diff options
| -rw-r--r-- | hw/display/macfb.c | 15 | ||||
| -rw-r--r-- | include/hw/display/macfb.h | 2 |
2 files changed, 7 insertions, 10 deletions
diff --git a/hw/display/macfb.c b/hw/display/macfb.c index 66ceacf..fb54b46 100644 --- a/hw/display/macfb.c +++ b/hw/display/macfb.c @@ -476,7 +476,8 @@ static void macfb_update_display(void *opaque) static void macfb_update_irq(MacfbState *s) { - uint32_t irq_state = s->irq_state & s->irq_mask; + uint32_t irq_state = s->regs[DAFB_INTR_STAT >> 2] & + s->regs[DAFB_INTR_MASK >> 2]; if (irq_state) { qemu_irq_raise(s->irq); @@ -496,7 +497,7 @@ static void macfb_vbl_timer(void *opaque) MacfbState *s = opaque; int64_t next_vbl; - s->irq_state |= DAFB_INTR_VBL; + s->regs[DAFB_INTR_STAT >> 2] |= DAFB_INTR_VBL; macfb_update_irq(s); /* 60 Hz irq */ @@ -530,10 +531,8 @@ static uint64_t macfb_ctrl_read(void *opaque, case DAFB_MODE_VADDR2: case DAFB_MODE_CTRL1: case DAFB_MODE_CTRL2: - val = s->regs[addr >> 2]; - break; case DAFB_INTR_STAT: - val = s->irq_state; + val = s->regs[addr >> 2]; break; case DAFB_MODE_SENSE: val = macfb_sense_read(s); @@ -568,7 +567,7 @@ static void macfb_ctrl_write(void *opaque, macfb_sense_write(s, val); break; case DAFB_INTR_MASK: - s->irq_mask = val; + s->regs[addr >> 2] = val; if (val & DAFB_INTR_VBL) { next_vbl = macfb_next_vbl(); timer_mod(s->vbl_timer, next_vbl); @@ -577,12 +576,12 @@ static void macfb_ctrl_write(void *opaque, } break; case DAFB_INTR_CLEAR: - s->irq_state &= ~DAFB_INTR_VBL; + s->regs[DAFB_INTR_STAT >> 2] &= ~DAFB_INTR_VBL; macfb_update_irq(s); break; case DAFB_RESET: s->palette_current = 0; - s->irq_state &= ~DAFB_INTR_VBL; + s->regs[DAFB_INTR_STAT >> 2] &= ~DAFB_INTR_VBL; macfb_update_irq(s); break; case DAFB_LUT: diff --git a/include/hw/display/macfb.h b/include/hw/display/macfb.h index e52775a..6d9f0f7 100644 --- a/include/hw/display/macfb.h +++ b/include/hw/display/macfb.h @@ -66,8 +66,6 @@ typedef struct MacfbState { uint32_t regs[MACFB_NUM_REGS]; MacFbMode *mode; - uint32_t irq_state; - uint32_t irq_mask; QEMUTimer *vbl_timer; qemu_irq irq; } MacfbState; |