]> git.sur5r.net Git - openocd/blobdiff - src/helper/fileio.c
- only some cosmetic changes, convert \r\n to unix
[openocd] / src / helper / fileio.c
index 1e4353afbe8ea7c422a0a0207bccbf287d8eb3bd..3ee0b18bc6651f6d58abc7e3b479ca2c0319dd83 100644 (file)
@@ -97,9 +97,14 @@ int fileio_open_local(fileio_t *fileio)
                        return ERROR_FILEIO_OPERATION_FAILED;
                }
        }
-       
-       if (fileio->pri_type == FILEIO_IMAGE)
+
+       /* 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)))
        {
@@ -120,149 +125,30 @@ int fileio_open_local(fileio_t *fileio)
        return ERROR_OK;
 }
 
-//#ifdef FILEIO_BUFFER_COMPLETE_IHEX
-int fileio_ihex_buffer_complete(fileio_t *fileio)
-{
-       fileio_image_t *image = fileio->pri_type_private;
-       fileio_ihex_t *ihex = fileio->sec_type_private;
-       u32 raw_bytes_read, raw_bytes;
-       int retval;
-       u32 full_address = image->base_address;
-       char *buffer = malloc(ihex->raw_size);
-       u32 cooked_bytes = 0x0;
-       
-       ihex->raw_size = fileio->size;
-       ihex->buffer = malloc(ihex->raw_size >> 1);
-       
-       if ((retval = fileio_dispatch_read(fileio, ihex->raw_size, (u8*)buffer, &raw_bytes_read)) != ERROR_OK)
-       {
-               free(buffer);
-               ERROR("failed buffering IHEX file, read failed");
-               return ERROR_FILEIO_OPERATION_FAILED;
-       }
-       
-       if (raw_bytes_read != ihex->raw_size)
-       {
-               free(buffer);
-               ERROR("failed buffering complete IHEX file, only partially read");
-               return ERROR_FILEIO_OPERATION_FAILED;
-       }
-       
-       raw_bytes = 0x0;
-       while (raw_bytes < raw_bytes_read)
-       {
-               u32 count;
-               u32 address;
-               u32 record_type;
-               u32 checksum;
-               
-               if (sscanf(&buffer[raw_bytes], ":%2x%4x%2x", &count, &address, &record_type) != 3)
-               {
-                       snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "invalid IHEX record");
-                       return ERROR_FILEIO_OPERATION_FAILED;
-               }
-               raw_bytes += 9;
-               
-               if (record_type == 0)
-               {
-                       if ((full_address & 0xffff) != address)
-                       {
-                               free(buffer);
-                               ERROR("can't handle non-linear IHEX file");
-                               snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "can't handle non-linear IHEX file");
-                               return ERROR_FILEIO_OPERATION_FAILED;
-                       }
-                       
-                       while (count-- > 0)
-                       {
-                               sscanf(&buffer[raw_bytes], "%2hhx", &ihex->buffer[cooked_bytes]);
-                               raw_bytes += 2;
-                               cooked_bytes += 1;
-                               full_address++;
-                       }
-               }
-               else if (record_type == 1)
-               {
-                       free(buffer);
-                       fileio->size = cooked_bytes;
-                       return ERROR_OK;
-               }
-               else if (record_type == 4)
-               {
-                       u16 upper_address;
-                       
-                       sscanf(&buffer[raw_bytes], "%4hx", &upper_address);
-                       raw_bytes += 4;
-                       
-                       if ((full_address >> 16) != upper_address)
-                       {
-                               free(buffer);
-                               ERROR("can't handle non-linear IHEX file");
-                               snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "can't handle non-linear IHEX file");
-                               return ERROR_FILEIO_OPERATION_FAILED;
-                       }
-               }
-               else if (record_type == 5)
-               {
-                       u32 start_address;
-                       
-                       sscanf(&buffer[raw_bytes], "%8x", &start_address);
-                       raw_bytes += 8;
-                       
-                       image->has_start_address = 1;
-                       image->start_address = be_to_h_u32((u8*)&start_address);
-               }
-               else
-               {
-                       free(buffer);
-                       ERROR("unhandled IHEX record type: %i", record_type);
-                       snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "unhandled IHEX record type: %i", record_type);
-                       return ERROR_FILEIO_OPERATION_FAILED;
-               }
-               
-               sscanf(&buffer[raw_bytes], "%2x", &checksum);
-               raw_bytes += 2;
-               
-               /* 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 IHEX file, no end-of-file record found");
-       snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "premature end of IHEX file, no end-of-file record found");
-       return ERROR_FILEIO_OPERATION_FAILED;   
-}
-//#endif
-
-int fileio_open(fileio_t *fileio, char *url, enum fileio_access access,
-       enum fileio_pri_type pri_type, void *pri_info, enum fileio_sec_type sec_type)
+int fileio_open(fileio_t *fileio, char *url, enum fileio_access access,        enum fileio_type type)
 {
        int retval = ERROR_OK;
-       
-       if ((!url) || (strlen(url) < 3))
+       char *resource_identifier = NULL;
+
+       /* try to identify file location */
+       if ((resource_identifier = strstr(url, "bootp://")) && (resource_identifier == url))
        {
-               snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "invalid file url");
-               return ERROR_INVALID_ARGUMENTS;
+               ERROR("bootp resource location isn't supported yet");
+               return ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN;
        }
-       
-       if ((url[0] == '/') || (isalpha(url[0])) || ((url[1] == ':') && (url[2] == '\\')))
+       else if ((resource_identifier = strstr(url, "tftp://")) && (resource_identifier == url))
        {
-               fileio->location = FILEIO_LOCAL;
+               ERROR("tftp resource location isn't supported yet");
+               return ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN;
        }
        else
        {
-               ERROR("couldn't identify resource location from URL '%s'", url);
-               snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "couldn't identify resource location from URL '%s'", url);
-               return ERROR_FILEIO_LOCATION_UNKNOWN;
+               /* default to local files */
+               fileio->location = FILEIO_LOCAL;
        }
        
+       fileio->type = type;
        fileio->access = access;
-       fileio->pri_type = pri_type;
-       fileio->sec_type = sec_type;
        fileio->url = strdup(url);
        
        switch (fileio->location)
@@ -278,50 +164,6 @@ int fileio_open(fileio_t *fileio, char *url, enum fileio_access access,
        if (retval != ERROR_OK)
                return retval;
        
-       if (fileio->pri_type == FILEIO_TEXT)
-       {
-               /* do nothing for now */
-               return ERROR_OK;
-       }
-       else if (fileio->pri_type == FILEIO_IMAGE)
-       {
-               fileio_image_t *image = malloc(sizeof(fileio_image_t));
-               fileio_image_t *image_info = pri_info;
-               
-               fileio->pri_type_private = image;
-               *image = *image_info; 
-               
-               if (fileio->sec_type == FILEIO_PLAIN)
-               {
-                       fileio->sec_type_private = NULL;
-               }
-               else if (fileio->sec_type == FILEIO_IHEX)
-               {
-                       fileio_ihex_t *fileio_ihex;
-                       
-                       if (fileio->access != FILEIO_READ)
-                       {
-                               ERROR("can't write/append to a IHEX file");
-                               snprintf(fileio->error_str, FILEIO_MAX_ERROR_STRING, "can't write/append to a IHEX file");
-                               fileio_close(fileio);
-                               return ERROR_FILEIO_OPERATION_FAILED;
-                       }
-                       
-                       fileio_ihex = malloc(sizeof(fileio_ihex_t));
-                       fileio->sec_type_private = fileio_ihex;
-                       
-                       fileio_ihex->position = 0;
-                       fileio_ihex->raw_size = fileio->size;
-#ifdef FILEIO_BUFFER_COMPLETE_IHEX
-                       if (fileio_ihex_buffer_complete(fileio) != ERROR_OK)
-                       {
-                               fileio_close(fileio);
-                               return ERROR_FILEIO_OPERATION_FAILED;
-                       }
-#endif
-               }
-       }
-       
        return ERROR_OK;
 }
 
@@ -360,6 +202,7 @@ int fileio_close(fileio_t *fileio)
                        break;
                default:
                        ERROR("BUG: should never get here");
+                       retval = ERROR_FILEIO_OPERATION_FAILED;
        }
        
        if (retval != ERROR_OK)
@@ -367,29 +210,6 @@ int fileio_close(fileio_t *fileio)
        
        free(fileio->url);
        
-       if (fileio->pri_type == FILEIO_TEXT)
-       {
-               /* do nothing for now */
-       }
-       else if (fileio->pri_type == FILEIO_IMAGE)
-       {
-               if (fileio->sec_type == FILEIO_PLAIN)
-               {
-                       /* nothing special to do for plain binary */
-               }
-               else if (fileio->sec_type == FILEIO_IHEX)
-               {
-                       fileio_ihex_t *fileio_ihex = fileio->sec_type_private;
-       
-                       if (fileio_ihex->buffer)
-                               free(fileio_ihex->buffer);
-                       
-                       free(fileio->sec_type_private);
-               }
-               
-               free(fileio->pri_type_private);
-       }
-       
        return ERROR_OK;
 }
 
@@ -430,7 +250,7 @@ int fileio_local_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
        return ERROR_OK;
 }
 
-int fileio_dispatch_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
+int fileio_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
 {
        switch (fileio->location)
        {
@@ -443,57 +263,55 @@ int fileio_dispatch_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
        }
 }
 
-int fileio_read_ihex(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
+int fileio_read_u32(fileio_t *fileio, u32 *data)
 {
-       fileio_ihex_t *fileio_ihex = fileio->sec_type_private;
-
-       if ((fileio_ihex->position + size) > fileio->size)
-       {
-               /* don't read past the end of the file */
-               size = (fileio->size - fileio_ihex->position);
-       }
+       u8 buf[4];
+       u32 size_read;
+       int retval;
        
-#ifdef FILEIO_BUFFER_COMPLETE_IHEX
-       memcpy(buffer, fileio_ihex->buffer + fileio_ihex->position, size);
-       *size_read = size;
-#endif
-
-       return ERROR_OK;
-}
-
-int fileio_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
-{
-       if (fileio->sec_type == FILEIO_PLAIN)
-       {
-               return fileio_dispatch_read(fileio, size, buffer, size_read);
-       }
-       else if (fileio->sec_type == FILEIO_IHEX)
+       switch (fileio->location)
        {
-               return fileio_read_ihex(fileio, size, buffer, size_read);
+               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);
        }
        
        return ERROR_OK;
 }
 
-int fileio_local_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written)
+int fileio_local_fgets(fileio_t *fileio, u32 size, u8 *buffer)
 {
        fileio_local_t *fileio_local = fileio->location_private;
        
-       *size_written = fwrite(buffer, 1, size, fileio_local->file);
+       if( fgets(buffer, size, fileio_local->file) == NULL)
+               return ERROR_FILEIO_OPERATION_FAILED;
        
        return ERROR_OK;
 }
 
-int fileio_dispatch_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written)
+int fileio_fgets(fileio_t *fileio, u32 size, u8 *buffer)
 {
        switch (fileio->location)
        {
                case FILEIO_LOCAL:
-                       return fileio_local_write(fileio, size, buffer, size_written);
+                       return fileio_local_fgets(fileio, size, buffer);
                        break;
                default:
                        ERROR("BUG: should never get here");
+                       exit(-1);
        }
+}
+
+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);
        
        return ERROR_OK;
 }
@@ -501,43 +319,39 @@ int fileio_dispatch_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_writ
 int fileio_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written)
 {
        int retval;
-       if (fileio->sec_type == FILEIO_PLAIN)
-       {
-               retval = fileio_dispatch_write(fileio, size, buffer, size_written);
-       }
-       else if (fileio->sec_type == FILEIO_IHEX)
+       
+       switch (fileio->location)
        {
-               return ERROR_FILEIO_OPERATION_NOT_SUPPORTED;
+               case FILEIO_LOCAL:
+                       retval = fileio_local_write(fileio, size, buffer, size_written);
+                       break;
+               default:
+                       ERROR("BUG: should never get here");
+                       exit(-1);
        }
        
-       if (retval != ERROR_OK)
-               return retval;
-               
-       fileio->size += size;
+       if (retval == ERROR_OK)
+               fileio->size += *size_written;
        
-       return ERROR_OK;
+       return retval;;
 }
 
-int fileio_identify_image_type(enum fileio_sec_type *sec_type, char *type_string)
+int fileio_write_u32(fileio_t *fileio, u32 data)
 {
-       if (type_string)
-       {
-               if (!strcmp(type_string, "bin"))
-               {
-                       *sec_type = FILEIO_PLAIN;
-               }
-               else if (!strcmp(type_string, "ihex"))
-               {
-                       *sec_type = FILEIO_IHEX;
-               }
-               else
-               {
-                       return ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN;
-               }
-       }
-       else
+       u8 buf[4];
+       u32 size_written;
+       int retval;
+       
+       h_u32_to_be(buf, data);
+       
+       switch (fileio->location)
        {
-               *sec_type = FILEIO_PLAIN;
+               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");
        }
        
        return ERROR_OK;