diff options
author | Andreas Färber <afaerber@suse.de> | 2012-02-14 01:16:17 +0100 |
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committer | Andreas Färber <afaerber@suse.de> | 2012-03-30 11:09:30 +0200 |
commit | ae0f5e9ea80de923ae1c11289cf6ac468f657880 (patch) | |
tree | 030b466f08084c4634c49dc6e7375bf771f8c6f5 /target-unicore32/cpu.c | |
parent | c3a8baa90d98edcf290bfda6850615368738a17c (diff) |
target-unicore32: QOM'ify CPU
Embed CPUUniCore32State as first member of UniCore32CPU.
Contributed under GPLv2+.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'target-unicore32/cpu.c')
-rw-r--r-- | target-unicore32/cpu.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/target-unicore32/cpu.c b/target-unicore32/cpu.c new file mode 100644 index 0000000000..189b6f6b9d --- /dev/null +++ b/target-unicore32/cpu.c @@ -0,0 +1,90 @@ +/* + * 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" + +/* 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; +} + +static void uc32_any_cpu_initfn(Object *obj) +{ + UniCore32CPU *cpu = UNICORE32_CPU(obj); + CPUUniCore32State *env = &cpu->env; + + env->cp0.c0_cpuid = 0xffffffff; +} + +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) |