Add target_bulk_write_memory wrapper:

- replaces all calls to target->type->bulk_write_memory.
- add documentation in target_s to warn not to invoke callback directly.


git-svn-id: svn://svn.berlios.de/openocd/trunk@1963 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/flash/orion_nand.c

@@ -140,8 +140,7 @@ static int orion_nand_fast_block_write(struct nand_device_s *device, u8 *data, i
 
 	/* copy data to target's memory */
 	target_buf = hw->copy_area->address + code_size;
-	retval = target->type->bulk_write_memory(target, target_buf,
+	retval = target_bulk_write_memory(target, target_buf, size/4, data);
-						 size/4, data);
 	if (retval == ERROR_OK && size & 3) {
 		retval = target_write_memory(target,
 					target_buf + (size & ~3),

src/target/target.c

@@ -536,6 +536,12 @@ int target_write_memory(struct target_s *target,
 {
 	return target->type->write_memory(target, address, size, count, buffer);
 }
+int target_bulk_write_memory(struct target_s *target,
+		u32 address, u32 count, u8 *buffer)
+{
+	return target->type->bulk_write_memory(target, address, count, buffer);
+}
+
 
 int target_run_algorithm(struct target_s *target,
 		int num_mem_params, mem_param_t *mem_params,

src/target/target.h

@@ -179,7 +179,11 @@ typedef struct target_type_s
 	 */
 	int (*write_memory)(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
 
-	/* write target memory in multiples of 4 byte, optimized for writing large quantities of data */
+	/**
+	 * Write target memory in multiples of 4 bytes, optimized for
+	 * writing large quantities of data.  Do @b not call this
+	 * function directly, use target_bulk_write_memory() instead.
+	 */
 	int (*bulk_write_memory)(struct target_s *target, u32 address, u32 count, u8 *buffer);
 
 	int (*checksum_memory)(struct target_s *target, u32 address, u32 count, u32* checksum);
@@ -424,6 +428,16 @@ extern int target_read_memory(struct target_s *target,
 extern int target_write_memory(struct target_s *target,
 		u32 address, u32 size, u32 count, u8 *buffer);
 
+/**
+ * Write @count items of 4 bytes to the memory of @a target at
+ * the @a address given.  Because it operates only on whole words,
+ * this should be faster than target_write_memory().
+ *
+ * This routine is wrapper for target->type->bulk_write_memory.
+ */
+extern int target_bulk_write_memory(struct target_s *target,
+		u32 address, u32 count, u8 *buffer);
+
 extern int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer);
 extern int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer);
 extern int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc);