target/ppc: prepare to split interrupt masking and delivery by excp_m…

…odel

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20221011204829.1641124-5-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

target/ppc/excp_helper.c

@@ -1684,7 +1684,7 @@ void ppc_cpu_do_interrupt(CPUState *cs)
     powerpc_excp(cpu, cs->exception_index);
 }
 
-static int ppc_next_unmasked_interrupt(CPUPPCState *env)
+static int ppc_next_unmasked_interrupt_generic(CPUPPCState *env)
 {
     bool async_deliver;
 
@@ -1796,7 +1796,15 @@ static int ppc_next_unmasked_interrupt(CPUPPCState *env)
     return 0;
 }
 
-static void ppc_deliver_interrupt(CPUPPCState *env, int interrupt)
+static int ppc_next_unmasked_interrupt(CPUPPCState *env)
+{
+    switch (env->excp_model) {
+    default:
+        return ppc_next_unmasked_interrupt_generic(env);
+    }
+}
+
+static void ppc_deliver_interrupt_generic(CPUPPCState *env, int interrupt)
 {
     PowerPCCPU *cpu = env_archcpu(env);
     CPUState *cs = env_cpu(env);
@@ -1900,6 +1908,14 @@ static void ppc_deliver_interrupt(CPUPPCState *env, int interrupt)
     }
 }
 
+static void ppc_deliver_interrupt(CPUPPCState *env, int interrupt)
+{
+    switch (env->excp_model) {
+    default:
+        ppc_deliver_interrupt_generic(env, interrupt);
+    }
+}
+
 void ppc_cpu_do_system_reset(CPUState *cs)
 {
     PowerPCCPU *cpu = POWERPC_CPU(cs);