4 * Copyright (c) 2010-2012 Guan Xuetao
5 * Copyright (c) 2012 SUSE LINUX Products GmbH
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * Contributions from 2012-04-01 on are considered under GPL version 2,
12 * or (at your option) any later version.
16 #include "qemu-common.h"
17 #include "migration/vmstate.h"
19 static inline void set_feature(CPUUniCore32State
*env
, int feature
)
21 env
->features
|= feature
;
26 static ObjectClass
*uc32_cpu_class_by_name(const char *cpu_model
)
30 if (cpu_model
== NULL
) {
34 oc
= object_class_by_name(cpu_model
);
35 if (oc
!= NULL
&& (!object_class_dynamic_cast(oc
, TYPE_UNICORE32_CPU
) ||
36 object_class_is_abstract(oc
))) {
42 typedef struct UniCore32CPUInfo
{
44 void (*instance_init
)(Object
*obj
);
47 static void unicore_ii_cpu_initfn(Object
*obj
)
49 UniCore32CPU
*cpu
= UNICORE32_CPU(obj
);
50 CPUUniCore32State
*env
= &cpu
->env
;
52 env
->cp0
.c0_cpuid
= 0x4d000863;
53 env
->cp0
.c0_cachetype
= 0x0d152152;
54 env
->cp0
.c1_sys
= 0x2000;
55 env
->cp0
.c2_base
= 0x0;
56 env
->cp0
.c3_faultstatus
= 0x0;
57 env
->cp0
.c4_faultaddr
= 0x0;
58 env
->ucf64
.xregs
[UC32_UCF64_FPSCR
] = 0;
60 set_feature(env
, UC32_HWCAP_CMOV
);
61 set_feature(env
, UC32_HWCAP_UCF64
);
64 static void uc32_any_cpu_initfn(Object
*obj
)
66 UniCore32CPU
*cpu
= UNICORE32_CPU(obj
);
67 CPUUniCore32State
*env
= &cpu
->env
;
69 env
->cp0
.c0_cpuid
= 0xffffffff;
70 env
->ucf64
.xregs
[UC32_UCF64_FPSCR
] = 0;
72 set_feature(env
, UC32_HWCAP_CMOV
);
73 set_feature(env
, UC32_HWCAP_UCF64
);
76 static const UniCore32CPUInfo uc32_cpus
[] = {
77 { .name
= "UniCore-II", .instance_init
= unicore_ii_cpu_initfn
},
78 { .name
= "any", .instance_init
= uc32_any_cpu_initfn
},
81 static void uc32_cpu_initfn(Object
*obj
)
83 UniCore32CPU
*cpu
= UNICORE32_CPU(obj
);
84 CPUUniCore32State
*env
= &cpu
->env
;
87 env
->cpu_model_str
= object_get_typename(obj
);
89 #ifdef CONFIG_USER_ONLY
90 env
->uncached_asr
= ASR_MODE_USER
;
93 env
->uncached_asr
= ASR_MODE_PRIV
;
94 env
->regs
[31] = 0x03000000;
100 static const VMStateDescription vmstate_uc32_cpu
= {
105 static void uc32_cpu_class_init(ObjectClass
*oc
, void *data
)
107 DeviceClass
*dc
= DEVICE_CLASS(oc
);
108 CPUClass
*cc
= CPU_CLASS(oc
);
110 cc
->class_by_name
= uc32_cpu_class_by_name
;
111 dc
->vmsd
= &vmstate_uc32_cpu
;
114 static void uc32_register_cpu_type(const UniCore32CPUInfo
*info
)
116 TypeInfo type_info
= {
118 .parent
= TYPE_UNICORE32_CPU
,
119 .instance_init
= info
->instance_init
,
122 type_register(&type_info
);
125 static const TypeInfo uc32_cpu_type_info
= {
126 .name
= TYPE_UNICORE32_CPU
,
128 .instance_size
= sizeof(UniCore32CPU
),
129 .instance_init
= uc32_cpu_initfn
,
131 .class_size
= sizeof(UniCore32CPUClass
),
132 .class_init
= uc32_cpu_class_init
,
135 static void uc32_cpu_register_types(void)
139 type_register_static(&uc32_cpu_type_info
);
140 for (i
= 0; i
< ARRAY_SIZE(uc32_cpus
); i
++) {
141 uc32_register_cpu_type(&uc32_cpus
[i
]);
145 type_init(uc32_cpu_register_types
)