On 9/16/19 9:57 AM, David Hildenbrand wrote: > Process max 4k bytes at a time, writing back registers between the > accesses. The instruction is interruptible. > "For operands longer than 2K bytes, access exceptions are not > recognized for locations more than 2K bytes beyond the current location > being processed." > Note that on z/Architecture, 2k vs. 4k access cannot get differentiated as > long as pages are not crossed. This seems to be a leftover from ESA/390. > Simply stay within single pages. > > MVCL handling is quite different than MVCLE/MVCLU handling, so split up > the handlers. > > Defer interrupt handling, as that will require more thought, add a TODO > for that. > > Signed-off-by: David Hildenbrand <da...@redhat.com> > --- > target/s390x/mem_helper.c | 44 +++++++++++++++++++++++++++++++++------ > 1 file changed, 38 insertions(+), 6 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
