diff options
Diffstat (limited to 'qemu/target-moxie/cpu.c')
| -rw-r--r-- | qemu/target-moxie/cpu.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/qemu/target-moxie/cpu.c b/qemu/target-moxie/cpu.c deleted file mode 100644 index b4ee84e90..000000000 --- a/qemu/target-moxie/cpu.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * QEMU Moxie CPU - * - * Copyright (c) 2013 Anthony Green - * - * 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 2.1 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 General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "cpu.h" -#include "qemu-common.h" -#include "migration/vmstate.h" -#include "machine.h" - -static void moxie_cpu_set_pc(CPUState *cs, vaddr value) -{ - MoxieCPU *cpu = MOXIE_CPU(cs); - - cpu->env.pc = value; -} - -static bool moxie_cpu_has_work(CPUState *cs) -{ - return cs->interrupt_request & CPU_INTERRUPT_HARD; -} - -static void moxie_cpu_reset(CPUState *s) -{ - MoxieCPU *cpu = MOXIE_CPU(s); - MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(cpu); - CPUMoxieState *env = &cpu->env; - - mcc->parent_reset(s); - - memset(env, 0, sizeof(CPUMoxieState)); - env->pc = 0x1000; - - tlb_flush(s, 1); -} - -static void moxie_cpu_disas_set_info(CPUState *cpu, disassemble_info *info) -{ - info->mach = bfd_arch_moxie; - info->print_insn = print_insn_moxie; -} - -static void moxie_cpu_realizefn(DeviceState *dev, Error **errp) -{ - CPUState *cs = CPU(dev); - MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(dev); - - qemu_init_vcpu(cs); - cpu_reset(cs); - - mcc->parent_realize(dev, errp); -} - -static void moxie_cpu_initfn(Object *obj) -{ - CPUState *cs = CPU(obj); - MoxieCPU *cpu = MOXIE_CPU(obj); - static int inited; - - cs->env_ptr = &cpu->env; - cpu_exec_init(cs, &error_abort); - - if (tcg_enabled() && !inited) { - inited = 1; - moxie_translate_init(); - } -} - -static ObjectClass *moxie_cpu_class_by_name(const char *cpu_model) -{ - ObjectClass *oc; - - if (cpu_model == NULL) { - return NULL; - } - - oc = object_class_by_name(cpu_model); - if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_MOXIE_CPU) || - object_class_is_abstract(oc))) { - return NULL; - } - return oc; -} - -static void moxie_cpu_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - CPUClass *cc = CPU_CLASS(oc); - MoxieCPUClass *mcc = MOXIE_CPU_CLASS(oc); - - mcc->parent_realize = dc->realize; - dc->realize = moxie_cpu_realizefn; - - mcc->parent_reset = cc->reset; - cc->reset = moxie_cpu_reset; - - cc->class_by_name = moxie_cpu_class_by_name; - - cc->has_work = moxie_cpu_has_work; - cc->do_interrupt = moxie_cpu_do_interrupt; - cc->dump_state = moxie_cpu_dump_state; - cc->set_pc = moxie_cpu_set_pc; -#ifdef CONFIG_USER_ONLY - cc->handle_mmu_fault = moxie_cpu_handle_mmu_fault; -#else - cc->get_phys_page_debug = moxie_cpu_get_phys_page_debug; - cc->vmsd = &vmstate_moxie_cpu; -#endif - cc->disas_set_info = moxie_cpu_disas_set_info; - - /* - * Reason: moxie_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 moxielite_initfn(Object *obj) -{ - /* Set cpu feature flags */ -} - -static void moxie_any_initfn(Object *obj) -{ - /* Set cpu feature flags */ -} - -typedef struct MoxieCPUInfo { - const char *name; - void (*initfn)(Object *obj); -} MoxieCPUInfo; - -static const MoxieCPUInfo moxie_cpus[] = { - { .name = "MoxieLite", .initfn = moxielite_initfn }, - { .name = "any", .initfn = moxie_any_initfn }, -}; - -MoxieCPU *cpu_moxie_init(const char *cpu_model) -{ - return MOXIE_CPU(cpu_generic_init(TYPE_MOXIE_CPU, cpu_model)); -} - -static void cpu_register(const MoxieCPUInfo *info) -{ - TypeInfo type_info = { - .parent = TYPE_MOXIE_CPU, - .instance_size = sizeof(MoxieCPU), - .instance_init = info->initfn, - .class_size = sizeof(MoxieCPUClass), - }; - - type_info.name = g_strdup_printf("%s-" TYPE_MOXIE_CPU, info->name); - type_register(&type_info); - g_free((void *)type_info.name); -} - -static const TypeInfo moxie_cpu_type_info = { - .name = TYPE_MOXIE_CPU, - .parent = TYPE_CPU, - .instance_size = sizeof(MoxieCPU), - .instance_init = moxie_cpu_initfn, - .class_size = sizeof(MoxieCPUClass), - .class_init = moxie_cpu_class_init, -}; - -static void moxie_cpu_register_types(void) -{ - int i; - type_register_static(&moxie_cpu_type_info); - for (i = 0; i < ARRAY_SIZE(moxie_cpus); i++) { - cpu_register(&moxie_cpus[i]); - } -} - -type_init(moxie_cpu_register_types) |