        /* allocate new section */
        image->num_sections++;
        image->sections = realloc(image->sections, sizeof(image_section_t) * image->num_sections);
        section->flags = flags;
        section->private = malloc(sizeof(u8) * size);
        memcpy((u8*)section->private, data, size);
-
+       
        return ERROR_OK;
 }
 
        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);
        else if (image->type == IMAGE_ELF)
        {
                image_elf_t *image_elf = image->type_private;
-
+               
                fileio_close(&image_elf->fileio);
 
                if (image_elf->header)
        else if (image->type == IMAGE_MEMORY)
        {
                image_memory_t *image_memory = image->type_private;
-
+               
                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);
        else if (image->type == IMAGE_BUILDER)
        {
                int i;
-
+               
                for (i = 0; i < image->num_sections; i++)
                {
                        free(image->sections[i].private);
                free(image->type_private);
                image->type_private = NULL;
        }
-
+       
        if (image->sections)
        {
                free(image->sections);
                image->sections = NULL;
        }
-
+       
        return ERROR_OK;
 }
 
 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.  */
                        crc32_table[i] = c;
                }
        }
-
+       
        while (nbytes--)
        {
                /* as per gdb */
                crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ *buffer++) & 255];
        }
-
+       
        *checksum = crc;
        return ERROR_OK;
 }
 
-
-
 
 
 int xscale_receive(target_t *target, u32 *buffer, int num_words)
 {
-       int retval = ERROR_OK;
+       int retval=ERROR_OK;
        armv4_5_common_t *armv4_5 = target->arch_info;
        xscale_common_t *xscale = armv4_5->arch_info;
 
        jtag_add_runtest(1, -1);
 
        /* repeat until all words have been collected */
-       int attempts = 0;
+       int attempts=0;
        while (words_done < num_words)
        {
                /* schedule reads */
                                words_scheduled--;
                        }
                }
-               if (words_scheduled == 0)
+               if (words_scheduled==0)
                {
-                       if (attempts++ == 1000)
+                       if (attempts++==1000)
                        {
                                ERROR("Failed to receiving data from debug handler after 1000 attempts");
-                               retval = ERROR_JTAG_QUEUE_FAILED;
+                               retval=ERROR_JTAG_QUEUE_FAILED;
                                break;
                        }
                }
        noconsume_path[6] = TAP_SDS;
        noconsume_path[7] = TAP_CD;
        noconsume_path[8] = TAP_SD;
-
+       
        fields[0].device = xscale->jtag_info.chain_pos;
        fields[0].num_bits = 3;
        fields[0].out_value = NULL;
        {
                jtag_set_check_value(fields+2, &field2_check_value, &field2_check_mask, NULL);
        }
-
+       
        if (size==4)
        {
                int endianness = target->endianness;
        {
                while (done_count++ < count)
                {
-               /* extract sized element from target-endian buffer, and put it
-                * into little-endian output buffer
-                */
-               switch (size)
-               {
-                       case 2:
-                               buf_set_u32(output, 0, 32, target_buffer_get_u16(target, buffer));
-                               break;
-                       case 1:
-                               output[0] = *buffer;
-                               break;
-                       default:
-                               ERROR("BUG: size neither 4, 2 nor 1");
-                               exit(-1);
-               }
-
-               jtag_add_dr_scan(3, fields, TAP_RTI);
-               buffer += size;
-       }
+                       /* extract sized element from target-endian buffer, and put it
+                        * into little-endian output buffer
+                        */
+                       switch (size)
+                       {
+                               case 2:
+                                       buf_set_u32(output, 0, 32, target_buffer_get_u16(target, buffer));
+                                       break;
+                               case 1:
+                                       output[0] = *buffer;
+                                       break;
+                               default:
+                                       ERROR("BUG: size neither 4, 2 nor 1");
+                                       exit(-1);
+                       }
 
+                       jtag_add_dr_scan(3, fields, TAP_RTI);
+                       buffer += size;
+               }
+               
        }
 
        if ((retval = jtag_execute_queue()) != ERROR_OK)
                        /* here we "lie" so GDB won't get stuck and a reset can be perfomed */
                        target->state = TARGET_HALTED;
                }
-
-                       /* debug_entry could have overwritten target state (i.e. immediate resume)
-                        * don't signal event handlers in that case
-                        */
+               
+               /* debug_entry could have overwritten target state (i.e. immediate resume)
+                * don't signal event handlers in that case
+                */
                if (target->state != TARGET_HALTED)
                        return ERROR_OK;
 
                else
                        target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
        }
+
        return retval;
 }
 
                xscale_write_dcsr(target, 1, 0);
 
                /* Load debug handler */
-               if (fileio_open(&debug_handler, PKGLIBDIR "/xscale/debug_handler.bin", FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
+               if (fileio_open(&debug_handler, "xscale/debug_handler.bin", FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
                {
-                       ERROR("file open error: %s", debug_handler.error_str);
                        return ERROR_OK;
                }
 
 
                        if ((retval = fileio_read(&debug_handler, 32, buffer, &buf_cnt)) != ERROR_OK)
                        {
-                               ERROR("reading debug handler failed: %s", debug_handler.error_str);
+                               
                        }
 
                        for (i = 0; i < buf_cnt; i += 4)
 {
        armv4_5_common_t *armv4_5 = target->arch_info;
        xscale_common_t *xscale = armv4_5->arch_info;
-       u8 enable = 0;
+       u8 enable=0;
        reg_t *dbcon = &xscale->reg_cache->reg_list[XSCALE_DBCON];
        u32 dbcon_value = buf_get_u32(dbcon->value, 0, 32);
 
        xscale->armv4_5_mmu.enable_mmu_caches = xscale_enable_mmu_caches;
        xscale->armv4_5_mmu.has_tiny_pages = 1;
        xscale->armv4_5_mmu.mmu_enabled = 0;
-
+       
        xscale->fast_memory_access = 0;
 
        return ERROR_OK;
        int domain;
        u32 ap;
        
+       
        if ((retval = xscale_get_arch_pointers(target, &armv4_5, &xscale)) != ERROR_OK)
        {
                return retval;
        {
                return ret;
        }
-       
        *physical = ret;
        return ERROR_OK;
 }
 {
        armv4_5_common_t *armv4_5 = target->arch_info;
        xscale_common_t *xscale = armv4_5->arch_info;
-
+       
        if (target->state != TARGET_HALTED)
        {
                ERROR("Target not halted");
                return ERROR_TARGET_INVALID;
        }
-       
        *enabled = xscale->armv4_5_mmu.mmu_enabled;
        return ERROR_OK;
 }
 
+
 int xscale_handle_mmu_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
 {
        target_t *target = get_current_target(cmd_ctx);
 
        if (image_open(xscale->trace.image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
        {
-               command_print(cmd_ctx, "image opening error: %s", xscale->trace.image->error_str);
                free(xscale->trace.image);
                xscale->trace.image = NULL;
                return ERROR_OK;
 
        if (fileio_open(&file, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
        {
-               command_print(cmd_ctx, "file open error: %s", file.error_str);
                return ERROR_OK;
        }
 
        register_command(cmd_ctx, xscale_cmd, "cp15", xscale_handle_cp15, COMMAND_EXEC, "access coproc 15 <register> [value]");
        register_command(cmd_ctx, xscale_cmd, "fast_memory_access", handle_xscale_fast_memory_access_command,
                 COMMAND_ANY, "use fast memory accesses instead of slower but potentially unsafe slow accesses <enable|disable>");
+
        
        armv4_5_register_commands(cmd_ctx);