Re: [Xenomai-help] Problem to cross-compile Xenomai user-space support

[Patrice Kadionik <kadionik@domain.hid>]

Le 30/03/2010 19:37, Huan Fang a écrit :
> Hi Patrice,
>
> I probably know why it fails the first time.
>
> before modification, my nios2.h has
>
> /* system timer input clock frequency */
> #define nasys_clock_freq                                       100000000
> #define nasys_clock_freq_1000                                     100000
>
> /* Redefining hrtimer ->  timer0 */
> #undef na_hrtimer
> #undef na_hrtimer_irq
>
> #define na_timer0                                  ((void *) 0x09609080)
> #define na_timer0_irq                                                  1
>
>
> The script  altera_avalon_timer.pm will redefine the first timer (by the order of address?) to timer_0.
> In your case, sys_clk_timer is your first timer, that's why it's correctly redefined to timer_0 used in time.c
>    
OK. You have the same thing with MicroBlaze and .DTS file with dtb 
parsing during kernel booting! Thank you for this info.
> This is tricky, either we should improve the script or manually check(hack) the timer settings.
>
> By the way, I haven't successfully compiled user space xenomai stuff, I will let you know when it's done.
>    
OK, read the other messages of this thread. Gilles proposes 2 patchs for 
Xenomai 2.5.2 for correcting error compilation (sem_heap.c, vdso-check.c 
and cond-torture.c)

Cheers;

Patrice

> Best Regards,
> Huan
> ________________________________________
> From: Patrice Kadionik [kadionik@domain.hid]
> Sent: 30 March 2010 10:37
> To: Huan Fang
> Cc: xenomai@xenomai.org
> Subject: Re: [Xenomai-help] Problem to cross-compile Xenomai user-space support
>
> Le 30/03/2010 00:20, Huan Fang a écrit :
>    
>> Hi Patrice,
>>
>>      
> Hi Huan,
>
> Have you really used  uClinux with NIOS2 without MMU in your Quartus II
> design? Have you synchronized the µClinux kernel file version with the
> NIOS2 ipipe version?
>
>    
>> Many thanks for the tutorial, Now I am able to run xenomai patched uclinux on my DE2-70 board.
>> But the kernel doesn't boot unless I modified one file :linux-2.6/arch/nios2/kernel/time.c
>>
>> na_timer0 ->   na_sys_clock_timer which I guess is the clock timer used by Linux. Did you manually patch this file?
>> The adeos patch doesn't seem to change this part.
>>
>>      
> Not at all.
>
> If you have done this:
> $ make vendor_hwselect SYSPTF=my_design.ptf
> it generates a nios2.h under uClinux-dist/linux-2.6.x/include/asm-nios2
> in which you have na_sys_clk_timer redefined as na_timer0.
> For example, in my nios2.h generated file, I have:
> /* Executing ...scripts/nios2.h/altera_avalon_timer.pm */
>
> /* system timer input clock frequency */
> #define nasys_clock_freq                                        50000000
> #define nasys_clock_freq_1000                                      50000
>
> /* Redefining sys_clk_timer ->  timer0 */
> #undef na_sys_clk_timer
> #undef na_sys_clk_timer_irq
>
> #define na_timer0                                  ((void *) 0x00810800)
>
> Please send me in a private email your nios2.h file.
>
> Patrice
>
>
>
>    


-- 
Patrice Kadionik. F6KQH / F4CUQ
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