Patchwork [v3,1/2] target-alpha: QOM'ify CPU

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Submitter Andreas Färber
Date April 15, 2012, 7:38 p.m.
Message ID <1334518709-29936-2-git-send-email-afaerber@suse.de>
Download mbox | patch
Permalink /patch/152700/
State New
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Comments

Andreas Färber - April 15, 2012, 7:38 p.m.
Embed CPUAlphaState as first member of AlphaCPU.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Richard Henderson <rth@twiddle.net>
---
 Makefile.target          |    1 +
 target-alpha/cpu-qom.h   |   71 ++++++++++++++++++++++++++++++++++++++++++++++
 target-alpha/cpu.c       |   38 ++++++++++++++++++++++++
 target-alpha/cpu.h       |    1 +
 target-alpha/translate.c |    4 ++-
 5 files changed, 114 insertions(+), 1 deletions(-)
 create mode 100644 target-alpha/cpu-qom.h
 create mode 100644 target-alpha/cpu.c

Patch

diff --git a/Makefile.target b/Makefile.target
index 3ab791a..61dfe3b 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -104,6 +104,7 @@  libobj-$(TARGET_SPARC64) += int64_helper.o
 libobj-$(TARGET_UNICORE32) += cpu.o
 libobj-$(TARGET_XTENSA) += cpu.o
 libobj-$(TARGET_ALPHA) += int_helper.o fpu_helper.o sys_helper.o mem_helper.o
+libobj-$(TARGET_ALPHA) += cpu.o
 
 libobj-y += disas.o
 libobj-$(CONFIG_TCI_DIS) += tci-dis.o
diff --git a/target-alpha/cpu-qom.h b/target-alpha/cpu-qom.h
new file mode 100644
index 0000000..6b4ca6d
--- /dev/null
+++ b/target-alpha/cpu-qom.h
@@ -0,0 +1,71 @@ 
+/*
+ * QEMU Alpha CPU
+ *
+ * Copyright (c) 2012 SUSE LINUX Products GmbH
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <http://www.gnu.org/licenses/lgpl-2.1.html>
+ */
+#ifndef QEMU_ALPHA_CPU_QOM_H
+#define QEMU_ALPHA_CPU_QOM_H
+
+#include "qemu/cpu.h"
+#include "cpu.h"
+
+#define TYPE_ALPHA_CPU "alpha-cpu"
+
+#define ALPHA_CPU_CLASS(klass) \
+    OBJECT_CLASS_CHECK(AlphaCPUClass, (klass), TYPE_ALPHA_CPU)
+#define ALPHA_CPU(obj) \
+    OBJECT_CHECK(AlphaCPU, (obj), TYPE_ALPHA_CPU)
+#define ALPHA_CPU_GET_CLASS(obj) \
+    OBJECT_GET_CLASS(AlphaCPUClass, (obj), TYPE_ALPHA_CPU)
+
+/**
+ * AlphaCPUClass:
+ * @parent_reset: The parent class' reset handler.
+ *
+ * An Alpha CPU model.
+ */
+typedef struct AlphaCPUClass {
+    /*< private >*/
+    CPUClass parent_class;
+    /*< public >*/
+
+    void (*parent_reset)(CPUState *cpu);
+} AlphaCPUClass;
+
+/**
+ * AlphaCPU:
+ * @env: #CPUAlphaState
+ *
+ * An Alpha CPU.
+ */
+typedef struct AlphaCPU {
+    /*< private >*/
+    CPUState parent_obj;
+    /*< public >*/
+
+    CPUAlphaState env;
+} AlphaCPU;
+
+static inline AlphaCPU *alpha_env_get_cpu(CPUAlphaState *env)
+{
+    return ALPHA_CPU(container_of(env, AlphaCPU, env));
+}
+
+#define ENV_GET_CPU(e) CPU(alpha_env_get_cpu(e))
+
+
+#endif
diff --git a/target-alpha/cpu.c b/target-alpha/cpu.c
new file mode 100644
index 0000000..315b0c1
--- /dev/null
+++ b/target-alpha/cpu.c
@@ -0,0 +1,38 @@ 
+/*
+ * QEMU Alpha CPU
+ *
+ * Copyright (c) 2012 SUSE LINUX Products GmbH
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <http://www.gnu.org/licenses/lgpl-2.1.html>
+ */
+
+#include "cpu-qom.h"
+#include "qemu-common.h"
+
+
+static const TypeInfo alpha_cpu_type_info = {
+    .name = TYPE_ALPHA_CPU,
+    .parent = TYPE_CPU,
+    .instance_size = sizeof(AlphaCPU),
+    .abstract = false,
+    .class_size = sizeof(AlphaCPUClass),
+};
+
+static void alpha_cpu_register_types(void)
+{
+    type_register_static(&alpha_cpu_type_info);
+}
+
+type_init(alpha_cpu_register_types)
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h
index fd578ce..99f9ee1 100644
--- a/target-alpha/cpu.h
+++ b/target-alpha/cpu.h
@@ -292,6 +292,7 @@  struct CPUAlphaState {
 #define cpu_signal_handler cpu_alpha_signal_handler
 
 #include "cpu-all.h"
+#include "cpu-qom.h"
 
 enum {
     FEATURE_ASN    = 0x00000001,
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 1f4565d..f773e6c 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -3525,10 +3525,12 @@  static const struct cpu_def_t cpu_defs[] = {
 
 CPUAlphaState * cpu_alpha_init (const char *cpu_model)
 {
+    AlphaCPU *cpu;
     CPUAlphaState *env;
     int implver, amask, i, max;
 
-    env = g_malloc0(sizeof(CPUAlphaState));
+    cpu = ALPHA_CPU(object_new(TYPE_ALPHA_CPU));
+    env = &cpu->env;
     cpu_exec_init(env);
     alpha_translate_init();
     tlb_flush(env, 1);