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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2025-03-23 16:09:06 +0100
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2025-04-25 12:59:09 +0200
commit0a5692fecc76c6fee9a4fc86dbe8faf84ce30ce8 (patch)
treeeb6c818962ebcdafdf74eca06c33a2ea41ff7cff
parent9ce6caa0d94a52a0ada77f494e8e23e62198aef0 (diff)
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cpus: Introduce CPUClass::list_cpus() callback
Some targets define cpu_list to a method listing their CPUs on stdout. In order to make list_cpus() generic, introduce the CPUClass::list_cpus() callback. When no callback is registered, list_cpus() defaults to the cpu_list definition. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Message-Id: <20250324185837.46506-2-philmd@linaro.org>
-rw-r--r--cpu-target.c8
-rw-r--r--include/hw/core/cpu.h2
2 files changed, 9 insertions, 1 deletions
diff --git a/cpu-target.c b/cpu-target.c
index 14cd623..d139a18 100644
--- a/cpu-target.c
+++ b/cpu-target.c
@@ -104,7 +104,13 @@ static void cpu_list(void)
void list_cpus(void)
{
- cpu_list();
+ CPUClass *cc = CPU_CLASS(object_class_by_name(CPU_RESOLVING_TYPE));
+
+ if (cc->list_cpus) {
+ cc->list_cpus();
+ } else {
+ cpu_list();
+ }
}
/* enable or disable single step mode. EXCP_DEBUG is returned by the
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index c8d6abf..5b645df 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -102,6 +102,7 @@ struct SysemuCPUOps;
* CPUClass:
* @class_by_name: Callback to map -cpu command line model name to an
* instantiatable CPU type.
+ * @list_cpus: list available CPU models and flags.
* @parse_features: Callback to parse command line arguments.
* @reset_dump_flags: #CPUDumpFlags to use for reset logging.
* @memory_rw_debug: Callback for GDB memory access.
@@ -148,6 +149,7 @@ struct CPUClass {
/*< public >*/
ObjectClass *(*class_by_name)(const char *cpu_model);
+ void (*list_cpus)(void);
void (*parse_features)(const char *typename, char *str, Error **errp);
int (*memory_rw_debug)(CPUState *cpu, vaddr addr,