xref: /openbmc/qemu/target/arm/cpu-qom.h (revision d780d056)
1 /*
2  * QEMU ARM CPU QOM header (target agnostic)
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 #define TYPE_ARM_CPU "arm-cpu"
26 
27 OBJECT_DECLARE_CPU_TYPE(ARMCPU, ARMCPUClass, ARM_CPU)
28 
29 #define TYPE_ARM_MAX_CPU "max-" TYPE_ARM_CPU
30 
31 #define TYPE_AARCH64_CPU "aarch64-cpu"
32 typedef struct AArch64CPUClass AArch64CPUClass;
33 DECLARE_CLASS_CHECKERS(AArch64CPUClass, AARCH64_CPU,
34                        TYPE_AARCH64_CPU)
35 
36 #define ARM_CPU_TYPE_SUFFIX "-" TYPE_ARM_CPU
37 #define ARM_CPU_TYPE_NAME(name) (name ARM_CPU_TYPE_SUFFIX)
38 
39 /* Meanings of the ARMCPU object's four inbound GPIO lines */
40 #define ARM_CPU_IRQ 0
41 #define ARM_CPU_FIQ 1
42 #define ARM_CPU_VIRQ 2
43 #define ARM_CPU_VFIQ 3
44 
45 /* For M profile, some registers are banked secure vs non-secure;
46  * these are represented as a 2-element array where the first element
47  * is the non-secure copy and the second is the secure copy.
48  * When the CPU does not have implement the security extension then
49  * only the first element is used.
50  * This means that the copy for the current security state can be
51  * accessed via env->registerfield[env->v7m.secure] (whether the security
52  * extension is implemented or not).
53  */
54 enum {
55     M_REG_NS = 0,
56     M_REG_S = 1,
57     M_REG_NUM_BANKS = 2,
58 };
59 
60 #endif
61