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[/] [or1k/] [tags/] [nog_patch_68/] [or1ksim/] [pic/] [pic.c] - Diff between revs 409 and 557

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Rev 409 Rev 557
Line 53... Line 53...
     wrong, and there were 2 sets of code, one commented out, and
     wrong, and there were 2 sets of code, one commented out, and
     both were broken. I have rewritten this so it works as I think
     both were broken. I have rewritten this so it works as I think
     it should. Someone needs to correct this if there is something
     it should. Someone needs to correct this if there is something
     I am missing... */
     I am missing... */
 
 
  /* From Sections 16.3 & 16.4, bits 0 & 1 are reserved */
 
  picsr = mfspr(SPR_PICSR) & 0xFFFFFFFC;
 
  picpr = mfspr(SPR_PICPR) & 0xFFFFFFFC;
 
  sr = mfspr(SPR_SR);
  sr = mfspr(SPR_SR);
 
 
 
 
  /* Don't do anything if interrupts not currently enabled */
  /* Don't do anything if interrupts not currently enabled */
  if((sr & (SPR_SR_EIR | SPR_SR_EXR)) != (SPR_SR_EIR | SPR_SR_EXR))
  if((sr & (SPR_SR_EIR | SPR_SR_EXR)) != (SPR_SR_EIR | SPR_SR_EXR))
    return;
    return;
 
 
 
  /* From Sections 16.3 & 16.4, bits 0 & 1 are reserved */
 
  picsr = mfspr(SPR_PICSR) & 0xFFFFFFFC;
 
  picpr = mfspr(SPR_PICPR) & 0xFFFFFFFC;
 
 
  if(picsr & picpr) /* Report High Priority Interrupts first */
  if(picsr & picpr) /* Report High Priority Interrupts first */
    except_handle(EXCEPT_HPINT, 0);
    except_handle(EXCEPT_HPINT, 0);
  else if(picsr)    /* Report a Low Priority Interrupt otherwise */
  else if(picsr)    /* Report a Low Priority Interrupt otherwise */
    except_handle(EXCEPT_LPINT, 0);
    except_handle(EXCEPT_LPINT, 0);
 
 

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