如何修改K1 STK V1.1中的srio例程为no loop back

if(SRIO_NO_LOOPBACK==loopback_mode)

/*DSP0 is the master for test, DSP0 DirectIO or send message to DSP1.
DSP1 is the slave for test, it monitor the doorbell and message
interrupt to detect the received data*/
if(0==uiDspNum)
{
SRIO_2DSP_Test();
}
else
{
srio_cfg.device_ID_routing_config= dsp1_device_ID_routing_config;
srio_cfg.uiNumDeviceId=
sizeof(dsp1_device_ID_routing_config)/
sizeof(SRIO_Device_ID_Routing_Config);

msg_cfg.message_map = DSP1_message_map;
msg_cfg.uiNumMessageMap=
sizeof(DSP1_message_map)/sizeof(SRIO_RX_Message_Map);
srio_cfg.msg_cfg= &msg_cfg;

serdesLinkSetup.linkSpeed_GHz= SRIO_DEFAULT_TEST_SPEED;
srio_cfg.srio_1x2x4x_path_control= SRIO_PATH_CTL_1xLaneA_1xLaneB_1xLaneC_1xLaneD;
srio_identify_used_ports_lanes(srio_cfg.srio_1x2x4x_path_control);

/*On dual Nyquist EVM only lane 2 and 3 are connected between 2 DSPs*/
srio_cfg.blockEn.bLogic_Port_EN[0]= FALSE;
srio_cfg.blockEn.bLogic_Port_EN[1]= FALSE;

KeyStone_SRIO_Init(&srio_cfg);
SRIO_PktDM_init();

/*accumulation is only used for the 2nd DSP for two DSPs test*/
QMSS_Accumulation_config();

puts("DSP1 ready as slave for test");
while(1);
}
}

if(SRIO_NO_LOOPBACK==loopback_mode)

/*DSP0 is the master for test, DSP0 DirectIO or send message to DSP1.
DSP1 is the slave for test, it monitor the doorbell and message
interrupt to detect the received data*/
if(0==uiDspNum)
{
SRIO_2DSP_Test();
}
else
{
srio_cfg.device_ID_routing_config= dsp1_device_ID_routing_config;
srio_cfg.uiNumDeviceId=
sizeof(dsp1_device_ID_routing_config)/
sizeof(SRIO_Device_ID_Routing_Config);

msg_cfg.message_map = DSP1_message_map;
msg_cfg.uiNumMessageMap=
sizeof(DSP1_message_map)/sizeof(SRIO_RX_Message_Map);
srio_cfg.msg_cfg= &msg_cfg;

serdesLinkSetup.linkSpeed_GHz= SRIO_DEFAULT_TEST_SPEED;
srio_cfg.srio_1x2x4x_path_control= SRIO_PATH_CTL_1xLaneA_1xLaneB_1xLaneC_1xLaneD;
srio_identify_used_ports_lanes(srio_cfg.srio_1x2x4x_path_control);

/*On dual Nyquist EVM only lane 2 and 3 are connected between 2 DSPs*/
srio_cfg.blockEn.bLogic_Port_EN[0]= FALSE;
srio_cfg.blockEn.bLogic_Port_EN[1]= FALSE;

KeyStone_SRIO_Init(&srio_cfg);
SRIO_PktDM_init();

/*accumulation is only used for the 2nd DSP for two DSPs test*/
QMSS_Accumulation_config();

puts("DSP1 ready as slave for test");
while(1);
}
}

else if(SRIO_NO_LOOPBACK==loopback_mode) //test between 2 DSPs
{
/*DSP0 is the master for test, DSP0 DirectIO or send message to DSP1.
DSP1 is the slave for test, it monitor the doorbell and message
interrupt to detect the received data*/
if(0==uiDspNum)
{
SRIO_2DSP_Test();
}
else
{
srio_cfg.device_ID_routing_config= dsp1_device_ID_routing_config;
srio_cfg.uiNumDeviceId=
sizeof(dsp1_device_ID_routing_config)/
sizeof(SRIO_Device_ID_Routing_Config);

msg_cfg.message_map = DSP1_message_map;
msg_cfg.uiNumMessageMap=
sizeof(DSP1_message_map)/sizeof(SRIO_RX_Message_Map);
srio_cfg.msg_cfg= &msg_cfg;

serdesLinkSetup.linkSpeed_GHz= SRIO_DEFAULT_TEST_SPEED;
srio_cfg.srio_1x2x4x_path_control= SRIO_PATH_CTL_1xLaneA_1xLaneB_1xLaneC_1xLaneD;
srio_identify_used_ports_lanes(srio_cfg.srio_1x2x4x_path_control);

/*On dual Nyquist EVM only lane 2 and 3 are connected between 2 DSPs*/
srio_cfg.blockEn.bLogic_Port_EN[0]= FALSE;
srio_cfg.blockEn.bLogic_Port_EN[1]= FALSE;

KeyStone_SRIO_Init(&srio_cfg);
SRIO_PktDM_init();

/*accumulation is only used for the 2nd DSP for two DSPs test*/
QMSS_Accumulation_config();

puts("DSP1 ready as slave for test");
while(1);
}

可以结合KeyStone_1_SRIO_STK_User's_Guide.doc文档，里面有Data passing between 2 DSPs例程。