Re: [PATCH v5 2/4] target/arm: Support AA32 DIT by moving PSTATE_SS from cpsr into env->pstate

[Richard Henderson]

On 2/7/21 10:56 PM, Rebecca Cran wrote:
> cpsr has been treated as being the same as spsr, but it isn't.
> Since PSTATE_SS isn't in cpsr, remove it and move it into env->pstate.
> 
> This allows us to add support for CPSR_DIT, adding helper functions
> to merge SPSR_ELx to and from CPSR.
> 
> Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
> ---
>  target/arm/helper-a64.c | 27 +++++++++++++++++---
>  target/arm/helper.c     | 24 ++++++++++++-----
>  target/arm/op_helper.c  |  9 +------
>  3 files changed, 42 insertions(+), 18 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~