cpu: Turn cpu_get_phys_page_debug() into a CPUClass hook

[mirror_qemu.git] / target-unicore32 / cpu.c

diff --git a/target-unicore32/cpu.c b/target-unicore32/cpu.c
index de63f58dda055fab4763094599908d5040dfbb81..46813e52ae103192a346d669d105439d6edecaf5 100644 (file)
--- a/target-unicore32/cpu.c
+++ b/target-unicore32/cpu.c
@@ -1,7 +1,7 @@
 /*
  * QEMU UniCore32 CPU
  *
- * Copyright (c) 2010-2011 GUAN Xue-tao
+ * Copyright (c) 2010-2012 Guan Xuetao
  * Copyright (c) 2012 SUSE LINUX Products GmbH
  *
  * This program is free software; you can redistribute it and/or modify
@@ -12,8 +12,16 @@
  * or (at your option) any later version.
  */
 
-#include "cpu-qom.h"
+#include "cpu.h"
 #include "qemu-common.h"
+#include "migration/vmstate.h"
+
+static void uc32_cpu_set_pc(CPUState *cs, vaddr value)
+{
+    UniCore32CPU *cpu = UNICORE32_CPU(cs);
+
+    cpu->env.regs[31] = value;
+}
 
 static inline void set_feature(CPUUniCore32State *env, int feature)
 {
@@ -22,6 +30,25 @@ static inline void set_feature(CPUUniCore32State *env, int feature)
 
 /* CPU models */
 
+static ObjectClass *uc32_cpu_class_by_name(const char *cpu_model)
+{
+    ObjectClass *oc;
+    char *typename;
+
+    if (cpu_model == NULL) {
+        return NULL;
+    }
+
+    typename = g_strdup_printf("%s-" TYPE_UNICORE32_CPU, cpu_model);
+    oc = object_class_by_name(typename);
+    g_free(typename);
+    if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_UNICORE32_CPU) ||
+                       object_class_is_abstract(oc))) {
+        oc = NULL;
+    }
+    return oc;
+}
+
 typedef struct UniCore32CPUInfo {
     const char *name;
     void (*instance_init)(Object *obj);
@@ -32,13 +59,16 @@ static void unicore_ii_cpu_initfn(Object *obj)
     UniCore32CPU *cpu = UNICORE32_CPU(obj);
     CPUUniCore32State *env = &cpu->env;
 
-    env->cp0.c0_cpuid = 0x40010863;
+    env->cp0.c0_cpuid = 0x4d000863;
+    env->cp0.c0_cachetype = 0x0d152152;
+    env->cp0.c1_sys = 0x2000;
+    env->cp0.c2_base = 0x0;
+    env->cp0.c3_faultstatus = 0x0;
+    env->cp0.c4_faultaddr = 0x0;
+    env->ucf64.xregs[UC32_UCF64_FPSCR] = 0;
 
     set_feature(env, UC32_HWCAP_CMOV);
     set_feature(env, UC32_HWCAP_UCF64);
-    env->ucf64.xregs[UC32_UCF64_FPSCR] = 0;
-    env->cp0.c0_cachetype = 0x1dd20d2;
-    env->cp0.c1_sys = 0x00090078;
 }
 
 static void uc32_any_cpu_initfn(Object *obj)
@@ -47,6 +77,7 @@ static void uc32_any_cpu_initfn(Object *obj)
     CPUUniCore32State *env = &cpu->env;
 
     env->cp0.c0_cpuid = 0xffffffff;
+    env->ucf64.xregs[UC32_UCF64_FPSCR] = 0;
 
     set_feature(env, UC32_HWCAP_CMOV);
     set_feature(env, UC32_HWCAP_UCF64);
@@ -57,29 +88,73 @@ static const UniCore32CPUInfo uc32_cpus[] = {
     { .name = "any",        .instance_init = uc32_any_cpu_initfn },
 };
 
+static void uc32_cpu_realizefn(DeviceState *dev, Error **errp)
+{
+    UniCore32CPUClass *ucc = UNICORE32_CPU_GET_CLASS(dev);
+
+    ucc->parent_realize(dev, errp);
+}
+
 static void uc32_cpu_initfn(Object *obj)
 {
+    CPUState *cs = CPU(obj);
     UniCore32CPU *cpu = UNICORE32_CPU(obj);
     CPUUniCore32State *env = &cpu->env;
+    static bool inited;
 
+    cs->env_ptr = env;
     cpu_exec_init(env);
-    env->cpu_model_str = object_get_typename(obj);
 
+#ifdef CONFIG_USER_ONLY
     env->uncached_asr = ASR_MODE_USER;
     env->regs[31] = 0;
+#else
+    env->uncached_asr = ASR_MODE_PRIV;
+    env->regs[31] = 0x03000000;
+#endif
 
     tlb_flush(env, 1);
+
+    if (tcg_enabled() && !inited) {
+        inited = true;
+        uc32_translate_init();
+    }
+}
+
+static const VMStateDescription vmstate_uc32_cpu = {
+    .name = "cpu",
+    .unmigratable = 1,
+};
+
+static void uc32_cpu_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+    CPUClass *cc = CPU_CLASS(oc);
+    UniCore32CPUClass *ucc = UNICORE32_CPU_CLASS(oc);
+
+    ucc->parent_realize = dc->realize;
+    dc->realize = uc32_cpu_realizefn;
+
+    cc->class_by_name = uc32_cpu_class_by_name;
+    cc->do_interrupt = uc32_cpu_do_interrupt;
+    cc->dump_state = uc32_cpu_dump_state;
+    cc->set_pc = uc32_cpu_set_pc;
+#ifndef CONFIG_USER_ONLY
+    cc->get_phys_page_debug = uc32_cpu_get_phys_page_debug;
+#endif
+    dc->vmsd = &vmstate_uc32_cpu;
 }
 
 static void uc32_register_cpu_type(const UniCore32CPUInfo *info)
 {
     TypeInfo type_info = {
-        .name = info->name,
         .parent = TYPE_UNICORE32_CPU,
         .instance_init = info->instance_init,
     };
 
-    type_register_static(&type_info);
+    type_info.name = g_strdup_printf("%s-" TYPE_UNICORE32_CPU, info->name);
+    type_register(&type_info);
+    g_free((void *)type_info.name);
 }
 
 static const TypeInfo uc32_cpu_type_info = {
@@ -89,6 +164,7 @@ static const TypeInfo uc32_cpu_type_info = {
     .instance_init = uc32_cpu_initfn,
     .abstract = true,
     .class_size = sizeof(UniCore32CPUClass),
+    .class_init = uc32_cpu_class_init,
 };
 
 static void uc32_cpu_register_types(void)