| /* |
| * ARMv7M CPU object |
| * |
| * Copyright (c) 2017 Linaro Ltd |
| * Written by Peter Maydell <peter.maydell@linaro.org> |
| * |
| * This code is licensed under the GPL version 2 or later. |
| */ |
| |
| #ifndef HW_ARM_ARMV7M_H |
| #define HW_ARM_ARMV7M_H |
| |
| #include "hw/sysbus.h" |
| #include "hw/intc/armv7m_nvic.h" |
| #include "target/arm/idau.h" |
| |
| #define TYPE_BITBAND "ARM,bitband-memory" |
| #define BITBAND(obj) OBJECT_CHECK(BitBandState, (obj), TYPE_BITBAND) |
| |
| typedef struct { |
| /*< private >*/ |
| SysBusDevice parent_obj; |
| /*< public >*/ |
| |
| AddressSpace source_as; |
| MemoryRegion iomem; |
| uint32_t base; |
| MemoryRegion *source_memory; |
| } BitBandState; |
| |
| #define TYPE_ARMV7M "armv7m" |
| #define ARMV7M(obj) OBJECT_CHECK(ARMv7MState, (obj), TYPE_ARMV7M) |
| |
| #define ARMV7M_NUM_BITBANDS 2 |
| |
| /* ARMv7M container object. |
| * + Unnamed GPIO input lines: external IRQ lines for the NVIC |
| * + Named GPIO output SYSRESETREQ: signalled for guest AIRCR.SYSRESETREQ |
| * + Property "cpu-type": CPU type to instantiate |
| * + Property "num-irq": number of external IRQ lines |
| * + Property "memory": MemoryRegion defining the physical address space |
| * that CPU accesses see. (The NVIC, bitbanding and other CPU-internal |
| * devices will be automatically layered on top of this view.) |
| * + Property "idau": IDAU interface (forwarded to CPU object) |
| * + Property "init-svtor": secure VTOR reset value (forwarded to CPU object) |
| * + Property "enable-bitband": expose bitbanded IO |
| */ |
| typedef struct ARMv7MState { |
| /*< private >*/ |
| SysBusDevice parent_obj; |
| /*< public >*/ |
| NVICState nvic; |
| BitBandState bitband[ARMV7M_NUM_BITBANDS]; |
| ARMCPU *cpu; |
| |
| /* MemoryRegion we pass to the CPU, with our devices layered on |
| * top of the ones the board provides in board_memory. |
| */ |
| MemoryRegion container; |
| |
| /* Properties */ |
| char *cpu_type; |
| /* MemoryRegion the board provides to us (with its devices, RAM, etc) */ |
| MemoryRegion *board_memory; |
| Object *idau; |
| uint32_t init_svtor; |
| bool enable_bitband; |
| } ARMv7MState; |
| |
| #endif |