+
+int arm7_9_check_reset(struct target *target)
+{
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+
+ if (get_target_reset_nag() && !arm7_9->dcc_downloads)
+ LOG_WARNING(
+ "NOTE! DCC downloads have not been enabled, defaulting to slow memory writes. Type 'help dcc'.");
+
+ if (get_target_reset_nag() && (target->working_area_size == 0))
+ LOG_WARNING("NOTE! Severe performance degradation without working memory enabled.");
+
+ if (get_target_reset_nag() && !arm7_9->fast_memory_access)
+ LOG_WARNING(
+ "NOTE! Severe performance degradation without fast memory access enabled. Type 'help fast'.");
+
+ return ERROR_OK;
+}
+
+int arm7_9_endianness_callback(jtag_callback_data_t pu8_in,
+ jtag_callback_data_t i_size, jtag_callback_data_t i_be,
+ jtag_callback_data_t i_flip)
+{
+ uint8_t *in = (uint8_t *)pu8_in;
+ int size = (int)i_size;
+ int be = (int)i_be;
+ int flip = (int)i_flip;
+ uint32_t readback;
+
+ switch (size) {
+ case 4:
+ readback = le_to_h_u32(in);
+ if (flip)
+ readback = flip_u32(readback, 32);
+ if (be)
+ h_u32_to_be(in, readback);
+ else
+ h_u32_to_le(in, readback);
+ break;
+ case 2:
+ readback = le_to_h_u16(in);
+ if (flip)
+ readback = flip_u32(readback, 16);
+ if (be)
+ h_u16_to_be(in, readback & 0xffff);
+ else
+ h_u16_to_le(in, readback & 0xffff);
+ break;
+ case 1:
+ readback = *in;
+ if (flip)
+ readback = flip_u32(readback, 8);
+ *in = readback & 0xff;
+ break;
+ }
+
+ return ERROR_OK;
+}
+