xref: /qemu/target/arm/cpu-qom.h (revision 8110fa1d)
1 /*
2  * QEMU ARM CPU
3  *
4  * Copyright (c) 2012 SUSE LINUX Products GmbH
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program 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
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see
18  * <http://www.gnu.org/licenses/gpl-2.0.html>
19  */
20 #ifndef QEMU_ARM_CPU_QOM_H
21 #define QEMU_ARM_CPU_QOM_H
22 
23 #include "hw/core/cpu.h"
24 #include "qom/object.h"
25 
26 struct arm_boot_info;
27 
28 #define TYPE_ARM_CPU "arm-cpu"
29 
30 typedef struct ARMCPU ARMCPU;
31 typedef struct ARMCPUClass ARMCPUClass;
32 DECLARE_OBJ_CHECKERS(ARMCPU, ARMCPUClass,
33                      ARM_CPU, TYPE_ARM_CPU)
34 
35 #define TYPE_ARM_MAX_CPU "max-" TYPE_ARM_CPU
36 
37 typedef struct ARMCPUInfo {
38     const char *name;
39     void (*initfn)(Object *obj);
40     void (*class_init)(ObjectClass *oc, void *data);
41 } ARMCPUInfo;
42 
43 void arm_cpu_register(const ARMCPUInfo *info);
44 void aarch64_cpu_register(const ARMCPUInfo *info);
45 
46 /**
47  * ARMCPUClass:
48  * @parent_realize: The parent class' realize handler.
49  * @parent_reset: The parent class' reset handler.
50  *
51  * An ARM CPU model.
52  */
53 struct ARMCPUClass {
54     /*< private >*/
55     CPUClass parent_class;
56     /*< public >*/
57 
58     const ARMCPUInfo *info;
59     DeviceRealize parent_realize;
60     DeviceReset parent_reset;
61 };
62 
63 
64 #define TYPE_AARCH64_CPU "aarch64-cpu"
65 typedef struct AArch64CPUClass AArch64CPUClass;
66 DECLARE_CLASS_CHECKERS(AArch64CPUClass, AARCH64_CPU,
67                        TYPE_AARCH64_CPU)
68 
69 struct AArch64CPUClass {
70     /*< private >*/
71     ARMCPUClass parent_class;
72     /*< public >*/
73 };
74 
75 void register_cp_regs_for_features(ARMCPU *cpu);
76 void init_cpreg_list(ARMCPU *cpu);
77 
78 /* Callback functions for the generic timer's timers. */
79 void arm_gt_ptimer_cb(void *opaque);
80 void arm_gt_vtimer_cb(void *opaque);
81 void arm_gt_htimer_cb(void *opaque);
82 void arm_gt_stimer_cb(void *opaque);
83 void arm_gt_hvtimer_cb(void *opaque);
84 
85 #define ARM_AFF0_SHIFT 0
86 #define ARM_AFF0_MASK  (0xFFULL << ARM_AFF0_SHIFT)
87 #define ARM_AFF1_SHIFT 8
88 #define ARM_AFF1_MASK  (0xFFULL << ARM_AFF1_SHIFT)
89 #define ARM_AFF2_SHIFT 16
90 #define ARM_AFF2_MASK  (0xFFULL << ARM_AFF2_SHIFT)
91 #define ARM_AFF3_SHIFT 32
92 #define ARM_AFF3_MASK  (0xFFULL << ARM_AFF3_SHIFT)
93 #define ARM_DEFAULT_CPUS_PER_CLUSTER 8
94 
95 #define ARM32_AFFINITY_MASK (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK)
96 #define ARM64_AFFINITY_MASK \
97     (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK|ARM_AFF3_MASK)
98 #define ARM64_AFFINITY_INVALID (~ARM64_AFFINITY_MASK)
99 
100 #endif
101