diff options
Diffstat (limited to 'qemu/target-tricore/cpu.c')
| -rw-r--r-- | qemu/target-tricore/cpu.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/qemu/target-tricore/cpu.c b/qemu/target-tricore/cpu.c deleted file mode 100644 index 69fca8c06..000000000 --- a/qemu/target-tricore/cpu.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * TriCore emulation for qemu: main translation routines. - * - * Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "cpu.h" -#include "qemu-common.h" - -static inline void set_feature(CPUTriCoreState *env, int feature) -{ - env->features |= 1ULL << feature; -} - -static void tricore_cpu_set_pc(CPUState *cs, vaddr value) -{ - TriCoreCPU *cpu = TRICORE_CPU(cs); - CPUTriCoreState *env = &cpu->env; - - env->PC = value & ~(target_ulong)1; -} - -static void tricore_cpu_synchronize_from_tb(CPUState *cs, - TranslationBlock *tb) -{ - TriCoreCPU *cpu = TRICORE_CPU(cs); - CPUTriCoreState *env = &cpu->env; - - env->PC = tb->pc; -} - -static void tricore_cpu_reset(CPUState *s) -{ - TriCoreCPU *cpu = TRICORE_CPU(s); - TriCoreCPUClass *tcc = TRICORE_CPU_GET_CLASS(cpu); - CPUTriCoreState *env = &cpu->env; - - tcc->parent_reset(s); - - tlb_flush(s, 1); - - cpu_state_reset(env); -} - -static bool tricore_cpu_has_work(CPUState *cs) -{ - return true; -} - -static void tricore_cpu_realizefn(DeviceState *dev, Error **errp) -{ - CPUState *cs = CPU(dev); - TriCoreCPU *cpu = TRICORE_CPU(dev); - TriCoreCPUClass *tcc = TRICORE_CPU_GET_CLASS(dev); - CPUTriCoreState *env = &cpu->env; - - /* Some features automatically imply others */ - if (tricore_feature(env, TRICORE_FEATURE_161)) { - set_feature(env, TRICORE_FEATURE_16); - } - - if (tricore_feature(env, TRICORE_FEATURE_16)) { - set_feature(env, TRICORE_FEATURE_131); - } - if (tricore_feature(env, TRICORE_FEATURE_131)) { - set_feature(env, TRICORE_FEATURE_13); - } - cpu_reset(cs); - qemu_init_vcpu(cs); - - tcc->parent_realize(dev, errp); -} - - -static void tricore_cpu_initfn(Object *obj) -{ - CPUState *cs = CPU(obj); - TriCoreCPU *cpu = TRICORE_CPU(obj); - CPUTriCoreState *env = &cpu->env; - - cs->env_ptr = env; - cpu_exec_init(cs, &error_abort); - - if (tcg_enabled()) { - tricore_tcg_init(); - } -} - -static ObjectClass *tricore_cpu_class_by_name(const char *cpu_model) -{ - ObjectClass *oc; - char *typename; - - if (!cpu_model) { - return NULL; - } - - typename = g_strdup_printf("%s-" TYPE_TRICORE_CPU, cpu_model); - oc = object_class_by_name(typename); - g_free(typename); - if (!oc || !object_class_dynamic_cast(oc, TYPE_TRICORE_CPU) || - object_class_is_abstract(oc)) { - return NULL; - } - return oc; -} - -static void tc1796_initfn(Object *obj) -{ - TriCoreCPU *cpu = TRICORE_CPU(obj); - - set_feature(&cpu->env, TRICORE_FEATURE_13); -} - -static void tc1797_initfn(Object *obj) -{ - TriCoreCPU *cpu = TRICORE_CPU(obj); - - set_feature(&cpu->env, TRICORE_FEATURE_131); -} - -static void tc27x_initfn(Object *obj) -{ - TriCoreCPU *cpu = TRICORE_CPU(obj); - - set_feature(&cpu->env, TRICORE_FEATURE_161); -} - -typedef struct TriCoreCPUInfo { - const char *name; - void (*initfn)(Object *obj); - void (*class_init)(ObjectClass *oc, void *data); -} TriCoreCPUInfo; - -static const TriCoreCPUInfo tricore_cpus[] = { - { .name = "tc1796", .initfn = tc1796_initfn }, - { .name = "tc1797", .initfn = tc1797_initfn }, - { .name = "tc27x", .initfn = tc27x_initfn }, - { .name = NULL } -}; - -static void tricore_cpu_class_init(ObjectClass *c, void *data) -{ - TriCoreCPUClass *mcc = TRICORE_CPU_CLASS(c); - CPUClass *cc = CPU_CLASS(c); - DeviceClass *dc = DEVICE_CLASS(c); - - mcc->parent_realize = dc->realize; - dc->realize = tricore_cpu_realizefn; - - mcc->parent_reset = cc->reset; - cc->reset = tricore_cpu_reset; - cc->class_by_name = tricore_cpu_class_by_name; - cc->has_work = tricore_cpu_has_work; - - cc->dump_state = tricore_cpu_dump_state; - cc->set_pc = tricore_cpu_set_pc; - cc->synchronize_from_tb = tricore_cpu_synchronize_from_tb; - - /* - * Reason: tricore_cpu_initfn() calls cpu_exec_init(), which saves - * the object in cpus -> dangling pointer after final - * object_unref(). - */ - dc->cannot_destroy_with_object_finalize_yet = true; -} - -static void cpu_register(const TriCoreCPUInfo *info) -{ - TypeInfo type_info = { - .parent = TYPE_TRICORE_CPU, - .instance_size = sizeof(TriCoreCPU), - .instance_init = info->initfn, - .class_size = sizeof(TriCoreCPUClass), - .class_init = info->class_init, - }; - - type_info.name = g_strdup_printf("%s-" TYPE_TRICORE_CPU, info->name); - type_register(&type_info); - g_free((void *)type_info.name); -} - -static const TypeInfo tricore_cpu_type_info = { - .name = TYPE_TRICORE_CPU, - .parent = TYPE_CPU, - .instance_size = sizeof(TriCoreCPU), - .instance_init = tricore_cpu_initfn, - .abstract = true, - .class_size = sizeof(TriCoreCPUClass), - .class_init = tricore_cpu_class_init, -}; - -static void tricore_cpu_register_types(void) -{ - const TriCoreCPUInfo *info = tricore_cpus; - - type_register_static(&tricore_cpu_type_info); - - while (info->name) { - cpu_register(info); - info++; - } -} - -type_init(tricore_cpu_register_types) |