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s390x/tcg: MVCS/MVCP: Check for special operation exceptions

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Let's perform the documented checks.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2019-09-03 13:44:55 +02:00
parent 86678418b2
commit 43df3e71e3
1 changed files with 12 additions and 0 deletions
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12
target/s390x/mem_helper.c
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@ -1960,12 +1960,18 @@ uint32_t HELPER(rrbe)(CPUS390XState *env, uint64_t r2)
uint32_t HELPER(mvcs)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_t a2)
{
const uint8_t psw_as = (env->psw.mask & PSW_MASK_ASC) >> PSW_SHIFT_ASC;
uintptr_t ra = GETPC();
int cc = 0, i;
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n",
__func__, l, a1, a2);
if (!(env->psw.mask & PSW_MASK_DAT) || !(env->cregs[0] & CR0_SECONDARY) ||
psw_as == AS_HOME || psw_as == AS_ACCREG) {
s390_program_interrupt(env, PGM_SPECIAL_OP, ILEN_AUTO, ra);
}
if (l > 256) {
/* max 256 */
l = 256;
@ -1983,12 +1989,18 @@ uint32_t HELPER(mvcs)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_t a2)
uint32_t HELPER(mvcp)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_t a2)
{
const uint8_t psw_as = (env->psw.mask & PSW_MASK_ASC) >> PSW_SHIFT_ASC;
uintptr_t ra = GETPC();
int cc = 0, i;
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n",
__func__, l, a1, a2);
if (!(env->psw.mask & PSW_MASK_DAT) || !(env->cregs[0] & CR0_SECONDARY) ||
psw_as == AS_HOME || psw_as == AS_ACCREG) {
s390_program_interrupt(env, PGM_SPECIAL_OP, ILEN_AUTO, ra);
}
if (l > 256) {
/* max 256 */
l = 256;