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Merge branch 'qom-cpu-unicore32.v3' of git://github.com/afaerber/qemu-cpu 

* 'qom-cpu-unicore32.v3' of git://github.com/afaerber/qemu-cpu:
  target-unicore32: Move CPU-dependent init into initfn
  target-unicore32: QOM'ify CPU
  target-unicore32: License future contributions under GPLv2+
  target-unicore32: Relicense to GPLv2+
  MAINTAINERS: Add entry for UniCore32
This commit is contained in:
Blue Swirl 2012-03-31 12:09:06 +00:00
parent e7c56016f9 8df9082da6
commit 4dec465460
9 changed files with 186 additions and 61 deletions
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5
MAINTAINERS
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@ -112,6 +112,11 @@ M: Blue Swirl <blauwirbel@gmail.com>
S: Maintained
F: target-sparc/
UniCore32
M: Guan Xuetao <gxt@mprc.pku.edu.cn>
S: Maintained
F: target-unicore32/
X86
M: qemu-devel@nongnu.org
S: Odd Fixes

1
Makefile.target
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@ -99,6 +99,7 @@ libobj-y += cpu_init.o
endif
libobj-$(TARGET_SPARC) += int32_helper.o
libobj-$(TARGET_SPARC64) += int64_helper.o
libobj-$(TARGET_UNICORE32) += cpu.o
libobj-$(TARGET_ALPHA) += int_helper.o fpu_helper.o sys_helper.o mem_helper.o
libobj-y += disas.o

59
target-unicore32/cpu-qom.h Normal file
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@ -0,0 +1,59 @@
/*
* QEMU UniCore32 CPU
*
* Copyright (c) 2012 SUSE LINUX Products GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation, or (at your option) any
* later version. See the COPYING file in the top-level directory.
*/
#ifndef QEMU_UC32_CPU_QOM_H
#define QEMU_UC32_CPU_QOM_H
#include "qemu/cpu.h"
#include "cpu.h"
#define TYPE_UNICORE32_CPU "unicore32-cpu"
#define UNICORE32_CPU_CLASS(klass) \
OBJECT_CLASS_CHECK(UniCore32CPUClass, (klass), TYPE_UNICORE32_CPU)
#define UNICORE32_CPU(obj) \
OBJECT_CHECK(UniCore32CPU, (obj), TYPE_UNICORE32_CPU)
#define UNICORE32_CPU_GET_CLASS(obj) \
OBJECT_GET_CLASS(UniCore32CPUClass, (obj), TYPE_UNICORE32_CPU)
/**
* UniCore32CPUClass:
*
* A UniCore32 CPU model.
*/
typedef struct UniCore32CPUClass {
/*< private >*/
CPUClass parent_class;
/*< public >*/
} UniCore32CPUClass;
/**
* UniCore32CPU:
* @env: #CPUUniCore32State
*
* A UniCore32 CPU.
*/
typedef struct UniCore32CPU {
/*< private >*/
CPUState parent_obj;
/*< public >*/
CPUUniCore32State env;
} UniCore32CPU;
static inline UniCore32CPU *uc32_env_get_cpu(CPUUniCore32State *env)
{
return UNICORE32_CPU(container_of(env, UniCore32CPU, env));
}
#define ENV_GET_CPU(e) CPU(uc32_env_get_cpu(e))
#endif

104
target-unicore32/cpu.c Normal file
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@ -0,0 +1,104 @@
/*
* QEMU UniCore32 CPU
*
* Copyright (c) 2010-2011 GUAN Xue-tao
* Copyright (c) 2012 SUSE LINUX Products GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Contributions from 2012-04-01 on are considered under GPL version 2,
* or (at your option) any later version.
*/
#include "cpu-qom.h"
#include "qemu-common.h"
static inline void set_feature(CPUUniCore32State *env, int feature)
{
env->features |= feature;
}
/* CPU models */
typedef struct UniCore32CPUInfo {
const char *name;
void (*instance_init)(Object *obj);
} UniCore32CPUInfo;
static void unicore_ii_cpu_initfn(Object *obj)
{
UniCore32CPU *cpu = UNICORE32_CPU(obj);
CPUUniCore32State *env = &cpu->env;
env->cp0.c0_cpuid = 0x40010863;
set_feature(env, UC32_HWCAP_CMOV);
set_feature(env, UC32_HWCAP_UCF64);
env->ucf64.xregs[UC32_UCF64_FPSCR] = 0;
env->cp0.c0_cachetype = 0x1dd20d2;
env->cp0.c1_sys = 0x00090078;
}
static void uc32_any_cpu_initfn(Object *obj)
{
UniCore32CPU *cpu = UNICORE32_CPU(obj);
CPUUniCore32State *env = &cpu->env;
env->cp0.c0_cpuid = 0xffffffff;
set_feature(env, UC32_HWCAP_CMOV);
set_feature(env, UC32_HWCAP_UCF64);
}
static const UniCore32CPUInfo uc32_cpus[] = {
{ .name = "UniCore-II", .instance_init = unicore_ii_cpu_initfn },
{ .name = "any", .instance_init = uc32_any_cpu_initfn },
};
static void uc32_cpu_initfn(Object *obj)
{
UniCore32CPU *cpu = UNICORE32_CPU(obj);
CPUUniCore32State *env = &cpu->env;
cpu_exec_init(env);
env->cpu_model_str = object_get_typename(obj);
env->uncached_asr = ASR_MODE_USER;
env->regs[31] = 0;
tlb_flush(env, 1);
}
static void uc32_register_cpu_type(const UniCore32CPUInfo *info)
{
TypeInfo type_info = {
.name = info->name,
.parent = TYPE_UNICORE32_CPU,
.instance_init = info->instance_init,
};
type_register_static(&type_info);
}
static const TypeInfo uc32_cpu_type_info = {
.name = TYPE_UNICORE32_CPU,
.parent = TYPE_CPU,
.instance_size = sizeof(UniCore32CPU),
.instance_init = uc32_cpu_initfn,
.abstract = true,
.class_size = sizeof(UniCore32CPUClass),
};
static void uc32_cpu_register_types(void)
{
int i;
type_register_static(&uc32_cpu_type_info);
for (i = 0; i < ARRAY_SIZE(uc32_cpus); i++) {
uc32_register_cpu_type(&uc32_cpus[i]);
}
}
type_init(uc32_cpu_register_types)

4
target-unicore32/cpu.h
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@ -5,7 +5,8 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
* published by the Free Software Foundation, or (at your option) any
* later version. See the COPYING file in the top-level directory.
*/
#ifndef __CPU_UC32_H__
#define __CPU_UC32_H__
@ -159,6 +160,7 @@ static inline void cpu_set_tls(CPUUniCore32State *env, target_ulong newtls)
}
#include "cpu-all.h"
#include "cpu-qom.h"
#include "exec-all.h"
static inline void cpu_pc_from_tb(CPUUniCore32State *env, TranslationBlock *tb)

65
target-unicore32/helper.c
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@ -4,6 +4,9 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Contributions from 2012-04-01 on are considered under GPL version 2,
* or (at your option) any later version.
*/
#include "cpu.h"
@ -11,75 +14,23 @@
#include "helper.h"
#include "host-utils.h"
static inline void set_feature(CPUUniCore32State *env, int feature)
{
env->features |= feature;
}
struct uc32_cpu_t {
uint32_t id;
const char *name;
};
static const struct uc32_cpu_t uc32_cpu_names[] = {
{ UC32_CPUID_UCV2, "UniCore-II"},
{ UC32_CPUID_ANY, "any"},
{ 0, NULL}
};
/* return 0 if not found */
static uint32_t uc32_cpu_find_by_name(const char *name)
{
int i;
uint32_t id;
id = 0;
for (i = 0; uc32_cpu_names[i].name; i++) {
if (strcmp(name, uc32_cpu_names[i].name) == 0) {
id = uc32_cpu_names[i].id;
break;
}
}
return id;
}
CPUUniCore32State *uc32_cpu_init(const char *cpu_model)
{
UniCore32CPU *cpu;
CPUUniCore32State *env;
uint32_t id;
static int inited = 1;
env = g_malloc0(sizeof(CPUUniCore32State));
cpu_exec_init(env);
id = uc32_cpu_find_by_name(cpu_model);
switch (id) {
case UC32_CPUID_UCV2:
set_feature(env, UC32_HWCAP_CMOV);
set_feature(env, UC32_HWCAP_UCF64);
env->ucf64.xregs[UC32_UCF64_FPSCR] = 0;
env->cp0.c0_cachetype = 0x1dd20d2;
env->cp0.c1_sys = 0x00090078;
break;
case UC32_CPUID_ANY: /* For userspace emulation. */
set_feature(env, UC32_HWCAP_CMOV);
set_feature(env, UC32_HWCAP_UCF64);
break;
default:
cpu_abort(env, "Bad CPU ID: %x\n", id);
if (object_class_by_name(cpu_model) == NULL) {
return NULL;
}
env->cpu_model_str = cpu_model;
env->cp0.c0_cpuid = id;
env->uncached_asr = ASR_MODE_USER;
env->regs[31] = 0;
cpu = UNICORE32_CPU(object_new(cpu_model));
env = &cpu->env;
if (inited) {
inited = 0;
uc32_translate_init();
}
tlb_flush(env, 1);
qemu_init_vcpu(env);
return env;
}

3
target-unicore32/helper.h
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@ -3,7 +3,8 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
* published by the Free Software Foundation, or (at your option) any
* later version. See the COPYING file in the top-level directory.
*/
#include "def-helper.h"

3
target-unicore32/op_helper.c
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@ -5,7 +5,8 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
* published by the Free Software Foundation, or (at your option) any
* later version. See the COPYING file in the top-level directory.
*/
#include "cpu.h"
#include "dyngen-exec.h"

3
target-unicore32/translate.c
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@ -5,7 +5,8 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
* published by the Free Software Foundation, or (at your option) any
* later version. See the COPYING file in the top-level directory.
*/
#include <stdarg.h>
#include <stdlib.h>