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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=harshpb@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1759088273676154100 From: Aditya Gupta QEMU has a way to deprecate CPUs by setting the 'deprecation_note' in CPUClass. Currently PowerPC CPUs don't use this deprecation process. Introduce 'POWERPC_DEPRECATED_CPU' macro to deprecate particular PowerPC CPUs in future. With the change, QEMU will print a warning like below when the deprecated CPU/Chips are used (example output if power8nvl is deprecated): $ ./build/qemu-system-ppc64 -M powernv8 --cpu power8nvl -nographic qemu-system-ppc64: warning: CPU model power8nvl_v1.0-powerpc64-cpu is d= eprecated -- CPU is unmaintained. ... Also, print '(deprecated)' for deprecated CPUs in 'qemu-system-ppc64 --cpu ?' (example output if power8nvl is deprecated): $ ./build/qemu-system-ppc64 --cpu help ... power8e (alias for power8e_v2.1) power8nvl_v1.0 PVR 004c0100 (deprecated) power8nvl (alias for power8nvl_v1.0) power8_v2.0 PVR 004d0200 ... Suggested-by: C=C3=A9dric Le Goater Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Aditya Gupta Tested-by: Anushree Mathur Signed-off-by: Harsh Prateek Bora Link: https://lore.kernel.org/r/20250607110412.2342511-2-adityag@linux.ibm.= com Message-ID: <20250607110412.2342511-2-adityag@linux.ibm.com> --- target/ppc/cpu-models.c | 12 +++++++++++- target/ppc/cpu_init.c | 7 ++++++- 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c index 09f73e23a8..334b1d2ff3 100644 --- a/target/ppc/cpu-models.c +++ b/target/ppc/cpu-models.c @@ -32,17 +32,20 @@ /* PowerPC CPU definitions = */ #define POWERPC_DEF_PREFIX(pvr, svr, type) = \ glue(glue(glue(glue(pvr, _), svr), _), type) -#define POWERPC_DEF_SVR(_name, _desc, _pvr, _svr, _type) = \ +#define POWERPC_DEF_SVR_DEPR(_name, _desc, _pvr, _svr, _type, _deprecation= _note) \ static void = \ glue(POWERPC_DEF_PREFIX(_pvr, _svr, _type), _cpu_class_init) = \ (ObjectClass *oc, const void *data) = \ { = \ DeviceClass *dc =3D DEVICE_CLASS(oc); = \ + CPUClass *cc =3D CPU_CLASS(oc); = \ PowerPCCPUClass *pcc =3D POWERPC_CPU_CLASS(oc); = \ = \ pcc->pvr =3D _pvr; = \ pcc->svr =3D _svr; = \ dc->desc =3D _desc; = \ + = \ + cc->deprecation_note =3D _deprecation_note; = \ } = \ = \ static const TypeInfo = \ @@ -63,6 +66,13 @@ type_init( = \ glue(POWERPC_DEF_PREFIX(_pvr, _svr, _type), _cpu_register_types)) =20 +#define POWERPC_DEF_SVR(_name, _desc, _pvr, _svr, _type) = \ + POWERPC_DEF_SVR_DEPR(_name, _desc, _pvr, _svr, _type, NULL) + +#define POWERPC_DEPRECATED_CPU(_name, _pvr, _type, _desc, _deprecation_not= e)\ + POWERPC_DEF_SVR_DEPR(_name, _desc, _pvr, POWERPC_SVR_NONE, _type, = \ + _deprecation_note) + #define POWERPC_DEF(_name, _pvr, _type, _desc) = \ POWERPC_DEF_SVR(_name, _desc, _pvr, POWERPC_SVR_NONE, _type) =20 diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 9e4ea8fd13..3aa3aefc13 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -7298,6 +7298,7 @@ static void ppc_cpu_list_entry(gpointer data, gpointe= r user_data) { ObjectClass *oc =3D data; PowerPCCPUClass *pcc =3D POWERPC_CPU_CLASS(oc); + CPUClass *cc =3D CPU_CLASS(oc); DeviceClass *family =3D DEVICE_CLASS(ppc_cpu_get_family_class(pcc)); const char *typename =3D object_class_get_name(oc); char *name; @@ -7308,7 +7309,11 @@ static void ppc_cpu_list_entry(gpointer data, gpoint= er user_data) } =20 name =3D cpu_model_from_type(typename); - qemu_printf(" %-16s PVR %08x\n", name, pcc->pvr); + if (cc->deprecation_note) { + qemu_printf(" %-16s PVR %08x (deprecated)\n", name, pcc->pvr); + } else { + qemu_printf(" %-16s PVR %08x\n", name, pcc->pvr); + } for (i =3D 0; ppc_cpu_aliases[i].alias !=3D NULL; i++) { PowerPCCPUAlias *alias =3D &ppc_cpu_aliases[i]; ObjectClass *alias_oc =3D ppc_cpu_class_by_name(alias->model); --=20 2.43.5