lkml.org 
[lkml]   [2012]   [Aug]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 01/22] ARM: add mechanism for late code patching
On 08/08/12 01:56, Nicolas Pitre wrote:
> On Tue, 7 Aug 2012, Cyril Chemparathy wrote:
[...]
>> u32 arm_check[] = {
>> 0xe2810041, 0xe2810082, 0xe2810f41, 0xe2810f82, 0xe2810e41,
>> 0xe2810e82, 0xe2810d41, 0xe2810d82, 0xe2810c41, 0xe2810c82,
>> 0xe2810b41, 0xe2810b82, 0xe2810a41, 0xe2810a82, 0xe2810941,
>> 0xe2810982, 0xe2810841, 0xe2810882, 0xe2810741, 0xe2810782,
>> 0xe2810641, 0xe2810682, 0xe2810541, 0xe2810582, 0xe2810441,
>> };
>
> Instead of using this array you could let the assembler do it for you
> like this:
>
> asm (" \n\
> .arm \n\
> arm_check: \n\
> .set shft, 0 \n\
> .rep 12 \n\
> add r1, r2, #0x81 << \shft \n\
> .set shft, \shft + 2 \n\
> .endr \n\
> ");
>

Neat macro magic. Are you thinking that we build this in as a self test
in the code?

Thanks
-- Cyril.


\
 
 \ /
  Last update: 2012-08-08 19:43    [W:0.134 / U:0.928 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site