From 397b457d869fbd5bbe2793c3066bb6bc92845932 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@suse.de>
Date: Thu, 3 May 2012 05:43:05 +0200
Subject: [PATCH] target-ppc: Let cpu_ppc_init() return PowerPCCPU
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Adapt e500 mpc8544ds machine accordingly.

Turn cpu_init() into a static inline function returning CPUPPCState for
backwards compatibility.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Alexander Graf <agraf@suse.de>
---
 hw/ppce500_mpc8544ds.c |  7 +++++--
 target-ppc/cpu.h       | 12 ++++++++++--
 target-ppc/helper.c    |  4 ++--
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppce500_mpc8544ds.c
index f1dfbe181c..88a2767bca 100644
--- a/hw/ppce500_mpc8544ds.c
+++ b/hw/ppce500_mpc8544ds.c
@@ -254,12 +254,15 @@ static void mpc8544ds_init(ram_addr_t ram_size,
     irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
     irqs[0] = g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
     for (i = 0; i < smp_cpus; i++) {
+        PowerPCCPU *cpu;
         qemu_irq *input;
-        env = cpu_ppc_init(cpu_model);
-        if (!env) {
+
+        cpu = cpu_ppc_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to initialize CPU!\n");
             exit(1);
         }
+        env = &cpu->env;
 
         if (!firstenv) {
             firstenv = env;
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 84c9674157..77a28580af 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1099,7 +1099,7 @@ struct mmu_ctx_t {
 #include "cpu-qom.h"
 
 /*****************************************************************************/
-CPUPPCState *cpu_ppc_init (const char *cpu_model);
+PowerPCCPU *cpu_ppc_init(const char *cpu_model);
 void ppc_translate_init(void);
 int cpu_ppc_exec (CPUPPCState *s);
 /* you can call this signal handler from your SIGBUS and SIGSEGV
@@ -1214,7 +1214,15 @@ static inline uint64_t ppc_dump_gpr(CPUPPCState *env, int gprn)
 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp);
 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val);
 
-#define cpu_init cpu_ppc_init
+static inline CPUPPCState *cpu_init(const char *cpu_model)
+{
+    PowerPCCPU *cpu = cpu_ppc_init(cpu_model);
+    if (cpu == NULL) {
+        return NULL;
+    }
+    return &cpu->env;
+}
+
 #define cpu_exec cpu_ppc_exec
 #define cpu_gen_code cpu_ppc_gen_code
 #define cpu_signal_handler cpu_ppc_signal_handler
diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index e97e49640d..42f66e8948 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -3191,7 +3191,7 @@ void cpu_state_reset(CPUPPCState *env)
     cpu_reset(ENV_GET_CPU(env));
 }
 
-CPUPPCState *cpu_ppc_init (const char *cpu_model)
+PowerPCCPU *cpu_ppc_init(const char *cpu_model)
 {
     PowerPCCPU *cpu;
     CPUPPCState *env;
@@ -3213,5 +3213,5 @@ CPUPPCState *cpu_ppc_init (const char *cpu_model)
 
     qemu_init_vcpu(env);
 
-    return env;
+    return cpu;
 }