| 13,6 → 13,7 |
|---|
| |
| include '../proc32.inc' |
| include '../imports.inc' |
| include 'urb.inc' |
| |
| struc UHCI |
| { |
| 371,6 → 372,42 |
|---|
| ret |
| endp |
| |
| |
| align 4 |
| proc usb_get_descriptor stdcall, dev:dword, type:dword, index:dword,\ |
| buf:dword, size:dword |
| |
| locals |
| count dd ? |
| endl |
| |
| mov esi, [buf] |
| mov ecx, [size] |
| xor eax, eax |
| cld |
| rep stosb |
| |
| mov [count], 3 |
| @@: |
| mov eax, [type] |
| shl eax, 8 |
| add eax, [index] |
| stdcall usb_control_msg, [dev],pipe,USB_REQ_GET_DESCRIPTOR,\ |
| USB_DIR_IN, eax,0,[buf], [size],\ |
| USB_CTRL_GET_TIMEOUT |
| test eax, eax |
| jz .next |
| cmp eax, -1 |
| je .next |
| jmp. ok |
| .next: |
| dec [count] |
| jnz @B |
| mov eax, -1 |
| .ok: |
| ret |
| endp |
| |
| DEVICE_ID equ 0x24D2 ; pci device id |
| VENDOR_ID equ 0x8086 ; device vendor id |
| QEMU_USB equ 0x7020 |