Hello Albert,
On 11-09-14 17:43, Albert ARIBAUD wrote:
Hi Jeroen,
Correction on the asm stuff:
On Thu, 11 Sep 2014 13:17:20 +0200, Jeroen Hofstee
<jer...@myspectrum.nl> wrote:
clang errors on arch/arm/lib/cache.c:28 for this:
asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory");
and that is a clang mistake, as for ARM926EJS r15 is a valid (albeit
quite special semantically) Rd for Test and Clean DCache, see page 2-24.
This is the integrated-as complaining (the README tells you to disable
it for the moment). The clang folks push UAL hard, up to a point we need
to think about minimum gcc version etc. To avoid that, I just left out
such changes and just use gas instead, at least for the time being.
Below are some changes to compile versatileqemu with llvm integrated-as
and gcc/gas. No idea if it actually boots though.
Actually, I had the -no-integrated-as then and have just re-tested now,
making sure I have it and get the error above. For some reason, despite
the -no-integrated-as option, the internal assembler is invoked.
You don't happen to be testing with the clang 3.5 minus a half /
non release (svn 201651) right? As I mentioned before, it will do
you more harm then good. I cannot reproduce this with an 3.4 nor
3.5 release.
Regards,
Jeroen
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