diff options
Diffstat (limited to 'target-alpha/cpu.c')
| -rw-r--r-- | target-alpha/cpu.c | 214 |
1 files changed, 213 insertions, 1 deletions
diff --git a/target-alpha/cpu.c b/target-alpha/cpu.c index 11a19ebc87..212a6250ba 100644 --- a/target-alpha/cpu.c +++ b/target-alpha/cpu.c @@ -21,8 +21,211 @@ #include "cpu.h" #include "qemu-common.h" +#include "qapi/error.h" +static void alpha_cpu_realize(Object *obj, Error **errp) +{ +#ifndef CONFIG_USER_ONLY + AlphaCPU *cpu = ALPHA_CPU(obj); + + qemu_init_vcpu(&cpu->env); +#endif +} + +/* Sort alphabetically by type name. */ +static gint alpha_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 alpha_cpu_list_entry(gpointer data, gpointer user_data) +{ + ObjectClass *oc = data; + CPUListState *s = user_data; + + (*s->cpu_fprintf)(s->file, " %s\n", + object_class_get_name(oc)); +} + +void alpha_cpu_list(FILE *f, fprintf_function cpu_fprintf) +{ + CPUListState s = { + .file = f, + .cpu_fprintf = cpu_fprintf, + }; + GSList *list; + + list = object_class_get_list(TYPE_ALPHA_CPU, false); + list = g_slist_sort(list, alpha_cpu_list_compare); + (*cpu_fprintf)(f, "Available CPUs:\n"); + g_slist_foreach(list, alpha_cpu_list_entry, &s); + g_slist_free(list); +} + +/* Models */ + +#define TYPE(model) model "-" TYPE_ALPHA_CPU + +typedef struct AlphaCPUAlias { + const char *alias; + const char *typename; +} AlphaCPUAlias; + +static const AlphaCPUAlias alpha_cpu_aliases[] = { + { "21064", TYPE("ev4") }, + { "21164", TYPE("ev5") }, + { "21164a", TYPE("ev56") }, + { "21164pc", TYPE("pca56") }, + { "21264", TYPE("ev6") }, + { "21264a", TYPE("ev67") }, +}; + +static ObjectClass *alpha_cpu_class_by_name(const char *cpu_model) +{ + ObjectClass *oc = NULL; + char *typename; + int i; + + if (cpu_model == NULL) { + return NULL; + } + + oc = object_class_by_name(cpu_model); + if (oc != NULL) { + return oc; + } + + for (i = 0; i < ARRAY_SIZE(alpha_cpu_aliases); i++) { + if (strcmp(cpu_model, alpha_cpu_aliases[i].alias) == 0) { + oc = object_class_by_name(alpha_cpu_aliases[i].typename); + assert(oc != NULL); + return oc; + } + } + + typename = g_strdup_printf("%s-" TYPE_ALPHA_CPU, cpu_model); + oc = object_class_by_name(typename); + g_free(typename); + return oc; +} + +AlphaCPU *cpu_alpha_init(const char *cpu_model) +{ + AlphaCPU *cpu; + CPUAlphaState *env; + ObjectClass *cpu_class; + + cpu_class = alpha_cpu_class_by_name(cpu_model); + if (cpu_class == NULL) { + /* Default to ev67; no reason not to emulate insns by default. */ + cpu_class = object_class_by_name(TYPE("ev67")); + } + cpu = ALPHA_CPU(object_new(object_class_get_name(cpu_class))); + env = &cpu->env; + + env->cpu_model_str = cpu_model; + + alpha_cpu_realize(OBJECT(cpu), NULL); + return cpu; +} + +static void ev4_cpu_initfn(Object *obj) +{ + AlphaCPU *cpu = ALPHA_CPU(obj); + CPUAlphaState *env = &cpu->env; + + env->implver = IMPLVER_2106x; +} + +static const TypeInfo ev4_cpu_type_info = { + .name = TYPE("ev4"), + .parent = TYPE_ALPHA_CPU, + .instance_init = ev4_cpu_initfn, +}; + +static void ev5_cpu_initfn(Object *obj) +{ + AlphaCPU *cpu = ALPHA_CPU(obj); + CPUAlphaState *env = &cpu->env; + + env->implver = IMPLVER_21164; +} + +static const TypeInfo ev5_cpu_type_info = { + .name = TYPE("ev5"), + .parent = TYPE_ALPHA_CPU, + .instance_init = ev5_cpu_initfn, +}; + +static void ev56_cpu_initfn(Object *obj) +{ + AlphaCPU *cpu = ALPHA_CPU(obj); + CPUAlphaState *env = &cpu->env; + + env->amask |= AMASK_BWX; +} + +static const TypeInfo ev56_cpu_type_info = { + .name = TYPE("ev56"), + .parent = TYPE("ev5"), + .instance_init = ev56_cpu_initfn, +}; + +static void pca56_cpu_initfn(Object *obj) +{ + AlphaCPU *cpu = ALPHA_CPU(obj); + CPUAlphaState *env = &cpu->env; + + env->amask |= AMASK_MVI; +} + +static const TypeInfo pca56_cpu_type_info = { + .name = TYPE("pca56"), + .parent = TYPE("ev56"), + .instance_init = pca56_cpu_initfn, +}; + +static void ev6_cpu_initfn(Object *obj) +{ + AlphaCPU *cpu = ALPHA_CPU(obj); + CPUAlphaState *env = &cpu->env; + + env->implver = IMPLVER_21264; + env->amask = AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP; +} + +static const TypeInfo ev6_cpu_type_info = { + .name = TYPE("ev6"), + .parent = TYPE_ALPHA_CPU, + .instance_init = ev6_cpu_initfn, +}; + +static void ev67_cpu_initfn(Object *obj) +{ + AlphaCPU *cpu = ALPHA_CPU(obj); + CPUAlphaState *env = &cpu->env; + + env->amask |= AMASK_CIX | AMASK_PREFETCH; +} + +static const TypeInfo ev67_cpu_type_info = { + .name = TYPE("ev67"), + .parent = TYPE("ev6"), + .instance_init = ev67_cpu_initfn, +}; + +static const TypeInfo ev68_cpu_type_info = { + .name = TYPE("ev68"), + .parent = TYPE("ev67"), +}; + static void alpha_cpu_initfn(Object *obj) { AlphaCPU *cpu = ALPHA_CPU(obj); @@ -31,6 +234,8 @@ static void alpha_cpu_initfn(Object *obj) cpu_exec_init(env); tlb_flush(env, 1); + alpha_translate_init(); + #if defined(CONFIG_USER_ONLY) env->ps = PS_USER_MODE; cpu_alpha_store_fpcr(env, (FPCR_INVD | FPCR_DZED | FPCR_OVFD @@ -46,13 +251,20 @@ static const TypeInfo alpha_cpu_type_info = { .parent = TYPE_CPU, .instance_size = sizeof(AlphaCPU), .instance_init = alpha_cpu_initfn, - .abstract = false, + .abstract = true, .class_size = sizeof(AlphaCPUClass), }; static void alpha_cpu_register_types(void) { type_register_static(&alpha_cpu_type_info); + type_register_static(&ev4_cpu_type_info); + type_register_static(&ev5_cpu_type_info); + type_register_static(&ev56_cpu_type_info); + type_register_static(&pca56_cpu_type_info); + type_register_static(&ev6_cpu_type_info); + type_register_static(&ev67_cpu_type_info); + type_register_static(&ev68_cpu_type_info); } type_init(alpha_cpu_register_types) |