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[PATCH-for-9.1 08/21] target/sparc: Make SPARC_CPU common to new SPARC32


From: Philippe Mathieu-Daudé
Subject: [PATCH-for-9.1 08/21] target/sparc: Make SPARC_CPU common to new SPARC32_CPU/SPARC64_CPU types
Date: Fri, 15 Mar 2024 14:08:56 +0100

"target/foo/cpu-qom.h" can not use any target specific definitions.

Currently "target/sparc/cpu-qom.h" defines TYPE_SPARC_CPU
depending on the sparc(32)/sparc64 build type. This doesn't
scale in a heterogeneous context where we need to access both
types concurrently.

In order to do that, introduce the new SPARC32_CPU / SPARC64_CPU
types, both inheriting a common TYPE_SPARC_CPU base type.

Keep the current CPU types registered in sparc_register_cpudef_type()
as 32 or 64-bit, depending on the binary built.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 target/sparc/cpu-qom.h |  9 +++++----
 target/sparc/cpu.c     | 12 +++++++++++-
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/target/sparc/cpu-qom.h b/target/sparc/cpu-qom.h
index a86331bd58..6ad283506e 100644
--- a/target/sparc/cpu-qom.h
+++ b/target/sparc/cpu-qom.h
@@ -22,14 +22,15 @@
 
 #include "hw/core/cpu.h"
 
-#ifdef TARGET_SPARC64
-#define TYPE_SPARC_CPU "sparc64-cpu"
-#else
 #define TYPE_SPARC_CPU "sparc-cpu"
-#endif
+#define TYPE_SPARC32_CPU "sparc32-cpu"
+#define TYPE_SPARC64_CPU "sparc64-cpu"
 
 OBJECT_DECLARE_CPU_TYPE(SPARCCPU, SPARCCPUClass, SPARC_CPU)
 
+OBJECT_DECLARE_CPU_TYPE(SPARC32CPU, SPARCCPUClass, SPARC32_CPU)
+OBJECT_DECLARE_CPU_TYPE(SPARC64CPU, SPARCCPUClass, SPARC64_CPU)
+
 #define SPARC_CPU_TYPE_SUFFIX "-" TYPE_SPARC_CPU
 #define SPARC_CPU_TYPE_NAME(model) model SPARC_CPU_TYPE_SUFFIX
 
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index 42b13ab63f..9e27e16b75 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -959,6 +959,12 @@ static const TypeInfo sparc_cpu_types[] = {
         .abstract       = true,
         .class_size     = sizeof(SPARCCPUClass),
         .class_init     = sparc_cpu_class_init,
+    }, {
+        .name           = TYPE_SPARC32_CPU,
+        .parent         = TYPE_SPARC_CPU,
+    }, {
+        .name           = TYPE_SPARC64_CPU,
+        .parent         = TYPE_SPARC_CPU,
     }
 };
 
@@ -975,7 +981,11 @@ static void sparc_register_cpudef_type(const struct 
sparc_def_t *def)
     char *typename = sparc_cpu_type_name(def->name);
     TypeInfo ti = {
         .name = typename,
-        .parent = TYPE_SPARC_CPU,
+#ifdef TARGET_SPARC64
+        .parent = TYPE_SPARC64_CPU,
+#else
+        .parent = TYPE_SPARC32_CPU,
+#endif
         .class_init = sparc_cpu_cpudef_class_init,
         .class_data = (void *)def,
     };
-- 
2.41.0




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