RE: [microblaze-uclinux] mb-gcc internal compiler error

["Vasanth Asokan" <vasanth.asokan@xxxxxxxxxx>]

Hi Claudio,

Thanks for the bug report. I will see to it that this gets tracked down
and fixed.

thanks,
Vasanth
 

> -----Original Message-----
> From: owner-microblaze-uclinux@xxxxxxxxxxxxxx
[mailto:owner-microblaze-
> uclinux@xxxxxxxxxxxxxx] On Behalf Of Claudio Lanconelli
> Sent: Wednesday, January 18, 2006 9:22 AM
> To: mbucLinux mailing list
> Subject: [microblaze-uclinux] mb-gcc internal compiler error
> 
> Hi,
> I got an internal compiler error while using latest version of mb-gcc
> (20051125)
> ---
> mb-gcc (GCC) 3.4.1 ( Xilinx EDK 8.1 Build EDK_I.17 121005 )
> Copyright (C) 2004 Free Software Foundation, Inc.
> 
> 
> Here is the error log:
> ---
> machine.c: In function `mach_early_init':
> machine.c:160: warning: passing arg 1 of `get_romfs_len' from
> incompatible pointer type
> Un-supported call insn
> machine.c: In function `machine_restart':
> machine.c:259: internal compiler error: in final_scan_insn, at
> final.c:2404
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://support.xilinx.com> for instructions.
> make[2]: *** [machine.o] Error 1
> make[1]: *** [_dir_arch/microblaze/platform/uclinux-auto] Error 2
> make: *** [linux] Error 1
> 
> And here is the file I was changing
> machine.c
> 
> 251    void machine_restart (char *__unused)
> 252    {
> 253    //    machine_halt ();
> 254        void (*func_ptr)(void);
> 255
> 256        func_ptr = (void(*)(void))0;
> 257    //    func_ptr = machine_halt;
> 258        (*func_ptr)();
> 259    }
> 
> This is a workaround:
> 
> void machine_restart (char *__unused)
> {
>     void (*func_ptr)(void);
>     unsigned int *p = (unsigned int *)0;
> 
>     func_ptr = (void(*)(void))p;
> 
>     (*func_ptr)();
> }
> 
> I was changing machine_restart to be able to make a reboot.
> It seems that mb-gcc doesn't like a constant assigned to a function
> pointer.
> The same code works fine on the bootloader compiled with mb-gcc of
> Xilinx EDK 7.1.2
> 
> Regards,
> Claudio Lanconelli
> ___________________________
> microblaze-uclinux mailing list
> microblaze-uclinux@xxxxxxxxxxxxxx
> Project Home Page :
http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux
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> uclinux/
> 



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