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Diffstat (limited to 'hw/ppc/spapr_hcall.c')
-rw-r--r--hw/ppc/spapr_hcall.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index c2776b6a7d..885ea60778 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -1590,12 +1590,11 @@ static target_ulong h_signal_sys_reset(PowerPCCPU *cpu,
}
}
-static uint32_t cas_check_pvr(SpaprMachineState *spapr, PowerPCCPU *cpu,
- target_ulong *addr, bool *raw_mode_supported,
- Error **errp)
+/* Returns either a logical PVR or zero if none was found */
+static uint32_t cas_check_pvr(PowerPCCPU *cpu, uint32_t max_compat,
+ target_ulong *addr, bool *raw_mode_supported)
{
bool explicit_match = false; /* Matched the CPU's real PVR */
- uint32_t max_compat = spapr->max_compat_pvr;
uint32_t best_compat = 0;
int i;
@@ -1624,14 +1623,6 @@ static uint32_t cas_check_pvr(SpaprMachineState *spapr, PowerPCCPU *cpu,
}
}
- if ((best_compat == 0) && (!explicit_match || max_compat)) {
- /* We couldn't find a suitable compatibility mode, and either
- * the guest doesn't support "raw" mode for this CPU, or raw
- * mode is disabled because a maximum compat mode is set */
- error_setg(errp, "Couldn't negotiate a suitable PVR during CAS");
- return 0;
- }
-
*raw_mode_supported = explicit_match;
/* Parsing finished */
@@ -1680,6 +1671,7 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu,
bool guest_xive;
CPUState *cs;
void *fdt;
+ uint32_t max_compat = spapr->max_compat_pvr;
/* CAS is supposed to be called early when only the boot vCPU is active. */
CPU_FOREACH(cs) {
@@ -1692,9 +1684,14 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu,
}
}
- cas_pvr = cas_check_pvr(spapr, cpu, &vec, &raw_mode_supported, &local_err);
- if (local_err) {
- error_report_err(local_err);
+ cas_pvr = cas_check_pvr(cpu, max_compat, &vec, &raw_mode_supported);
+ if (!cas_pvr && (!raw_mode_supported || max_compat)) {
+ /*
+ * We couldn't find a suitable compatibility mode, and either
+ * the guest doesn't support "raw" mode for this CPU, or "raw"
+ * mode is disabled because a maximum compat mode is set.
+ */
+ error_report("Couldn't negotiate a suitable PVR during CAS");
return H_HARDWARE;
}