Andreas Färber | fc0ced2 | 2012-04-11 01:22:08 +0200 | [diff] [blame] | 1 | /* |
| 2 | * QEMU LatticeMico32 CPU |
| 3 | * |
| 4 | * Copyright (c) 2012 SUSE LINUX Products GmbH |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, see |
| 18 | * <http://www.gnu.org/licenses/lgpl-2.1.html> |
| 19 | */ |
| 20 | |
Andreas Färber | 0347d68 | 2012-05-06 12:40:55 +0200 | [diff] [blame] | 21 | #include "cpu.h" |
Andreas Färber | fc0ced2 | 2012-04-11 01:22:08 +0200 | [diff] [blame] | 22 | #include "qemu-common.h" |
| 23 | |
| 24 | |
| 25 | /* CPUClass::reset() */ |
| 26 | static void lm32_cpu_reset(CPUState *s) |
| 27 | { |
| 28 | LM32CPU *cpu = LM32_CPU(s); |
| 29 | LM32CPUClass *lcc = LM32_CPU_GET_CLASS(cpu); |
| 30 | CPULM32State *env = &cpu->env; |
| 31 | |
Andreas Färber | 3eab169 | 2012-04-11 01:37:45 +0200 | [diff] [blame] | 32 | if (qemu_loglevel_mask(CPU_LOG_RESET)) { |
| 33 | qemu_log("CPU Reset (CPU %d)\n", env->cpu_index); |
| 34 | log_cpu_state(env, 0); |
| 35 | } |
| 36 | |
Andreas Färber | fc0ced2 | 2012-04-11 01:22:08 +0200 | [diff] [blame] | 37 | lcc->parent_reset(s); |
| 38 | |
Andreas Färber | 3eab169 | 2012-04-11 01:37:45 +0200 | [diff] [blame] | 39 | tlb_flush(env, 1); |
| 40 | |
| 41 | /* reset cpu state */ |
| 42 | memset(env, 0, offsetof(CPULM32State, breakpoints)); |
Andreas Färber | fc0ced2 | 2012-04-11 01:22:08 +0200 | [diff] [blame] | 43 | } |
| 44 | |
Andreas Färber | 8d7d505 | 2012-04-11 01:33:33 +0200 | [diff] [blame] | 45 | static void lm32_cpu_initfn(Object *obj) |
| 46 | { |
| 47 | LM32CPU *cpu = LM32_CPU(obj); |
| 48 | CPULM32State *env = &cpu->env; |
| 49 | |
| 50 | cpu_exec_init(env); |
| 51 | |
| 52 | env->flags = 0; |
| 53 | |
| 54 | cpu_reset(CPU(cpu)); |
| 55 | } |
| 56 | |
Andreas Färber | fc0ced2 | 2012-04-11 01:22:08 +0200 | [diff] [blame] | 57 | static void lm32_cpu_class_init(ObjectClass *oc, void *data) |
| 58 | { |
| 59 | LM32CPUClass *lcc = LM32_CPU_CLASS(oc); |
| 60 | CPUClass *cc = CPU_CLASS(oc); |
| 61 | |
| 62 | lcc->parent_reset = cc->reset; |
| 63 | cc->reset = lm32_cpu_reset; |
| 64 | } |
| 65 | |
| 66 | static const TypeInfo lm32_cpu_type_info = { |
| 67 | .name = TYPE_LM32_CPU, |
| 68 | .parent = TYPE_CPU, |
| 69 | .instance_size = sizeof(LM32CPU), |
Andreas Färber | 8d7d505 | 2012-04-11 01:33:33 +0200 | [diff] [blame] | 70 | .instance_init = lm32_cpu_initfn, |
Andreas Färber | fc0ced2 | 2012-04-11 01:22:08 +0200 | [diff] [blame] | 71 | .abstract = false, |
| 72 | .class_size = sizeof(LM32CPUClass), |
| 73 | .class_init = lm32_cpu_class_init, |
| 74 | }; |
| 75 | |
| 76 | static void lm32_cpu_register_types(void) |
| 77 | { |
| 78 | type_register_static(&lm32_cpu_type_info); |
| 79 | } |
| 80 | |
| 81 | type_init(lm32_cpu_register_types) |