return ERROR_OK;
}
+/**
+ * Write 4-byte instruction to memory. This is like target_write_u32, however
+ * in case of little endian ARC instructions are in middle endian format, not
+ * little endian, so different type of conversion should be done.
+ * Middle endinan: instruction "aabbccdd", stored as "bbaaddcc"
+ */
+int arc_write_instruction_u32(struct target *target, uint32_t address,
+ uint32_t instr)
+{
+ uint8_t value_buf[4];
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ LOG_DEBUG("Address: 0x%08" PRIx32 ", value: 0x%08" PRIx32, address,
+ instr);
+
+ if (target->endianness == TARGET_LITTLE_ENDIAN)
+ arc_h_u32_to_me(value_buf, instr);
+ else
+ h_u32_to_be(value_buf, instr);
+
+ CHECK_RETVAL(target_write_buffer(target, address, 4, value_buf));
+
+ return ERROR_OK;
+}
+
+/**
+ * Read 32-bit instruction from memory. It is like target_read_u32, however in
+ * case of little endian ARC instructions are in middle endian format, so
+ * different type of conversion should be done.
+ */
+int arc_read_instruction_u32(struct target *target, uint32_t address,
+ uint32_t *value)
+{
+ uint8_t value_buf[4];
+
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ *value = 0;
+ CHECK_RETVAL(target_read_buffer(target, address, 4, value_buf));
+
+ if (target->endianness == TARGET_LITTLE_ENDIAN)
+ *value = arc_me_to_h_u32(value_buf);
+ else
+ *value = be_to_h_u32(value_buf);
+
+ LOG_DEBUG("Address: 0x%08" PRIx32 ", value: 0x%08" PRIx32, address,
+ *value);
+
+ return ERROR_OK;
+}
/* Helper function which swiches core to single_step mode by
* doing aux r/w operations. */