- reworked image handling to support multiple sections (tested with ihex file containing gaps)

This checkin is still experimental, not recommended for general use



git-svn-id: svn://svn.berlios.de/openocd/trunk@159 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 15 insertions, 8 deletions

diff --git a/src/target/image.h b/src/target/image.h
index 3df175a8..75288791 100644
--- a/src/target/image.h
+++ b/src/target/image.h
@@ -24,11 +24,12 @@
 #include "target.h"
 
 #define IMAGE_MAX_ERROR_STRING		(128)
+#define IMAGE_MAX_SECTIONS			(128)
 
 typedef enum image_type
 {
     IMAGE_BINARY,	/* plain binary */
-    IMAGE_IHEX,	/* intel hex-record format */
+    IMAGE_IHEX,		/* intel hex-record format */
     IMAGE_MEMORY,	/* target-memory pseudo-image */
 /*
  * Possible future enhancements:
@@ -37,15 +38,23 @@ typedef enum image_type
  */
 } image_type_t;
 
+typedef struct image_section_s
+{
+	u32 base_address;
+	u32 size;
+	int flags;
+} image_section_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 num_sections;		/* number of sections contained in the image */
+	image_section_t *sections;	/* array of sections */
+	int base_address_set;	/* whether the image has a base address set (for relocation purposes) */
+	int base_address;		/* base address, if one is set */
 	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;
 
@@ -57,9 +66,8 @@ typedef struct image_binary_s
 typedef struct image_ihex_s
 {
 	fileio_t fileio;
-	u32 position;
-	u32 raw_size;
 	u8 *buffer;
+	u8 **section_pointer;
 } image_ihex_t;
 
 typedef struct image_memory_s
@@ -68,8 +76,7 @@ typedef struct image_memory_s
 } 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_read_section(image_t *image, int section, u32 offset, u32 size, u8 *buffer, u32 *size_read);
 extern int image_close(image_t *image);
 extern int identify_image_type(image_type_t *type, char *type_string);