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[Qemu-devel] [PATCH for-2.11 v3 04/25] sparc: convert cpu features to qd
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH for-2.11 v3 04/25] sparc: convert cpu features to qdev properties |
Date: |
Thu, 24 Aug 2017 18:31:27 +0200 |
SPARC is the last target that uses legacy way of parsing
and initializing cpu features, drop legacy approach and
convert features to properties so that SPARC could as minimum
benefit from generic cpu_generic_init(), common with
x86 +-feat parser
PS:
the main purpose is to remove legacy way of cpu creation as
a blocker for unifying cpu creation code across targets.
Signed-off-by: Igor Mammedov <address@hidden>
Reviewed-by: Eduardo Habkost <address@hidden>
Tested-by: Philippe Mathieu-Daudé <address@hidden>
---
CC: Mark Cave-Ayland <address@hidden>
CC: Artyom Tarasenko <address@hidden>
---
target/sparc/cpu.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index 281a99f..82ab5ad 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -22,6 +22,8 @@
#include "cpu.h"
#include "qemu/error-report.h"
#include "exec/exec-all.h"
+#include "hw/qdev-properties.h"
+#include "qapi/visitor.h"
//#define DEBUG_FEATURES
@@ -852,6 +854,69 @@ static void sparc_cpu_initfn(Object *obj)
}
}
+static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ SPARCCPU *cpu = SPARC_CPU(obj);
+ int64_t value = cpu->env.def.nwindows;
+
+ visit_type_int(v, name, &value, errp);
+}
+
+static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ const int64_t min = MIN_NWINDOWS;
+ const int64_t max = MAX_NWINDOWS;
+ SPARCCPU *cpu = SPARC_CPU(obj);
+ Error *err = NULL;
+ int64_t value;
+
+ visit_type_int(v, name, &value, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ if (value < min || value > max) {
+ error_setg(errp, "Property %s.%s doesn't take value %" PRId64
+ " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
+ object_get_typename(obj), name ? name : "null",
+ value, min, max);
+ return;
+ }
+ cpu->env.def.nwindows = value;
+}
+
+static PropertyInfo qdev_prop_nwindows = {
+ .name = "int",
+ .get = sparc_get_nwindows,
+ .set = sparc_set_nwindows,
+};
+
+static Property sparc_cpu_properties[] = {
+ DEFINE_PROP_BIT("float", SPARCCPU, env.def.features, 0, false),
+ DEFINE_PROP_BIT("float128", SPARCCPU, env.def.features, 1, false),
+ DEFINE_PROP_BIT("swap", SPARCCPU, env.def.features, 2, false),
+ DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features, 3, false),
+ DEFINE_PROP_BIT("div", SPARCCPU, env.def.features, 4, false),
+ DEFINE_PROP_BIT("flush", SPARCCPU, env.def.features, 5, false),
+ DEFINE_PROP_BIT("fsqrt", SPARCCPU, env.def.features, 6, false),
+ DEFINE_PROP_BIT("fmul", SPARCCPU, env.def.features, 7, false),
+ DEFINE_PROP_BIT("vis1", SPARCCPU, env.def.features, 8, false),
+ DEFINE_PROP_BIT("vis2", SPARCCPU, env.def.features, 9, false),
+ DEFINE_PROP_BIT("fsmuld", SPARCCPU, env.def.features, 10, false),
+ DEFINE_PROP_BIT("hypv", SPARCCPU, env.def.features, 11, false),
+ DEFINE_PROP_BIT("cmt", SPARCCPU, env.def.features, 12, false),
+ DEFINE_PROP_BIT("gl", SPARCCPU, env.def.features, 13, false),
+ DEFINE_PROP_UNSIGNED("iu-version", SPARCCPU, env.def.iu_version, 0,
+ qdev_prop_uint64, target_ulong),
+ DEFINE_PROP_UINT32("fpu-version", SPARCCPU, env.def.fpu_version, 0),
+ DEFINE_PROP_UINT32("mmu-version", SPARCCPU, env.def.mmu_version, 0),
+ { .name = "nwindows", .info = &qdev_prop_nwindows },
+ DEFINE_PROP_END_OF_LIST()
+};
+
static void sparc_cpu_class_init(ObjectClass *oc, void *data)
{
SPARCCPUClass *scc = SPARC_CPU_CLASS(oc);
@@ -860,6 +925,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void
*data)
scc->parent_realize = dc->realize;
dc->realize = sparc_cpu_realizefn;
+ dc->props = sparc_cpu_properties;
scc->parent_reset = cc->reset;
cc->reset = sparc_cpu_reset;
--
2.7.4
- [Qemu-devel] [PATCH for-2.11 v3 00/25] complete cpu QOMification and remove cpu_FOO_init() helpers, Igor Mammedov, 2017/08/24
- [Qemu-devel] [PATCH for-2.11 v3 02/25] sparc: convert cpu models to SPARC cpu subclasses, Igor Mammedov, 2017/08/24
- [Qemu-devel] [PATCH for-2.11 v3 04/25] sparc: convert cpu features to qdev properties,
Igor Mammedov <=
- [Qemu-devel] [PATCH for-2.11 v3 03/25] sparc: embed sparc_def_t into CPUSPARCState, Igor Mammedov, 2017/08/24
- [Qemu-devel] [PATCH for-2.11 v3 05/25] sparc: move adhoc CPUSPARCState initialization to realize time, Igor Mammedov, 2017/08/24
- [Qemu-devel] [PATCH for-2.11 v3 06/25] sparc: make cpu feature parsing property based, Igor Mammedov, 2017/08/24
- [Qemu-devel] [PATCH for-2.11 v3 07/25] sparc: replace cpu_sparc_init() with cpu_generic_init(), Igor Mammedov, 2017/08/24
- [Qemu-devel] [PATCH for-2.11 v3 09/25] alpha: replace cpu_alpha_init() with cpu_generic_init(), Igor Mammedov, 2017/08/24
- [Qemu-devel] [PATCH for-2.11 v3 13/25] nios2: replace cpu_nios2_init() with cpu_generic_init(), Igor Mammedov, 2017/08/24