target/arm64: properly handle DBGVR RESS bits
commit864df2058d01d65244e5f91cdf0c4784df242ca2
authorAlex Bennée <alex.bennee@linaro.org>
Tue, 13 Nov 2018 10:47:59 +0000 (13 10:47 +0000)
committerPeter Maydell <peter.maydell@linaro.org>
Tue, 13 Nov 2018 10:47:59 +0000 (13 10:47 +0000)
tree90dede69757850585cd5f88cdeb24122eaba75de
parent09a86dfa3f07904792a85990b0b41939417785cd
target/arm64: properly handle DBGVR RESS bits

This only fails with some (broken) versions of gdb but we should
treat the top bits of DBGBVR as RESS. Properly sign extend QEMU's
reference copy of dbgbvr and also update the register descriptions in
the comment.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181109152119.9242-2-alex.bennee@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
target/arm/kvm64.c