[LinuxBIOS] ROM emulator with FPGA
pawn2be.wild at yahoo.de
Wed Mar 21 17:14:22 CET 2007
is there a "standard" logic-analyzer design for this board like there is
for some similar boards ? --Q
Bari Ari schrieb:
> I can get some boards and make some adapters.
> They include a XC3S500E-4FG320C FPGA with 500K logic gates.
> It seems like we can use the PicoBlaze cpu core:
> The PicoBlaze instruction set can be found here:
> There is a free C compiler found here:
> A simulator and assembler for the picoblaze, with a graphical user
> interface, and an assembler for the picoblaze, with a command line
> KPicoSim is an IDE for the picoblaze microcontroller.KPicoSim is a
> development environment for the Xilinx PicoBlaze-3 soft-core processor
> for the KDE Desktop (Linux).The environment has an editor with syntax
> highlighting (based on the popular katepart), compiler, simulator and an
> export functions to VHDL, HEX and MEM files.
> If it looks better to use a 32 bit cpu core and run uClinux we can use
> the MicroBlaze core. I'll have to see how well it fits into the 500K
> gates of the FPGA.
> uClinux for the MicroBlaze
> FLASH drivers aren't too complicated. Having the board emulate flash is
> mostly done in hardware. Ethernet would require a tcp\ip stack. We have
> a choice between doing everything in C on an 8-bit micro or uClinux on a
> 32-bit cpu.
> I have time do develop the hardware for this, but not much for software.
> I'll post all the schematics, regster info. and VHDL to the LinuxBIOS
> site. Let me know what everyone else thinks and prefers to use for the
> software end.
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