On Fri, Aug 9, 2019 at 6:33 PM Arnd Bergmann <arnd@xxxxxxxx> wrote: > Building a combined ARMv4+XScale kernel produces these > and other build failures: > > /tmp/copypage-xscale-3aa821.s: Assembler messages: > /tmp/copypage-xscale-3aa821.s:167: Error: selected processor does not support `pld [r7,#0]' in ARM mode > /tmp/copypage-xscale-3aa821.s:168: Error: selected processor does not support `pld [r7,#32]' in ARM mode > /tmp/copypage-xscale-3aa821.s:169: Error: selected processor does not support `pld [r1,#0]' in ARM mode > /tmp/copypage-xscale-3aa821.s:170: Error: selected processor does not support `pld [r1,#32]' in ARM mode > /tmp/copypage-xscale-3aa821.s:171: Error: selected processor does not support `pld [r7,#64]' in ARM mode > /tmp/copypage-xscale-3aa821.s:176: Error: selected processor does not support `ldrd r4,r5,[r7],#8' in ARM mode > /tmp/copypage-xscale-3aa821.s:180: Error: selected processor does not support `strd r4,r5,[r1],#8' in ARM mode OK we certainly need this. > Add an explict .arch armv5 in the inline assembly to allow the ARMv5 > specific instructions regardless of the compiler -march= target. You probably mean... > +.arch xscale \n\ > pld [%0, #0] \n\ Explicit .arch xscale rather than .arch armv5. Yours, Linus Walleij
