xref: /openbmc/qemu/target/arm/cpu-qom.h (revision 1cf5ae51)
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 
25 struct arm_boot_info;
26 
27 #define TYPE_ARM_CPU "arm-cpu"
28 
29 #define ARM_CPU_CLASS(klass) \
30     OBJECT_CLASS_CHECK(ARMCPUClass, (klass), TYPE_ARM_CPU)
31 #define ARM_CPU(obj) \
32     OBJECT_CHECK(ARMCPU, (obj), TYPE_ARM_CPU)
33 #define ARM_CPU_GET_CLASS(obj) \
34     OBJECT_GET_CLASS(ARMCPUClass, (obj), TYPE_ARM_CPU)
35 
36 #define TYPE_ARM_MAX_CPU "max-" TYPE_ARM_CPU
37 
38 typedef struct ARMCPUInfo {
39     const char *name;
40     void (*initfn)(Object *obj);
41     void (*class_init)(ObjectClass *oc, void *data);
42 } ARMCPUInfo;
43 
44 void arm_cpu_register(const ARMCPUInfo *info);
45 void aarch64_cpu_register(const ARMCPUInfo *info);
46 
47 /**
48  * ARMCPUClass:
49  * @parent_realize: The parent class' realize handler.
50  * @parent_reset: The parent class' reset handler.
51  *
52  * An ARM CPU model.
53  */
54 typedef struct ARMCPUClass {
55     /*< private >*/
56     CPUClass parent_class;
57     /*< public >*/
58 
59     const ARMCPUInfo *info;
60     DeviceRealize parent_realize;
61     DeviceReset parent_reset;
62 } ARMCPUClass;
63 
64 typedef struct ARMCPU ARMCPU;
65 
66 #define TYPE_AARCH64_CPU "aarch64-cpu"
67 #define AARCH64_CPU_CLASS(klass) \
68     OBJECT_CLASS_CHECK(AArch64CPUClass, (klass), TYPE_AARCH64_CPU)
69 #define AARCH64_CPU_GET_CLASS(obj) \
70     OBJECT_GET_CLASS(AArch64CPUClass, (obj), TYPE_AArch64_CPU)
71 
72 typedef struct AArch64CPUClass {
73     /*< private >*/
74     ARMCPUClass parent_class;
75     /*< public >*/
76 } AArch64CPUClass;
77 
78 void register_cp_regs_for_features(ARMCPU *cpu);
79 void init_cpreg_list(ARMCPU *cpu);
80 
81 /* Callback functions for the generic timer's timers. */
82 void arm_gt_ptimer_cb(void *opaque);
83 void arm_gt_vtimer_cb(void *opaque);
84 void arm_gt_htimer_cb(void *opaque);
85 void arm_gt_stimer_cb(void *opaque);
86 void arm_gt_hvtimer_cb(void *opaque);
87 
88 #define ARM_AFF0_SHIFT 0
89 #define ARM_AFF0_MASK  (0xFFULL << ARM_AFF0_SHIFT)
90 #define ARM_AFF1_SHIFT 8
91 #define ARM_AFF1_MASK  (0xFFULL << ARM_AFF1_SHIFT)
92 #define ARM_AFF2_SHIFT 16
93 #define ARM_AFF2_MASK  (0xFFULL << ARM_AFF2_SHIFT)
94 #define ARM_AFF3_SHIFT 32
95 #define ARM_AFF3_MASK  (0xFFULL << ARM_AFF3_SHIFT)
96 #define ARM_DEFAULT_CPUS_PER_CLUSTER 8
97 
98 #define ARM32_AFFINITY_MASK (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK)
99 #define ARM64_AFFINITY_MASK \
100     (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK|ARM_AFF3_MASK)
101 #define ARM64_AFFINITY_INVALID (~ARM64_AFFINITY_MASK)
102 
103 #endif
104