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ETRAX: Simplify interrupt signaling.

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Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2009-05-05 12:25:35 +02:00
parent 65a650c2a5
commit 7a3161bafb
3 changed files with 7 additions and 20 deletions
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6
hw/etraxfs_dma.c
View File

@ -392,10 +392,8 @@ static void channel_update_irq(struct fs_dma_ctrl *ctrl, int c)
c,
ctrl->channels[c].regs[R_MASKED_INTR]));
if (ctrl->channels[c].regs[R_MASKED_INTR])
qemu_irq_raise(ctrl->channels[c].irq[0]);
else
qemu_irq_lower(ctrl->channels[c].irq[0]);
qemu_set_irq(ctrl->channels[c].irq[0],
!!ctrl->channels[c].regs[R_MASKED_INTR]);
}
static int channel_out_run(struct fs_dma_ctrl *ctrl, int c)

10
hw/etraxfs_ser.c
View File

@ -67,24 +67,16 @@ struct etrax_serial_t
static void ser_update_irq(struct etrax_serial_t *s)
{
uint32_t o_irq = s->r_masked_intr;
s->r_intr &= ~(s->rw_ack_intr);
s->r_masked_intr = s->r_intr & s->rw_intr_mask;
if (o_irq != s->r_masked_intr) {
D(printf("irq_mask=%x r_intr=%x rmi=%x airq=%x \n",
s->rw_intr_mask, s->r_intr,
s->r_masked_intr, s->rw_ack_intr));
if (s->r_masked_intr)
qemu_irq_raise(s->irq[0]);
else
qemu_irq_lower(s->irq[0]);
}
qemu_set_irq(s->irq[0], !!s->r_masked_intr);
s->rw_ack_intr = 0;
}
static uint32_t ser_readb (void *opaque, target_phys_addr_t addr)
{
D(CPUState *env = opaque);

5
hw/etraxfs_timer.c
View File

@ -178,10 +178,7 @@ static void timer_update_irq(struct fs_timer_t *t)
t->r_masked_intr = t->r_intr & t->rw_intr_mask;
D(printf("%s: masked_intr=%x\n", __func__, t->r_masked_intr));
if (t->r_masked_intr)
qemu_irq_raise(t->irq[0]);
else
qemu_irq_lower(t->irq[0]);
qemu_set_irq(t->irq[0], !!t->r_masked_intr);
}
static void timer0_hit(void *opaque)