Linux/LibSensors: adjust data for k10temp

Adjust the temperature data gathered from the k10temp driver.  Only a
control value, an optional die value, and one value per CCD are
provided.

See https://www.kernel.org/doc/html/latest/hwmon/k10temp.html for
details.

Author: cgzones

Diff for: linux/LibSensors.c

@@ -233,6 +233,46 @@ void LibSensors_getCPUTemperatures(CPUData* cpus, unsigned int existingCPUs, uns
       }
    }
 
+   /*
+    * k10temp, see https://www.kernel.org/doc/html/latest/hwmon/k10temp.html
+    *   temp1 = Tctl, (optional) temp2 = Tdie, temp3..temp10 = Tccd1..8
+    */
+   if (topDriver == TD_K10TEMP) {
+      /* Display Tdie instead of Tctl if available */
+      if (!isNaN(data[1]))
+         data[0] = data[1];
+
+      /* Compute number of CCD entries */
+      unsigned int ccd_entries = 0;
+      for (size_t i = 2; i <= existingCPUs; i++) {
+         if (isNaN(data[i]))
+            break;
+
+         ccd_entries++;
+      }
+
+      if (ccd_entries == 0) {
+         for (size_t i = 1; i <= existingCPUs; i++)
+            data[i] = data[0];
+      } else {
+         assert(ccd_entries <= 16);
+         float ccd_data[ccd_entries];
+         for (size_t i = 0; i < ccd_entries; i++)
+            ccd_data[i] = data[i + 2];
+
+         /* Handle threads being listed at the end */
+         unsigned int ccd_size = existingCPUs / ccd_entries / 2;
+
+         for (size_t i = 1; i <= existingCPUs; i++) {
+            unsigned int index = ((i - 1) / ccd_size) % ccd_entries;
+            data[i] = ccd_data[index];
+         }
+      }
+
+      /* No further adjustments */
+      goto out;
+   }
+
    /* Adjust data for chips not providing a platform temperature */
    if (coreTempCount + 1 == activeCPUs || coreTempCount + 1 == activeCPUs / 2) {
       memmove(&data[1], &data[0], existingCPUs * sizeof(*data));