diff options
Diffstat (limited to 'hw/s390x/sclp.c')
| -rw-r--r-- | hw/s390x/sclp.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c index 6134d4f904..98809777c8 100644 --- a/hw/s390x/sclp.c +++ b/hw/s390x/sclp.c @@ -107,7 +107,7 @@ static void sclp_execute(SCCB *sccb, uint32_t code) } } -int sclp_service_call(uint64_t sccb, uint32_t code) +int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code) { int r = 0; SCCB work_sccb; @@ -115,11 +115,16 @@ int sclp_service_call(uint64_t sccb, uint32_t code) hwaddr sccb_len = sizeof(SCCB); /* first some basic checks on program checks */ + if (env->psw.mask & PSW_MASK_PSTATE) { + r = -PGM_PRIVILEGED; + goto out; + } if (cpu_physical_memory_is_io(sccb)) { r = -PGM_ADDRESSING; goto out; } - if (sccb & ~0x7ffffff8ul) { + if ((sccb & ~0x1fffUL) == 0 || (sccb & ~0x1fffUL) == env->psa + || (sccb & ~0x7ffffff8UL) != 0) { r = -PGM_SPECIFICATION; goto out; } |