On 08/22/2017 08:08 AM, Peter Maydell wrote: > Make the FAULTMASK register banked if v8M security extensions are enabled. > > Note that we do not yet implement the functionality of the new > AIRCR.PRIS bit (which allows the effect of the NS copy of FAULTMASK to > be restricted). > > This patch includes the code to determine for v8M which copy > of FAULTMASK should be updated on exception exit; further > changes will be required to the exception exit code in general > to support v8M, so this is just a small piece of that. > > The v8M ARM ARM introduces a notation where individual paragraphs > are labelled with R (for rule) or I (for information) followed > by a random group of subscript letters. In comments where we want > to refer to a particular part of the manual we use this convention, > which should be more stable across document revisions than using > section or page numbers. > > Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> > --- > target/arm/cpu.h | 14 ++++++++++++-- > hw/intc/armv7m_nvic.c | 9 ++++++++- > target/arm/helper.c | 20 ++++++++++++++++---- > target/arm/machine.c | 5 +++-- > 4 files changed, 39 insertions(+), 9 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
