Custom Query (93 matches)

Hi, I am trying to write a multi-processor platform with private program memories, and I was trying to figure out if this was possible with SOCLIB. I made a try with 2 Mips in a first phase, with two associated mapping tables. The difference between both mappings is the MEMORY address, 0x10000000 for Mips0 and 0x20000000 for Mips1. I created two loaders taking different binaries, the reset section of the first jumps to 0x10xxxx and the second jumps to 0x20xxx.

Loader loader0("MJPEG0.x");

VciRam<vci_param> vcimultiram0("vcimultiram0", IntTab(0,0), maptab, loader0);

Loader loader1("MJPEG1.x");

VciRam<vci_param> vcimultiram1("vcimultiram1", IntTab(1,0), maptab1, loader1);

MJPEG0.x:

211735 bfc00020: 3c1b1001 lui k1,0x1001

211736 bfc00024: 277bf360 addiu k1,k1,-3232

MJPEG1.x:

202290 bfc00020: 3c1b2001 lui k1,0x2001

202291 bfc00024: 277bb820 addiu k1,k1,-18400

However, when I execute the simulation, I see that cache1 seems to execute the reset section of MJPEG0.x.

cache0 PC: 0xbfc00020 NPC: 0xbfc00024 Ins: 0x3c1b1001

cache0 PC: 0xbfc00024 NPC: 0xbfc00028 Ins: 0x277bf360

cache1 PC: 0xbfc00020 NPC: 0xbfc00024 Ins: 0x3c1b1001

cache1 PC: 0xbfc00024 NPC: 0xbfc00028 Ins: 0x277bf360

Did I do something wrong?

Thank you Alexandre

When I run Nios-based platforms, the simulation fails. It appears that the loading of the elf binary file does not work correctly.

Here is the backtrace provided by gdb :

#2  std::_Rb_tree<std::string const, std::pair<std::string const, elfpp::symbol*>, std::_Select1st<std::pair<std::string const, elfpp::symbol*> >, std::less<std::string const>, std::allocator<std::pair<std::string const, elfpp::symbol*> > >::insert_equal (this=0x208810, __v=@0xbfff7b04) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#3  0x000447fc in std::string::size () at basic_string.h:86
#4  0x000447fc in std::string::size () at basic_string.h:86
#5  0x000447fc in std::string::size () at basic_string.h:86
#6  0x000447fc in std::string::size () at basic_string.h:86
#7  0x000447fc in elfpp::section::add_symbol (this=0x2087c0, sym=@0x2094b0) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#8  0x0000e304 in std::string::size () at basic_string.h:76
#9  0x0000e304 in elfpp::elfn_access<elfpp::elf32_bits_s, 32>::load_symtab (this=0x1468c8, obj=@0x2075f0) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#10 0x00048129 in elfpp::object::parse_symbol_table (this=0x2075f0) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#11 0x000613ce in std::string::size () at basic_string.h:50
#12 0x000613ce in soclib::common::(anonymous namespace)::elf_load (filename=@0xbfffef7c, loader=@0xbfffeebc) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#13 0x0004b2a9 in soclib::common::Loader::load_file (this=0xbfffeebc, desc_str=@0xbfffef7c) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#14 0x0004bd9c in std::string::size () at basic_string.h:46
#15 0x0004bd9c in soclib::common::Loader::Loader (this=0xbfffeebc, f=@0xbfffef7c, f2=@0xbfffef78, f3=@0xbfffef74, f4=@0xbfffef70, f5=@0xbfffef6c, f6=@0xbfffef68) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#16 0x00052cd6 in std::string::size () at basic_string.h:140
#17 0x00052cd6 in _main (argc=2, argv=0xbffff0a4) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#18 0x00055477 in sc_main (argc=2, argv=0xbffff0a4) at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#19 0x00069be4 in sc_elab_and_sim () at /Users/charot/soft/soclib/soclib/lib/elf_file_loader/libelfpp/src/elfpp_section.cc:1916
#20 0x000022e6 in start ()

A platform including the loaded binary is attached.

François

Hello, I have used systemcass to compile the plateform caba-vgmn-multi_timer-mips32. I can use trace, help, etc but i have some trouble with scheduling option. In fact when i use --edit no editor open and the simulation run completely. I have vim and $EDITOR correctly set. did someone else have encouter the same problem.