Re: lm32 simulator configuration file question

Mike Frysinger <[email protected]> Fri, 3 Apr 2015 19:21:13 -0400

Newsgroups	gmane.comp.gdb.devel
Message-ID	<20150403232113.GO22171@vapier>

On 03 Apr 2015 15:21, Joel Sherrill wrote:
> On 4/2/2015 8:41 PM, Mike Frysinger wrote:
> > On 02 Apr 2015 17:19, Joel Sherrill wrote:
> >> RTEMS has a BSP for the lm32 which runs on the simulator in gdb.
> >> Based on our wrapper scripts and READMEs, this is how the simulator
> >> is invoked in gdb:
> >>
> >> tar sim --hw-device lm32cpu \
> >>   --hw-device "lm32uart/reg 0x80006000 0x100" \
> >>   --hw-device "/lm32uart > int int0 /lm32cpu" \
> >>   --hw-device "lm32timer/reg 0x80002000 0x80" \
> >>   --hw-device "/lm32timer > int int1 /lm32cpu" \
> >>   --memory-region 0x08000000,0x4000000
> > you can pass --hw-file to target sim too
> Thank you. I updated the file to this:
> 
> =======================
> /lm32cpu
> /lm32uart@0x80006000/reg 0x80006000 0x100
> /lm32uart > int int0 /lm32cpu
> /lm32timer@0x80002000/reg 0x80002000 0x80
> /lm32timer > int int1 /lm32cpu
> =======================
> 
> And that works with gdb using the tar sim command below.
> 
> tar sim --hw-file lm32_evr.conf --memory-region  0x08000000,0x4000000
> 
> But nothing comes out from the same executable using run
> 
> lm32-rtems4.11-run --hw-file lm32_evr.conf --memory-region 
> 0x08000000,0x4000000 .hello.exe
> 
> Does that make any sense to you?

honestly, i know nothing about the lm32 arch.  it has no testsuite, and i have 
no idea how to make example programs.  so i can't really explain why it might 
not be working.  with Blackfin, i use a leading slash on everything and it 
works for me.

could i convince you to write a simple hello world program ?  first one that'd 
run in the virtual environment, and the one that'd setup & write to the serial 
port ?  that way we could check the .s files into the testsuite dir, and i could 
try poking around the models.

if the latest version isn't working, you could try grabbing previous releases of 
gdb and building the sim for that.
-mike

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