xref: /openbmc/qemu/target/arm/cpu-qom.h (revision 438c78da)
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 "qom/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 /**
39  * ARMCPUClass:
40  * @parent_realize: The parent class' realize handler.
41  * @parent_reset: The parent class' reset handler.
42  *
43  * An ARM CPU model.
44  */
45 typedef struct ARMCPUClass {
46     /*< private >*/
47     CPUClass parent_class;
48     /*< public >*/
49 
50     DeviceRealize parent_realize;
51     void (*parent_reset)(CPUState *cpu);
52 } ARMCPUClass;
53 
54 typedef struct ARMCPU ARMCPU;
55 
56 #define TYPE_AARCH64_CPU "aarch64-cpu"
57 #define AARCH64_CPU_CLASS(klass) \
58     OBJECT_CLASS_CHECK(AArch64CPUClass, (klass), TYPE_AARCH64_CPU)
59 #define AARCH64_CPU_GET_CLASS(obj) \
60     OBJECT_GET_CLASS(AArch64CPUClass, (obj), TYPE_AArch64_CPU)
61 
62 typedef struct AArch64CPUClass {
63     /*< private >*/
64     ARMCPUClass parent_class;
65     /*< public >*/
66 } AArch64CPUClass;
67 
68 void register_cp_regs_for_features(ARMCPU *cpu);
69 void init_cpreg_list(ARMCPU *cpu);
70 
71 /* Callback functions for the generic timer's timers. */
72 void arm_gt_ptimer_cb(void *opaque);
73 void arm_gt_vtimer_cb(void *opaque);
74 void arm_gt_htimer_cb(void *opaque);
75 void arm_gt_stimer_cb(void *opaque);
76 
77 #define ARM_AFF0_SHIFT 0
78 #define ARM_AFF0_MASK  (0xFFULL << ARM_AFF0_SHIFT)
79 #define ARM_AFF1_SHIFT 8
80 #define ARM_AFF1_MASK  (0xFFULL << ARM_AFF1_SHIFT)
81 #define ARM_AFF2_SHIFT 16
82 #define ARM_AFF2_MASK  (0xFFULL << ARM_AFF2_SHIFT)
83 #define ARM_AFF3_SHIFT 32
84 #define ARM_AFF3_MASK  (0xFFULL << ARM_AFF3_SHIFT)
85 #define ARM_DEFAULT_CPUS_PER_CLUSTER 8
86 
87 #define ARM32_AFFINITY_MASK (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK)
88 #define ARM64_AFFINITY_MASK \
89     (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK|ARM_AFF3_MASK)
90 #define ARM64_AFFINITY_INVALID (~ARM64_AFFINITY_MASK)
91 
92 #endif
93