diff options
| author | David Hildenbrand <david@redhat.com> | 2017-06-14 15:38:18 +0200 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-06-23 08:40:40 -0700 |
| commit | c8bd95377babc3bd60f86cb3e5b24e74097cf6a9 (patch) | |
| tree | 451d7858d802a29dd18da69c56785aa6388de06e /target | |
| parent | d20bd43c4ce2dcdf7d6fa24eb8a29bcef29fb652 (diff) | |
| download | qemu-c8bd95377babc3bd60f86cb3e5b24e74097cf6a9.tar.gz | |
target/s390x: change PSW_SHIFT_KEY
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: Aurelien Jarno <aurelien@aurel32.net>
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>
Diffstat (limited to 'target')
| -rw-r--r-- | target/s390x/cpu.h | 2 | ||||
| -rw-r--r-- | target/s390x/translate.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index a4028fb315..532a4a075c 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 5a00279016..6ebfb97424 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -3753,7 +3753,7 @@ 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; } |