Freescale Powerpoint Template

Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, ColdFire+, C-Ware, the Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert, QorIQ, Qorivva, StarCore, Symphony and VortiQa are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, CoreNet, Flexis, Layerscape, MagniV, MXC, Platform in a TM 2 Package, QorIQ Qonverge, QUICC Engine, Ready Play, SafeAssure, the SafeAssure logo, SMARTMOS, TurboLink, Vybrid and Xtrinsic are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2012 Freescale Semiconductor, Inc. • Too much time is spent to debug problems • Design and testbench get more complex • Usage of unknown VIP • Reuse of module and subsystem level testbenches • Different debug methods for design and testbench − Debug gap shows up when design trace hits the testbench − Testbench infrastructure is not debug friendly

20 wave 15 log transactions 10

0 Overall LOC 1 LOC 2 Debug method usage

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SV Language constructs • Classes Represent typically the testbench Information is shown for the current time

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Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, ColdFire+, C-Ware, the Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert, QorIQ, Qorivva, StarCore, Symphony and VortiQa are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, CoreNet, Flexis, Layerscape, MagniV, MXC, Platform in a TM 13 Package, QorIQ Qonverge, QUICC Engine, Ready Play, SafeAssure, the SafeAssure logo, SMARTMOS, TurboLink, Vybrid and Xtrinsic are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2012 Freescale Semiconductor, Inc. virtual protected function void pre_put ( FSLLoggingBase caller, inout FSLCommandBase command); string name, msg_name; RegisterCmd cmd; super.pre_put(caller,command); $cast(cmd,command); // name is the stream of the channel Start of channel transaction name = get_name(); msg_name = {cmd.name,"_put"}; case (cmd.cmd) RegisterCmd::WRITE:`XACTION_START_4 (name,msg_name,"WRITE", cmd.addr,cmd.size,cmd.mode,cmd.data) RegisterCmd::READ: `XACTION_START_3 (name,msg_name,"READ", cmd.addr,cmd.size,cmd.mode) RegisterCmd::NOACC:`XACTION_START (name,msg_name,"NOACC") default :`XACTION_START (name,msg_name,"") endcase endfunction

Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, ColdFire+, C-Ware, the Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert, QorIQ, Qorivva, StarCore, Symphony and VortiQa are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, CoreNet, Flexis, Layerscape, MagniV, MXC, Platform in a TM 14 Package, QorIQ Qonverge, QUICC Engine, Ready Play, SafeAssure, the SafeAssure logo, SMARTMOS, TurboLink, Vybrid and Xtrinsic are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2012 Freescale Semiconductor, Inc. //************************************************* // Transaction recording macros // XACTION[_x] records start and stop of transaction // XACTION_START[_x] records start of transaction // XACTION_START_SEV[_x] records start of transaction // XACTION_FINISH[_x] records completion of transaction // XACTION_FINISH_SEV[_x] records completion of transaction // XACTION_EXTEND[_x] records additional information // to transaction // _x defines number of parameters passed // Note: Do not pass in arrays as additional argument // this causes a stack trace //*************************************************

• Macros • make the user code independent of PLI code • support stub implementation PLI = Programming Language Interface

Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, ColdFire+, C-Ware, the Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert, QorIQ, Qorivva, StarCore, Symphony and VortiQa are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, CoreNet, Flexis, Layerscape, MagniV, MXC, Platform in a TM 15 Package, QorIQ Qonverge, QUICC Engine, Ready Play, SafeAssure, the SafeAssure logo, SMARTMOS, TurboLink, Vybrid and Xtrinsic are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2012 Freescale Semiconductor, Inc. ìfdef VCS ìfdef V2009_12 `define XACTION_START(stream_i,msg_name_i,msg_i) \ begin \ string _stream = stream_i; \ PLI does not allow to have string _msg_name = msg_name_i; \ “.” in the stream_spec string _msg = msg_i; \ _stream = replace(_stream,".","_"); \ $vcdplusmsglog(_stream,XACTION,_msg_name,NORMAL,_msg,START); \ end èlse `define XACTION_START(stream_i,msg_name_i,msg_i) \ begin \ end èndif èndif Stub implementation

{cmd.name,”_put”}

Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, ColdFire+, C-Ware, the Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert, QorIQ, Qorivva, StarCore, Symphony and VortiQa are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, CoreNet, Flexis, Layerscape, MagniV, MXC, Platform in a TM 17 Package, QorIQ Qonverge, QUICC Engine, Ready Play, SafeAssure, the SafeAssure logo, SMARTMOS, TurboLink, Vybrid and Xtrinsic are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2012 Freescale Semiconductor, Inc. virtual protected function void post_get ( FSLLoggingBase caller, FSLCommandBase command); … // name is the stream of the driver Start of driver transaction … case (cmd.cmd) RegisterCmd::WRITE:`XACTION_START_4 (name,cmd.name,"WRITE", cmd.addr,cmd.size,cmd.mode,cmd.data) … endcase msg_name = {cmd.name,"_put"}; `XACTION_LINK_SINGLE (name,msg_name,cmd.name) Link of channel and driver case (cmd.cmd) transaction RegisterCmd::WRITE:`XACTION_FINISH_4 (name,msg_name,"WRITE", cmd.addr,cmd.size,cmd.mode,cmd.data) … endcase Completion of channel endfunction transaction

cmd.name {cmd.name,”_put”}

RegisterCmd cmd; super.post_done(caller,command); $cast(cmd,command); Completion of driver // name is the stream of the driver transaction ... case (cmd.cmd) RegisterCmd::WRITE:`XACTION_FINISH_5 (name,cmd.name,"WRITE", cmd.addr,cmd.size,cmd.mode,cmd.data,cmd.ack) RegisterCmd::READ: `XACTION_FINISH_5 (name,cmd.name,"READ", cmd.addr,cmd.size,cmd.mode,cmd.data,cmd.ack) RegisterCmd::NOACC:`XACTION_FINISH (name,cmd.name,"NOACC") default :`XACTION_FINISH (name,cmd.name,"") endcase endfunction

Link requires understanding of the testbench

Corresponding transaction

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Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, ColdFire+, C-Ware, the Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert, QorIQ, Qorivva, StarCore, Symphony and VortiQa are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, CoreNet, Flexis, Layerscape, MagniV, MXC, Platform in a TM 24 Package, QorIQ Qonverge, QUICC Engine, Ready Play, SafeAssure, the SafeAssure logo, SMARTMOS, TurboLink, Vybrid and Xtrinsic are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2012 Freescale Semiconductor, Inc. • Transaction recording can fill the gap between waveform and software debugger • The implementation still needs to be improved to get to the same ease-of-use level as waveform debugging • Effort to add this to an existing environment is not high if abstract interfaces are used • The link between the signal and transaction tracing is missing, but there are concepts that can be implemented. Unfortunately this not high on the priority list.