Commit 846787113a3c5beb010145c2870ca163c5d21497
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315bc7aa
Special Mask Mode for i8259 PIC (Sebastian Reichelt).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4894 c046a42c-6fe2-441c-8c8c-71466251a162
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hw/i8259.c
| @@ -123,6 +123,8 @@ static int pic_get_irq(PicState *s) | @@ -123,6 +123,8 @@ static int pic_get_irq(PicState *s) | ||
| 123 | master, the IRQ coming from the slave is not taken into account | 123 | master, the IRQ coming from the slave is not taken into account |
| 124 | for the priority computation. */ | 124 | for the priority computation. */ |
| 125 | mask = s->isr; | 125 | mask = s->isr; |
| 126 | + if (s->special_mask) | ||
| 127 | + mask &= ~s->imr; | ||
| 126 | if (s->special_fully_nested_mode && s == &s->pics_state->pics[0]) | 128 | if (s->special_fully_nested_mode && s == &s->pics_state->pics[0]) |
| 127 | mask &= ~(1 << 2); | 129 | mask &= ~(1 << 2); |
| 128 | cur_priority = get_priority(s, mask); | 130 | cur_priority = get_priority(s, mask); |