[U-Boot] [PATCH 1/2] improve printf behavior on arm/pxa after enabling 64bit support in printf by default.

[Marek Vasut]

Dne Pá 9. dubna 2010 23:40:11 Wolfgang Denk napsal(a):
> Dear Mikhail Kshevetskiy,
> 
> In message <20100329162346.017a43dc at laska.campus-ws.pu.ru> you wrote:
> > commit 4b142febff71eabdb7ddbb125c7b583b24ddc434 (common: delete
> > CONFIG_SYS_64BIT_VSPRINTF and CONFIG_SYS_64BIT_STRTOUL) breaks printf on
> > my arm/pxa270 board. For example, the code
> > 
> > 	int a = 128;
> > 	printf("a= %d\n", a);
> > 
> > will print zero on the console. The problem reproduced on gcc 4.1.1,
> > 4.3.3, 4.4.1 and 4.4.2.
> > 
> > This patch fix printf unless you'll need printing 64-bit values.
> 
> I doubt that your patch addresses the real cause of the problem.
> Did you check if the stack alignment problem discussed here earlier
> has been fixed for your architecture?
> 
> Best regards,
> 
> Wolfgang Denk

Yes, this is a NAK, sorry. The real problem is addressed by "[PATCH] PXA: Align 
stack to 8 bytes". LDRD and STRD need the memory address aligned to 8 bytes.

Besides my patch also fixes the NAND driver, which didn't work as well and 
possibly various other issues.