spapr: Pass PowerPCCPU to spapr_hypercall()

Needed for changing the hypercall handlers' argument type to PowerPCCPU.
Signed-off-by: NAndreas Färber <afaerber@suse.de>

hw/spapr.c

@@ -584,7 +584,7 @@ static void emulate_spapr_hypercall(PowerPCCPU *cpu)
         hcall_dprintf("Hypercall made with MSR[PR]=1\n");
         env->gpr[3] = H_PRIVILEGE;
     } else {
-        env->gpr[3] = spapr_hypercall(env, env->gpr[3], &env->gpr[4]);
+        env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]);
     }
 }
 

hw/spapr.h

@@ -291,7 +291,7 @@ typedef target_ulong (*spapr_hcall_fn)(CPUPPCState *env, sPAPREnvironment *spapr
                                        target_ulong *args);
 
 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
-target_ulong spapr_hypercall(CPUPPCState *env, target_ulong opcode,
+target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
                              target_ulong *args);
 
 int spapr_allocate_irq(int hint, bool lsi);

hw/spapr_hcall.c

@@ -679,9 +679,11 @@ void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn)
     *slot = fn;
 }
 
-target_ulong spapr_hypercall(CPUPPCState *env, target_ulong opcode,
+target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
                              target_ulong *args)
 {
+    CPUPPCState *env = &cpu->env;
+
     if ((opcode <= MAX_HCALL_OPCODE)
         && ((opcode & 0x3) == 0)) {
         spapr_hcall_fn fn = papr_hypercall_table[opcode / 4];

target-ppc/kvm.c

@@ -817,7 +817,8 @@ int kvm_arch_handle_exit(CPUPPCState *env, struct kvm_run *run)
 #ifdef CONFIG_PSERIES
     case KVM_EXIT_PAPR_HCALL:
         dprintf("handle PAPR hypercall\n");
-        run->papr_hcall.ret = spapr_hypercall(env, run->papr_hcall.nr,
+        run->papr_hcall.ret = spapr_hypercall(ppc_env_get_cpu(env),
+                                              run->papr_hcall.nr,
                                               run->papr_hcall.args);
         ret = 0;
         break;