Changeset 833 for trunk/softs/tsar_boot

Timestamp:

Oct 6, 2014, 2:36:35 PM (10 years ago)

Author:

alain

Message:

Modifying the reset.S file to support procid on 12 bits.

File:

• trunk/softs/tsar_boot/src/reset.S (modified) (2 diffs)

trunk/softs/tsar_boot/src/reset.S

@@ -81 +81 @@
     /*
      * All processors compute gpid, lpid, cluster_xy
-     * gpid = ebase[9:0] = X_WIDTH : Y_WIDTH : P_WIDTH
+     * gpid = ebase[11:0] = X_WIDTH : Y_WIDTH : P_WIDTH
      *                        x         y       lpid
      * X, Y and LPID fields are left-aligned
@@ -87 +87 @@
 
     mfc0    k0,     CP0_EBASE
-    andi    t0,     k0,     0x3FF            /* t0 <= gpid (<= 1024 procs)  */
+    andi    t0,     k0,     0xFFF            /* t0 <= gpid (<= 4096 procs)  */
     andi    t1,     t0,     ((1<<P_WIDTH)-1) /* t1 <= lpid                  */
     srl     t2,     t0,     P_WIDTH          /* t2 <= cluster_xy            */