--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2007 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "image.h"
+
+#include "types.h"
+#include "replacements.h"
+#include "log.h"
+
+#include "fileio.h"
+#include "target.h"
+
+int image_ihex_buffer_complete(image_t *image)
+{
+ image_ihex_t *ihex = image->type_private;
+ fileio_t *fileio = &ihex->fileio;
+ 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_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;
+ }
+
+ image->size = 0x0;
+ 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)
+ {
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
+ raw_bytes += 9;
+
+ if (record_type == 0)
+ {
+ if ((full_address & 0xffff) != address)
+ {
+ free(buffer);
+ ERROR("can't handle non-linear IHEX file");
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
+
+ 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);
+ image->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");
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
+ }
+ else if (record_type == 5)
+ {
+ u32 start_address;
+
+ sscanf(&buffer[raw_bytes], "%8x", &start_address);
+ raw_bytes += 8;
+
+ image->start_address_set = 1;
+ image->start_address = be_to_h_u32((u8*)&start_address);
+ }
+ else
+ {
+ free(buffer);
+ ERROR("unhandled IHEX record type: %i", record_type);
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
+
+ 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");
+ return ERROR_IMAGE_FORMAT_ERROR;
+}
+
+int image_open(image_t *image, void *source, enum fileio_access access)
+{
+ int retval = ERROR_OK;
+
+ if (image->type == IMAGE_BINARY)
+ {
+ image_binary_t *image_binary;
+ char *url = source;
+
+ image_binary = image->type_private = malloc(sizeof(image_binary_t));
+
+ if ((retval = fileio_open(&image_binary->fileio, url, access, FILEIO_BINARY)) != ERROR_OK)
+ {
+ strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING);
+ ERROR(image->error_str);
+ return retval;
+ }
+
+ if (access == FILEIO_WRITE)
+ image->size = 0;
+ else
+ image->size = image_binary->fileio.size;
+
+ return ERROR_OK;
+ }
+ else if (image->type == IMAGE_IHEX)
+ {
+ image_ihex_t *image_ihex;
+ char *url = source;
+
+ if (access != FILEIO_READ)
+ {
+ snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
+ "can't open IHEX file for writing");
+ ERROR(image->error_str);
+ return ERROR_FILEIO_ACCESS_NOT_SUPPORTED;
+ }
+
+ 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;
+ }
+
+ image_ihex->position = 0;
+ image_ihex->raw_size = image_ihex->fileio.size;
+
+ 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);
+ fileio_close(&image_ihex->fileio);
+ return retval;
+ }
+ }
+ else if (image->type == IMAGE_MEMORY)
+ {
+ image_memory_t *image_memory;
+ target_t *target = source;
+
+ image_memory = image->type_private = malloc(sizeof(image_memory_t));
+
+ image_memory->target = target;
+ }
+
+ return retval;
+};
+
+int image_read(image_t *image, u32 size, u8 *buffer, u32 *size_read)
+{
+ int retval;
+
+ if (image->type == IMAGE_BINARY)
+ {
+ image_binary_t *image_binary = image->type_private;
+
+ 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;
+ }
+ }
+ else if (image->type == IMAGE_IHEX)
+ {
+ image_ihex_t *image_ihex = image->type_private;
+
+ if ((image_ihex->position + size) > image->size)
+ {
+ /* don't read past the end of the file */
+ size = (image->size - image_ihex->position);
+ }
+
+ memcpy(buffer, image_ihex->buffer + image_ihex->position, size);
+ image_ihex->position += size;
+ *size_read = size;
+ image->error_str[0] = '\0';
+
+ return ERROR_OK;
+ }
+ else if (image->type == IMAGE_MEMORY)
+ {
+ /* TODO: handle target memory pseudo image */
+ }
+
+ return ERROR_OK;
+}
+
+int image_write(image_t *image, u32 size, u8 *buffer, u32 *size_written)
+{
+ int retval = ERROR_FILEIO_OPERATION_NOT_SUPPORTED;
+
+ if (image->type == IMAGE_BINARY)
+ {
+ image_binary_t *image_binary = image->type_private;
+
+ if ((retval = fileio_write(&image_binary->fileio, size, buffer, size_written)) != ERROR_OK)
+ {
+ strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING);
+ return retval;
+ }
+ }
+ else if (image->type == IMAGE_IHEX)
+ {
+ return ERROR_FILEIO_OPERATION_NOT_SUPPORTED;
+ }
+ else if (image->type == IMAGE_MEMORY)
+ {
+ /* TODO: handle target memory pseudo image */
+ }
+
+ if (retval != ERROR_OK)
+ return retval;
+
+ image->size += size;
+
+ return ERROR_OK;
+}
+
+int image_close(image_t *image)
+{
+ if (image->type == IMAGE_BINARY)
+ {
+ image_binary_t *image_binary = image->type_private;
+
+ fileio_close(&image_binary->fileio);
+ }
+ else if (image->type == IMAGE_IHEX)
+ {
+ image_ihex_t *image_ihex = image->type_private;
+
+ fileio_close(&image_ihex->fileio);
+
+ if (image_ihex->buffer)
+ free(image_ihex->buffer);
+ }
+ else if (image->type == IMAGE_MEMORY)
+ {
+ /* do nothing for now */
+ }
+
+ free(image->type_private);
+
+ return ERROR_OK;
+}
+
+int identify_image_type(image_type_t *type, char *type_string)
+{
+ if (type_string)
+ {
+ if (!strcmp(type_string, "bin"))
+ {
+ *type = IMAGE_BINARY;
+ }
+ else if (!strcmp(type_string, "ihex"))
+ {
+ *type = IMAGE_IHEX;
+ }
+ else
+ {
+ return ERROR_IMAGE_TYPE_UNKNOWN;
+ }
+ }
+ else
+ {
+ *type = IMAGE_BINARY;
+ }
+
+ return ERROR_OK;
+}
--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2007 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifndef IMAGE_H
+#define IMAGE_H
+
+#include "fileio.h"
+#include "target.h"
+
+#define IMAGE_MAX_ERROR_STRING (128)
+
+typedef enum image_type
+{
+ IMAGE_BINARY, /* plain binary */
+ IMAGE_IHEX, /* intel hex-record format */
+ IMAGE_MEMORY, /* target-memory pseudo-image */
+/*
+ * Possible future enhancements:
+ * IMAGE_ELF,
+ * IMAGE_SRECORD,
+ */
+} image_type_t;
+
+typedef struct image_s
+{
+ image_type_t type; /* image type (plain, ihex, ...) */
+ void *type_private; /* type private data */
+ int base_address_set; /* whether the image start address has been set */
+ u32 base_address; /* base address of image in target memory */
+ int start_address_set; /* whether the image has a start address (entry point) associated */
+ u32 start_address; /* start address, if one is set */
+ u32 size; /* image size in byte */
+ char error_str[IMAGE_MAX_ERROR_STRING];
+} image_t;
+
+typedef struct image_binary_s
+{
+ fileio_t fileio;
+} image_binary_t;
+
+typedef struct image_ihex_s
+{
+ fileio_t fileio;
+ u32 position;
+ u32 raw_size;
+ u8 *buffer;
+} image_ihex_t;
+
+typedef struct image_memory_s
+{
+ target_t *target;
+} image_memory_t;
+
+extern int image_open(image_t *image, void *source, enum fileio_access access);
+extern int image_read(image_t *image, u32 size, u8 *buffer, u32 *size_written);
+extern int image_write(image_t *image, u32 size, u8 *buffer, u32 *size_written);
+extern int image_close(image_t *image);
+extern int identify_image_type(image_type_t *type, char *type_string);
+
+#define ERROR_IMAGE_FORMAT_ERROR (-1400)
+#define ERROR_IMAGE_TYPE_UNKNOWN (-1401)
+
+#endif /* IMAGE_H */
projects / openocd / commitdiff