Re: [Qemu-devel] [PATCH] target/ppc: Fix msync to do what hardware does

2019-02-07 Thread David Gibson
On Sat, Jan 26, 2019 at 03:50:28PM +0100, BALATON Zoltan wrote: > According to BookE docs, invalid bits (while undefined behaviour) should > not raise exception but be ignored. This seems to be implementation > dependent though and QEMU currently does what e500 CPUs do and raise > exception for inv

[Qemu-devel] [PATCH] target/ppc: Fix msync to do what hardware does

2019-01-26 Thread BALATON Zoltan
According to BookE docs, invalid bits (while undefined behaviour) should not raise exception but be ignored. This seems to be implementation dependent though and QEMU currently does what e500 CPUs do and raise exception for invalid bits. Unfortunately some versions of libstdc++ (and so all programs