hw/misc/pc-testdev.c

18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
30  * qemu-system-x86_64 -device pc-testdev -serial stdio \
31  * -device isa-debug-exit,iobase=0xf4,iosize=0x4 \
32  * -kernel /home/lmr/Code/virt-test.git/kvm/unittests/msr.flat
35  * https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git
58 #define TYPE_TESTDEV "pc-testdev"
77     .write = test_irq_line_write,
89     uint32_t mask = ((uint32_t)-1 >> (32 - bits)) << start_bit;  in test_ioport_write()
90     dev->ioport_data &= ~mask;  in test_ioport_write()
91     dev->ioport_data |= data << start_bit;  in test_ioport_write()
99     uint32_t mask = ((uint32_t)-1 >> (32 - bits)) << start_bit;  in test_ioport_read()
100     return (dev->ioport_data & mask) >> start_bit;  in test_ioport_read()
105     .write = test_ioport_write,
111     .write = test_ioport_write,
141     .write = test_flush_page_write,
151     memcpy(&ret, &dev->iomem_buf[addr], len);  in test_iomem_read()
160     memcpy(&dev->iomem_buf[addr], &val, len);  in test_iomem_write()
161     dev->iomem_buf[addr] = val;  in test_iomem_write()
166     .write = test_iomem_write,
177     memory_region_init_io(&dev->ioport, OBJECT(dev), &test_ioport_ops, dev,  in testdev_realizefn()
178                           "pc-testdev-ioport", 4);  in testdev_realizefn()
179     memory_region_init_io(&dev->ioport_byte, OBJECT(dev),  in testdev_realizefn()
181                           "pc-testdev-ioport-byte", 4);  in testdev_realizefn()
182     memory_region_init_io(&dev->flush, OBJECT(dev), &test_flush_ops, dev,  in testdev_realizefn()
183                           "pc-testdev-flush-page", 4);  in testdev_realizefn()
184     memory_region_init_io(&dev->irq, OBJECT(dev), &test_irq_ops, dev,  in testdev_realizefn()
185                           "pc-testdev-irq-line", 24);  in testdev_realizefn()
186     memory_region_init_io(&dev->iomem, OBJECT(dev), &test_iomem_ops, dev,  in testdev_realizefn()
187                           "pc-testdev-iomem", IOMEM_LEN);  in testdev_realizefn()
189     memory_region_add_subregion(io,  0xe0,       &dev->ioport);  in testdev_realizefn()
190     memory_region_add_subregion(io,  0xe4,       &dev->flush);  in testdev_realizefn()
191     memory_region_add_subregion(io,  0xe8,       &dev->ioport_byte);  in testdev_realizefn()
192     memory_region_add_subregion(io,  0x2000,     &dev->irq);  in testdev_realizefn()
193     memory_region_add_subregion(mem, 0xff000000, &dev->iomem);  in testdev_realizefn()
200     set_bit(DEVICE_CATEGORY_MISC, dc->categories);  in testdev_class_init()
201     dc->realize = testdev_realizefn;  in testdev_class_init()