Define SCB module's registers

This commit is contained in:
Steins7 2024-07-13 21:14:44 +02:00
parent 9681755168
commit 97dad53621

192
drv/scb_regs.h Normal file
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/** @file scb_regs.h
* Module defining System Control Block (SCB) registers.
*
* Mainly made to be used by the scb module. It is recommanded to go through
* the functions provided by that module instead of directly using the registers
* defined here.
*/
#ifndef _SCB_REGS_H_
#define _SCB_REGS_H_
//--includes--------------------------------------------------------------------
#include "stdint.h"
//--type definitions------------------------------------------------------------
#define SCB_BASE_ADDRESS 0xE000ED00
union SCB_CPUID {
struct {
uint32_t revision:4;
uint32_t part_no:12;
uint32_t constant:4;
uint32_t variant:4;
uint32_t implementer:8;
};
uint32_t word;
};
union SCB_ICSR {
struct {
uint32_t VECTACTIVE:9;
uint32_t reserved1:2;
uint32_t RETOBASE:1;
uint32_t VECTPENDING:10;
uint32_t ISRPENDING:1;
uint32_t reserved2:2;
uint32_t PENDSTCLR:1;
uint32_t PENDSTSET:1;
uint32_t PENDSVCRL:1;
uint32_t PENDSVSET:1;
uint32_t reserved3:2;
uint32_t NMIPENDSET:1;
};
uint32_t word;
};
union SCB_VTOR {
struct {
uint32_t reserved1:9;
uint32_t TABLEOFF:21;
uint32_t reserved2:2;
};
uint32_t word;
};
union SCB_AIRCR {
struct {
uint32_t VECTRESET:1;
uint32_t VECTCRLACTIVE:1;
uint32_t SYSRESETREQ:1;
uint32_t reserved1:5;
uint32_t PRIGROUP:3;
uint32_t reserved2:4;
uint32_t ENDIANESS:1;
uint32_t VECTKEY:16;
};
uint32_t word;
};
union SCB_SCR {
struct {
uint32_t reserved1:1;
uint32_t SLEEPONEXIT:1;
uint32_t SLEEPDEEP:1;
uint32_t reserved2:1;
uint32_t SEVONPEND:1;
uint32_t reserved3:27;
};
uint32_t word;
};
union SCB_CCR {
struct {
uint32_t NONBASETHRDEN:1;
uint32_t USERSETMPEND:1;
uint32_t reserved1:1;
uint32_t UNALIGN_TRP:1;
uint32_t DIV_0_TRP:1;
uint32_t reserved2:3;
uint32_t BFHFNIGN:1;
uint32_t STKALIGN:1;
uint32_t reserved3:22;
};
uint32_t word;
};
union SCB_SHPR1 {
struct {
uint32_t PRI4:8;
uint32_t PRI5:8;
uint32_t PRI6:8;
uint32_t reserved1:8;
};
uint32_t word;
};
union SCB_SHPR2 {
struct {
uint32_t reserved1:24;
uint32_t PRI11:8;
};
uint32_t word;
};
union SCB_SHPR3 {
struct {
uint32_t reserved1:16;
uint32_t PRI14:8;
uint32_t PRI15:8;
};
uint32_t word;
};
union SCB_SHCRS {
struct {
uint32_t MEMFAULTACT:1;
uint32_t BUSFAULTACT:1;
uint32_t reserved1:1;
uint32_t USGFAULTACT:1;
uint32_t reserved2:3;
uint32_t SVCALLACT:1;
uint32_t MONITORACT:1;
uint32_t reserved3:1;
uint32_t PENDSVACT:1;
uint32_t SYSTICKACT:1;
uint32_t USGFAULTPENDED:1;
uint32_t MEMFAULTPENDED:1;
uint32_t BUSFAULTPENDED:1;
uint32_t SVCALLPENDED:1;
uint32_t MEMFAULTENA:1;
uint32_t BUSFAULTENA:1;
uint32_t USGFAULTENA:1;
uint32_t reserved4:13;
};
uint32_t word;
};
union SCB_CFSR {
struct {
uint32_t MMFSR:8;
uint32_t BFSR:8;
uint32_t UFSR:16;
};
uint32_t word;
};
union SCB_HFSR {
struct {
uint32_t reserved1:1;
uint32_t VECTTBL:1;
uint32_t reserved2:28;
uint32_t FORCED:1;
uint32_t DEBUG_VT:1;
};
uint32_t word;
};
struct SCB {
union SCB_CPUID CPUID;
union SCB_ICSR ICSR;
union SCB_VTOR VTOR;
union SCB_AIRCR AIRCR;
union SCB_SCR SCR;
union SCB_CCR CCR;
union SCB_SHPR1 SHPR1;
union SCB_SHPR2 SHPR2;
union SCB_SHPR3 SHPR3;
union SCB_SHCRS SHCRS;
union SCB_CFSR CFSR;
union SCB_HFSR HFSR;
uint32_t MMAR;
uint32_t BFAR;
};
//--functions-------------------------------------------------------------------
#endif //_PWR_REGS_H_