ethonion10/v86
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Fixed some problems in the PIC

Browse source
This commit is contained in:
copy 2013-11-25 11:58:36 +01:00
parent 27969a4d84
commit 6bab31ada3
1 changed files with 20 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
src/pic.js
View file

@ -67,8 +67,10 @@ function PIC(dev, call_interrupt_vector, handle_irqs, master)
return false;
}
var irq_number = log2_table[irq];
irq = 1 << irq_number;
irr &= ~irq;
isr |= irq;
if(irq === 4)
{
@ -76,7 +78,12 @@ function PIC(dev, call_interrupt_vector, handle_irqs, master)
return slave.handle_irqs();
}
call_interrupt_vector(irq_map + log2_table[irq], false, false);
if(!auto_eoi)
{
isr |= irq;
}
call_interrupt_vector(irq_map | irq_number, false, false);
return true;
};
@ -101,10 +108,13 @@ function PIC(dev, call_interrupt_vector, handle_irqs, master)
return false;
}
var irq_number = log2_table[irq];
irq = 1 << irq_number;
irr &= ~irq;
isr |= irq;
call_interrupt_vector(irq_map + log2_table[irq], false, false);
call_interrupt_vector(irq_map | irq_number, false, false);
if(irr)
{
@ -112,6 +122,11 @@ function PIC(dev, call_interrupt_vector, handle_irqs, master)
master.push_irq(2);
}
if(!auto_eoi)
{
isr &= ~irq;
}
return true;
};
}
@ -172,14 +187,14 @@ function PIC(dev, call_interrupt_vector, handle_irqs, master)
{
// ocw2
// end of interrupt
//dbg_log("ocw2: " + h(data_byte), LOG_PIC);
//dbg_log("eoi: " + h(data_byte), LOG_PIC);
var eoi_type = data_byte >> 5;
if(eoi_type === 1)
{
// non-specific eoi
isr = 0;
isr &= isr - 1;
}
else if(eoi_type === 3)
{