2 * TriCore emulation for qemu: main translation routines.
4 * Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
20 #include "qemu/osdep.h"
21 #include "qapi/error.h"
23 #include "qemu-common.h"
24 #include "exec/exec-all.h"
25 #include "qemu/error-report.h"
27 static hwaddr
tricore_cpu_get_phys_page_attrs_debug(CPUState
*cpu
, vaddr addr
,
30 error_report("function cpu_get_phys_page_attrs_debug not "
31 "implemented, aborting");
35 static inline void set_feature(CPUTriCoreState
*env
, int feature
)
37 env
->features
|= 1ULL << feature
;
40 static void tricore_cpu_set_pc(CPUState
*cs
, vaddr value
)
42 TriCoreCPU
*cpu
= TRICORE_CPU(cs
);
43 CPUTriCoreState
*env
= &cpu
->env
;
45 env
->PC
= value
& ~(target_ulong
)1;
48 static void tricore_cpu_synchronize_from_tb(CPUState
*cs
,
51 TriCoreCPU
*cpu
= TRICORE_CPU(cs
);
52 CPUTriCoreState
*env
= &cpu
->env
;
57 static void tricore_cpu_reset(CPUState
*s
)
59 TriCoreCPU
*cpu
= TRICORE_CPU(s
);
60 TriCoreCPUClass
*tcc
= TRICORE_CPU_GET_CLASS(cpu
);
61 CPUTriCoreState
*env
= &cpu
->env
;
68 static bool tricore_cpu_has_work(CPUState
*cs
)
73 static void tricore_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
75 CPUState
*cs
= CPU(dev
);
76 TriCoreCPU
*cpu
= TRICORE_CPU(dev
);
77 TriCoreCPUClass
*tcc
= TRICORE_CPU_GET_CLASS(dev
);
78 CPUTriCoreState
*env
= &cpu
->env
;
79 Error
*local_err
= NULL
;
81 cpu_exec_realizefn(cs
, &local_err
);
82 if (local_err
!= NULL
) {
83 error_propagate(errp
, local_err
);
87 /* Some features automatically imply others */
88 if (tricore_feature(env
, TRICORE_FEATURE_161
)) {
89 set_feature(env
, TRICORE_FEATURE_16
);
92 if (tricore_feature(env
, TRICORE_FEATURE_16
)) {
93 set_feature(env
, TRICORE_FEATURE_131
);
95 if (tricore_feature(env
, TRICORE_FEATURE_131
)) {
96 set_feature(env
, TRICORE_FEATURE_13
);
101 tcc
->parent_realize(dev
, errp
);
105 static void tricore_cpu_initfn(Object
*obj
)
107 CPUState
*cs
= CPU(obj
);
108 TriCoreCPU
*cpu
= TRICORE_CPU(obj
);
109 CPUTriCoreState
*env
= &cpu
->env
;
114 static ObjectClass
*tricore_cpu_class_by_name(const char *cpu_model
)
119 typename
= g_strdup_printf(TRICORE_CPU_TYPE_NAME("%s"), cpu_model
);
120 oc
= object_class_by_name(typename
);
122 if (!oc
|| !object_class_dynamic_cast(oc
, TYPE_TRICORE_CPU
) ||
123 object_class_is_abstract(oc
)) {
129 static void tc1796_initfn(Object
*obj
)
131 TriCoreCPU
*cpu
= TRICORE_CPU(obj
);
133 set_feature(&cpu
->env
, TRICORE_FEATURE_13
);
136 static void tc1797_initfn(Object
*obj
)
138 TriCoreCPU
*cpu
= TRICORE_CPU(obj
);
140 set_feature(&cpu
->env
, TRICORE_FEATURE_131
);
143 static void tc27x_initfn(Object
*obj
)
145 TriCoreCPU
*cpu
= TRICORE_CPU(obj
);
147 set_feature(&cpu
->env
, TRICORE_FEATURE_161
);
150 static void tricore_cpu_class_init(ObjectClass
*c
, void *data
)
152 TriCoreCPUClass
*mcc
= TRICORE_CPU_CLASS(c
);
153 CPUClass
*cc
= CPU_CLASS(c
);
154 DeviceClass
*dc
= DEVICE_CLASS(c
);
156 device_class_set_parent_realize(dc
, tricore_cpu_realizefn
,
157 &mcc
->parent_realize
);
159 mcc
->parent_reset
= cc
->reset
;
160 cc
->reset
= tricore_cpu_reset
;
161 cc
->class_by_name
= tricore_cpu_class_by_name
;
162 cc
->has_work
= tricore_cpu_has_work
;
164 cc
->dump_state
= tricore_cpu_dump_state
;
165 cc
->set_pc
= tricore_cpu_set_pc
;
166 cc
->synchronize_from_tb
= tricore_cpu_synchronize_from_tb
;
167 cc
->get_phys_page_attrs_debug
= tricore_cpu_get_phys_page_attrs_debug
;
168 cc
->tcg_initialize
= tricore_tcg_init
;
171 #define DEFINE_TRICORE_CPU_TYPE(cpu_model, initfn) \
173 .parent = TYPE_TRICORE_CPU, \
174 .instance_init = initfn, \
175 .name = TRICORE_CPU_TYPE_NAME(cpu_model), \
178 static const TypeInfo tricore_cpu_type_infos
[] = {
180 .name
= TYPE_TRICORE_CPU
,
182 .instance_size
= sizeof(TriCoreCPU
),
183 .instance_init
= tricore_cpu_initfn
,
185 .class_size
= sizeof(TriCoreCPUClass
),
186 .class_init
= tricore_cpu_class_init
,
188 DEFINE_TRICORE_CPU_TYPE("tc1796", tc1796_initfn
),
189 DEFINE_TRICORE_CPU_TYPE("tc1797", tc1797_initfn
),
190 DEFINE_TRICORE_CPU_TYPE("tc27x", tc27x_initfn
),
193 DEFINE_TYPES(tricore_cpu_type_infos
)