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| author | Thomas Huth <thuth@linux.vnet.ibm.com> | 2015-02-12 18:09:34 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-02-18 09:37:15 +0100 |
| commit | 234d9b1d3c5a0c87b9f41f7350bcf8c07a992864 (patch) | |
| tree | da0e399995de9018aa8d40bbb448b7b08ddefe8f /target-s390x/ioinst.c | |
| parent | 14b4e13d4c74f52875d9e1456a126ae076fd2204 (diff) | |
| download | qemu-234d9b1d3c5a0c87b9f41f7350bcf8c07a992864.zip qemu-234d9b1d3c5a0c87b9f41f7350bcf8c07a992864.tar.gz qemu-234d9b1d3c5a0c87b9f41f7350bcf8c07a992864.tar.bz2 | |
s390x/ioinst: Rework memory access in SSCH instruction
Change the handler for SSCH to use the new logical memory
access functions.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'target-s390x/ioinst.c')
| -rw-r--r-- | target-s390x/ioinst.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/target-s390x/ioinst.c b/target-s390x/ioinst.c index 1569df6..0ef7a93 100644 --- a/target-s390x/ioinst.c +++ b/target-s390x/ioinst.c @@ -210,11 +210,10 @@ void ioinst_handle_ssch(S390CPU *cpu, uint64_t reg1, uint32_t ipb) { int cssid, ssid, schid, m; SubchDev *sch; - ORB *orig_orb, orb; + ORB orig_orb, orb; uint64_t addr; int ret = -ENODEV; int cc; - hwaddr len = sizeof(*orig_orb); CPUS390XState *env = &cpu->env; addr = decode_basedisp_s(env, ipb); @@ -222,16 +221,14 @@ void ioinst_handle_ssch(S390CPU *cpu, uint64_t reg1, uint32_t ipb) program_interrupt(env, PGM_SPECIFICATION, 2); return; } - orig_orb = s390_cpu_physical_memory_map(env, addr, &len, 0); - if (!orig_orb || len != sizeof(*orig_orb)) { - program_interrupt(env, PGM_ADDRESSING, 2); - goto out; + if (s390_cpu_virt_mem_read(cpu, addr, &orig_orb, sizeof(orb))) { + return; } - copy_orb_from_guest(&orb, orig_orb); + copy_orb_from_guest(&orb, &orig_orb); if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid) || !ioinst_orb_valid(&orb)) { program_interrupt(env, PGM_OPERAND, 2); - goto out; + return; } trace_ioinst_sch_id("ssch", cssid, ssid, schid); sch = css_find_subch(m, cssid, ssid, schid); @@ -253,9 +250,6 @@ void ioinst_handle_ssch(S390CPU *cpu, uint64_t reg1, uint32_t ipb) break; } setcc(cpu, cc); - -out: - s390_cpu_physical_memory_unmap(env, orig_orb, len, 0); } void ioinst_handle_stcrw(S390CPU *cpu, uint32_t ipb) |