cp/nucleus/mch.c

   1 /*
   2  * (C) Copyright 2007-2011  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #include <interrupt.h>
   9 #include <channel.h>
  10 #include <sclp.h>
  11
  12 static void get_crw()
  13 {
  14         struct crw crw;
  15         int ret;
  16
  17         do {
  18                 ret = store_crw(&crw);
  19                 if (ret)
  20                         break;
  21
  22                 sclp_msg("%08x:", *(u32*)&crw);
  23                 sclp_msg("RSC: %x", crw.rsc);
  24                 sclp_msg("ERC: %x", crw.erc);
  25                 sclp_msg("ID:  %x", crw.id);
  26
  27                 if (!crw.c)
  28                         break;
  29         } while(1);
  30 }
  31
  32 void __mch_int_handler(void)
  33 {
  34         sclp_msg("MCH INTERRUPT!");
  35         sclp_msg("%016llx: ", *(u64*)MCH_INT_CODE);
  36         if (MCH_INT_CODE->sd)
  37                 sclp_msg("-> system damage");
  38         if (MCH_INT_CODE->pd)
  39                 sclp_msg("-> instruction processing damage");
  40         if (MCH_INT_CODE->sr)
  41                 sclp_msg("-> system recovery");
  42         if (MCH_INT_CODE->cd)
  43                 sclp_msg("-> timing-facility damage");
  44         if (MCH_INT_CODE->ed)
  45                 sclp_msg("-> external damage");
  46         if (MCH_INT_CODE->dg)
  47                 sclp_msg("-> degradation");
  48         if (MCH_INT_CODE->w)
  49                 sclp_msg("-> warning");
  50         if (MCH_INT_CODE->cp)
  51                 sclp_msg("-> channel report pending");
  52         if (MCH_INT_CODE->sp)
  53                 sclp_msg("-> service-processor damage");
  54         if (MCH_INT_CODE->ck)
  55                 sclp_msg("-> channel-subsystem damage");
  56
  57         if (MCH_INT_CODE->sd)
  58                 BUG();
  59
  60         if (MCH_INT_CODE->ck)
  61                 BUG();
  62
  63         if (MCH_INT_CODE->cp)
  64                 get_crw();
  65 }