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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [or1ksim/] [cpu/] [or1k/] [sprs.c] - Diff between revs 508 and 552

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Rev 508 Rev 552
Line 106... Line 106...
    break;
    break;
  case SPR_SR:
  case SPR_SR:
    cpu_state.sprs[regno] |= SPR_SR_FO;
    cpu_state.sprs[regno] |= SPR_SR_FO;
    if((value & SPR_SR_IEE) && !(prev_val & SPR_SR_IEE))
    if((value & SPR_SR_IEE) && !(prev_val & SPR_SR_IEE))
      pic_ints_en();
      pic_ints_en();
#if DYNAMIC_EXECUTION
 
    if((value & SPR_SR_IME) && !(prev_val & SPR_SR_IME)) {
 
      TRACE_(immu)("IMMU just became enabled (%lli).\n", runtime.sim.cycles);
 
      recheck_immu(IMMU_GOT_ENABLED);
 
    } else if(!(value & SPR_SR_IME) && (prev_val & SPR_SR_IME)) {
 
      TRACE_(immu)("Remove counting of mmu hit delay with cycles (%lli)\n",
 
                   runtime.sim.cycles);
 
      recheck_immu(IMMU_GOT_DISABLED);
 
    }
 
#endif
 
    break;
    break;
  case SPR_NPC:
  case SPR_NPC:
    {
    {
      /* The debugger has redirected us to a new address */
      /* The debugger has redirected us to a new address */
      /* This is usually done to reissue an instruction
      /* This is usually done to reissue an instruction
Line 197... Line 187...
      else
      else
        cpu_state.sprs[regno] = IADDR_PAGE(value) |
        cpu_state.sprs[regno] = IADDR_PAGE(value) |
                              (value & (SPR_ITLBTR_CC | SPR_ITLBTR_CI | SPR_ITLBTR_WBC | SPR_ITLBTR_WOM |
                              (value & (SPR_ITLBTR_CC | SPR_ITLBTR_CI | SPR_ITLBTR_WBC | SPR_ITLBTR_WOM |
                              SPR_ITLBTR_A | SPR_ITLBTR_D | SPR_ITLBTR_SXE | SPR_ITLBTR_UXE));
                              SPR_ITLBTR_A | SPR_ITLBTR_D | SPR_ITLBTR_SXE | SPR_ITLBTR_UXE));
 
 
#if DYNAMIC_EXECUTION
 
      if(cpu_state.sprs[SPR_SR] & SPR_SR_IME) {
 
        /* The immu got reconfigured.  Recheck if the current page in execution
 
         * is resident in the immu ways.  This check would be done during the
 
         * instruction fetch but since the dynamic execution model does not do
 
         * instruction fetchs, do it now. */
 
        recheck_immu(0);
 
      }
 
#endif
 
    }
    }
 
 
    /* Links to GPRS */
    /* Links to GPRS */
    if(regno >= 0x0400 && regno < 0x0420) {
    if(regno >= 0x0400 && regno < 0x0420) {
      cpu_state.reg[regno - 0x0400] = value;
      cpu_state.reg[regno - 0x0400] = value;

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