Revision 5dd25f36 hw/etraxfs_pic.c
| b/hw/etraxfs_pic.c | ||
|---|---|---|
| 39 | 39 |
struct etrax_pic |
| 40 | 40 |
{
|
| 41 | 41 |
SysBusDevice busdev; |
| 42 |
MemoryRegion mmio; |
|
| 42 | 43 |
void *interrupt_vector; |
| 43 | 44 |
qemu_irq parent_irq; |
| 44 | 45 |
qemu_irq parent_nmi; |
| ... | ... | |
| 77 | 78 |
qemu_set_irq(fs->parent_irq, !!vector); |
| 78 | 79 |
} |
| 79 | 80 |
|
| 80 |
static uint32_t pic_readl (void *opaque, target_phys_addr_t addr) |
|
| 81 |
static uint64_t |
|
| 82 |
pic_read(void *opaque, target_phys_addr_t addr, unsigned int size) |
|
| 81 | 83 |
{
|
| 82 | 84 |
struct etrax_pic *fs = opaque; |
| 83 | 85 |
uint32_t rval; |
| ... | ... | |
| 87 | 89 |
return rval; |
| 88 | 90 |
} |
| 89 | 91 |
|
| 90 |
static void |
|
| 91 |
pic_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
|
|
| 92 |
static void pic_write(void *opaque, target_phys_addr_t addr,
|
|
| 93 |
uint64_t value, unsigned int size)
|
|
| 92 | 94 |
{
|
| 93 | 95 |
struct etrax_pic *fs = opaque; |
| 94 | 96 |
D(printf("%s addr=%x val=%x\n", __func__, addr, value));
|
| ... | ... | |
| 99 | 101 |
} |
| 100 | 102 |
} |
| 101 | 103 |
|
| 102 |
static CPUReadMemoryFunc * const pic_read[] = {
|
|
| 103 |
NULL, NULL,
|
|
| 104 |
&pic_readl,
|
|
| 105 |
};
|
|
| 106 |
|
|
| 107 |
static CPUWriteMemoryFunc * const pic_write[] = {
|
|
| 108 |
NULL, NULL,
|
|
| 109 |
&pic_writel,
|
|
| 104 |
static const MemoryRegionOps pic_ops = {
|
|
| 105 |
.read = pic_read,
|
|
| 106 |
.write = pic_write,
|
|
| 107 |
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
| 108 |
.valid = {
|
|
| 109 |
.min_access_size = 4,
|
|
| 110 |
.max_access_size = 4
|
|
| 111 |
}
|
|
| 110 | 112 |
}; |
| 111 | 113 |
|
| 112 | 114 |
static void nmi_handler(void *opaque, int irq, int level) |
| ... | ... | |
| 139 | 141 |
static int etraxfs_pic_init(SysBusDevice *dev) |
| 140 | 142 |
{
|
| 141 | 143 |
struct etrax_pic *s = FROM_SYSBUS(typeof (*s), dev); |
| 142 |
int intr_vect_regs; |
|
| 143 | 144 |
|
| 144 | 145 |
qdev_init_gpio_in(&dev->qdev, irq_handler, 32); |
| 145 | 146 |
sysbus_init_irq(dev, &s->parent_irq); |
| 146 | 147 |
sysbus_init_irq(dev, &s->parent_nmi); |
| 147 | 148 |
|
| 148 |
intr_vect_regs = cpu_register_io_memory(pic_read, pic_write, s, |
|
| 149 |
DEVICE_NATIVE_ENDIAN); |
|
| 150 |
sysbus_init_mmio(dev, R_MAX * 4, intr_vect_regs); |
|
| 149 |
memory_region_init_io(&s->mmio, &pic_ops, s, "etraxfs-pic", R_MAX * 4); |
|
| 150 |
sysbus_init_mmio_region(dev, &s->mmio); |
|
| 151 | 151 |
return 0; |
| 152 | 152 |
} |
| 153 | 153 |
|
Also available in: Unified diff