put panic instructions in palcode rather than looping on mchecks.

diff --git a/system/alpha/palcode/platform.S b/system/alpha/palcode/platform.S
index 6ed97f2d86f44eaec83f28b3fd90595da7576ad8..5520470b28d4b9167abb2d1bdb99c7867c269533 100644 (file)
--- a/system/alpha/palcode/platform.S
+++ b/system/alpha/palcode/platform.S
@@ -1620,7 +1620,8 @@ EXPORT(sys_machine_check)
         // Also, due to possible 2nd Cbox register file write for
         // uncorrectable errors, no register file read or write for 7 cycles.
 
-        nop
+        //nop
+        .long 0x4000054 // call M5 Panic
         mtpr   r0, pt0         // Stash for scratch -- OK if Cbox overwrites
                                 //    r0 later
         nop
@@ -1717,7 +1718,8 @@ EXPORT(sys_machine_check)
         //
 
 EXPORT(sys_mchk_collect_iprs)
-        mb                                             // MB before reading Scache IPRs
+        .long 0x4000054 // call M5 Panic
+        //mb                                           // MB before reading Scache IPRs
         mfpr   r1, icperr_stat
 
         mfpr   r8, dcperr_stat