Patchwork [v3,1/6] target-cris: QOM'ify CPU

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Submitter Andreas Färber
Date April 23, 2012, 2:43 p.m.
Message ID <1335192223-31188-2-git-send-email-afaerber@suse.de>
Download mbox | patch
Permalink /patch/154464/
State New
Headers show

Comments

Andreas Färber - April 23, 2012, 2:43 p.m.
Embed CPUCRISState as first member of QOM CRISCPU.

Let CPUClass::reset() call cpu_state_reset() for now.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 Makefile.target         |    1 +
 target-cris/cpu-qom.h   |   70 +++++++++++++++++++++++++++++++++++++++++++++++
 target-cris/cpu.c       |   60 ++++++++++++++++++++++++++++++++++++++++
 target-cris/cpu.h       |    2 +
 target-cris/translate.c |    4 ++-
 5 files changed, 136 insertions(+), 1 deletions(-)
 create mode 100644 target-cris/cpu-qom.h
 create mode 100644 target-cris/cpu.c

Patch

diff --git a/Makefile.target b/Makefile.target
index b6a9330..c928a9b 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -93,6 +93,7 @@  libobj-$(TARGET_SPARC64) += vis_helper.o
 libobj-$(CONFIG_NEED_MMU) += mmu.o
 libobj-$(TARGET_ARM) += neon_helper.o iwmmxt_helper.o
 libobj-$(TARGET_ARM) += cpu.o
+libobj-$(TARGET_CRIS) += cpu.o
 libobj-$(TARGET_LM32) += cpu.o
 libobj-$(TARGET_S390X) += cpu.o
 ifeq ($(TARGET_BASE_ARCH), sparc)
diff --git a/target-cris/cpu-qom.h b/target-cris/cpu-qom.h
new file mode 100644
index 0000000..d0e5f04
--- /dev/null
+++ b/target-cris/cpu-qom.h
@@ -0,0 +1,70 @@ 
+/*
+ * QEMU CRIS 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_CRIS_CPU_QOM_H
+#define QEMU_CRIS_CPU_QOM_H
+
+#include "qemu/cpu.h"
+
+#define TYPE_CRIS_CPU "cris-cpu"
+
+#define CRIS_CPU_CLASS(klass) \
+    OBJECT_CLASS_CHECK(CRISCPUClass, (klass), TYPE_CRIS_CPU)
+#define CRIS_CPU(obj) \
+    OBJECT_CHECK(CRISCPU, (obj), TYPE_CRIS_CPU)
+#define CRIS_CPU_GET_CLASS(obj) \
+    OBJECT_GET_CLASS(CRISCPUClass, (obj), TYPE_CRIS_CPU)
+
+/**
+ * CRISCPUClass:
+ * @parent_reset: The parent class' reset handler.
+ *
+ * A CRIS CPU model.
+ */
+typedef struct CRISCPUClass {
+    /*< private >*/
+    CPUClass parent_class;
+    /*< public >*/
+
+    void (*parent_reset)(CPUState *cpu);
+} CRISCPUClass;
+
+/**
+ * CRISCPU:
+ * @env: #CPUCRISState
+ *
+ * A CRIS CPU.
+ */
+typedef struct CRISCPU {
+    /*< private >*/
+    CPUState parent_obj;
+    /*< public >*/
+
+    CPUCRISState env;
+} CRISCPU;
+
+static inline CRISCPU *cris_env_get_cpu(CPUCRISState *env)
+{
+    return CRIS_CPU(container_of(env, CRISCPU, env));
+}
+
+#define ENV_GET_CPU(e) CPU(cris_env_get_cpu(e))
+
+
+#endif
diff --git a/target-cris/cpu.c b/target-cris/cpu.c
new file mode 100644
index 0000000..784846b
--- /dev/null
+++ b/target-cris/cpu.c
@@ -0,0 +1,60 @@ 
+/*
+ * QEMU CRIS 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.h"
+#include "qemu-common.h"
+
+
+/* CPUClass::reset() */
+static void cris_cpu_reset(CPUState *s)
+{
+    CRISCPU *cpu = CRIS_CPU(s);
+    CRISCPUClass *ccc = CRIS_CPU_GET_CLASS(cpu);
+    CPUCRISState *env = &cpu->env;
+
+    ccc->parent_reset(s);
+
+    cpu_state_reset(env);
+}
+
+static void cris_cpu_class_init(ObjectClass *oc, void *data)
+{
+    CPUClass *cc = CPU_CLASS(oc);
+    CRISCPUClass *ccc = CRIS_CPU_CLASS(oc);
+
+    ccc->parent_reset = cc->reset;
+    cc->reset = cris_cpu_reset;
+}
+
+static const TypeInfo cris_cpu_type_info = {
+    .name = TYPE_CRIS_CPU,
+    .parent = TYPE_CPU,
+    .instance_size = sizeof(CRISCPU),
+    .abstract = false,
+    .class_size = sizeof(CRISCPUClass),
+    .class_init = cris_cpu_class_init,
+};
+
+static void cris_cpu_register_types(void)
+{
+    type_register_static(&cris_cpu_type_info);
+}
+
+type_init(cris_cpu_register_types)
diff --git a/target-cris/cpu.h b/target-cris/cpu.h
index 31899c2..5449cc4 100644
--- a/target-cris/cpu.h
+++ b/target-cris/cpu.h
@@ -169,6 +169,8 @@  typedef struct CPUCRISState {
 	void *load_info;
 } CPUCRISState;
 
+#include "cpu-qom.h"
+
 CPUCRISState *cpu_cris_init(const char *cpu_model);
 int cpu_cris_exec(CPUCRISState *s);
 void cpu_cris_close(CPUCRISState *s);
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 7224f46..26c3f0b 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -3505,11 +3505,13 @@  static uint32_t vr_by_name(const char *name)
 
 CPUCRISState *cpu_cris_init (const char *cpu_model)
 {
+    CRISCPU *cpu;
 	CPUCRISState *env;
 	static int tcg_initialized = 0;
 	int i;
 
-	env = g_malloc0(sizeof(CPUCRISState));
+    cpu = CRIS_CPU(object_new(TYPE_CRIS_CPU));
+    env = &cpu->env;
 
 	env->pregs[PR_VR] = vr_by_name(cpu_model);
 	cpu_exec_init(env);