diff options
Diffstat (limited to 'hw/i8259.c')
| -rw-r--r-- | hw/i8259.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/hw/i8259.c b/hw/i8259.c index 545d72373b..88702778f4 100644 --- a/hw/i8259.c +++ b/hw/i8259.c @@ -361,30 +361,6 @@ static void pic_ioport_write(void *opaque, target_phys_addr_t addr64, } } -static uint32_t pic_poll_read(PicState *s) -{ - int ret; - - ret = pic_get_irq(s); - if (ret >= 0) { - bool slave = (s == &isa_pic->pics[1]); - - if (slave) { - s->pics_state->pics[0].isr &= ~(1 << 2); - s->pics_state->pics[0].irr &= ~(1 << 2); - } - s->irr &= ~(1 << ret); - s->isr &= ~(1 << ret); - if (slave || ret != 2) { - pic_update_irq(s); - } - } else { - ret = 0x07; - } - - return ret; -} - static uint64_t pic_ioport_read(void *opaque, target_phys_addr_t addr, unsigned size) { @@ -414,21 +390,6 @@ static uint64_t pic_ioport_read(void *opaque, target_phys_addr_t addr, return ret; } -/* memory mapped interrupt status */ -/* XXX: may be the same than pic_read_irq() */ -uint32_t pic_intack_read(PicState2 *s) -{ - int ret; - - ret = pic_poll_read(&s->pics[0]); - if (ret == 2) - ret = pic_poll_read(&s->pics[1]) + 8; - /* Prepare for ISR read */ - s->pics[0].read_reg_select = 1; - - return ret; -} - int pic_get_output(PicState2 *s) { return (pic_get_irq(&s->pics[0]) >= 0); |