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author | Andreas Färber <afaerber@suse.de> | 2012-10-15 17:33:32 +0200 |
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committer | Andreas Färber <afaerber@suse.de> | 2012-12-19 01:01:36 +0100 |
commit | 0c28246fcd5ea9ccb22aa93ef2e0af14463fec58 (patch) | |
tree | 1bf5664e1efd1a5d450c2f97d1c974624ec4c8fc /target-alpha | |
parent | c92458538f501eda585b4b774c50644aed391a8a (diff) | |
download | qemu-0c28246fcd5ea9ccb22aa93ef2e0af14463fec58.zip qemu-0c28246fcd5ea9ccb22aa93ef2e0af14463fec58.tar.gz qemu-0c28246fcd5ea9ccb22aa93ef2e0af14463fec58.tar.bz2 |
target-alpha: Turn CPU definitions into subclasses
Make TYPE_ALPHA_CPU abstract and add types <name>-alpha-cpu.
Use type inheritence, and turn "2*" models into aliases.
Move cpu_alpha_init() to cpu.c and split out CPU realization.
Default to creating type "ev67-alpha-cpu" as before.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-alpha')
-rw-r--r-- | target-alpha/cpu.c | 178 | ||||
-rw-r--r-- | target-alpha/cpu.h | 2 | ||||
-rw-r--r-- | target-alpha/translate.c | 58 |
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]; |