diff options
Diffstat (limited to 'target-sh4/cpu.c')
| -rw-r--r-- | target-sh4/cpu.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/target-sh4/cpu.c b/target-sh4/cpu.c deleted file mode 100644 index a38f6a6ded..0000000000 --- a/target-sh4/cpu.c +++ /dev/null @@ -1,332 +0,0 @@ -/* - * QEMU SuperH CPU - * - * Copyright (c) 2005 Samuel Tardieu - * Copyright (c) 2012 SUSE LINUX Products GmbH - * - * 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 Lesser General Public - * License along with this library; if not, see - * <http://www.gnu.org/licenses/lgpl-2.1.html> - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "cpu.h" -#include "qemu-common.h" -#include "migration/vmstate.h" -#include "exec/exec-all.h" - - -static void superh_cpu_set_pc(CPUState *cs, vaddr value) -{ - SuperHCPU *cpu = SUPERH_CPU(cs); - - cpu->env.pc = value; -} - -static void superh_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb) -{ - SuperHCPU *cpu = SUPERH_CPU(cs); - - cpu->env.pc = tb->pc; - cpu->env.flags = tb->flags; -} - -static bool superh_cpu_has_work(CPUState *cs) -{ - return cs->interrupt_request & CPU_INTERRUPT_HARD; -} - -/* CPUClass::reset() */ -static void superh_cpu_reset(CPUState *s) -{ - SuperHCPU *cpu = SUPERH_CPU(s); - SuperHCPUClass *scc = SUPERH_CPU_GET_CLASS(cpu); - CPUSH4State *env = &cpu->env; - - scc->parent_reset(s); - - memset(env, 0, offsetof(CPUSH4State, id)); - tlb_flush(s, 1); - - env->pc = 0xA0000000; -#if defined(CONFIG_USER_ONLY) - env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */ - set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */ -#else - env->sr = (1u << SR_MD) | (1u << SR_RB) | (1u << SR_BL) | - (1u << SR_I3) | (1u << SR_I2) | (1u << SR_I1) | (1u << SR_I0); - env->fpscr = FPSCR_DN | FPSCR_RM_ZERO; /* CPU reset value according to SH4 manual */ - set_float_rounding_mode(float_round_to_zero, &env->fp_status); - set_flush_to_zero(1, &env->fp_status); -#endif - set_default_nan_mode(1, &env->fp_status); - set_snan_bit_is_one(1, &env->fp_status); -} - -static void superh_cpu_disas_set_info(CPUState *cpu, disassemble_info *info) -{ - info->mach = bfd_mach_sh4; - info->print_insn = print_insn_sh; -} - -typedef struct SuperHCPUListState { - fprintf_function cpu_fprintf; - FILE *file; -} SuperHCPUListState; - -/* Sort alphabetically by type name. */ -static gint superh_cpu_list_compare(gconstpointer a, gconstpointer b) -{ - ObjectClass *class_a = (ObjectClass *)a; - ObjectClass *class_b = (ObjectClass *)b; - const char *name_a, *name_b; - - name_a = object_class_get_name(class_a); - name_b = object_class_get_name(class_b); - return strcmp(name_a, name_b); -} - -static void superh_cpu_list_entry(gpointer data, gpointer user_data) -{ - ObjectClass *oc = data; - SuperHCPUClass *scc = SUPERH_CPU_CLASS(oc); - SuperHCPUListState *s = user_data; - - (*s->cpu_fprintf)(s->file, "%s\n", - scc->name); -} - -void sh4_cpu_list(FILE *f, fprintf_function cpu_fprintf) -{ - SuperHCPUListState s = { - .cpu_fprintf = cpu_fprintf, - .file = f, - }; - GSList *list; - - list = object_class_get_list(TYPE_SUPERH_CPU, false); - list = g_slist_sort(list, superh_cpu_list_compare); - g_slist_foreach(list, superh_cpu_list_entry, &s); - g_slist_free(list); -} - -static gint superh_cpu_name_compare(gconstpointer a, gconstpointer b) -{ - const SuperHCPUClass *scc = SUPERH_CPU_CLASS(a); - const char *name = b; - - return strcasecmp(scc->name, name); -} - -static ObjectClass *superh_cpu_class_by_name(const char *cpu_model) -{ - ObjectClass *oc; - GSList *list, *item; - - if (cpu_model == NULL) { - return NULL; - } - if (strcasecmp(cpu_model, "any") == 0) { - return object_class_by_name(TYPE_SH7750R_CPU); - } - - oc = object_class_by_name(cpu_model); - if (oc != NULL && object_class_dynamic_cast(oc, TYPE_SUPERH_CPU) != NULL - && !object_class_is_abstract(oc)) { - return oc; - } - - oc = NULL; - list = object_class_get_list(TYPE_SUPERH_CPU, false); - item = g_slist_find_custom(list, cpu_model, superh_cpu_name_compare); - if (item != NULL) { - oc = item->data; - } - g_slist_free(list); - return oc; -} - -SuperHCPU *cpu_sh4_init(const char *cpu_model) -{ - return SUPERH_CPU(cpu_generic_init(TYPE_SUPERH_CPU, cpu_model)); -} - -static void sh7750r_cpu_initfn(Object *obj) -{ - SuperHCPU *cpu = SUPERH_CPU(obj); - CPUSH4State *env = &cpu->env; - - env->id = SH_CPU_SH7750R; - env->features = SH_FEATURE_BCR3_AND_BCR4; -} - -static void sh7750r_class_init(ObjectClass *oc, void *data) -{ - SuperHCPUClass *scc = SUPERH_CPU_CLASS(oc); - - scc->name = "SH7750R"; - scc->pvr = 0x00050000; - scc->prr = 0x00000100; - scc->cvr = 0x00110000; -} - -static const TypeInfo sh7750r_type_info = { - .name = TYPE_SH7750R_CPU, - .parent = TYPE_SUPERH_CPU, - .class_init = sh7750r_class_init, - .instance_init = sh7750r_cpu_initfn, -}; - -static void sh7751r_cpu_initfn(Object *obj) -{ - SuperHCPU *cpu = SUPERH_CPU(obj); - CPUSH4State *env = &cpu->env; - - env->id = SH_CPU_SH7751R; - env->features = SH_FEATURE_BCR3_AND_BCR4; -} - -static void sh7751r_class_init(ObjectClass *oc, void *data) -{ - SuperHCPUClass *scc = SUPERH_CPU_CLASS(oc); - - scc->name = "SH7751R"; - scc->pvr = 0x04050005; - scc->prr = 0x00000113; - scc->cvr = 0x00110000; /* Neutered caches, should be 0x20480000 */ -} - -static const TypeInfo sh7751r_type_info = { - .name = TYPE_SH7751R_CPU, - .parent = TYPE_SUPERH_CPU, - .class_init = sh7751r_class_init, - .instance_init = sh7751r_cpu_initfn, -}; - -static void sh7785_cpu_initfn(Object *obj) -{ - SuperHCPU *cpu = SUPERH_CPU(obj); - CPUSH4State *env = &cpu->env; - - env->id = SH_CPU_SH7785; - env->features = SH_FEATURE_SH4A; -} - -static void sh7785_class_init(ObjectClass *oc, void *data) -{ - SuperHCPUClass *scc = SUPERH_CPU_CLASS(oc); - - scc->name = "SH7785"; - scc->pvr = 0x10300700; - scc->prr = 0x00000200; - scc->cvr = 0x71440211; -} - -static const TypeInfo sh7785_type_info = { - .name = TYPE_SH7785_CPU, - .parent = TYPE_SUPERH_CPU, - .class_init = sh7785_class_init, - .instance_init = sh7785_cpu_initfn, -}; - -static void superh_cpu_realizefn(DeviceState *dev, Error **errp) -{ - CPUState *cs = CPU(dev); - SuperHCPUClass *scc = SUPERH_CPU_GET_CLASS(dev); - Error *local_err = NULL; - - cpu_exec_realizefn(cs, &local_err); - if (local_err != NULL) { - error_propagate(errp, local_err); - return; - } - - cpu_reset(cs); - qemu_init_vcpu(cs); - - scc->parent_realize(dev, errp); -} - -static void superh_cpu_initfn(Object *obj) -{ - CPUState *cs = CPU(obj); - SuperHCPU *cpu = SUPERH_CPU(obj); - CPUSH4State *env = &cpu->env; - - cs->env_ptr = env; - - env->movcal_backup_tail = &(env->movcal_backup); - - if (tcg_enabled()) { - sh4_translate_init(); - } -} - -static const VMStateDescription vmstate_sh_cpu = { - .name = "cpu", - .unmigratable = 1, -}; - -static void superh_cpu_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - CPUClass *cc = CPU_CLASS(oc); - SuperHCPUClass *scc = SUPERH_CPU_CLASS(oc); - - scc->parent_realize = dc->realize; - dc->realize = superh_cpu_realizefn; - - scc->parent_reset = cc->reset; - cc->reset = superh_cpu_reset; - - cc->class_by_name = superh_cpu_class_by_name; - cc->has_work = superh_cpu_has_work; - cc->do_interrupt = superh_cpu_do_interrupt; - cc->cpu_exec_interrupt = superh_cpu_exec_interrupt; - cc->dump_state = superh_cpu_dump_state; - cc->set_pc = superh_cpu_set_pc; - cc->synchronize_from_tb = superh_cpu_synchronize_from_tb; - cc->gdb_read_register = superh_cpu_gdb_read_register; - cc->gdb_write_register = superh_cpu_gdb_write_register; -#ifdef CONFIG_USER_ONLY - cc->handle_mmu_fault = superh_cpu_handle_mmu_fault; -#else - cc->get_phys_page_debug = superh_cpu_get_phys_page_debug; -#endif - cc->disas_set_info = superh_cpu_disas_set_info; - - cc->gdb_num_core_regs = 59; - - dc->vmsd = &vmstate_sh_cpu; -} - -static const TypeInfo superh_cpu_type_info = { - .name = TYPE_SUPERH_CPU, - .parent = TYPE_CPU, - .instance_size = sizeof(SuperHCPU), - .instance_init = superh_cpu_initfn, - .abstract = true, - .class_size = sizeof(SuperHCPUClass), - .class_init = superh_cpu_class_init, -}; - -static void superh_cpu_register_types(void) -{ - type_register_static(&superh_cpu_type_info); - type_register_static(&sh7750r_type_info); - type_register_static(&sh7751r_type_info); - type_register_static(&sh7785_type_info); -} - -type_init(superh_cpu_register_types) |