[Libre-soc-bugs] [Bug 758] pypowersim and how to run bare metal programs/functions is needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=758

--- Comment #2 from Andrey Miroshnikov <andrey at technepisteme.xyz> ---
(In reply to Luke Kenneth Casson Leighton from comment #1)
> andrey do you want this one?  there's these:

Sure, just need to understand what it does and what it's for.

> 
> https://git.libre-soc.org/?p=openpower-isa.git;a=tree;f=src/test/
> basic_pypowersim;hb=HEAD

This is what I get when I run make:
Traceback (most recent call last):
  File "/usr/local/bin/pypowersim", line 11, in <module>
    load_entry_point('libresoc-openpower-isa', 'console_scripts',
'pypowersim')()
  File "/home/rohdo/src/openpower-isa/src/openpower/decoder/isa/pypowersim.py",
line 332, in run_simulation
    mem = read_data(fname, offs)
  File "/home/rohdo/src/openpower-isa/src/openpower/decoder/isa/pypowersim.py",
line 28, in read_data
    res[offset] = struct.unpack('<Q', b)[0] # unsigned long
struct.error: unpack requires a buffer of 8 bytes
make: *** [Makefile:11: sim] Error 1

> https://git.libre-soc.org/?p=openpower-isa.git;a=tree;f=src/test/
> basic_pypowersim_fp;hb=HEAD

Traceback (most recent call last):
  File "/usr/local/bin/pypowersim", line 11, in <module>
    load_entry_point('libresoc-openpower-isa', 'console_scripts',
'pypowersim')()
  File "/home/rohdo/src/openpower-isa/src/openpower/decoder/isa/pypowersim.py",
line 366, in run_simulation
    initial_pc=initial_pc)
  File "/home/rohdo/src/openpower-isa/src/openpower/decoder/isa/pypowersim.py",
line 149, in run_tst
    initial_regs=initial_regs, initial_fprs=initial_fprs)
  File "/home/rohdo/src/openpower-isa/src/openpower/simulator/qemu.py", line
261, in run_program
    q = QemuController(program.binfile, bigendian)
  File "/home/rohdo/src/openpower-isa/src/openpower/simulator/qemu.py", line
50, in __init__
    self.gdb = GdbController(gdb_path='powerpc64-linux-gnu-gdb')
TypeError: __init__() got an unexpected keyword argument 'gdb_path'
make: *** [Makefile:10: sim] Error 1

> https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=media/audio/mp3/
> mp3_0.sh;hb=HEAD

Traceback (most recent call last):
  File "/usr/local/bin/pypowersim", line 11, in <module>
    load_entry_point('libresoc-openpower-isa', 'console_scripts',
'pypowersim')()
  File "/home/rohdo/src/openpower-isa/src/openpower/decoder/isa/pypowersim.py",
line 319, in run_simulation
    initial_regs = read_entries(arg, 128)
  File "/home/rohdo/src/openpower-isa/src/openpower/decoder/isa/pypowersim.py",
line 67, in read_entries
    with open(fname) as f:
FileNotFoundError: [Errno 2] No such file or directory: 'audio/mp3/mp3_0.gpr'

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