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target/s390x: Use unwind data for helper_lctl 

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-05-22 12:18:42 -07:00
parent 97ae2149af
commit 1b642a732c
2 changed files with 5 additions and 5 deletions
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9
target/s390x/mem_helper.c
View File

@ -878,18 +878,19 @@ void HELPER(lctlg)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
void HELPER(lctl)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
{
uintptr_t ra = GETPC();
S390CPU *cpu = s390_env_get_cpu(env);
bool PERchanged = false;
int i;
uint64_t src = a2;
uint32_t val;
uint32_t i;
for (i = r1;; i = (i + 1) % 16) {
val = cpu_ldl_data(env, src);
uint32_t val = cpu_ldl_data_ra(env, src, ra);
if ((uint32_t)env->cregs[i] != val && i >= 9 && i <= 11) {
PERchanged = true;
}
env->cregs[i] = (env->cregs[i] & 0xFFFFFFFF00000000ULL) | val;
env->cregs[i] = deposit64(env->cregs[i], 0, 32, val);
HELPER_LOG("load ctl %d from 0x%" PRIx64 " == 0x%x\n", i, src, val);
src += sizeof(uint32_t);
if (i == r3) {

1
target/s390x/translate.c
View File

@ -2545,7 +2545,6 @@ static ExitStatus op_lctl(DisasContext *s, DisasOps *o)
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
check_privileged(s);
potential_page_fault(s);
gen_helper_lctl(cpu_env, r1, o->in2, r3);
tcg_temp_free_i32(r1);
tcg_temp_free_i32(r3);