xref: /openbmc/qemu/target/arm/cpu-qom.h (revision ba7d12eb)
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 #define TYPE_ARM_CPU "arm-cpu"
27 
28 OBJECT_DECLARE_CPU_TYPE(ARMCPU, ARMCPUClass, ARM_CPU)
29 
30 #define TYPE_ARM_MAX_CPU "max-" TYPE_ARM_CPU
31 
32 typedef struct ARMCPUInfo {
33     const char *name;
34     void (*initfn)(Object *obj);
35     void (*class_init)(ObjectClass *oc, void *data);
36 } ARMCPUInfo;
37 
38 void arm_cpu_register(const ARMCPUInfo *info);
39 void aarch64_cpu_register(const ARMCPUInfo *info);
40 
41 /**
42  * ARMCPUClass:
43  * @parent_realize: The parent class' realize handler.
44  * @parent_phases: The parent class' reset phase handlers.
45  *
46  * An ARM CPU model.
47  */
48 struct ARMCPUClass {
49     /*< private >*/
50     CPUClass parent_class;
51     /*< public >*/
52 
53     const ARMCPUInfo *info;
54     DeviceRealize parent_realize;
55     ResettablePhases parent_phases;
56 };
57 
58 
59 #define TYPE_AARCH64_CPU "aarch64-cpu"
60 typedef struct AArch64CPUClass AArch64CPUClass;
61 DECLARE_CLASS_CHECKERS(AArch64CPUClass, AARCH64_CPU,
62                        TYPE_AARCH64_CPU)
63 
64 struct AArch64CPUClass {
65     /*< private >*/
66     ARMCPUClass parent_class;
67     /*< public >*/
68 };
69 
70 void register_cp_regs_for_features(ARMCPU *cpu);
71 void init_cpreg_list(ARMCPU *cpu);
72 
73 /* Callback functions for the generic timer's timers. */
74 void arm_gt_ptimer_cb(void *opaque);
75 void arm_gt_vtimer_cb(void *opaque);
76 void arm_gt_htimer_cb(void *opaque);
77 void arm_gt_stimer_cb(void *opaque);
78 void arm_gt_hvtimer_cb(void *opaque);
79 
80 #define ARM_AFF0_SHIFT 0
81 #define ARM_AFF0_MASK  (0xFFULL << ARM_AFF0_SHIFT)
82 #define ARM_AFF1_SHIFT 8
83 #define ARM_AFF1_MASK  (0xFFULL << ARM_AFF1_SHIFT)
84 #define ARM_AFF2_SHIFT 16
85 #define ARM_AFF2_MASK  (0xFFULL << ARM_AFF2_SHIFT)
86 #define ARM_AFF3_SHIFT 32
87 #define ARM_AFF3_MASK  (0xFFULL << ARM_AFF3_SHIFT)
88 #define ARM_DEFAULT_CPUS_PER_CLUSTER 8
89 
90 #define ARM32_AFFINITY_MASK (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK)
91 #define ARM64_AFFINITY_MASK \
92     (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK|ARM_AFF3_MASK)
93 #define ARM64_AFFINITY_INVALID (~ARM64_AFFINITY_MASK)
94 
95 #endif
96