diff options
| author | Richard Henderson <rth@twiddle.net> | 2017-05-19 11:46:25 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-06-06 14:34:31 -0700 |
| commit | d46cd62ff80708364b87d010a55655a48ca9f0bb (patch) | |
| tree | 394e8c18f53510d75dcfcd26e7d2783ef9b0769b /target | |
| parent | 981a8ea0c549df539962bf8c6253f73dde3cf1cc (diff) | |
target/s390x: Use unwind data for helper_tre
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target')
| -rw-r--r-- | target/s390x/mem_helper.c | 15 | ||||
| -rw-r--r-- | target/s390x/translate.c | 1 |
2 files changed, 8 insertions, 8 deletions
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index b37a963bc5..fd6dbf7702 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -744,9 +744,11 @@ void HELPER(tr)(CPUS390XState *env, uint32_t len, uint64_t array, uint64_t HELPER(tre)(CPUS390XState *env, uint64_t array, uint64_t len, uint64_t trans) { + uintptr_t ra = GETPC(); uint8_t end = env->regs[0] & 0xff; uint64_t l = len; uint64_t i; + uint32_t cc = 0; if (!(env->psw.mask & PSW_MASK_64)) { array &= 0x7fffffff; @@ -757,25 +759,24 @@ uint64_t HELPER(tre)(CPUS390XState *env, uint64_t array, amount of work we're willing to do. For now, let's cap at 8k. */ if (l > 0x2000) { l = 0x2000; - env->cc_op = 3; - } else { - env->cc_op = 0; + cc = 3; } for (i = 0; i < l; i++) { uint8_t byte, new_byte; - byte = cpu_ldub_data(env, array + i); + byte = cpu_ldub_data_ra(env, array + i, ra); if (byte == end) { - env->cc_op = 1; + cc = 1; break; } - new_byte = cpu_ldub_data(env, trans + byte); - cpu_stb_data(env, array + i, new_byte); + new_byte = cpu_ldub_data_ra(env, trans + byte, ra); + cpu_stb_data_ra(env, array + i, new_byte, ra); } + env->cc_op = cc; env->retxl = len - i; return array + i; } diff --git a/target/s390x/translate.c b/target/s390x/translate.c index e4da94d7c3..d42896f703 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -4078,7 +4078,6 @@ static ExitStatus op_tr(DisasContext *s, DisasOps *o) static ExitStatus op_tre(DisasContext *s, DisasOps *o) { - potential_page_fault(s); gen_helper_tre(o->out, cpu_env, o->out, o->out2, o->in2); return_low128(o->out2); set_cc_static(s); |