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/openbmc/qemu/tcg/
H A Dtcg-op.cdf79b996 Fri Sep 02 14:23:57 CDT 2016 Richard Henderson <rth@twiddle.net> tcg: Add CONFIG_ATOMIC64

Allow qemu to build on 32-bit hosts without 64-bit atomic ops.

Even if we only allow 32-bit hosts to multi-thread emulate 32-bit
guests, we still need some way to handle the 32-bit guest using a
64-bit atomic operation. Do so by dropping back to single-step.

Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
/openbmc/qemu/
H A Dconfiguredf79b996 Fri Sep 02 14:23:57 CDT 2016 Richard Henderson <rth@twiddle.net> tcg: Add CONFIG_ATOMIC64

Allow qemu to build on 32-bit hosts without 64-bit atomic ops.

Even if we only allow 32-bit hosts to multi-thread emulate 32-bit
guests, we still need some way to handle the 32-bit guest using a
64-bit atomic operation. Do so by dropping back to single-step.

Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>