From mboxrd@z Thu Jan 1 00:00:00 1970 From: cyril@ti.com (Cyril Chemparathy) Date: Wed, 8 Aug 2012 09:18:50 -0400 Subject: [PATCH 01/22] ARM: add mechanism for late code patching In-Reply-To: References: <1343775898-28345-1-git-send-email-cyril@ti.com> <1343775898-28345-2-git-send-email-cyril@ti.com> <50219C45.7030601@ti.com> Message-ID: <5022673A.7060407@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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.