Re: [microblaze-uclinux] ucLinux with Microblaze 4.0

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Antti and others

David Banas wrote:

> I also found that I could NOT use v4.0 in my design (Nu Horizons
> Spartan3/2000 board). I also am still using v3.0.

I took the standard ml401_uclinux_66mhz project, changed microblaze's 
HW_VER to 4.0, rebuilt, and it seems to work OK.  The design marginally 
fails timing, but it seems that lots of V4 microblaze designs do...

Anyway here's the proof:

# cat /proc/cpuinfo
FPGA-Arch:      virtex4 

CPU-Ver:        4.00.a 

CPU-MHz:   66.666667 

BogoMips:       32.87 

HW-Div:         yes 

HW-Shift:       yes 

Icache:        16kB 

Dcache:       16kB 

HW-Debug:       yes

Note I'm still building the kernel with the custom toolchain (based on 
EDK6.3) - am still trying to resolve some issues I'm seeing with the 
mb-gcc in 7.1

Regards,

John

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