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-rw-r--r--target-alpha/cpu.c178
-rw-r--r--target-alpha/cpu.h2
-rw-r--r--target-alpha/translate.c58
3 files changed, 180 insertions, 58 deletions
diff --git a/target-alpha/cpu.c b/target-alpha/cpu.c
index 11a19eb..a5a98d0 100644
--- a/target-alpha/cpu.c
+++ b/target-alpha/cpu.c
@@ -21,8 +21,175 @@
#include "cpu.h"
#include "qemu-common.h"
+#include "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
+}
+
+/* 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 +198,8 @@ 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 +215,20 @@ 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)
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h
index e1d7715..0d08458 100644
--- a/target-alpha/cpu.h
+++ b/target-alpha/cpu.h
@@ -425,6 +425,8 @@ enum {
IR_ZERO = 31,
};
+void alpha_translate_init(void);
+
AlphaCPU *cpu_alpha_init(const char *cpu_model);
static inline CPUAlphaState *cpu_init(const char *cpu_model)
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 6f41ef7..dc0c97c 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -90,7 +90,7 @@ static char cpu_reg_names[10*4+21*5 + 10*5+21*6];
#include "gen-icount.h"
-static void alpha_translate_init(void)
+void alpha_translate_init(void)
{
int i;
char *p;
@@ -3493,62 +3493,6 @@ void gen_intermediate_code_pc (CPUAlphaState *env, struct TranslationBlock *tb)
gen_intermediate_code_internal(env, tb, 1);
}
-struct cpu_def_t {
- const char *name;
- int implver, amask;
-};
-
-static const struct cpu_def_t cpu_defs[] = {
- { "ev4", IMPLVER_2106x, 0 },
- { "ev5", IMPLVER_21164, 0 },
- { "ev56", IMPLVER_21164, AMASK_BWX },
- { "pca56", IMPLVER_21164, AMASK_BWX | AMASK_MVI },
- { "ev6", IMPLVER_21264, AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP },
- { "ev67", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
- | AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), },
- { "ev68", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
- | AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), },
- { "21064", IMPLVER_2106x, 0 },
- { "21164", IMPLVER_21164, 0 },
- { "21164a", IMPLVER_21164, AMASK_BWX },
- { "21164pc", IMPLVER_21164, AMASK_BWX | AMASK_MVI },
- { "21264", IMPLVER_21264, AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP },
- { "21264a", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
- | AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), }
-};
-
-AlphaCPU *cpu_alpha_init(const char *cpu_model)
-{
- AlphaCPU *cpu;
- CPUAlphaState *env;
- int implver, amask, i, max;
-
- cpu = ALPHA_CPU(object_new(TYPE_ALPHA_CPU));
- env = &cpu->env;
-
- alpha_translate_init();
-
- /* Default to ev67; no reason not to emulate insns by default. */
- implver = IMPLVER_21264;
- amask = (AMASK_BWX | AMASK_FIX | AMASK_CIX | AMASK_MVI
- | AMASK_TRAP | AMASK_PREFETCH);
-
- max = ARRAY_SIZE(cpu_defs);
- for (i = 0; i < max; i++) {
- if (strcmp (cpu_model, cpu_defs[i].name) == 0) {
- implver = cpu_defs[i].implver;
- amask = cpu_defs[i].amask;
- break;
- }
- }
- env->implver = implver;
- env->amask = amask;
- env->cpu_model_str = cpu_model;
-
- qemu_init_vcpu(env);
- return cpu;
-}
-
void restore_state_to_opc(CPUAlphaState *env, TranslationBlock *tb, int pc_pos)
{
env->pc = tcg_ctx.gen_opc_pc[pc_pos];
generated by cgit v1.1 at 2024-12-27 07:48:46 +0000