You should not be running "make sim_%"
the % in Makefile is a bit like * in shell.
it means it will catch any target starting with "sim_"
So for instance you could type : make sim_pipe1 or make sim_hello_world
In order to run the unit tests which are in test/unittests:
you can run make unittest
If then you, after all that, still have issues with your lm32 objcopy
not supporting the -O verilog backend you can modify the Makefiles as I
did over here:
https://github.com/fallen/lm32/blob/asid/test/unittests/Makefile#112
Quote :
%.vh: %.elf
@$(OBJCOPY) -O binary $< $@.tmp
@hexdump -Cv $@.tmp | awk 'BEGIN { FS=" " } ; { for (i = 2 ; i <
18 ; i++) { printf "%s ",$$i } ; print " " }' > $@
@$(RM) $@.tmp
instead of using the objcopy stuff, it works in my environment :)
Le 2014-01-10 16:50, Salman Sheikh a écrit :
Okay, I installed iverilog. I got this far with the test directory
compilation, iverilog compiled but the sim fails...
make
iverilog -I. -I../rtl -o tb_lm32_system tb_lm32_system.v lm32_config.v
../rtl/lm32_adder.v ../rtl/lm32_addsub.v ../rtl/lm32_cpu.v
../rtl/lm32_dcache.v ../rtl/lm32_debug.v ../rtl/lm32_decoder.v
../rtl/lm32_dp_ram.v ../rtl/lm32_icache.v
../rtl/lm32_instruction_unit.v ../rtl/lm32_interrupt.v
../rtl/lm32_jtag.v ../rtl/lm32_load_store_unit.v
../rtl/lm32_logic_op.v ../rtl/lm32_mc_arithmetic.v
../rtl/lm32_multiplier.v ../rtl/lm32_ram.v ../rtl/lm32_shifter.v
../rtl/lm32_itlb.v ../rtl/lm32_dtlb.v ../rtl/lm32_top.v
ssheikh@GS66-MSAGPC3 /cygdrive/c/GMSAG/CPU_TESTING/lm32-master/test
$ make sim_%
lm32-elf-gcc -Tlinker.ld -fno-builtin -nostdlib -lgcc -o %.elf
/cygdrive/c/lscc/diamond/2.2_x64/micosystem/gtools/lm32/bin/../lib/gcc/lm32-elf/4.3.0/../../../../lm32-elf/bin/ld:
warning: cannot find entry symbol _start; defaulting to 00000000
lm32-elf-objcopy -O verilog %.elf %.vh
lm32-elf-objcopy: %.vh: Invalid bfd target
Makefile:43: recipe for target '%.vh' failed
make: *** [%.vh] Error 1
rm %.elf
On Fri, Jan 10, 2014 at 9:10 AM, Sébastien Bourdeauducq
<sebastien.bourdeaud...@lekernel.net> wrote:
On 01/10/2014 03:13 PM, Salman Sheikh wrote:
Okay, I got that compiled but I am not able to get the simulation
running on modelsim. I need to change the Makefile (or better yet
understand what vvp equivalent is for Modelsim)....
What exactly do you need Modelsim for? If it's for speed, you may
want
to try Verilator, which is free and very fast - sometimes faster
than
Modelsim. If you do, please share your testbenches/compilation
scripts.
Sébastien
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