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Diffstat (limited to 'hw/usb/desc.c')
-rw-r--r--hw/usb/desc.c39
1 files changed, 20 insertions, 19 deletions
diff --git a/hw/usb/desc.c b/hw/usb/desc.c
index 9847a75b83..de7e2043b5 100644
--- a/hw/usb/desc.c
+++ b/hw/usb/desc.c
@@ -18,32 +18,33 @@ int usb_desc_device(const USBDescID *id, const USBDescDevice *dev,
uint8_t *dest, size_t len)
{
uint8_t bLength = 0x12;
+ USBDescriptor *d = (void *)dest;
if (len < bLength) {
return -1;
}
- dest[0x00] = bLength;
- dest[0x01] = USB_DT_DEVICE;
+ d->bLength = bLength;
+ d->bDescriptorType = USB_DT_DEVICE;
- dest[0x02] = usb_lo(dev->bcdUSB);
- dest[0x03] = usb_hi(dev->bcdUSB);
- dest[0x04] = dev->bDeviceClass;
- dest[0x05] = dev->bDeviceSubClass;
- dest[0x06] = dev->bDeviceProtocol;
- dest[0x07] = dev->bMaxPacketSize0;
+ d->u.device.bcdUSB_lo = usb_lo(dev->bcdUSB);
+ d->u.device.bcdUSB_hi = usb_hi(dev->bcdUSB);
+ d->u.device.bDeviceClass = dev->bDeviceClass;
+ d->u.device.bDeviceSubClass = dev->bDeviceSubClass;
+ d->u.device.bDeviceProtocol = dev->bDeviceProtocol;
+ d->u.device.bMaxPacketSize0 = dev->bMaxPacketSize0;
+
+ d->u.device.idVendor_lo = usb_lo(id->idVendor);
+ d->u.device.idVendor_hi = usb_hi(id->idVendor);
+ d->u.device.idProduct_lo = usb_lo(id->idProduct);
+ d->u.device.idProduct_hi = usb_hi(id->idProduct);
+ d->u.device.bcdDevice_lo = usb_lo(id->bcdDevice);
+ d->u.device.bcdDevice_hi = usb_hi(id->bcdDevice);
+ d->u.device.iManufacturer = id->iManufacturer;
+ d->u.device.iProduct = id->iProduct;
+ d->u.device.iSerialNumber = id->iSerialNumber;
- dest[0x08] = usb_lo(id->idVendor);
- dest[0x09] = usb_hi(id->idVendor);
- dest[0x0a] = usb_lo(id->idProduct);
- dest[0x0b] = usb_hi(id->idProduct);
- dest[0x0c] = usb_lo(id->bcdDevice);
- dest[0x0d] = usb_hi(id->bcdDevice);
- dest[0x0e] = id->iManufacturer;
- dest[0x0f] = id->iProduct;
- dest[0x10] = id->iSerialNumber;
-
- dest[0x11] = dev->bNumConfigurations;
+ d->u.device.bNumConfigurations = dev->bNumConfigurations;
return bLength;
}