xref: /openbmc/qemu/target/arm/cpu-qom.h (revision af531756)
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_TYPE(ARMCPU, ARMCPUClass,
31                     ARM_CPU)
32 
33 #define TYPE_ARM_MAX_CPU "max-" TYPE_ARM_CPU
34 
35 typedef struct ARMCPUInfo {
36     const char *name;
37     void (*initfn)(Object *obj);
38     void (*class_init)(ObjectClass *oc, void *data);
39 } ARMCPUInfo;
40 
41 void arm_cpu_register(const ARMCPUInfo *info);
42 void aarch64_cpu_register(const ARMCPUInfo *info);
43 
44 /**
45  * ARMCPUClass:
46  * @parent_realize: The parent class' realize handler.
47  * @parent_reset: The parent class' reset handler.
48  *
49  * An ARM CPU model.
50  */
51 struct ARMCPUClass {
52     /*< private >*/
53     CPUClass parent_class;
54     /*< public >*/
55 
56     const ARMCPUInfo *info;
57     DeviceRealize parent_realize;
58     DeviceReset parent_reset;
59 };
60 
61 
62 #define TYPE_AARCH64_CPU "aarch64-cpu"
63 typedef struct AArch64CPUClass AArch64CPUClass;
64 DECLARE_CLASS_CHECKERS(AArch64CPUClass, AARCH64_CPU,
65                        TYPE_AARCH64_CPU)
66 
67 struct AArch64CPUClass {
68     /*< private >*/
69     ARMCPUClass parent_class;
70     /*< public >*/
71 };
72 
73 void register_cp_regs_for_features(ARMCPU *cpu);
74 void init_cpreg_list(ARMCPU *cpu);
75 
76 /* Callback functions for the generic timer's timers. */
77 void arm_gt_ptimer_cb(void *opaque);
78 void arm_gt_vtimer_cb(void *opaque);
79 void arm_gt_htimer_cb(void *opaque);
80 void arm_gt_stimer_cb(void *opaque);
81 void arm_gt_hvtimer_cb(void *opaque);
82 
83 #define ARM_AFF0_SHIFT 0
84 #define ARM_AFF0_MASK  (0xFFULL << ARM_AFF0_SHIFT)
85 #define ARM_AFF1_SHIFT 8
86 #define ARM_AFF1_MASK  (0xFFULL << ARM_AFF1_SHIFT)
87 #define ARM_AFF2_SHIFT 16
88 #define ARM_AFF2_MASK  (0xFFULL << ARM_AFF2_SHIFT)
89 #define ARM_AFF3_SHIFT 32
90 #define ARM_AFF3_MASK  (0xFFULL << ARM_AFF3_SHIFT)
91 #define ARM_DEFAULT_CPUS_PER_CLUSTER 8
92 
93 #define ARM32_AFFINITY_MASK (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK)
94 #define ARM64_AFFINITY_MASK \
95     (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK|ARM_AFF3_MASK)
96 #define ARM64_AFFINITY_INVALID (~ARM64_AFFINITY_MASK)
97 
98 #endif
99