From 3a9d0d7b64b72144369f48ef12ef0ed69d633fd6 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Fri, 8 Sep 2023 10:09:23 +0200 Subject: [PATCH] hw/cpu: Call object_class_is_abstract() once in cpu_class_by_name() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Let CPUClass::class_by_name() handlers to return abstract classes, and filter them once in the public cpu_class_by_name() method. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20230908112235.75914-3-philmd@linaro.org> --- hw/core/cpu-common.c | 16 ++++++++++++---- include/hw/core/cpu.h | 7 ++++--- target/alpha/cpu.c | 3 +-- target/arm/cpu.c | 3 +-- target/avr/cpu.c | 3 +-- target/cris/cpu.c | 3 +-- target/hexagon/cpu.c | 3 +-- target/loongarch/cpu.c | 3 +-- target/m68k/cpu.c | 3 +-- target/openrisc/cpu.c | 3 +-- target/riscv/cpu.c | 3 +-- target/rx/cpu.c | 6 +----- target/sh4/cpu.c | 3 --- target/tricore/cpu.c | 3 +-- target/xtensa/cpu.c | 3 +-- 15 files changed, 28 insertions(+), 37 deletions(-) diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c index baa6d28b64..d4112b8919 100644 --- a/hw/core/cpu-common.c +++ b/hw/core/cpu-common.c @@ -146,10 +146,18 @@ static bool cpu_common_has_work(CPUState *cs) ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model) { - CPUClass *cc = CPU_CLASS(object_class_by_name(typename)); - - assert(cpu_model && cc->class_by_name); - return cc->class_by_name(cpu_model); + ObjectClass *oc; + CPUClass *cc; + + oc = object_class_by_name(typename); + cc = CPU_CLASS(oc); + assert(cc->class_by_name); + assert(cpu_model); + oc = cc->class_by_name(cpu_model); + if (oc == NULL || object_class_is_abstract(oc)) { + return NULL; + } + return oc; } static void cpu_common_parse_features(const char *typename, char *features, diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 6373aa4501..5d6f8dca43 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -102,7 +102,7 @@ struct SysemuCPUOps; /** * CPUClass: * @class_by_name: Callback to map -cpu command line model name to an - * instantiatable CPU type. + * instantiatable CPU type. * @parse_features: Callback to parse command line arguments. * @reset_dump_flags: #CPUDumpFlags to use for reset logging. * @has_work: Callback for checking if there is work to do. @@ -772,9 +772,10 @@ void cpu_reset(CPUState *cpu); * @typename: The CPU base type. * @cpu_model: The model string without any parameters. * - * Looks up a CPU #ObjectClass matching name @cpu_model. + * Looks up a concrete CPU #ObjectClass matching name @cpu_model. * - * Returns: A #CPUClass or %NULL if not matching class is found. + * Returns: A concrete #CPUClass or %NULL if no matching class is found + * or if the matching class is abstract. */ ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model); diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c index fae2cb6ec7..39cf841b3e 100644 --- a/target/alpha/cpu.c +++ b/target/alpha/cpu.c @@ -126,8 +126,7 @@ static ObjectClass *alpha_cpu_class_by_name(const char *cpu_model) int i; oc = object_class_by_name(cpu_model); - if (oc != NULL && object_class_dynamic_cast(oc, TYPE_ALPHA_CPU) != NULL && - !object_class_is_abstract(oc)) { + if (oc != NULL && object_class_dynamic_cast(oc, TYPE_ALPHA_CPU) != NULL) { return oc; } diff --git a/target/arm/cpu.c b/target/arm/cpu.c index df6496b019..25e9d2ae7b 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -2401,8 +2401,7 @@ static ObjectClass *arm_cpu_class_by_name(const char *cpu_model) oc = object_class_by_name(typename); g_strfreev(cpuname); g_free(typename); - if (!oc || !object_class_dynamic_cast(oc, TYPE_ARM_CPU) || - object_class_is_abstract(oc)) { + if (!oc || !object_class_dynamic_cast(oc, TYPE_ARM_CPU)) { return NULL; } return oc; diff --git a/target/avr/cpu.c b/target/avr/cpu.c index 14d8b9d1f0..44de1e18d1 100644 --- a/target/avr/cpu.c +++ b/target/avr/cpu.c @@ -157,8 +157,7 @@ static ObjectClass *avr_cpu_class_by_name(const char *cpu_model) ObjectClass *oc; oc = object_class_by_name(cpu_model); - if (object_class_dynamic_cast(oc, TYPE_AVR_CPU) == NULL || - object_class_is_abstract(oc)) { + if (object_class_dynamic_cast(oc, TYPE_AVR_CPU) == NULL) { oc = NULL; } return oc; diff --git a/target/cris/cpu.c b/target/cris/cpu.c index be4a44c218..675b73ac04 100644 --- a/target/cris/cpu.c +++ b/target/cris/cpu.c @@ -95,8 +95,7 @@ static ObjectClass *cris_cpu_class_by_name(const char *cpu_model) typename = g_strdup_printf(CRIS_CPU_TYPE_NAME("%s"), cpu_model); oc = object_class_by_name(typename); g_free(typename); - if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_CRIS_CPU) || - object_class_is_abstract(oc))) { + if (oc != NULL && !object_class_dynamic_cast(oc, TYPE_CRIS_CPU)) { oc = NULL; } return oc; diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c index 1adc11b713..9d1ffc3b4b 100644 --- a/target/hexagon/cpu.c +++ b/target/hexagon/cpu.c @@ -63,8 +63,7 @@ static ObjectClass *hexagon_cpu_class_by_name(const char *cpu_model) oc = object_class_by_name(typename); g_strfreev(cpuname); g_free(typename); - if (!oc || !object_class_dynamic_cast(oc, TYPE_HEXAGON_CPU) || - object_class_is_abstract(oc)) { + if (!oc || !object_class_dynamic_cast(oc, TYPE_HEXAGON_CPU)) { return NULL; } return oc; diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index a60d07acd5..fc075952e6 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -721,8 +721,7 @@ static ObjectClass *loongarch_cpu_class_by_name(const char *cpu_model) } } - if (object_class_dynamic_cast(oc, TYPE_LOONGARCH_CPU) - && !object_class_is_abstract(oc)) { + if (object_class_dynamic_cast(oc, TYPE_LOONGARCH_CPU)) { return oc; } return NULL; diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c index 538d9473c2..11c7e0a790 100644 --- a/target/m68k/cpu.c +++ b/target/m68k/cpu.c @@ -111,8 +111,7 @@ static ObjectClass *m68k_cpu_class_by_name(const char *cpu_model) typename = g_strdup_printf(M68K_CPU_TYPE_NAME("%s"), cpu_model); oc = object_class_by_name(typename); g_free(typename); - if (oc != NULL && (object_class_dynamic_cast(oc, TYPE_M68K_CPU) == NULL || - object_class_is_abstract(oc))) { + if (oc != NULL && object_class_dynamic_cast(oc, TYPE_M68K_CPU) == NULL) { return NULL; } return oc; diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c index f5a3d5273b..1173260017 100644 --- a/target/openrisc/cpu.c +++ b/target/openrisc/cpu.c @@ -164,8 +164,7 @@ static ObjectClass *openrisc_cpu_class_by_name(const char *cpu_model) typename = g_strdup_printf(OPENRISC_CPU_TYPE_NAME("%s"), cpu_model); oc = object_class_by_name(typename); g_free(typename); - if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_OPENRISC_CPU) || - object_class_is_abstract(oc))) { + if (oc != NULL && !object_class_dynamic_cast(oc, TYPE_OPENRISC_CPU)) { return NULL; } return oc; diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 02db2760d1..83c7c0cf07 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -646,8 +646,7 @@ static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model) oc = object_class_by_name(typename); g_strfreev(cpuname); g_free(typename); - if (!oc || !object_class_dynamic_cast(oc, TYPE_RISCV_CPU) || - object_class_is_abstract(oc)) { + if (!oc || !object_class_dynamic_cast(oc, TYPE_RISCV_CPU)) { return NULL; } return oc; diff --git a/target/rx/cpu.c b/target/rx/cpu.c index 4d0d3a0c8c..9cc9d9d15e 100644 --- a/target/rx/cpu.c +++ b/target/rx/cpu.c @@ -111,16 +111,12 @@ static ObjectClass *rx_cpu_class_by_name(const char *cpu_model) char *typename; oc = object_class_by_name(cpu_model); - if (oc != NULL && object_class_dynamic_cast(oc, TYPE_RX_CPU) != NULL && - !object_class_is_abstract(oc)) { + if (oc != NULL && object_class_dynamic_cast(oc, TYPE_RX_CPU) != NULL) { return oc; } typename = g_strdup_printf(RX_CPU_TYPE_NAME("%s"), cpu_model); oc = object_class_by_name(typename); g_free(typename); - if (oc != NULL && object_class_is_abstract(oc)) { - oc = NULL; - } return oc; } diff --git a/target/sh4/cpu.c b/target/sh4/cpu.c index 788e41fea6..a8ec98b134 100644 --- a/target/sh4/cpu.c +++ b/target/sh4/cpu.c @@ -152,9 +152,6 @@ static ObjectClass *superh_cpu_class_by_name(const char *cpu_model) typename = g_strdup_printf(SUPERH_CPU_TYPE_NAME("%s"), s); oc = object_class_by_name(typename); - if (oc != NULL && object_class_is_abstract(oc)) { - oc = NULL; - } out: g_free(s); diff --git a/target/tricore/cpu.c b/target/tricore/cpu.c index 5ca666ee12..034e01c189 100644 --- a/target/tricore/cpu.c +++ b/target/tricore/cpu.c @@ -132,8 +132,7 @@ static ObjectClass *tricore_cpu_class_by_name(const char *cpu_model) typename = g_strdup_printf(TRICORE_CPU_TYPE_NAME("%s"), cpu_model); oc = object_class_by_name(typename); g_free(typename); - if (!oc || !object_class_dynamic_cast(oc, TYPE_TRICORE_CPU) || - object_class_is_abstract(oc)) { + if (!oc || !object_class_dynamic_cast(oc, TYPE_TRICORE_CPU)) { return NULL; } return oc; diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c index ea1dae7390..e20fe87bf2 100644 --- a/target/xtensa/cpu.c +++ b/target/xtensa/cpu.c @@ -141,8 +141,7 @@ static ObjectClass *xtensa_cpu_class_by_name(const char *cpu_model) typename = g_strdup_printf(XTENSA_CPU_TYPE_NAME("%s"), cpu_model); oc = object_class_by_name(typename); g_free(typename); - if (oc == NULL || !object_class_dynamic_cast(oc, TYPE_XTENSA_CPU) || - object_class_is_abstract(oc)) { + if (oc == NULL || !object_class_dynamic_cast(oc, TYPE_XTENSA_CPU)) { return NULL; } return oc; -- 2.11.4.GIT