Messages in this thread | | | Date | Wed, 8 Aug 2012 09:18:50 -0400 | From | Cyril Chemparathy <> | Subject | Re: [PATCH 01/22] ARM: add mechanism for late code patching |
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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.
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