Revision 63858cd9 hw/parallel.c
| b/hw/parallel.c | ||
|---|---|---|
| 65 | 65 |
#define PARA_CTR_SIGNAL (PARA_CTR_SELECT|PARA_CTR_INIT|PARA_CTR_AUTOLF|PARA_CTR_STROBE) |
| 66 | 66 |
|
| 67 | 67 |
typedef struct ParallelState {
|
| 68 |
MemoryRegion iomem; |
|
| 68 | 69 |
uint8_t dataw; |
| 69 | 70 |
uint8_t datar; |
| 70 | 71 |
uint8_t status; |
| ... | ... | |
| 555 | 556 |
parallel_ioport_write_sw(s, addr >> s->it_shift, value); |
| 556 | 557 |
} |
| 557 | 558 |
|
| 558 |
static CPUReadMemoryFunc * const parallel_mm_read_sw[] = {
|
|
| 559 |
¶llel_mm_readb, |
|
| 560 |
¶llel_mm_readw, |
|
| 561 |
¶llel_mm_readl, |
|
| 562 |
}; |
|
| 563 |
|
|
| 564 |
static CPUWriteMemoryFunc * const parallel_mm_write_sw[] = {
|
|
| 565 |
¶llel_mm_writeb, |
|
| 566 |
¶llel_mm_writew, |
|
| 567 |
¶llel_mm_writel, |
|
| 559 |
static const MemoryRegionOps parallel_mm_ops = {
|
|
| 560 |
.old_mmio = {
|
|
| 561 |
.read = { parallel_mm_readb, parallel_mm_readw, parallel_mm_readl },
|
|
| 562 |
.write = { parallel_mm_writeb, parallel_mm_writew, parallel_mm_writel },
|
|
| 563 |
}, |
|
| 564 |
.endianness = DEVICE_NATIVE_ENDIAN, |
|
| 568 | 565 |
}; |
| 569 | 566 |
|
| 570 | 567 |
/* If fd is zero, it means that the parallel device uses the console */ |
| 571 |
bool parallel_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq, |
|
| 568 |
bool parallel_mm_init(MemoryRegion *address_space, |
|
| 569 |
target_phys_addr_t base, int it_shift, qemu_irq irq, |
|
| 572 | 570 |
CharDriverState *chr) |
| 573 | 571 |
{
|
| 574 | 572 |
ParallelState *s; |
| 575 |
int io_sw; |
|
| 576 | 573 |
|
| 577 | 574 |
s = g_malloc0(sizeof(ParallelState)); |
| 578 | 575 |
s->irq = irq; |
| ... | ... | |
| 580 | 577 |
s->it_shift = it_shift; |
| 581 | 578 |
qemu_register_reset(parallel_reset, s); |
| 582 | 579 |
|
| 583 |
io_sw = cpu_register_io_memory(parallel_mm_read_sw, parallel_mm_write_sw,
|
|
| 584 |
s, DEVICE_NATIVE_ENDIAN);
|
|
| 585 |
cpu_register_physical_memory(base, 8 << it_shift, io_sw);
|
|
| 580 |
memory_region_init_io(&s->iomem, ¶llel_mm_ops, s,
|
|
| 581 |
"parallel", 8 << it_shift);
|
|
| 582 |
memory_region_add_subregion(address_space, base, &s->iomem);
|
|
| 586 | 583 |
return true; |
| 587 | 584 |
} |
| 588 | 585 |
|
Also available in: Unified diff