USDB support » History » Revision 2
Revision 1 (jun chen, 03/27/2025 12:23 AM) → Revision 2/3 (jun chen, 03/27/2025 12:25 AM)
# USDB support
300
Developer: ShuMiao PE: JiaXiao
PV: SiQi
Date: 2023/12
## in-house utility {SiQi)
vcddiff D叩DD (SiQi todo)
叩田叩叩DD叩叩DDDusdb-> vcd, DDvcd-> usdb叩D执叩O叩D
D叩DD叩
```
source /scratch02/rnd/sqchen/work—to—do/GB—VCD/.VD/setup.csh
1.usdb-> vcd: usdb2vcd -i �input—usdb—file -o �output—vcd—file
2.vcd->usdb: vcd2usdb -i �input—vcd—file -o �output—usdb—file
```
## Spec and function {Shumiao)
参伲D料叩
USDB API specification file: attachment:"EDA2数字波形接口.pdf" EDA200D叩接叩.pdf
Discussion with USDB: attachment:"国标USDB问题解答.pptx" DDUSDBD叩DO.pptx
D叩叩叩parse usdbDDO叩D叩叩是叩见叩供叩parserDD叩叩译叩见叩供叩libOD这叩O叩支叩cent7DDDD叩叩cent7O叩译binaryDDDOD叩O叩图叩示叩
如叩使叩extract_usdb叩
option叩D释叩
-input_file叩叩DusdbDD叩O叩D
-output_file: 叩DOODO叩vcdO叩DDODDDDO叩DusdbOOvcd
-start_time: DDDDusdbOOD叩
-end_time: DDDDusdb叩叩D叩
-refine_path: DDDDusdbDD叩strip掉叩层叩 eg1. 叩DusdbOOvcdO叩叩
extract—usdb -input—file example.usdb -output—file demo.vcd -start—time �STARTTIMF -end—time �FNDT IMF
eg2. DDusdbDOswitching activity:
extract—usdb -input—file example.usdb -start—time �STARTTIMF -end—time �FNDTIMF -refine—path �PAT:
如叩DD vcdD叩叩 tool: vcddiff 位DDD叩DD叩
/reg/util/vp/util—scripts/work—util/vcddiff test1.vcd test2.vcd > diff.log
Case, regression {ShuMiao)
PS叩 Cases必须叩cent7叩binary□D叩叩DDO0支叩cent6
Case 1. 通叩cht□D hvp门D usdbD叩咖叩将叩转叩叩叩价叩vcdD叩叩
a)D叩vcd2usdb叩DDDOdemo_golden.vcdOOOdemo.usdbO叩
vcd2usdb -i demo—golden.vcd -o demo.usdb
b)DDextract_usdbOOOdemo.vcdO叩
extract—usdb -input—file demo.usdb -output—file demo.vcd
D田D叩叩DDvcddiffD衄demo_golden.vcdDdemo.vcdO叩, ODdiff.logOD叩pass
vcddiff test—golden.vcd demo.vcd > diff.log
example case:
/scratch02/rnd/smli/usdb—case/usdb/usdb—to—vcd/test.tcl
Case 2. 搭叩cht power所叩要叩design, 门D usdbD叩咖叩D usdb叩标工switching activity信息咖生叩功叩分D结叩：
a)D叩vcd2usdb叩D拿叩叩Dcase叩xxx.usdbO叩
b)D田cht design, DOtiming analysis后D叩叩DOxxx.vcdD叩叩叩power analysis
extract—switching—activity -format vcd -file xxx.vcd -refine—path �PAT: report—power—anaysis > golden/power—golden.rpt
c)DDswitching activityD叩Dxxx.usdbO叩D叩叩叩power analysis
set—switching—activity -clear
extract—usdb -intput—file xxx.usdb -refine—path �PAT: report—power—anaysis > power.rpt
D田D叩叩
1.Switching activity叩DDDDDDcheckpointD衄DD叩DD
2.D耗叩DOD叩
qa—report—power—analysis design golden/power—golden.rpt power.rpt
example case:
/scratch02/rnd/smli/usdb—case/usdb/usdb—to—pow/test.tcl
Schedule and result {JiaXiao)
