UMDK and windows?

[Nicolas Hamel]

Hello,

I've finally put my hand on an UMDK (thanks Matt!) and the situation about windows is not super clear to me.

Is it possible to use the UMDK on windows or for now it's only linux? I've installed the makestuff cross compiler setup , was able to follow the step in the readme but after that, not sure what to  do.

Thanks!

Nic

[Chris McClelland]

> was able to follow the step in the readme
>

Which readme are you referring to?

Currently, whilst it's possible to use UMDK on Windows, it only supports a basic command-line GDB (DDD, the frontend suggested in the Wiki, is not available for Windows), although a couple of years ago I did get GDB working in slightly-friendlier mode within an Emacs host[1]. Apparently Visual Studio has support for remote-debugging with GDB now, so that would be a good solution.

TBH whilst several people have expressed an interest in using UMDK on Windows, I think it really needs someone who is prepared to own the Windows build, and support Windows users, and bring it up to the same level of support that Linux enjoys. Unfortunately nobody has volunteered for this. I can't realistically do it because I lack the military-grade patience required by people who develop on Windows. If you're prepared to be that person then of course I can help get you up and running.

Chris

[1]http://gendev.spritesmind.net/forum/viewtopic.php?f=20&t=1984

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[csmith]

On 07/07/17 20:37, Chris McClelland wrote:

> was able to follow the step in the readme
>

Which readme are you referring to?

Currently, whilst it's possible to use UMDK on Windows, it only supports a basic command-line GDB (DDD, the frontend suggested in the Wiki, is not available for Windows), although a couple of years ago I did get GDB working in slightly-friendlier mode within an Emacs host[1]. Apparently Visual Studio has support for remote-debugging with GDB now, so that would be a good solution.

This is true : I am no expert on using VS but I had a need to use it for a project and it does have GDB support.  Also, one other option may be to see what Eclipse can do on Windows as I feel that may be a good option with Eclipse often including GNU tools under Windows.

TBH whilst several people have expressed an interest in using UMDK on Windows, I think it really needs someone who is prepared to own the Windows build, and support Windows users, and bring it up to the same level of support that Linux enjoys. Unfortunately nobody has volunteered for this. I can't realistically do it because I lack the military-grade patience required by people who develop on Windows. If you're prepared to be that person then of course I can help get you up and running.

DrM expressed some interest in the Windows build but we shall have to see if can commit to it.  But the more people that use UMDK the better the chances.

Chris

[1]http://gendev.spritesmind.net/forum/viewtopic.php?f=20&t=1984

On 7 July 2017 at 11:54, Nicolas Hamel <gouk...@gmail.com> wrote:

Hello,

I've finally put my hand on an UMDK (thanks Matt!) and the situation about windows is not super clear to me.

Is it possible to use the UMDK on windows or for now it's only linux? I've installed the makestuff cross compiler setup , was able to follow the step in the readme but after that, not sure what to  do.

Thanks!

Nic

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[Nicolas Hamel]

I was referring to the one in the makestuff-windows-20140401.zip archive. Tried to run gdbbridge but w/o success so far,

Thanks for the link Chris! I don't really care about the frontend actually as I'm working on something so I would like to add the UMDK support in it. 

Cheers

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[Chris McClelland]

OK, try this sequence:

Get the build infra from here: http://tiny.cc/msbiw (it's a ~4MiB download).

If you get a "Join DropBox" pop-up, click "No thanks, continue to view" at the bottom.

Click "Download -> Direct Download"

Open zip-file

Copy "makestuff" to C:\

Run "C:\makestuff\setup.exe"

Select your C/C++ compiler (I just tried with Visual Studio 2015). You can choose between an x86 (i.e 32-bit) compiler and an x64 (i.e 64-bit) compiler.

Click "Create Shortcut". This will create a console icon on your desktop. Double-click it, and start entering the following commands:

cd $HOME

rm -rf libs/* apps/* common

cd apps

../scripts/msget.sh makestuff/flcli/dev

../scripts/msget.sh makestuff/gordon

cd flcli

make deps

cd ../gordon/usb

make deps

cd ../../..

scripts/msget.sh makestuff/hdlmake

cd hdlmake/apps

mkdir makestuff

cd makestuff/

../../../scripts/msget.sh makestuff/umdkv2

cd umdkv2/logread

make

cd ../hackdump

make

cd ../loader

make

cd ../gdb-bridge

make rel

Let me know you've done all of this without error. It should take only ten minutes or so, assuming you have a reasonably modern PC.

Chris

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[Nicolas Hamel]

Ok, done and everything went well but now when I connect the UMDK to the PC, windows cannot find the driver for it, device says FPGALink/FX2 20140311

[Chris McClelland]

Great, so in the console, type "zadig.sh". That will download the driver-generator and bring up a GUI that will allow you to select the FPGALink device and install a new WinUSB driver for it.

You should now be able to load a game over USB:

msvc.x64/rel/gdb-bridge -w sonic1.bin:0 -r

...and then get it to listen for GDB connections:

msvc.x64/rel/gdb-bridge-l 8000

Finally, you need GDB itself. Unless you particularly want to build it yourself, I suggest you just use the binary I built. In a different console window, do:

wget --no-check-certificate -qO /bin/gdb.exe  http://tiny.cc/umdk-gdb
wget --no-check-certificate -qO gdb.sh https://raw.githubusercontent.com/makestuff/umdkv2/3b51a4a/scripts/gdb.sh

The gdb.sh is a script that behaves a bit like the docs say ddd.sh behaves. So you should be able to connect to the listening gdb-bridge process like this, for example:

gdb.sh 8000

...which will hit the breakpoint and allow you to debug the running code. For example:

(gdb) x/8i $pc
=> 0xb10:    movem.l d0-fp, -(sp)
   0xb14:    tst.b 0xfffff62a
   0xb18:    beq.s 0xb88
   0xb1a:    move.w 0xc00004, d0
   0xb20:    move.l #1073741840, 0xc00004
   0xb2a:    move.l 0xfffff616, 0xc00000
   0xb32:    btst #6, 0xfffffff8
   0xb38:    beq.s 0xb42
(gdb)

Any problems, let me know.

Chris

On 8 July 2017 at 17:04, Nicolas Hamel <gouk...@gmail.com> wrote:

Ok, done and everything went well but now when I connect the UMDK to the PC, windows cannot find the driver for it, device says FPGALink/FX2 20140311

[Chris McClelland]

Ooops, missed a space; that should be: msvc.x64/rel/gdb-bridge -l 8000

[Nicolas Hamel]

ok so everything went well, I can use the loader now (\o/) however i'm trying to break with gdb but i'm having troubles.

"x/8i $pc" on sonic doesn't seems to work, that give me "no registers".

I tried with a custom rom, set a break point but it never hit it, which is weird because the adress is valid for sure.

Any idea?

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[Chris McClelland]

That looks like the connection to the gdb-bridge was not established correctly. Did you see any errors in either console window? Is the gdb-bridge running OK? Did you use the same port number in both windows?

Also, there should be a log-file in /tmp/gdb.log

Chris

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[Nicolas Hamel]

hmm, everything seems fine.

Log from the first console:

Anarchy@Anarchy-PC$ ./gdb-bridge.exe -w sonic1.gen:0 -r

UMDKv2 Bridge Tool Copyright (C) 2014 Chris McClelland

Got 0x080000 bytes to load at 0x000000

Anarchy@Anarchy-PC$ ./gdb-bridge.exe -l 8000

UMDKv2 Bridge Tool Copyright (C) 2014 Chris McClelland

Waiting for GDB connection on :8000...

Got GDB connection from 127.0.0.1:43993

Log from the second:

Anarchy@Anarchy-PC$ ./gdb.sh 8000

GNU gdb (GDB) 7.7

Copyright (C) 2014 Free Software Foundation, Inc.

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software: you are free to change and redistribute it.

There is NO WARRANTY, to the extent permitted by law.  Type "show copying"

and "show warranty" for details.

This GDB was configured as "--host=i686-pc-mingw32 --target=m68k-elf".

Type "show configuration" for configuration details.

For bug reporting instructions, please see:

<http://www.gnu.org/software/gdb/bugs/>.

Find the GDB manual and other documentation resources online at:

<http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".

Type "apropos word" to search for commands related to "word".

C:/Users/Anarchy/AppData/Local/Temp/gdb.cmd:3: Error in sourced command file:

/tmp/gdb.log: No such file or directory.

(gdb) x/8i $pc

No registers.

(gdb)

[Chris McClelland]

> hmm, everything seems fine.

> :

> C:/Users/Anarchy/AppData/Local/Temp/gdb.cmd:3: Error in sourced command file:

> /tmp/gdb.log: No such file or directory.

>

Be sure to actually read the messages you get on-screen. Some of them are important. In this case it's saying it cannot write to /tmp/gdb.log.

Try editing the gdb.sh script to say "set remotelogfile gdb.log" rather than "set remotelogfile /tmp/gdb.log". I'll fix it in the GitHub repo too. Make sure you use an editor that is smart enough to recognise Unix line-endings. Notepad, for example, will screw it up.

Chris

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[Nicolas Hamel]

ah ok my bad, edited and working fine now!

thanks for the help!