xref: /openbmc/qemu/target/arm/cpu-qom.h (revision 7a5951f6)
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 OBJECT_DECLARE_CPU_TYPE(ARMCPU, ARMCPUClass, ARM_CPU)
31 
32 #define TYPE_ARM_MAX_CPU "max-" TYPE_ARM_CPU
33 
34 typedef struct ARMCPUInfo {
35     const char *name;
36     void (*initfn)(Object *obj);
37     void (*class_init)(ObjectClass *oc, void *data);
38 } ARMCPUInfo;
39 
40 void arm_cpu_register(const ARMCPUInfo *info);
41 void aarch64_cpu_register(const ARMCPUInfo *info);
42 
43 /**
44  * ARMCPUClass:
45  * @parent_realize: The parent class' realize handler.
46  * @parent_phases: The parent class' reset phase handlers.
47  *
48  * An ARM CPU model.
49  */
50 struct ARMCPUClass {
51     /*< private >*/
52     CPUClass parent_class;
53     /*< public >*/
54 
55     const ARMCPUInfo *info;
56     DeviceRealize parent_realize;
57     ResettablePhases parent_phases;
58 };
59 
60 
61 #define TYPE_AARCH64_CPU "aarch64-cpu"
62 typedef struct AArch64CPUClass AArch64CPUClass;
63 DECLARE_CLASS_CHECKERS(AArch64CPUClass, AARCH64_CPU,
64                        TYPE_AARCH64_CPU)
65 
66 struct AArch64CPUClass {
67     /*< private >*/
68     ARMCPUClass parent_class;
69     /*< public >*/
70 };
71 
72 void register_cp_regs_for_features(ARMCPU *cpu);
73 void init_cpreg_list(ARMCPU *cpu);
74 
75 /* Callback functions for the generic timer's timers. */
76 void arm_gt_ptimer_cb(void *opaque);
77 void arm_gt_vtimer_cb(void *opaque);
78 void arm_gt_htimer_cb(void *opaque);
79 void arm_gt_stimer_cb(void *opaque);
80 void arm_gt_hvtimer_cb(void *opaque);
81 
82 #define ARM_AFF0_SHIFT 0
83 #define ARM_AFF0_MASK  (0xFFULL << ARM_AFF0_SHIFT)
84 #define ARM_AFF1_SHIFT 8
85 #define ARM_AFF1_MASK  (0xFFULL << ARM_AFF1_SHIFT)
86 #define ARM_AFF2_SHIFT 16
87 #define ARM_AFF2_MASK  (0xFFULL << ARM_AFF2_SHIFT)
88 #define ARM_AFF3_SHIFT 32
89 #define ARM_AFF3_MASK  (0xFFULL << ARM_AFF3_SHIFT)
90 #define ARM_DEFAULT_CPUS_PER_CLUSTER 8
91 
92 #define ARM32_AFFINITY_MASK (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK)
93 #define ARM64_AFFINITY_MASK \
94     (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK|ARM_AFF3_MASK)
95 #define ARM64_AFFINITY_INVALID (~ARM64_AFFINITY_MASK)
96 
97 #endif
98