diff options
Diffstat (limited to 'target-unicore32/cpu.c')
| -rw-r--r-- | target-unicore32/cpu.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/target-unicore32/cpu.c b/target-unicore32/cpu.c deleted file mode 100644 index c169972b59..0000000000 --- a/target-unicore32/cpu.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * QEMU UniCore32 CPU - * - * Copyright (c) 2010-2012 Guan Xuetao - * Copyright (c) 2012 SUSE LINUX Products GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Contributions from 2012-04-01 on are considered under GPL version 2, - * or (at your option) any later version. - */ - -#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 uc32_cpu_set_pc(CPUState *cs, vaddr value) -{ - UniCore32CPU *cpu = UNICORE32_CPU(cs); - - cpu->env.regs[31] = value; -} - -static bool uc32_cpu_has_work(CPUState *cs) -{ - return cs->interrupt_request & - (CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB); -} - -static inline void set_feature(CPUUniCore32State *env, int feature) -{ - env->features |= feature; -} - -/* CPU models */ - -static ObjectClass *uc32_cpu_class_by_name(const char *cpu_model) -{ - ObjectClass *oc; - char *typename; - - if (cpu_model == NULL) { - return NULL; - } - - typename = g_strdup_printf("%s-" TYPE_UNICORE32_CPU, cpu_model); - oc = object_class_by_name(typename); - g_free(typename); - if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_UNICORE32_CPU) || - object_class_is_abstract(oc))) { - oc = NULL; - } - return oc; -} - -typedef struct UniCore32CPUInfo { - const char *name; - void (*instance_init)(Object *obj); -} UniCore32CPUInfo; - -static void unicore_ii_cpu_initfn(Object *obj) -{ - UniCore32CPU *cpu = UNICORE32_CPU(obj); - CPUUniCore32State *env = &cpu->env; - - env->cp0.c0_cpuid = 0x4d000863; - env->cp0.c0_cachetype = 0x0d152152; - env->cp0.c1_sys = 0x2000; - env->cp0.c2_base = 0x0; - env->cp0.c3_faultstatus = 0x0; - env->cp0.c4_faultaddr = 0x0; - env->ucf64.xregs[UC32_UCF64_FPSCR] = 0; - - set_feature(env, UC32_HWCAP_CMOV); - set_feature(env, UC32_HWCAP_UCF64); - set_snan_bit_is_one(1, &env->ucf64.fp_status); -} - -static void uc32_any_cpu_initfn(Object *obj) -{ - UniCore32CPU *cpu = UNICORE32_CPU(obj); - CPUUniCore32State *env = &cpu->env; - - env->cp0.c0_cpuid = 0xffffffff; - env->ucf64.xregs[UC32_UCF64_FPSCR] = 0; - - set_feature(env, UC32_HWCAP_CMOV); - set_feature(env, UC32_HWCAP_UCF64); - set_snan_bit_is_one(1, &env->ucf64.fp_status); -} - -static const UniCore32CPUInfo uc32_cpus[] = { - { .name = "UniCore-II", .instance_init = unicore_ii_cpu_initfn }, - { .name = "any", .instance_init = uc32_any_cpu_initfn }, -}; - -static void uc32_cpu_realizefn(DeviceState *dev, Error **errp) -{ - CPUState *cs = CPU(dev); - UniCore32CPUClass *ucc = UNICORE32_CPU_GET_CLASS(dev); - Error *local_err = NULL; - - cpu_exec_realizefn(cs, &local_err); - if (local_err != NULL) { - error_propagate(errp, local_err); - return; - } - - qemu_init_vcpu(cs); - - ucc->parent_realize(dev, errp); -} - -static void uc32_cpu_initfn(Object *obj) -{ - CPUState *cs = CPU(obj); - UniCore32CPU *cpu = UNICORE32_CPU(obj); - CPUUniCore32State *env = &cpu->env; - static bool inited; - - cs->env_ptr = env; - -#ifdef CONFIG_USER_ONLY - env->uncached_asr = ASR_MODE_USER; - env->regs[31] = 0; -#else - env->uncached_asr = ASR_MODE_PRIV; - env->regs[31] = 0x03000000; -#endif - - tlb_flush(cs, 1); - - if (tcg_enabled() && !inited) { - inited = true; - uc32_translate_init(); - } -} - -static const VMStateDescription vmstate_uc32_cpu = { - .name = "cpu", - .unmigratable = 1, -}; - -static void uc32_cpu_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - CPUClass *cc = CPU_CLASS(oc); - UniCore32CPUClass *ucc = UNICORE32_CPU_CLASS(oc); - - ucc->parent_realize = dc->realize; - dc->realize = uc32_cpu_realizefn; - - cc->class_by_name = uc32_cpu_class_by_name; - cc->has_work = uc32_cpu_has_work; - cc->do_interrupt = uc32_cpu_do_interrupt; - cc->cpu_exec_interrupt = uc32_cpu_exec_interrupt; - cc->dump_state = uc32_cpu_dump_state; - cc->set_pc = uc32_cpu_set_pc; -#ifdef CONFIG_USER_ONLY - cc->handle_mmu_fault = uc32_cpu_handle_mmu_fault; -#else - cc->get_phys_page_debug = uc32_cpu_get_phys_page_debug; -#endif - dc->vmsd = &vmstate_uc32_cpu; -} - -static void uc32_register_cpu_type(const UniCore32CPUInfo *info) -{ - TypeInfo type_info = { - .parent = TYPE_UNICORE32_CPU, - .instance_init = info->instance_init, - }; - - type_info.name = g_strdup_printf("%s-" TYPE_UNICORE32_CPU, info->name); - type_register(&type_info); - g_free((void *)type_info.name); -} - -static const TypeInfo uc32_cpu_type_info = { - .name = TYPE_UNICORE32_CPU, - .parent = TYPE_CPU, - .instance_size = sizeof(UniCore32CPU), - .instance_init = uc32_cpu_initfn, - .abstract = true, - .class_size = sizeof(UniCore32CPUClass), - .class_init = uc32_cpu_class_init, -}; - -static void uc32_cpu_register_types(void) -{ - int i; - - type_register_static(&uc32_cpu_type_info); - for (i = 0; i < ARRAY_SIZE(uc32_cpus); i++) { - uc32_register_cpu_type(&uc32_cpus[i]); - } -} - -type_init(uc32_cpu_register_types) |