On 1/11/23 18:14, Nina Schoetterl-Glausch wrote:
On Tue, 2023-01-10 at 15:29 +0100, Thomas Huth wrote:
On 05/01/2023 15.53, Pierre Morel wrote:
On interception of STSI(15.1.x) the System Information Block
(SYSIB) is built from the list of pre-ordered topology entries.
Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
---
[...]
+void insert_stsi_15_1_x(S390CPU *cpu, int sel2, __u64 addr, uint8_t ar)
+{
+ union {
+ char place_holder[S390_TOPOLOGY_SYSIB_SIZE];
+ SysIB_151x sysib;
+ } buffer QEMU_ALIGNED(8) = {};
+ int len;
+
+ if (!s390_has_topology() || sel2 < 2 || sel2 > SCLP_READ_SCP_INFO_MNEST) {
+ setcc(cpu, 3);
+ return;
+ }
+
+ len = setup_stsi(cpu, &buffer.sysib, sel2);
+
+ if (len > 4096) {
Maybe use TARGET_PAGE_SIZE instead of 4096 ?
sizeof(SysIB) would be preferable IMO.
Yes better
Thanks,
Regards,
Pierre
--
Pierre Morel
IBM Lab Boeblingen
