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 "exec/exec-all.h"
24 #include "qemu/error-report.h"
26 static inline void set_feature(CPUTriCoreState
*env
, int feature
)
28 env
->features
|= 1ULL << feature
;
31 static gchar
*tricore_gdb_arch_name(CPUState
*cs
)
33 return g_strdup("tricore");
36 static void tricore_cpu_set_pc(CPUState
*cs
, vaddr value
)
38 TriCoreCPU
*cpu
= TRICORE_CPU(cs
);
39 CPUTriCoreState
*env
= &cpu
->env
;
41 env
->PC
= value
& ~(target_ulong
)1;
44 static void tricore_cpu_synchronize_from_tb(CPUState
*cs
,
45 const TranslationBlock
*tb
)
47 TriCoreCPU
*cpu
= TRICORE_CPU(cs
);
48 CPUTriCoreState
*env
= &cpu
->env
;
53 static void tricore_cpu_reset(DeviceState
*dev
)
55 CPUState
*s
= CPU(dev
);
56 TriCoreCPU
*cpu
= TRICORE_CPU(s
);
57 TriCoreCPUClass
*tcc
= TRICORE_CPU_GET_CLASS(cpu
);
58 CPUTriCoreState
*env
= &cpu
->env
;
60 tcc
->parent_reset(dev
);
65 static bool tricore_cpu_has_work(CPUState
*cs
)
70 static void tricore_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
72 CPUState
*cs
= CPU(dev
);
73 TriCoreCPU
*cpu
= TRICORE_CPU(dev
);
74 TriCoreCPUClass
*tcc
= TRICORE_CPU_GET_CLASS(dev
);
75 CPUTriCoreState
*env
= &cpu
->env
;
76 Error
*local_err
= NULL
;
78 cpu_exec_realizefn(cs
, &local_err
);
79 if (local_err
!= NULL
) {
80 error_propagate(errp
, local_err
);
84 /* Some features automatically imply others */
85 if (tricore_feature(env
, TRICORE_FEATURE_161
)) {
86 set_feature(env
, TRICORE_FEATURE_16
);
89 if (tricore_feature(env
, TRICORE_FEATURE_16
)) {
90 set_feature(env
, TRICORE_FEATURE_131
);
92 if (tricore_feature(env
, TRICORE_FEATURE_131
)) {
93 set_feature(env
, TRICORE_FEATURE_13
);
98 tcc
->parent_realize(dev
, errp
);
102 static void tricore_cpu_initfn(Object
*obj
)
104 TriCoreCPU
*cpu
= TRICORE_CPU(obj
);
106 cpu_set_cpustate_pointers(cpu
);
109 static ObjectClass
*tricore_cpu_class_by_name(const char *cpu_model
)
114 typename
= g_strdup_printf(TRICORE_CPU_TYPE_NAME("%s"), cpu_model
);
115 oc
= object_class_by_name(typename
);
117 if (!oc
|| !object_class_dynamic_cast(oc
, TYPE_TRICORE_CPU
) ||
118 object_class_is_abstract(oc
)) {
124 static void tc1796_initfn(Object
*obj
)
126 TriCoreCPU
*cpu
= TRICORE_CPU(obj
);
128 set_feature(&cpu
->env
, TRICORE_FEATURE_13
);
131 static void tc1797_initfn(Object
*obj
)
133 TriCoreCPU
*cpu
= TRICORE_CPU(obj
);
135 set_feature(&cpu
->env
, TRICORE_FEATURE_131
);
138 static void tc27x_initfn(Object
*obj
)
140 TriCoreCPU
*cpu
= TRICORE_CPU(obj
);
142 set_feature(&cpu
->env
, TRICORE_FEATURE_161
);
145 #include "hw/core/sysemu-cpu-ops.h"
147 static const struct SysemuCPUOps tricore_sysemu_ops
= {
148 .get_phys_page_debug
= tricore_cpu_get_phys_page_debug
,
151 #include "hw/core/tcg-cpu-ops.h"
153 static const struct TCGCPUOps tricore_tcg_ops
= {
154 .initialize
= tricore_tcg_init
,
155 .synchronize_from_tb
= tricore_cpu_synchronize_from_tb
,
156 .tlb_fill
= tricore_cpu_tlb_fill
,
159 static void tricore_cpu_class_init(ObjectClass
*c
, void *data
)
161 TriCoreCPUClass
*mcc
= TRICORE_CPU_CLASS(c
);
162 CPUClass
*cc
= CPU_CLASS(c
);
163 DeviceClass
*dc
= DEVICE_CLASS(c
);
165 device_class_set_parent_realize(dc
, tricore_cpu_realizefn
,
166 &mcc
->parent_realize
);
168 device_class_set_parent_reset(dc
, tricore_cpu_reset
, &mcc
->parent_reset
);
169 cc
->class_by_name
= tricore_cpu_class_by_name
;
170 cc
->has_work
= tricore_cpu_has_work
;
172 cc
->gdb_read_register
= tricore_cpu_gdb_read_register
;
173 cc
->gdb_write_register
= tricore_cpu_gdb_write_register
;
174 cc
->gdb_num_core_regs
= 44;
175 cc
->gdb_arch_name
= tricore_gdb_arch_name
;
177 cc
->dump_state
= tricore_cpu_dump_state
;
178 cc
->set_pc
= tricore_cpu_set_pc
;
179 cc
->sysemu_ops
= &tricore_sysemu_ops
;
180 cc
->tcg_ops
= &tricore_tcg_ops
;
183 #define DEFINE_TRICORE_CPU_TYPE(cpu_model, initfn) \
185 .parent = TYPE_TRICORE_CPU, \
186 .instance_init = initfn, \
187 .name = TRICORE_CPU_TYPE_NAME(cpu_model), \
190 static const TypeInfo tricore_cpu_type_infos
[] = {
192 .name
= TYPE_TRICORE_CPU
,
194 .instance_size
= sizeof(TriCoreCPU
),
195 .instance_init
= tricore_cpu_initfn
,
197 .class_size
= sizeof(TriCoreCPUClass
),
198 .class_init
= tricore_cpu_class_init
,
200 DEFINE_TRICORE_CPU_TYPE("tc1796", tc1796_initfn
),
201 DEFINE_TRICORE_CPU_TYPE("tc1797", tc1797_initfn
),
202 DEFINE_TRICORE_CPU_TYPE("tc27x", tc27x_initfn
),
205 DEFINE_TYPES(tricore_cpu_type_infos
)