+/*
+ * macro is used to print the svf hex buffer at desired debug level
+ * DEBUG, INFO, ERROR, USER
+ */
+#define SVF_BUF_LOG(_lvl, _buf, _nbits, _desc) \
+ svf_hexbuf_print(LOG_LVL_##_lvl , __FILE__, __LINE__, __func__, _buf, _nbits, _desc)
+
+static void svf_hexbuf_print(int dbg_lvl, const char *file, unsigned line,
+ const char *function, const uint8_t *buf,
+ int bit_len, const char *desc)
+{
+ int j, len = 0;
+ int byte_len = DIV_ROUND_UP(bit_len, 8);
+ int msbits = bit_len % 8;
+
+ /* allocate 2 bytes per hex digit */
+ char *prbuf = malloc((byte_len * 2) + 2 + 1);
+ if (!prbuf)
+ return;
+
+ /* print correct number of bytes, mask excess bits where applicable */
+ uint8_t msb = buf[byte_len - 1] & (msbits ? (1 << msbits) - 1 : 0xff);
+ len = sprintf(prbuf, msbits <= 4 ? "0x%01"PRIx8 : "0x%02"PRIx8, msb);
+ for (j = byte_len - 2; j >= 0; j--)
+ len += sprintf(prbuf + len, "%02"PRIx8, buf[j]);
+
+ log_printf_lf(dbg_lvl, file, line, function, "%8s = %s", desc ? desc : " ", prbuf);
+
+ free(prbuf);
+}
+
+static int svf_realloc_buffers(size_t len)
+{
+ void *ptr;
+
+ if (svf_execute_tap() != ERROR_OK)
+ return ERROR_FAIL;
+
+ ptr = realloc(svf_tdi_buffer, len);
+ if (!ptr)
+ return ERROR_FAIL;
+ svf_tdi_buffer = ptr;
+
+ ptr = realloc(svf_tdo_buffer, len);
+ if (!ptr)
+ return ERROR_FAIL;
+ svf_tdo_buffer = ptr;
+
+ ptr = realloc(svf_mask_buffer, len);
+ if (!ptr)
+ return ERROR_FAIL;
+ svf_mask_buffer = ptr;
+
+ svf_buffer_size = len;
+
+ return ERROR_OK;
+}
+