| // THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT |
| |
| /* |
| * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef _HARDWARE_STRUCTS_SCB_H |
| #define _HARDWARE_STRUCTS_SCB_H |
| |
| #include "hardware/address_mapped.h" |
| #include "hardware/regs/m0plus.h" |
| |
| // Reference to datasheet: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#tab-registerlist_m0plus |
| // |
| // The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) |
| // _REG_(x) will link to the corresponding register in hardware/regs/m0plus.h. |
| // |
| // Bit-field descriptions are of the form: |
| // BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION |
| |
| typedef struct { |
| _REG_(M0PLUS_CPUID_OFFSET) // M0PLUS_CPUID |
| // Read the CPU ID Base Register to determine: the ID number of the processor core, the version number of the processor... |
| // 0xff000000 [31:24] : IMPLEMENTER (0x41): Implementor code: 0x41 = ARM |
| // 0x00f00000 [23:20] : VARIANT (0): Major revision number n in the rnpm revision status: |
| // 0x000f0000 [19:16] : ARCHITECTURE (0xc): Constant that defines the architecture of the processor: |
| // 0x0000fff0 [15:4] : PARTNO (0xc60): Number of processor within family: 0xC60 = Cortex-M0+ |
| // 0x0000000f [3:0] : REVISION (1): Minor revision number m in the rnpm revision status: |
| io_ro_32 cpuid; |
| |
| _REG_(M0PLUS_ICSR_OFFSET) // M0PLUS_ICSR |
| // Use the Interrupt Control State Register to set a pending Non-Maskable Interrupt (NMI), set or clear a pending... |
| // 0x80000000 [31] : NMIPENDSET (0): Setting this bit will activate an NMI |
| // 0x10000000 [28] : PENDSVSET (0): PendSV set-pending bit |
| // 0x08000000 [27] : PENDSVCLR (0): PendSV clear-pending bit |
| // 0x04000000 [26] : PENDSTSET (0): SysTick exception set-pending bit |
| // 0x02000000 [25] : PENDSTCLR (0): SysTick exception clear-pending bit |
| // 0x00800000 [23] : ISRPREEMPT (0): The system can only access this bit when the core is halted |
| // 0x00400000 [22] : ISRPENDING (0): External interrupt pending flag |
| // 0x001ff000 [20:12] : VECTPENDING (0): Indicates the exception number for the highest priority pending exception: 0 =... |
| // 0x000001ff [8:0] : VECTACTIVE (0): Active exception number field |
| io_rw_32 icsr; |
| |
| _REG_(M0PLUS_VTOR_OFFSET) // M0PLUS_VTOR |
| // The VTOR holds the vector table offset address |
| // 0xffffff00 [31:8] : TBLOFF (0): Bits [31:8] of the indicate the vector table offset address |
| io_rw_32 vtor; |
| |
| _REG_(M0PLUS_AIRCR_OFFSET) // M0PLUS_AIRCR |
| // Use the Application Interrupt and Reset Control Register to: determine data endianness, clear all active state... |
| // 0xffff0000 [31:16] : VECTKEY (0): Register key: |
| // 0x00008000 [15] : ENDIANESS (0): Data endianness implemented: |
| // 0x00000004 [2] : SYSRESETREQ (0): Writing 1 to this bit causes the SYSRESETREQ signal to the outer system to be... |
| // 0x00000002 [1] : VECTCLRACTIVE (0): Clears all active state information for fixed and configurable exceptions |
| io_rw_32 aircr; |
| |
| _REG_(M0PLUS_SCR_OFFSET) // M0PLUS_SCR |
| // System Control Register |
| // 0x00000010 [4] : SEVONPEND (0): Send Event on Pending bit: |
| // 0x00000004 [2] : SLEEPDEEP (0): Controls whether the processor uses sleep or deep sleep as its low power mode: |
| // 0x00000002 [1] : SLEEPONEXIT (0): Indicates sleep-on-exit when returning from Handler mode to Thread mode: |
| io_rw_32 scr; |
| } armv6m_scb_t; |
| |
| #define scb_hw ((armv6m_scb_t *)(PPB_BASE + M0PLUS_CPUID_OFFSET)) |
| |
| #endif |