hwGetRevision.c

#include <stdio.h>
#include <stdint.h>

#include "../libusb_test/usb.h"


void hwGetRevision( libusb_device_handle *dev, unsigned int *rev )
{

/*
================ B E G I N N I N G   O F   P R O C E D U R E ================



	hwGetRevision ( IOUSBDevice*,   rdi IOUSBDevice
	                unsigned int*   rsi rev*
	              )


	0x0000101e  push   rbp
	0x0000101f  mov    rbp, rsp
	0x00001022  push   rbx
	0x00001023  sub    rsp, 0x18
*/

/*
	0x00001027  mov    rbx, rsi
	0x0000102a  mov    dword [ss:rbp-0x0C], 0x0
	0x00001031  mov    dword [ss:rbp-0x10], 0x0
*/

//  uint32_t len  = 0;
	uint32_t data = 0;

	ctrl_setup ctrl;

/*
	0x00001038  lea  rax, qword [ss:rbp-0x0C]
*/
//  uint32_t *len_p = &len;

/*
	0x0000103c  mov  qword [ss:rsp+0x8], rax  ; argument "var_18" for method
	0x00001041  mov  dword [ss:rsp], 0x1      ; argument "var_10" for method
	0x00001048  mov  esi, 0x1c                ; argument #2 for method
	0x0000104d  xor  edx, edx                 ; argument #3 for method
	0x0000104f  lea  r8, qword [ss:rbp-0x10]  ; argument #5 for method
	0x00001053  mov  r9d, 0x4                 ; argument #6 for method
	0x00001059  xor  ecx, ecx                 ; argument #4 for method
	0x0000105b  call Usb_vendor_device_request( IOUSBDevice*,
	                                            unsigned char,   ; bRequest
	                                            unsigned short,  ; wValue
	                                            unsigned short,  ; wIndex
	                                            void*,           ; data
	                                            unsigned short,  ; wLength
	                                            unsigned char,   ; bmRequestType
	                                            unsigned int*    ; &len
	                                          )
*/
	// usb_vendor_device_request( IOUSBDevice, 0x1c, 0, 0, data, 0x04, 0x01, len_p );
	// len = send_ctrl_setup_alt( dev, 0xc0, 0x1c, 0x0000, 0x0000, 0x0004, (unsigned char *)&data );

	ctrl.bmRequestType = 0xc0;
	ctrl.bRequest = 0x1c;
	ctrl.wValue = 0x0000;
	ctrl.wIndex = 0x0000;
	ctrl.wLength = 0x0004;

	send_ctrl_setup( dev, &ctrl, (unsigned char *)&data );

/*

	0x00001060  mov  ecx, dword [ss:rbp-0x10]
	0x00001063  shr  ecx, 0x10
	0x00001066  mov  dword [ds:rbx], ecx
*/
	data >>= 0x10;
	*rev = data;

/*
	0x00001068  add  rsp, 0x18
	0x0000106c  pop  rbx
	0x0000106d  pop  rbp
	0x0000106e  ret
			; endp
*/
	return;		// TODO: depends on Usb_vendor_device_request() return (eax ?)
}