Message ID | 20170620000405.3391-3-rth@twiddle.net |
---|---|
State | New |
Headers | show |
On 2017-06-19 17:03, Richard Henderson wrote: > From: David Hildenbrand <david@redhat.com> > > Such shifts are usually used to easily extract the PSW KEY from the PSW > mask, so let's avoid the confusing offset of 4. > > Reviewed-by: Thomas Huth <thuth@redhat.com> > Signed-off-by: David Hildenbrand <david@redhat.com> > Message-Id: <20170614133819.18480-2-david@redhat.com> > Signed-off-by: Richard Henderson <rth@twiddle.net> > --- > target/s390x/cpu.h | 2 +- > target/s390x/translate.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index a4028fb..532a4a0 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -315,7 +315,7 @@ void s390x_cpu_debug_excp_handler(CPUState *cs); #define PSW_MASK_IO 0x0200000000000000ULL #define PSW_MASK_EXT 0x0100000000000000ULL #define PSW_MASK_KEY 0x00F0000000000000ULL -#define PSW_SHIFT_KEY 56 +#define PSW_SHIFT_KEY 52 #define PSW_MASK_MCHECK 0x0004000000000000ULL #define PSW_MASK_WAIT 0x0002000000000000ULL #define PSW_MASK_PSTATE 0x0001000000000000ULL diff --git a/target/s390x/translate.c b/target/s390x/translate.c index af18ffb..204b52a 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -3751,7 +3751,7 @@ static ExitStatus op_spka(DisasContext *s, DisasOps *o) { check_privileged(s); tcg_gen_shri_i64(o->in2, o->in2, 4); - tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, PSW_SHIFT_KEY - 4, 4); + tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, PSW_SHIFT_KEY, 4); return NO_EXIT; }