[ppc] Fix build breakage for all non-4xx PowerPC variants.
- adapt to the more generic EXCEPTION_PROLOG and CRIT_EXCEPTION macros
- minor 4xx cleanup
diff --git a/include/mpc8260.h b/include/mpc8260.h
index d9dd92d..b61218c 100644
--- a/include/mpc8260.h
+++ b/include/mpc8260.h
@@ -53,7 +53,7 @@
* Exception offsets (PowerPC standard)
*/
#define EXC_OFF_SYS_RESET 0x0100 /* System reset */
-
+#define _START_OFFSET EXC_OFF_SYS_RESET
/*-----------------------------------------------------------------------
* BCR - Bus Configuration Register 4-25