xref: /openbmc/qemu/target/arm/cpu-qom.h (revision 709395f8)
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 typedef struct ARMCPUInfo ARMCPUInfo;
39 
40 /**
41  * ARMCPUClass:
42  * @parent_realize: The parent class' realize handler.
43  * @parent_reset: The parent class' reset handler.
44  *
45  * An ARM CPU model.
46  */
47 typedef struct ARMCPUClass {
48     /*< private >*/
49     CPUClass parent_class;
50     /*< public >*/
51 
52     const ARMCPUInfo *info;
53     DeviceRealize parent_realize;
54     void (*parent_reset)(CPUState *cpu);
55 } ARMCPUClass;
56 
57 typedef struct ARMCPU ARMCPU;
58 
59 #define TYPE_AARCH64_CPU "aarch64-cpu"
60 #define AARCH64_CPU_CLASS(klass) \
61     OBJECT_CLASS_CHECK(AArch64CPUClass, (klass), TYPE_AARCH64_CPU)
62 #define AARCH64_CPU_GET_CLASS(obj) \
63     OBJECT_GET_CLASS(AArch64CPUClass, (obj), TYPE_AArch64_CPU)
64 
65 typedef struct AArch64CPUClass {
66     /*< private >*/
67     ARMCPUClass parent_class;
68     /*< public >*/
69 } AArch64CPUClass;
70 
71 void register_cp_regs_for_features(ARMCPU *cpu);
72 void init_cpreg_list(ARMCPU *cpu);
73 
74 /* Callback functions for the generic timer's timers. */
75 void arm_gt_ptimer_cb(void *opaque);
76 void arm_gt_vtimer_cb(void *opaque);
77 void arm_gt_htimer_cb(void *opaque);
78 void arm_gt_stimer_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