diff options
Diffstat (limited to 'target/s390x/diag.c')
| -rw-r--r-- | target/s390x/diag.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/target/s390x/diag.c b/target/s390x/diag.c index b2cbefb8cf..1a48429564 100644 --- a/target/s390x/diag.c +++ b/target/s390x/diag.c @@ -75,6 +75,7 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3, uintptr_t ra) { bool valid; CPUState *cs = env_cpu(env); + S390CPU *cpu = S390_CPU(cs); uint64_t addr = env->regs[r1]; uint64_t subcode = env->regs[r3]; IplParameterBlock *iplb; @@ -111,13 +112,22 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3, uintptr_t ra) return; } iplb = g_new0(IplParameterBlock, 1); - cpu_physical_memory_read(addr, iplb, sizeof(iplb->len)); + if (!s390_is_pv()) { + cpu_physical_memory_read(addr, iplb, sizeof(iplb->len)); + } else { + s390_cpu_pv_mem_read(cpu, 0, iplb, sizeof(iplb->len)); + } + if (!iplb_valid_len(iplb)) { env->regs[r1 + 1] = DIAG_308_RC_INVALID; goto out; } - cpu_physical_memory_read(addr, iplb, be32_to_cpu(iplb->len)); + if (!s390_is_pv()) { + cpu_physical_memory_read(addr, iplb, be32_to_cpu(iplb->len)); + } else { + s390_cpu_pv_mem_read(cpu, 0, iplb, be32_to_cpu(iplb->len)); + } valid = subcode == DIAG308_PV_SET ? iplb_valid_pv(iplb) : iplb_valid(iplb); if (!valid) { @@ -140,12 +150,17 @@ out: } else { iplb = s390_ipl_get_iplb(); } - if (iplb) { + if (!iplb) { + env->regs[r1 + 1] = DIAG_308_RC_NO_CONF; + return; + } + + if (!s390_is_pv()) { cpu_physical_memory_write(addr, iplb, be32_to_cpu(iplb->len)); - env->regs[r1 + 1] = DIAG_308_RC_OK; } else { - env->regs[r1 + 1] = DIAG_308_RC_NO_CONF; + s390_cpu_pv_mem_write(cpu, 0, iplb, be32_to_cpu(iplb->len)); } + env->regs[r1 + 1] = DIAG_308_RC_OK; return; case DIAG308_PV_START: iplb = s390_ipl_get_iplb_pv(); |