4 * Copyright (c) 2017 Linaro Ltd
5 * Written by Peter Maydell <peter.maydell@linaro.org>
7 * This code is licensed under the GPL version 2 or later.
10 #ifndef HW_ARM_ARMV7M_H
11 #define HW_ARM_ARMV7M_H
13 #include "hw/sysbus.h"
14 #include "hw/arm/armv7m_nvic.h"
16 #define TYPE_BITBAND "ARM,bitband-memory"
17 #define BITBAND(obj) OBJECT_CHECK(BitBandState, (obj), TYPE_BITBAND)
21 SysBusDevice parent_obj
;
28 #define TYPE_ARMV7M "armv7m"
29 #define ARMV7M(obj) OBJECT_CHECK(ARMv7MState, (obj), TYPE_ARMV7M)
31 #define ARMV7M_NUM_BITBANDS 2
33 /* ARMv7M container object.
34 * + Unnamed GPIO input lines: external IRQ lines for the NVIC
35 * + Named GPIO output SYSRESETREQ: signalled for guest AIRCR.SYSRESETREQ
36 * + Property "cpu-model": CPU model to instantiate
37 * + Property "num-irq": number of external IRQ lines
38 * + Property "memory": MemoryRegion defining the physical address space
39 * that CPU accesses see. (The NVIC, bitbanding and other CPU-internal
40 * devices will be automatically layered on top of this view.)
42 typedef struct ARMv7MState
{
44 SysBusDevice parent_obj
;
47 BitBandState bitband
[ARMV7M_NUM_BITBANDS
];
50 /* MemoryRegion we pass to the CPU, with our devices layered on
51 * top of the ones the board provides in board_memory.
53 MemoryRegion container
;
57 /* MemoryRegion the board provides to us (with its devices, RAM, etc) */
58 MemoryRegion
*board_memory
;