[U-Boot] powerpc/mpc8xxx failed to compile: operand out of range

[Scott Wood]

On 05/23/2013 04:52:26 AM, Jérôme Arzel wrote:
> Hi all,
> 
> I have an issue when I compile U-Boot for my target machine (P1022DS,  
> 36-bit).
> Here is the error message:
> 
> release.S: Assembler messages:
> release.S:154: Error: operand out of range (0xfffff144 is not between  
> 0x00000000 and 0x0000ffff)
> release.S:286: Error: operand out of range (0xfffff144 is not between  
> 0x00000000 and 0x0000ffff)
> release.S:311: Error: operand out of range (0xfffff140 is not between  
> 0x00000000 and 0x0000ffff)
> 
> (release.S is located to arch/powerpc/cpu/mpc85xx/release.S)
> 
> And here is the code for the first error (line 150):
> 
> #define toreset(x) (x - __secondary_start_page + 0xfffff000)
> 
>         /* get our PIR to figure out our table entry */
>         lis     r3,toreset(__spin_table_addr)@h
>         ori     r3,r3,toreset(__spin_table_addr)@l
> 
> I don't really know why it doesn't work, but I think
> that "ori" is inappropried, the immediate value must be a 16-bit  
> value.

The @l means take the low 16 bits of the constant.  Likewise, the @h in  
the lis takes the upper 16 bits.

Could you try to see what that instruction looks like after the  
preprocessor stage (i.e. use -E rather than -c in gcc)?

> I use GCC 4.7.3, compiled in x86_64 for target  
> powerpc-none-linux-gnuspe.
> My U-Boot come from the repository, but older versions fail too.

It builds OK for me with GCC 4.7.2.

-Scott