Re: [microblaze-uclinux] U-BOOT compile problem

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Michal,

Monstr@xxxxxxxxx wrote:

> I look at your new function flush cache and you have problem in your code. 
>
> In lib_microblaze/cache.c - flush_cache function.
> If you don't use caches, your code looks like this.
>
>                 asm volatile ( 
>  	                                :
>  	                                : "r" (addr+i)
>  	                                : "memory");
>  	        return;
>
> And gcc declares a fault.

Thanks for pointing this out.  Does the attached patch work OK for you 
(apply at -p0 in u-boot/lib_microblaze)?

Regards,

John

Index: cache.c
===================================================================
--- cache.c	(revision 2718)
+++ cache.c	(working copy)
@@ -37,9 +37,13 @@
 		asm volatile (	
 #if CONFIG_XILINX_MICROBLAZE0_USE_ICACHE
 				"wic	%0, r0"
+#else
+				"nop"
 #endif
 #if CONFIG_XILINX_MICROBLAZE0_USE_DCACHE
 				"wdc	%0, r0"
+#else
+				"nop"
 #endif
 				:
 				: "r" (addr+i)