diff options
Diffstat (limited to 'target-s390x/helper.c')
| -rw-r--r-- | target-s390x/helper.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/target-s390x/helper.c b/target-s390x/helper.c index 043feb2739..9f9088b040 100644 --- a/target-s390x/helper.c +++ b/target-s390x/helper.c @@ -617,7 +617,6 @@ static void do_ext_interrupt(CPUS390XState *env) static void do_io_interrupt(CPUS390XState *env) { - uint64_t mask = 0, addr = 0; LowCore *lowcore; IOIntQueue *q; uint8_t isc; @@ -642,36 +641,39 @@ static void do_io_interrupt(CPUS390XState *env) disable = 0; continue; } - found = 1; - lowcore = cpu_map_lowcore(env); + if (!found) { + uint64_t mask, addr; - lowcore->subchannel_id = cpu_to_be16(q->id); - lowcore->subchannel_nr = cpu_to_be16(q->nr); - lowcore->io_int_parm = cpu_to_be32(q->parm); - lowcore->io_int_word = cpu_to_be32(q->word); - lowcore->io_old_psw.mask = cpu_to_be64(get_psw_mask(env)); - lowcore->io_old_psw.addr = cpu_to_be64(env->psw.addr); - mask = be64_to_cpu(lowcore->io_new_psw.mask); - addr = be64_to_cpu(lowcore->io_new_psw.addr); + found = 1; + lowcore = cpu_map_lowcore(env); - cpu_unmap_lowcore(lowcore); + lowcore->subchannel_id = cpu_to_be16(q->id); + lowcore->subchannel_nr = cpu_to_be16(q->nr); + lowcore->io_int_parm = cpu_to_be32(q->parm); + lowcore->io_int_word = cpu_to_be32(q->word); + lowcore->io_old_psw.mask = cpu_to_be64(get_psw_mask(env)); + lowcore->io_old_psw.addr = cpu_to_be64(env->psw.addr); + mask = be64_to_cpu(lowcore->io_new_psw.mask); + addr = be64_to_cpu(lowcore->io_new_psw.addr); - env->io_index[isc]--; + cpu_unmap_lowcore(lowcore); + + env->io_index[isc]--; + + DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__, + env->psw.mask, env->psw.addr); + load_psw(env, mask, addr); + } if (env->io_index[isc] >= 0) { disable = 0; } - break; + continue; } if (disable) { env->pending_int &= ~INTERRUPT_IO; } - if (found) { - DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__, - env->psw.mask, env->psw.addr); - load_psw(env, mask, addr); - } } static void do_mchk_interrupt(CPUS390XState *env) |