Revision 2e15e23b hw/isa-bus.c
| b/hw/isa-bus.c | ||
|---|---|---|
| 57 | 57 |
isabus->irqs = irqs; |
| 58 | 58 |
} |
| 59 | 59 |
|
| 60 |
void isa_connect_irq(ISADevice *dev, int devnr, int isairq) |
|
| 61 |
{
|
|
| 62 |
assert(devnr >= 0 && devnr < dev->nirqs); |
|
| 63 |
if (isabus->assigned & (1 << isairq)) {
|
|
| 64 |
fprintf(stderr, "isa irq %d already assigned\n", isairq); |
|
| 65 |
exit(1); |
|
| 66 |
} |
|
| 67 |
if (dev->irqs[devnr]) {
|
|
| 68 |
isabus->assigned |= (1 << isairq); |
|
| 69 |
dev->isairq[devnr] = isairq; |
|
| 70 |
*dev->irqs[devnr] = isabus->irqs[isairq]; |
|
| 71 |
} |
|
| 72 |
} |
|
| 73 |
|
|
| 74 | 60 |
/* |
| 75 | 61 |
* isa_reserve_irq() reserves the ISA irq and returns the corresponding |
| 76 | 62 |
* qemu_irq entry for the i8259. |
| ... | ... | |
| 92 | 78 |
return isabus->irqs[isairq]; |
| 93 | 79 |
} |
| 94 | 80 |
|
| 95 |
void isa_init_irq(ISADevice *dev, qemu_irq *p) |
|
| 81 |
void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq)
|
|
| 96 | 82 |
{
|
| 97 |
assert(dev->nirqs < ARRAY_SIZE(dev->irqs)); |
|
| 98 |
dev->irqs[dev->nirqs] = p; |
|
| 83 |
assert(dev->nirqs < ARRAY_SIZE(dev->isairq)); |
|
| 84 |
if (isabus->assigned & (1 << isairq)) {
|
|
| 85 |
fprintf(stderr, "isa irq %d already assigned\n", isairq); |
|
| 86 |
exit(1); |
|
| 87 |
} |
|
| 88 |
isabus->assigned |= (1 << isairq); |
|
| 89 |
dev->isairq[dev->nirqs] = isairq; |
|
| 90 |
*p = isabus->irqs[isairq]; |
|
| 99 | 91 |
dev->nirqs++; |
| 100 | 92 |
} |
| 101 | 93 |
|
| ... | ... | |
| 117 | 109 |
qdev_register(&info->qdev); |
| 118 | 110 |
} |
| 119 | 111 |
|
| 120 |
ISADevice *isa_create_simple(const char *name, uint32_t irq, uint32 irq2)
|
|
| 112 |
ISADevice *isa_create_simple(const char *name) |
|
| 121 | 113 |
{
|
| 122 | 114 |
DeviceState *dev; |
| 123 |
ISADevice *isa; |
|
| 124 | 115 |
|
| 125 | 116 |
if (!isabus) {
|
| 126 | 117 |
fprintf(stderr, "Tried to create isa device %s with no isa bus present.\n", name); |
| 127 | 118 |
return NULL; |
| 128 | 119 |
} |
| 129 | 120 |
dev = qdev_create(&isabus->qbus, name); |
| 130 |
isa = DO_UPCAST(ISADevice, qdev, dev); |
|
| 131 | 121 |
qdev_init(dev); |
| 132 |
if (irq != -1) {
|
|
| 133 |
isa_connect_irq(isa, 0, irq); |
|
| 134 |
} |
|
| 135 |
if (irq2 != -1) {
|
|
| 136 |
isa_connect_irq(isa, 1, irq2); |
|
| 137 |
} |
|
| 138 |
return isa; |
|
| 122 |
return DO_UPCAST(ISADevice, qdev, dev); |
|
| 139 | 123 |
} |
| 140 | 124 |
|
| 141 | 125 |
static void isabus_dev_print(Monitor *mon, DeviceState *dev, int indent) |
Also available in: Unified diff