//Rebuild sorted interrupt id table (priorities were updated)
void SIIDRebuild(void)
{
u32 cnt=0;
u32 vpend=interrupt_vpend;
u32 vmask=interrupt_vmask;
interrupt_vpend=0;
interrupt_vmask=0x00000000;
//rebuild interrupt table
for (u32 ilevel=0;ilevel<16;ilevel++)
{
for (u32 isrc=0;isrc<28;isrc++)
{
if (GET_PRIO_LEVEL(InterruptSourceList[isrc]) != ilevel)
continue;
InterruptEnvId[cnt]=InterruptSourceList[isrc].IntEvnCode;
u32 p=InterruptBit[isrc]&vpend;
u32 m=InterruptBit[isrc]&vmask;
InterruptBit[isrc]=1<<cnt;
if (p)
interrupt_vpend|=InterruptBit[isrc];
if (m)
interrupt_vmask|=InterruptBit[isrc];
cnt++;
}
InterruptLevelBit[ilevel]=(1<<cnt)-1;
}
SRdecode();
}
//called when sr is changed and we must check for reg banks ect.. , returns true if interrupts got
bool UpdateSR()
{
if (sr.MD)
{
if (old_sr.RB !=sr.RB)
ChangeGPR();//bank change
}
else
{
if (sr.RB)
{
log("UpdateSR MD=0;RB=1 , this must not happen\n");
sr.RB =0;//error - must allways be 0
if (old_sr.RB)
ChangeGPR();//switch
}
else
{
if (old_sr.RB)
ChangeGPR();//switch
}
}
/*
if ((old_sr.IMASK!=0xF) && (sr.IMASK==0xF))
{
//log("Interrupts disabled , pc=0x%X\n",pc);
}
if ((old_sr.IMASK==0xF) && (sr.IMASK!=0xF))
{
//log("Interrupts enabled , pc=0x%X\n",pc);
}
bool rv=old_sr.IMASK > sr.IMASK;
rv|=old_sr.BL==1 && sr.BL==0;
if (sr.IMASK==0xF)
rv=false;
*/
old_sr.m_full=sr.m_full;
return SRdecode();
}