Still I dint get the output on my transcript because of a gcc error.
Pretty good utility this header inclusion The C program seems to be working fine when I ran independently.Ĭhanged it to const char* in C program and the conflicting type error disappeared. # dpiheader.h:27:1: note: previous declaration of 'hello' was here # hello.c:5:6: error: conflicting types for 'hello' Gcc -shared -Bsymbolic -o hello.dll hello.cīut the compilation of C file in the next step ended in error. The simulation error disappeared, but the output is still missing. I am confused whether the vsim is expection a. # Use the -help option for complete vsim usage. # ** Error: (vsim-3763) SystemVerilog DPI cannot access file '.\hello.dll' Gcc -shared -Bsymbolic -o hello.so hello.c Import "DPI-C" function void hello(string str) Tried to compile the C program using gcc and getting some compile errors. I am getting the same error when I try to run a simple "Hello World" program. # Time: 0 ns Iteration: 0 Instance: /main File: dpi_test.sv # ** Note: (vsim-3812) Design is being optimized. Vlog -dpiheader dpi_header_file.h dpi_test.c dpi_test.sv Import "DPI-C" function void string_sv2c()
Import "DPI-C" string_sv2c=function void string_sv2c() Īs u said i just put every file in the same path #include"F:\prepare\Verification\dpi_header_file.h" Verification/verificationcodes/dpi/dpi_test.sv 10 Verification/verificationcodes/dpi/dpi_test.sv 5 Verification/verificationcodes/dpi/dpi_test.sv line 5 Verification/verificationcodes/dpi/dpi_test.sv # Time: 0 ns Iteration: 0 Process: /main/#INITIAL#8 File. Verification/verificationcodes/dpi/dpi_test.sv(5): Null foreign function pointer encountered when calling 'string_sv2c' # Time: 0 ns Iteration: 0 Instance: /main File. # of shared libraries that will be used to resolve user specified functions. # Using -sv_lib, -sv_root, and -sv_liblist arguments can provide a search list # ** Warning: (vsim-3770) Failed to find user specified function 'string_sv2c'.
# ** Note: (vsim-3813) Design is being optimized due to module recompilation.
Verification/verificationcodes/dpi/dpi_test.sv.
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