From Ben Katz mbed-dev library. Removed unnecessary target files to reduce the overall size by a factor of 10 to make it easier to import into the online IDE.
Dependents: motor_driver motor_driver_screaming_fix
Diff: cmsis/core_ca.h
- Revision:
- 0:083111ae2a11
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/cmsis/core_ca.h Thu Nov 26 04:08:56 2020 +0000 @@ -0,0 +1,2016 @@ +/**************************************************************************//** + * @file core_ca.h + * @brief CMSIS Cortex-A Core Peripheral Access Layer Header File + * @version V1.00 + * @date 22. Feb 2017 + ******************************************************************************/ +/* + * Copyright (c) 2009-2017 ARM Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#if defined ( __ICCARM__ ) + #pragma system_include /* treat file as system include file for MISRA check */ +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +#ifndef __CORE_CA_H_GENERIC +#define __CORE_CA_H_GENERIC + + +/******************************************************************************* + * CMSIS definitions + ******************************************************************************/ + +/* CMSIS CA definitions */ +#define __CA_CMSIS_VERSION_MAIN (1U) /*!< \brief [31:16] CMSIS HAL main version */ +#define __CA_CMSIS_VERSION_SUB (0U) /*!< \brief [15:0] CMSIS HAL sub version */ +#define __CA_CMSIS_VERSION ((__CA_CMSIS_VERSION_MAIN << 16U) | \ + __CA_CMSIS_VERSION_SUB ) /*!< \brief CMSIS HAL version number */ + +#if defined ( __CC_ARM ) + #if defined __TARGET_FPU_VFP + #if (__FPU_PRESENT == 1) + #define __FPU_USED 1U + #else + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #define __FPU_USED 0U + #endif + #else + #define __FPU_USED 0U + #endif + +#elif defined ( __ICCARM__ ) + #if defined __ARMVFP__ + #if (__FPU_PRESENT == 1) + #define __FPU_USED 1U + #else + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #define __FPU_USED 0U + #endif + #else + #define __FPU_USED 0U + #endif + +#elif defined ( __TMS470__ ) + #if defined __TI_VFP_SUPPORT__ + #if (__FPU_PRESENT == 1) + #define __FPU_USED 1U + #else + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #define __FPU_USED 0U + #endif + #else + #define __FPU_USED 0U + #endif + +#elif defined ( __GNUC__ ) + #if defined (__VFP_FP__) && !defined(__SOFTFP__) + #if (__FPU_PRESENT == 1) + #define __FPU_USED 1U + #else + #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #define __FPU_USED 0U + #endif + #else + #define __FPU_USED 0U + #endif + +#elif defined ( __TASKING__ ) + #if defined __FPU_VFP__ + #if (__FPU_PRESENT == 1) + #define __FPU_USED 1U + #else + #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" + #define __FPU_USED 0U + #endif + #else + #define __FPU_USED 0U + #endif +#endif + +#include "cmsis_compiler.h" /* CMSIS compiler specific defines */ + +#ifdef __cplusplus +} +#endif + +#endif /* __CORE_CA_H_GENERIC */ + +#ifndef __CMSIS_GENERIC + +#ifndef __CORE_CA_H_DEPENDANT +#define __CORE_CA_H_DEPENDANT + +#ifdef __cplusplus + extern "C" { +#endif + + /* check device defines and use defaults */ +#if defined __CHECK_DEVICE_DEFINES + #ifndef __CA_REV + #define __CA_REV 0x0000U + #warning "__CA_REV not defined in device header file; using default!" + #endif + + #ifndef __FPU_PRESENT + #define __FPU_PRESENT 0U + #warning "__FPU_PRESENT not defined in device header file; using default!" + #endif + + #ifndef __MPU_PRESENT + #define __MPU_PRESENT 0U + #warning "__MPU_PRESENT not defined in device header file; using default!" + #endif + + #ifndef __GIC_PRESENT + #define __GIC_PRESENT 1U + #warning "__GIC_PRESENT not defined in device header file; using default!" + #endif + + #ifndef __TIM_PRESENT + #define __TIM_PRESENT 1U + #warning "__TIM_PRESENT not defined in device header file; using default!" + #endif + + #ifndef __L2C_PRESENT + #define __L2C_PRESENT 0U + #warning "__L2C_PRESENT not defined in device header file; using default!" + #endif +#endif + +/* IO definitions (access restrictions to peripheral registers) */ +#ifdef __cplusplus + #define __I volatile /*!< \brief Defines 'read only' permissions */ +#else + #define __I volatile const /*!< \brief Defines 'read only' permissions */ +#endif +#define __O volatile /*!< \brief Defines 'write only' permissions */ +#define __IO volatile /*!< \brief Defines 'read / write' permissions */ + +/* following defines should be used for structure members */ +#define __IM volatile const /*!< \brief Defines 'read only' structure member permissions */ +#define __OM volatile /*!< \brief Defines 'write only' structure member permissions */ +#define __IOM volatile /*!< \brief Defines 'read / write' structure member permissions */ + + + /******************************************************************************* + * Register Abstraction + Core Register contain: + - CPSR + - CP15 Registers + - L2C-310 Cache Controller + - Generic Interrupt Controller Distributor + - Generic Interrupt Controller Interface + ******************************************************************************/ + +/* Core Register CPSR */ +typedef union +{ + struct + { + uint32_t M:5; /*!< \brief bit: 0.. 4 Mode field */ + uint32_t T:1; /*!< \brief bit: 5 Thumb execution state bit */ + uint32_t F:1; /*!< \brief bit: 6 FIQ mask bit */ + uint32_t I:1; /*!< \brief bit: 7 IRQ mask bit */ + uint32_t A:1; /*!< \brief bit: 8 Asynchronous abort mask bit */ + uint32_t E:1; /*!< \brief bit: 9 Endianness execution state bit */ + uint32_t IT1:6; /*!< \brief bit: 10..15 If-Then execution state bits 2-7 */ + uint32_t GE:4; /*!< \brief bit: 16..19 Greater than or Equal flags */ + uint32_t _reserved0:4; /*!< \brief bit: 20..23 Reserved */ + uint32_t J:1; /*!< \brief bit: 24 Jazelle bit */ + uint32_t IT0:2; /*!< \brief bit: 25..26 If-Then execution state bits 0-1 */ + uint32_t Q:1; /*!< \brief bit: 27 Saturation condition flag */ + uint32_t V:1; /*!< \brief bit: 28 Overflow condition code flag */ + uint32_t C:1; /*!< \brief bit: 29 Carry condition code flag */ + uint32_t Z:1; /*!< \brief bit: 30 Zero condition code flag */ + uint32_t N:1; /*!< \brief bit: 31 Negative condition code flag */ + } b; /*!< \brief Structure used for bit access */ + uint32_t w; /*!< \brief Type used for word access */ +} CPSR_Type; + +/* CPSR Register Definitions */ +#define CPSR_N_Pos 31U /*!< \brief CPSR: N Position */ +#define CPSR_N_Msk (1UL << CPSR_N_Pos) /*!< \brief CPSR: N Mask */ + +#define CPSR_Z_Pos 30U /*!< \brief CPSR: Z Position */ +#define CPSR_Z_Msk (1UL << CPSR_Z_Pos) /*!< \brief CPSR: Z Mask */ + +#define CPSR_C_Pos 29U /*!< \brief CPSR: C Position */ +#define CPSR_C_Msk (1UL << CPSR_C_Pos) /*!< \brief CPSR: C Mask */ + +#define CPSR_V_Pos 28U /*!< \brief CPSR: V Position */ +#define CPSR_V_Msk (1UL << CPSR_V_Pos) /*!< \brief CPSR: V Mask */ + +#define CPSR_Q_Pos 27U /*!< \brief CPSR: Q Position */ +#define CPSR_Q_Msk (1UL << CPSR_Q_Pos) /*!< \brief CPSR: Q Mask */ + +#define CPSR_IT0_Pos 25U /*!< \brief CPSR: IT0 Position */ +#define CPSR_IT0_Msk (3UL << CPSR_IT0_Pos) /*!< \brief CPSR: IT0 Mask */ + +#define CPSR_J_Pos 24U /*!< \brief CPSR: J Position */ +#define CPSR_J_Msk (1UL << CPSR_J_Pos) /*!< \brief CPSR: J Mask */ + +#define CPSR_GE_Pos 16U /*!< \brief CPSR: GE Position */ +#define CPSR_GE_Msk (0xFUL << CPSR_GE_Pos) /*!< \brief CPSR: GE Mask */ + +#define CPSR_IT1_Pos 10U /*!< \brief CPSR: IT1 Position */ +#define CPSR_IT1_Msk (0x3FUL << CPSR_IT1_Pos) /*!< \brief CPSR: IT1 Mask */ + +#define CPSR_E_Pos 9U /*!< \brief CPSR: E Position */ +#define CPSR_E_Msk (1UL << CPSR_E_Pos) /*!< \brief CPSR: E Mask */ + +#define CPSR_A_Pos 8U /*!< \brief CPSR: A Position */ +#define CPSR_A_Msk (1UL << CPSR_A_Pos) /*!< \brief CPSR: A Mask */ + +#define CPSR_I_Pos 7U /*!< \brief CPSR: I Position */ +#define CPSR_I_Msk (1UL << CPSR_I_Pos) /*!< \brief CPSR: I Mask */ + +#define CPSR_F_Pos 6U /*!< \brief CPSR: F Position */ +#define CPSR_F_Msk (1UL << CPSR_F_Pos) /*!< \brief CPSR: F Mask */ + +#define CPSR_T_Pos 5U /*!< \brief CPSR: T Position */ +#define CPSR_T_Msk (1UL << CPSR_T_Pos) /*!< \brief CPSR: T Mask */ + +#define CPSR_M_Pos 0U /*!< \brief CPSR: M Position */ +#define CPSR_M_Msk (0x1FUL << CPSR_M_Pos) /*!< \brief CPSR: M Mask */ + +/* CP15 Register SCTLR */ +typedef union +{ + struct + { + uint32_t M:1; /*!< \brief bit: 0 MMU enable */ + uint32_t A:1; /*!< \brief bit: 1 Alignment check enable */ + uint32_t C:1; /*!< \brief bit: 2 Cache enable */ + uint32_t _reserved0:2; /*!< \brief bit: 3.. 4 Reserved */ + uint32_t CP15BEN:1; /*!< \brief bit: 5 CP15 barrier enable */ + uint32_t _reserved1:1; /*!< \brief bit: 6 Reserved */ + uint32_t B:1; /*!< \brief bit: 7 Endianness model */ + uint32_t _reserved2:2; /*!< \brief bit: 8.. 9 Reserved */ + uint32_t SW:1; /*!< \brief bit: 10 SWP and SWPB enable */ + uint32_t Z:1; /*!< \brief bit: 11 Branch prediction enable */ + uint32_t I:1; /*!< \brief bit: 12 Instruction cache enable */ + uint32_t V:1; /*!< \brief bit: 13 Vectors bit */ + uint32_t RR:1; /*!< \brief bit: 14 Round Robin select */ + uint32_t _reserved3:2; /*!< \brief bit:15..16 Reserved */ + uint32_t HA:1; /*!< \brief bit: 17 Hardware Access flag enable */ + uint32_t _reserved4:1; /*!< \brief bit: 18 Reserved */ + uint32_t WXN:1; /*!< \brief bit: 19 Write permission implies XN */ + uint32_t UWXN:1; /*!< \brief bit: 20 Unprivileged write permission implies PL1 XN */ + uint32_t FI:1; /*!< \brief bit: 21 Fast interrupts configuration enable */ + uint32_t U:1; /*!< \brief bit: 22 Alignment model */ + uint32_t _reserved5:1; /*!< \brief bit: 23 Reserved */ + uint32_t VE:1; /*!< \brief bit: 24 Interrupt Vectors Enable */ + uint32_t EE:1; /*!< \brief bit: 25 Exception Endianness */ + uint32_t _reserved6:1; /*!< \brief bit: 26 Reserved */ + uint32_t NMFI:1; /*!< \brief bit: 27 Non-maskable FIQ (NMFI) support */ + uint32_t TRE:1; /*!< \brief bit: 28 TEX remap enable. */ + uint32_t AFE:1; /*!< \brief bit: 29 Access flag enable */ + uint32_t TE:1; /*!< \brief bit: 30 Thumb Exception enable */ + uint32_t _reserved7:1; /*!< \brief bit: 31 Reserved */ + } b; /*!< \brief Structure used for bit access */ + uint32_t w; /*!< \brief Type used for word access */ +} SCTLR_Type; + +#define SCTLR_TE_Pos 30U /*!< \brief SCTLR: TE Position */ +#define SCTLR_TE_Msk (1UL << SCTLR_TE_Pos) /*!< \brief SCTLR: TE Mask */ + +#define SCTLR_AFE_Pos 29U /*!< \brief SCTLR: AFE Position */ +#define SCTLR_AFE_Msk (1UL << SCTLR_AFE_Pos) /*!< \brief SCTLR: AFE Mask */ + +#define SCTLR_TRE_Pos 28U /*!< \brief SCTLR: TRE Position */ +#define SCTLR_TRE_Msk (1UL << SCTLR_TRE_Pos) /*!< \brief SCTLR: TRE Mask */ + +#define SCTLR_NMFI_Pos 27U /*!< \brief SCTLR: NMFI Position */ +#define SCTLR_NMFI_Msk (1UL << SCTLR_NMFI_Pos) /*!< \brief SCTLR: NMFI Mask */ + +#define SCTLR_EE_Pos 25U /*!< \brief SCTLR: EE Position */ +#define SCTLR_EE_Msk (1UL << SCTLR_EE_Pos) /*!< \brief SCTLR: EE Mask */ + +#define SCTLR_VE_Pos 24U /*!< \brief SCTLR: VE Position */ +#define SCTLR_VE_Msk (1UL << SCTLR_VE_Pos) /*!< \brief SCTLR: VE Mask */ + +#define SCTLR_U_Pos 22U /*!< \brief SCTLR: U Position */ +#define SCTLR_U_Msk (1UL << SCTLR_U_Pos) /*!< \brief SCTLR: U Mask */ + +#define SCTLR_FI_Pos 21U /*!< \brief SCTLR: FI Position */ +#define SCTLR_FI_Msk (1UL << SCTLR_FI_Pos) /*!< \brief SCTLR: FI Mask */ + +#define SCTLR_UWXN_Pos 20U /*!< \brief SCTLR: UWXN Position */ +#define SCTLR_UWXN_Msk (1UL << SCTLR_UWXN_Pos) /*!< \brief SCTLR: UWXN Mask */ + +#define SCTLR_WXN_Pos 19U /*!< \brief SCTLR: WXN Position */ +#define SCTLR_WXN_Msk (1UL << SCTLR_WXN_Pos) /*!< \brief SCTLR: WXN Mask */ + +#define SCTLR_HA_Pos 17U /*!< \brief SCTLR: HA Position */ +#define SCTLR_HA_Msk (1UL << SCTLR_HA_Pos) /*!< \brief SCTLR: HA Mask */ + +#define SCTLR_RR_Pos 14U /*!< \brief SCTLR: RR Position */ +#define SCTLR_RR_Msk (1UL << SCTLR_RR_Pos) /*!< \brief SCTLR: RR Mask */ + +#define SCTLR_V_Pos 13U /*!< \brief SCTLR: V Position */ +#define SCTLR_V_Msk (1UL << SCTLR_V_Pos) /*!< \brief SCTLR: V Mask */ + +#define SCTLR_I_Pos 12U /*!< \brief SCTLR: I Position */ +#define SCTLR_I_Msk (1UL << SCTLR_I_Pos) /*!< \brief SCTLR: I Mask */ + +#define SCTLR_Z_Pos 11U /*!< \brief SCTLR: Z Position */ +#define SCTLR_Z_Msk (1UL << SCTLR_Z_Pos) /*!< \brief SCTLR: Z Mask */ + +#define SCTLR_SW_Pos 10U /*!< \brief SCTLR: SW Position */ +#define SCTLR_SW_Msk (1UL << SCTLR_SW_Pos) /*!< \brief SCTLR: SW Mask */ + +#define SCTLR_B_Pos 7U /*!< \brief SCTLR: B Position */ +#define SCTLR_B_Msk (1UL << SCTLR_B_Pos) /*!< \brief SCTLR: B Mask */ + +#define SCTLR_CP15BEN_Pos 5U /*!< \brief SCTLR: CP15BEN Position */ +#define SCTLR_CP15BEN_Msk (1UL << SCTLR_CP15BEN_Pos) /*!< \brief SCTLR: CP15BEN Mask */ + +#define SCTLR_C_Pos 2U /*!< \brief SCTLR: C Position */ +#define SCTLR_C_Msk (1UL << SCTLR_C_Pos) /*!< \brief SCTLR: C Mask */ + +#define SCTLR_A_Pos 1U /*!< \brief SCTLR: A Position */ +#define SCTLR_A_Msk (1UL << SCTLR_A_Pos) /*!< \brief SCTLR: A Mask */ + +#define SCTLR_M_Pos 0U /*!< \brief SCTLR: M Position */ +#define SCTLR_M_Msk (1UL << SCTLR_M_Pos) /*!< \brief SCTLR: M Mask */ + +/* CP15 Register CPACR */ +typedef union +{ + struct + { + uint32_t _reserved0:20; /*!< \brief bit: 0..19 Reserved */ + uint32_t cp10:2; /*!< \brief bit:20..21 Access rights for coprocessor 10 */ + uint32_t cp11:2; /*!< \brief bit:22..23 Access rights for coprocessor 11 */ + uint32_t _reserved1:6; /*!< \brief bit:24..29 Reserved */ + uint32_t D32DIS:1; /*!< \brief bit: 30 Disable use of registers D16-D31 of the VFP register file */ + uint32_t ASEDIS:1; /*!< \brief bit: 31 Disable Advanced SIMD Functionality */ + } b; /*!< \brief Structure used for bit access */ + uint32_t w; /*!< \brief Type used for word access */ +} CPACR_Type; + +#define CPACR_ASEDIS_Pos 31U /*!< \brief CPACR: ASEDIS Position */ +#define CPACR_ASEDIS_Msk (1UL << CPACR_ASEDIS_Pos) /*!< \brief CPACR: ASEDIS Mask */ + +#define CPACR_D32DIS_Pos 30U /*!< \brief CPACR: D32DIS Position */ +#define CPACR_D32DIS_Msk (1UL << CPACR_D32DIS_Pos) /*!< \brief CPACR: D32DIS Mask */ + +#define CPACR_cp11_Pos 22U /*!< \brief CPACR: cp11 Position */ +#define CPACR_cp11_Msk (3UL << CPACR_cp11_Pos) /*!< \brief CPACR: cp11 Mask */ + +#define CPACR_cp10_Pos 20U /*!< \brief CPACR: cp10 Position */ +#define CPACR_cp10_Msk (3UL << CPACR_cp10_Pos) /*!< \brief CPACR: cp10 Mask */ + +/* CP15 Register DFSR */ +typedef union +{ + struct + { + uint32_t FS0:4; /*!< \brief bit: 0.. 3 Fault Status bits bit 0-3 */ + uint32_t Domain:4; /*!< \brief bit: 4.. 7 Fault on which domain */ + uint32_t _reserved0:2; /*!< \brief bit: 8.. 9 Reserved */ + uint32_t FS1:1; /*!< \brief bit: 10 Fault Status bits bit 4 */ + uint32_t WnR:1; /*!< \brief bit: 11 Write not Read bit */ + uint32_t ExT:1; /*!< \brief bit: 12 External abort type */ + uint32_t CM:1; /*!< \brief bit: 13 Cache maintenance fault */ + uint32_t _reserved1:18; /*!< \brief bit:14..31 Reserved */ + } b; /*!< \brief Structure used for bit access */ + uint32_t w; /*!< \brief Type used for word access */ +} DFSR_Type; + +#define DFSR_CM_Pos 13U /*!< \brief DFSR: CM Position */ +#define DFSR_CM_Msk (1UL << DFSR_CM_Pos) /*!< \brief DFSR: CM Mask */ + +#define DFSR_Ext_Pos 12U /*!< \brief DFSR: Ext Position */ +#define DFSR_Ext_Msk (1UL << DFSR_Ext_Pos) /*!< \brief DFSR: Ext Mask */ + +#define DFSR_WnR_Pos 11U /*!< \brief DFSR: WnR Position */ +#define DFSR_WnR_Msk (1UL << DFSR_WnR_Pos) /*!< \brief DFSR: WnR Mask */ + +#define DFSR_FS1_Pos 10U /*!< \brief DFSR: FS1 Position */ +#define DFSR_FS1_Msk (1UL << DFSR_FS1_Pos) /*!< \brief DFSR: FS1 Mask */ + +#define DFSR_Domain_Pos 4U /*!< \brief DFSR: Domain Position */ +#define DFSR_Domain_Msk (0xFUL << DFSR_Domain_Pos) /*!< \brief DFSR: Domain Mask */ + +#define DFSR_FS0_Pos 0U /*!< \brief DFSR: FS0 Position */ +#define DFSR_FS0_Msk (0xFUL << DFSR_FS0_Pos) /*!< \brief DFSR: FS0 Mask */ + +/* CP15 Register IFSR */ +typedef union +{ + struct + { + uint32_t FS0:4; /*!< \brief bit: 0.. 3 Fault Status bits bit 0-3 */ + uint32_t _reserved0:6; /*!< \brief bit: 4.. 9 Reserved */ + uint32_t FS1:1; /*!< \brief bit: 10 Fault Status bits bit 4 */ + uint32_t _reserved1:1; /*!< \brief bit: 11 Reserved */ + uint32_t ExT:1; /*!< \brief bit: 12 External abort type */ + uint32_t _reserved2:19; /*!< \brief bit:13..31 Reserved */ + } b; /*!< \brief Structure used for bit access */ + uint32_t w; /*!< \brief Type used for word access */ +} IFSR_Type; + +#define IFSR_ExT_Pos 12U /*!< \brief IFSR: ExT Position */ +#define IFSR_ExT_Msk (1UL << IFSR_ExT_Pos) /*!< \brief IFSR: ExT Mask */ + +#define IFSR_FS1_Pos 10U /*!< \brief IFSR: FS1 Position */ +#define IFSR_FS1_Msk (1UL << IFSR_FS1_Pos) /*!< \brief IFSR: FS1 Mask */ + +#define IFSR_FS0_Pos 0U /*!< \brief IFSR: FS0 Position */ +#define IFSR_FS0_Msk (0xFUL << IFSR_FS0_Pos) /*!< \brief IFSR: FS0 Mask */ + +/* CP15 Register ISR */ +typedef union +{ + struct + { + uint32_t _reserved0:6; /*!< \brief bit: 0.. 5 Reserved */ + uint32_t F:1; /*!< \brief bit: 6 FIQ pending bit */ + uint32_t I:1; /*!< \brief bit: 7 IRQ pending bit */ + uint32_t A:1; /*!< \brief bit: 8 External abort pending bit */ + uint32_t _reserved1:23; /*!< \brief bit:14..31 Reserved */ + } b; /*!< \brief Structure used for bit access */ + uint32_t w; /*!< \brief Type used for word access */ +} ISR_Type; + +#define ISR_A_Pos 13U /*!< \brief ISR: A Position */ +#define ISR_A_Msk (1UL << ISR_A_Pos) /*!< \brief ISR: A Mask */ + +#define ISR_I_Pos 12U /*!< \brief ISR: I Position */ +#define ISR_I_Msk (1UL << ISR_I_Pos) /*!< \brief ISR: I Mask */ + +#define ISR_F_Pos 11U /*!< \brief ISR: F Position */ +#define ISR_F_Msk (1UL << ISR_F_Pos) /*!< \brief ISR: F Mask */ + + +/** + \brief Union type to access the L2C_310 Cache Controller. +*/ +#if (__L2C_PRESENT == 1U) +typedef struct +{ + __I uint32_t CACHE_ID; /*!< \brief Offset: 0x0000 Cache ID Register */ + __I uint32_t CACHE_TYPE; /*!< \brief Offset: 0x0004 Cache Type Register */ + uint32_t RESERVED0[0x3e]; + __IO uint32_t CONTROL; /*!< \brief Offset: 0x0100 Control Register */ + __IO uint32_t AUX_CNT; /*!< \brief Offset: 0x0104 Auxiliary Control */ + uint32_t RESERVED1[0x3e]; + __IO uint32_t EVENT_CONTROL; /*!< \brief Offset: 0x0200 Event Counter Control */ + __IO uint32_t EVENT_COUNTER1_CONF; /*!< \brief Offset: 0x0204 Event Counter 1 Configuration */ + __IO uint32_t EVENT_COUNTER0_CONF; /*!< \brief Offset: 0x0208 Event Counter 1 Configuration */ + uint32_t RESERVED2[0x2]; + __IO uint32_t INTERRUPT_MASK; /*!< \brief Offset: 0x0214 Interrupt Mask */ + __I uint32_t MASKED_INT_STATUS; /*!< \brief Offset: 0x0218 Masked Interrupt Status */ + __I uint32_t RAW_INT_STATUS; /*!< \brief Offset: 0x021c Raw Interrupt Status */ + __O uint32_t INTERRUPT_CLEAR; /*!< \brief Offset: 0x0220 Interrupt Clear */ + uint32_t RESERVED3[0x143]; + __IO uint32_t CACHE_SYNC; /*!< \brief Offset: 0x0730 Cache Sync */ + uint32_t RESERVED4[0xf]; + __IO uint32_t INV_LINE_PA; /*!< \brief Offset: 0x0770 Invalidate Line By PA */ + uint32_t RESERVED6[2]; + __IO uint32_t INV_WAY; /*!< \brief Offset: 0x077c Invalidate by Way */ + uint32_t RESERVED5[0xc]; + __IO uint32_t CLEAN_LINE_PA; /*!< \brief Offset: 0x07b0 Clean Line by PA */ + uint32_t RESERVED7[1]; + __IO uint32_t CLEAN_LINE_INDEX_WAY; /*!< \brief Offset: 0x07b8 Clean Line by Index/Way */ + __IO uint32_t CLEAN_WAY; /*!< \brief Offset: 0x07bc Clean by Way */ + uint32_t RESERVED8[0xc]; + __IO uint32_t CLEAN_INV_LINE_PA; /*!< \brief Offset: 0x07f0 Clean and Invalidate Line by PA */ + uint32_t RESERVED9[1]; + __IO uint32_t CLEAN_INV_LINE_INDEX_WAY; /*!< \brief Offset: 0x07f8 Clean and Invalidate Line by Index/Way */ + __IO uint32_t CLEAN_INV_WAY; /*!< \brief Offset: 0x07fc Clean and Invalidate by Way */ + uint32_t RESERVED10[0x40]; + __IO uint32_t DATA_LOCK_0_WAY; /*!< \brief Offset: 0x0900 Data Lockdown 0 by Way */ + __IO uint32_t INST_LOCK_0_WAY; /*!< \brief Offset: 0x0904 Instruction Lockdown 0 by Way */ + __IO uint32_t DATA_LOCK_1_WAY; /*!< \brief Offset: 0x0908 Data Lockdown 1 by Way */ + __IO uint32_t INST_LOCK_1_WAY; /*!< \brief Offset: 0x090c Instruction Lockdown 1 by Way */ + __IO uint32_t DATA_LOCK_2_WAY; /*!< \brief Offset: 0x0910 Data Lockdown 2 by Way */ + __IO uint32_t INST_LOCK_2_WAY; /*!< \brief Offset: 0x0914 Instruction Lockdown 2 by Way */ + __IO uint32_t DATA_LOCK_3_WAY; /*!< \brief Offset: 0x0918 Data Lockdown 3 by Way */ + __IO uint32_t INST_LOCK_3_WAY; /*!< \brief Offset: 0x091c Instruction Lockdown 3 by Way */ + __IO uint32_t DATA_LOCK_4_WAY; /*!< \brief Offset: 0x0920 Data Lockdown 4 by Way */ + __IO uint32_t INST_LOCK_4_WAY; /*!< \brief Offset: 0x0924 Instruction Lockdown 4 by Way */ + __IO uint32_t DATA_LOCK_5_WAY; /*!< \brief Offset: 0x0928 Data Lockdown 5 by Way */ + __IO uint32_t INST_LOCK_5_WAY; /*!< \brief Offset: 0x092c Instruction Lockdown 5 by Way */ + __IO uint32_t DATA_LOCK_6_WAY; /*!< \brief Offset: 0x0930 Data Lockdown 5 by Way */ + __IO uint32_t INST_LOCK_6_WAY; /*!< \brief Offset: 0x0934 Instruction Lockdown 5 by Way */ + __IO uint32_t DATA_LOCK_7_WAY; /*!< \brief Offset: 0x0938 Data Lockdown 6 by Way */ + __IO uint32_t INST_LOCK_7_WAY; /*!< \brief Offset: 0x093c Instruction Lockdown 6 by Way */ + uint32_t RESERVED11[0x4]; + __IO uint32_t LOCK_LINE_EN; /*!< \brief Offset: 0x0950 Lockdown by Line Enable */ + __IO uint32_t UNLOCK_ALL_BY_WAY; /*!< \brief Offset: 0x0954 Unlock All Lines by Way */ + uint32_t RESERVED12[0xaa]; + __IO uint32_t ADDRESS_FILTER_START; /*!< \brief Offset: 0x0c00 Address Filtering Start */ + __IO uint32_t ADDRESS_FILTER_END; /*!< \brief Offset: 0x0c04 Address Filtering End */ + uint32_t RESERVED13[0xce]; + __IO uint32_t DEBUG_CONTROL; /*!< \brief Offset: 0x0f40 Debug Control Register */ +} L2C_310_TypeDef; + +#define L2C_310 ((L2C_310_TypeDef *)L2C_310_BASE) /*!< \brief L2C_310 Declaration */ +#endif + +#if (__GIC_PRESENT == 1U) +/** \brief Structure type to access the Generic Interrupt Controller Distributor (GICD) +*/ +typedef struct +{ + __IO uint32_t ICDDCR; + __I uint32_t ICDICTR; + __I uint32_t ICDIIDR; + uint32_t RESERVED0[29]; + __IO uint32_t ICDISR[32]; + __IO uint32_t ICDISER[32]; + __IO uint32_t ICDICER[32]; + __IO uint32_t ICDISPR[32]; + __IO uint32_t ICDICPR[32]; + __I uint32_t ICDABR[32]; + uint32_t RESERVED1[32]; + __IO uint32_t ICDIPR[256]; + __IO uint32_t ICDIPTR[256]; + __IO uint32_t ICDICFR[64]; + uint32_t RESERVED2[128]; + __IO uint32_t ICDSGIR; +} GICDistributor_Type; + +#define GICDistributor ((GICDistributor_Type *) GIC_DISTRIBUTOR_BASE ) /*!< GIC Distributor configuration struct */ + +/** \brief Structure type to access the Generic Interrupt Controller Interface (GICC) +*/ +typedef struct +{ + __IO uint32_t ICCICR; //!< \brief +0x000 - RW - CPU Interface Control Register + __IO uint32_t ICCPMR; //!< \brief +0x004 - RW - Interrupt Priority Mask Register + __IO uint32_t ICCBPR; //!< \brief +0x008 - RW - Binary Point Register + __I uint32_t ICCIAR; //!< \brief +0x00C - RO - Interrupt Acknowledge Register + __IO uint32_t ICCEOIR; //!< \brief +0x010 - WO - End of Interrupt Register + __I uint32_t ICCRPR; //!< \brief +0x014 - RO - Running Priority Register + __I uint32_t ICCHPIR; //!< \brief +0x018 - RO - Highest Pending Interrupt Register + __IO uint32_t ICCABPR; //!< \brief +0x01C - RW - Aliased Binary Point Register + uint32_t RESERVED[55]; + __I uint32_t ICCIIDR; //!< \brief +0x0FC - RO - CPU Interface Identification Register +} GICInterface_Type; + +#define GICInterface ((GICInterface_Type *) GIC_INTERFACE_BASE ) /*!< GIC Interface configuration struct */ +#endif + +#if (__TIM_PRESENT == 1U) +#if ((__CORTEX_A == 5U)||(__CORTEX_A == 9U)) +/** \brief Structure type to access the Private Timer +*/ +typedef struct +{ + __IO uint32_t LOAD; //!< \brief +0x000 - RW - Private Timer Load Register + __IO uint32_t COUNTER; //!< \brief +0x004 - RW - Private Timer Counter Register + __IO uint32_t CONTROL; //!< \brief +0x008 - RW - Private Timer Control Register + __IO uint32_t ISR; //!< \brief +0x00C - RO - Private Timer Interrupt Status Register + uint32_t RESERVED[8]; + __IO uint32_t WLOAD; //!< \brief +0x020 - RW - Watchdog Load Register + __IO uint32_t WCOUNTER; //!< \brief +0x024 - RW - Watchdog Counter Register + __IO uint32_t WCONTROL; //!< \brief +0x028 - RW - Watchdog Control Register + __IO uint32_t WISR; //!< \brief +0x02C - RW - Watchdog Interrupt Status Register + __IO uint32_t WRESET; //!< \brief +0x030 - RW - Watchdog Reset Status Register + __I uint32_t WDISABLE; //!< \brief +0x0FC - RO - Watchdog Disable Register +} Timer_Type; +#define PTIM ((Timer_Type *) TIMER_BASE ) /*!< \brief Timer configuration struct */ +#endif +#endif + + /******************************************************************************* + * Hardware Abstraction Layer + Core Function Interface contains: + - L1 Cache Functions + - L2C-310 Cache Controller Functions + - PL1 Timer Functions + - GIC Functions + - MMU Functions + ******************************************************************************/ + +/* ########################## L1 Cache functions ################################# */ + +/** \brief Enable Caches + + Enable Caches + */ +__STATIC_INLINE void L1C_EnableCaches(void) { + // Set I bit 12 to enable I Cache + // Set C bit 2 to enable D Cache + __set_SCTLR( __get_SCTLR() | (1 << 12) | (1 << 2)); +} + +/** \brief Disable Caches + + Disable Caches + */ +__STATIC_INLINE void L1C_DisableCaches(void) { + // Clear I bit 12 to disable I Cache + // Clear C bit 2 to disable D Cache + __set_SCTLR( __get_SCTLR() & ~(1 << 12) & ~(1 << 2)); + __ISB(); +} + +/** \brief Enable BTAC + + Enable BTAC + */ +__STATIC_INLINE void L1C_EnableBTAC(void) { + // Set Z bit 11 to enable branch prediction + __set_SCTLR( __get_SCTLR() | (1 << 11)); + __ISB(); +} + +/** \brief Disable BTAC + + Disable BTAC + */ +__STATIC_INLINE void L1C_DisableBTAC(void) { + // Clear Z bit 11 to disable branch prediction + __set_SCTLR( __get_SCTLR() & ~(1 << 11)); +} + +/** \brief Invalidate entire branch predictor array + + BPIALL. Branch Predictor Invalidate All. + */ + +__STATIC_INLINE void L1C_InvalidateBTAC(void) { + __set_BPIALL(0); + __DSB(); //ensure completion of the invalidation + __ISB(); //ensure instruction fetch path sees new state +} + +/** \brief Invalidate the whole I$ + + ICIALLU. Instruction Cache Invalidate All to PoU +*/ +__STATIC_INLINE void L1C_InvalidateICacheAll(void) { + __set_ICIALLU(0); + __DSB(); //ensure completion of the invalidation + __ISB(); //ensure instruction fetch path sees new I cache state +} + +/** \brief Clean D$ by MVA + + DCCMVAC. Data cache clean by MVA to PoC +*/ +__STATIC_INLINE void L1C_CleanDCacheMVA(void *va) { + __set_DCCMVAC((uint32_t)va); + __DMB(); //ensure the ordering of data cache maintenance operations and their effects +} + +/** \brief Invalidate D$ by MVA + + DCIMVAC. Data cache invalidate by MVA to PoC +*/ +__STATIC_INLINE void L1C_InvalidateDCacheMVA(void *va) { + __set_DCIMVAC((uint32_t)va); + __DMB(); //ensure the ordering of data cache maintenance operations and their effects +} + +/** \brief Clean and Invalidate D$ by MVA + + DCCIMVAC. Data cache clean and invalidate by MVA to PoC +*/ +__STATIC_INLINE void L1C_CleanInvalidateDCacheMVA(void *va) { + __set_DCCIMVAC((uint32_t)va); + __DMB(); //ensure the ordering of data cache maintenance operations and their effects +} + +/** \brief Clean and Invalidate the entire data or unified cache + + Generic mechanism for cleaning/invalidating the entire data or unified cache to the point of coherency. +*/ +__STATIC_INLINE void L1C_CleanInvalidateCache(uint32_t op) { + __L1C_CleanInvalidateCache(op); // compiler specific call +} + + +/** \brief Invalidate the whole D$ + + DCISW. Invalidate by Set/Way +*/ + +__STATIC_INLINE void L1C_InvalidateDCacheAll(void) { + L1C_CleanInvalidateCache(0); +} + +/** \brief Clean the whole D$ + + DCCSW. Clean by Set/Way + */ + +__STATIC_INLINE void L1C_CleanDCacheAll(void) { + L1C_CleanInvalidateCache(1); +} + +/** \brief Clean and invalidate the whole D$ + + DCCISW. Clean and Invalidate by Set/Way + */ + +__STATIC_INLINE void L1C_CleanInvalidateDCacheAll(void) { + L1C_CleanInvalidateCache(2); +} + + +/* ########################## L2 Cache functions ################################# */ +#if (__L2C_PRESENT == 1U) +//Cache Sync operation +__STATIC_INLINE void L2C_Sync(void) +{ + L2C_310->CACHE_SYNC = 0x0; +} + +//return Cache controller cache ID +__STATIC_INLINE int L2C_GetID (void) +{ + return L2C_310->CACHE_ID; +} + +//return Cache controller cache Type +__STATIC_INLINE int L2C_GetType (void) +{ + return L2C_310->CACHE_TYPE; +} + +//Invalidate all cache by way +__STATIC_INLINE void L2C_InvAllByWay (void) +{ + unsigned int assoc; + + if (L2C_310->AUX_CNT & (1<<16)) + assoc = 16; + else + assoc = 8; + + L2C_310->INV_WAY = (1 << assoc) - 1; + while(L2C_310->INV_WAY & ((1 << assoc) - 1)); //poll invalidate + + L2C_Sync(); +} + +//Clean and Invalidate all cache by way +__STATIC_INLINE void L2C_CleanInvAllByWay (void) +{ + unsigned int assoc; + + if (L2C_310->AUX_CNT & (1<<16)) + assoc = 16; + else + assoc = 8; + + L2C_310->CLEAN_INV_WAY = (1 << assoc) - 1; + while(L2C_310->CLEAN_INV_WAY & ((1 << assoc) - 1)); //poll invalidate + + L2C_Sync(); +} + +//Enable Cache +__STATIC_INLINE void L2C_Enable(void) +{ + L2C_310->CONTROL = 0; + L2C_310->INTERRUPT_CLEAR = 0x000001FFuL; + L2C_310->DEBUG_CONTROL = 0; + L2C_310->DATA_LOCK_0_WAY = 0; + L2C_310->CACHE_SYNC = 0; + L2C_310->CONTROL = 0x01; + L2C_Sync(); +} +//Disable Cache +__STATIC_INLINE void L2C_Disable(void) +{ + L2C_310->CONTROL = 0x00; + L2C_Sync(); +} + +//Invalidate cache by physical address +__STATIC_INLINE void L2C_InvPa (void *pa) +{ + L2C_310->INV_LINE_PA = (unsigned int)pa; + L2C_Sync(); +} + +//Clean cache by physical address +__STATIC_INLINE void L2C_CleanPa (void *pa) +{ + L2C_310->CLEAN_LINE_PA = (unsigned int)pa; + L2C_Sync(); +} + +//Clean and invalidate cache by physical address +__STATIC_INLINE void L2C_CleanInvPa (void *pa) +{ + L2C_310->CLEAN_INV_LINE_PA = (unsigned int)pa; + L2C_Sync(); +} +#endif + +/* ########################## GIC functions ###################################### */ +#if (__GIC_PRESENT == 1U) + +__STATIC_INLINE void GIC_EnableDistributor(void) +{ + GICDistributor->ICDDCR |= 1; //enable distributor +} + +__STATIC_INLINE void GIC_DisableDistributor(void) +{ + GICDistributor->ICDDCR &=~1; //disable distributor +} + +__STATIC_INLINE uint32_t GIC_DistributorInfo(void) +{ + return (uint32_t)(GICDistributor->ICDICTR); +} + +__STATIC_INLINE uint32_t GIC_DistributorImplementer(void) +{ + return (uint32_t)(GICDistributor->ICDIIDR); +} + +__STATIC_INLINE void GIC_SetTarget(IRQn_Type IRQn, uint32_t cpu_target) +{ + char* field = (char*)&(GICDistributor->ICDIPTR[IRQn / 4]); + field += IRQn % 4; + *field = (char)cpu_target & 0xf; +} + +__STATIC_INLINE void GIC_SetICDICFR (const uint32_t *ICDICFRn) +{ + uint32_t i, num_irq; + + //Get the maximum number of interrupts that the GIC supports + num_irq = 32 * ((GIC_DistributorInfo() & 0x1f) + 1); + + for (i = 0; i < (num_irq/16); i++) + { + GICDistributor->ICDISPR[i] = *ICDICFRn++; + } +} + +__STATIC_INLINE uint32_t GIC_GetTarget(IRQn_Type IRQn) +{ + char* field = (char*)&(GICDistributor->ICDIPTR[IRQn / 4]); + field += IRQn % 4; + return ((uint32_t)*field & 0xf); +} + +__STATIC_INLINE void GIC_EnableInterface(void) +{ + GICInterface->ICCICR |= 1; //enable interface +} + +__STATIC_INLINE void GIC_DisableInterface(void) +{ + GICInterface->ICCICR &=~1; //disable distributor +} + +__STATIC_INLINE IRQn_Type GIC_AcknowledgePending(void) +{ + return (IRQn_Type)(GICInterface->ICCIAR); +} + +__STATIC_INLINE void GIC_EndInterrupt(IRQn_Type IRQn) +{ + GICInterface->ICCEOIR = IRQn; +} + +__STATIC_INLINE void GIC_EnableIRQ(IRQn_Type IRQn) +{ + GICDistributor->ICDISER[IRQn / 32] = 1 << (IRQn % 32); +} + +__STATIC_INLINE void GIC_DisableIRQ(IRQn_Type IRQn) +{ + GICDistributor->ICDICER[IRQn / 32] = 1 << (IRQn % 32); +} + +__STATIC_INLINE void GIC_SetPendingIRQ(IRQn_Type IRQn) +{ + GICDistributor->ICDISPR[IRQn / 32] = 1 << (IRQn % 32); +} + +__STATIC_INLINE void GIC_ClearPendingIRQ(IRQn_Type IRQn) +{ + GICDistributor->ICDICPR[IRQn / 32] = 1 << (IRQn % 32); +} + +__STATIC_INLINE void GIC_SetLevelModel(IRQn_Type IRQn, int8_t edge_level, int8_t model) +{ + // Word-size read/writes must be used to access this register + volatile uint32_t * field = &(GICDistributor->ICDICFR[IRQn / 16]); + unsigned bit_shift = (IRQn % 16)<<1; + unsigned int save_word; + + save_word = *field; + save_word &= (~(3 << bit_shift)); + + *field = (save_word | (((edge_level<<1) | model) << bit_shift)); +} + +__STATIC_INLINE void GIC_SetPriority(IRQn_Type IRQn, uint32_t priority) +{ + char* field = (char*)&(GICDistributor->ICDIPR[IRQn / 4]); + field += IRQn % 4; + *field = (char)priority; +} + +__STATIC_INLINE uint32_t GIC_GetPriority(IRQn_Type IRQn) +{ + char* field = (char*)&(GICDistributor->ICDIPR[IRQn / 4]); + field += IRQn % 4; + return (uint32_t)*field; +} + +__STATIC_INLINE void GIC_InterfacePriorityMask(uint32_t priority) +{ + GICInterface->ICCPMR = priority & 0xff; //set priority mask +} + +__STATIC_INLINE void GIC_SetBinaryPoint(uint32_t binary_point) +{ + GICInterface->ICCBPR = binary_point & 0x07; //set binary point +} + +__STATIC_INLINE uint32_t GIC_GetBinaryPoint(uint32_t binary_point) +{ + return (uint32_t)GICInterface->ICCBPR; +} + +__STATIC_INLINE uint32_t GIC_GetIRQStatus(IRQn_Type IRQn) +{ + uint32_t pending, active; + + active = ((GICDistributor->ICDABR[IRQn / 32]) >> (IRQn % 32)) & 0x1; + pending =((GICDistributor->ICDISPR[IRQn / 32]) >> (IRQn % 32)) & 0x1; + + return ((active<<1) | pending); +} + +__STATIC_INLINE void GIC_SendSGI(IRQn_Type IRQn, uint32_t target_list, uint32_t filter_list) +{ + GICDistributor->ICDSGIR = ((filter_list & 0x3) << 24) | ((target_list & 0xff) << 16) | (IRQn & 0xf); +} + +__STATIC_INLINE void GIC_DistInit(void) +{ + IRQn_Type i; + uint32_t num_irq = 0; + uint32_t priority_field; + + //A reset sets all bits in the ICDISRs corresponding to the SPIs to 0, + //configuring all of the interrupts as Secure. + + //Disable interrupt forwarding + GIC_DisableDistributor(); + //Get the maximum number of interrupts that the GIC supports + num_irq = 32 * ((GIC_DistributorInfo() & 0x1f) + 1); + + /* Priority level is implementation defined. + To determine the number of priority bits implemented write 0xFF to an ICDIPR + priority field and read back the value stored.*/ + GIC_SetPriority((IRQn_Type)0, 0xff); + priority_field = GIC_GetPriority((IRQn_Type)0); + + for (i = (IRQn_Type)32; i < num_irq; i++) + { + //Disable the SPI interrupt + GIC_DisableIRQ(i); + //Set level-sensitive and 1-N model + GIC_SetLevelModel(i, 0, 1); + //Set priority + GIC_SetPriority(i, priority_field/2); + //Set target list to CPU0 + GIC_SetTarget(i, 1); + } + //Enable distributor + GIC_EnableDistributor(); +} + +__STATIC_INLINE void GIC_CPUInterfaceInit(void) +{ + IRQn_Type i; + uint32_t priority_field; + + //A reset sets all bits in the ICDISRs corresponding to the SPIs to 0, + //configuring all of the interrupts as Secure. + + //Disable interrupt forwarding + GIC_DisableInterface(); + + /* Priority level is implementation defined. + To determine the number of priority bits implemented write 0xFF to an ICDIPR + priority field and read back the value stored.*/ + GIC_SetPriority((IRQn_Type)0, 0xff); + priority_field = GIC_GetPriority((IRQn_Type)0); + + //SGI and PPI + for (i = (IRQn_Type)0; i < 32; i++) + { + //Set level-sensitive and 1-N model for PPI + if(i > 15) + GIC_SetLevelModel(i, 0, 1); + //Disable SGI and PPI interrupts + GIC_DisableIRQ(i); + //Set priority + GIC_SetPriority(i, priority_field/2); + } + //Enable interface + GIC_EnableInterface(); + //Set binary point to 0 + GIC_SetBinaryPoint(0); + //Set priority mask + GIC_InterfacePriorityMask(0xff); +} + +__STATIC_INLINE void GIC_Enable(void) +{ + GIC_DistInit(); + GIC_CPUInterfaceInit(); //per CPU +} +#endif + +/* ########################## Generic Timer functions ############################ */ +#if (__TIM_PRESENT == 1U) + +/* PL1 Physical Timer */ +#if (__CORTEX_A == 7U) +__STATIC_INLINE void PL1_SetLoadValue(uint32_t value) { + __set_CNTP_TVAL(value); + __ISB(); +} + +__STATIC_INLINE uint32_t PL1_GetCurrentValue() { + return(__get_CNTP_TVAL()); +} + +__STATIC_INLINE void PL1_SetControl(uint32_t value) { + __set_CNTP_CTL(value); + __ISB(); +} + +/* Private Timer */ +#elif ((__CORTEX_A == 5U)||(__CORTEX_A == 9U)) +__STATIC_INLINE void PTIM_SetLoadValue(uint32_t value) { + PTIM->LOAD = value; +} + +__STATIC_INLINE uint32_t PTIM_GetLoadValue() { + return(PTIM->LOAD); +} + +__STATIC_INLINE uint32_t PTIM_GetCurrentValue() { + return(PTIM->COUNTER); +} + +__STATIC_INLINE void PTIM_SetControl(uint32_t value) { + PTIM->CONTROL = value; +} + +__STATIC_INLINE uint32_t PTIM_GetControl(void) { + return(PTIM->CONTROL); +} + +__STATIC_INLINE void PTIM_ClearEventFlag(void) { + PTIM->ISR = 1; +} +#endif +#endif + +/* ########################## MMU functions ###################################### */ + +#define SECTION_DESCRIPTOR (0x2) +#define SECTION_MASK (0xFFFFFFFC) + +#define SECTION_TEXCB_MASK (0xFFFF8FF3) +#define SECTION_B_SHIFT (2) +#define SECTION_C_SHIFT (3) +#define SECTION_TEX0_SHIFT (12) +#define SECTION_TEX1_SHIFT (13) +#define SECTION_TEX2_SHIFT (14) + +#define SECTION_XN_MASK (0xFFFFFFEF) +#define SECTION_XN_SHIFT (4) + +#define SECTION_DOMAIN_MASK (0xFFFFFE1F) +#define SECTION_DOMAIN_SHIFT (5) + +#define SECTION_P_MASK (0xFFFFFDFF) +#define SECTION_P_SHIFT (9) + +#define SECTION_AP_MASK (0xFFFF73FF) +#define SECTION_AP_SHIFT (10) +#define SECTION_AP2_SHIFT (15) + +#define SECTION_S_MASK (0xFFFEFFFF) +#define SECTION_S_SHIFT (16) + +#define SECTION_NG_MASK (0xFFFDFFFF) +#define SECTION_NG_SHIFT (17) + +#define SECTION_NS_MASK (0xFFF7FFFF) +#define SECTION_NS_SHIFT (19) + +#define PAGE_L1_DESCRIPTOR (0x1) +#define PAGE_L1_MASK (0xFFFFFFFC) + +#define PAGE_L2_4K_DESC (0x2) +#define PAGE_L2_4K_MASK (0xFFFFFFFD) + +#define PAGE_L2_64K_DESC (0x1) +#define PAGE_L2_64K_MASK (0xFFFFFFFC) + +#define PAGE_4K_TEXCB_MASK (0xFFFFFE33) +#define PAGE_4K_B_SHIFT (2) +#define PAGE_4K_C_SHIFT (3) +#define PAGE_4K_TEX0_SHIFT (6) +#define PAGE_4K_TEX1_SHIFT (7) +#define PAGE_4K_TEX2_SHIFT (8) + +#define PAGE_64K_TEXCB_MASK (0xFFFF8FF3) +#define PAGE_64K_B_SHIFT (2) +#define PAGE_64K_C_SHIFT (3) +#define PAGE_64K_TEX0_SHIFT (12) +#define PAGE_64K_TEX1_SHIFT (13) +#define PAGE_64K_TEX2_SHIFT (14) + +#define PAGE_TEXCB_MASK (0xFFFF8FF3) +#define PAGE_B_SHIFT (2) +#define PAGE_C_SHIFT (3) +#define PAGE_TEX_SHIFT (12) + +#define PAGE_XN_4K_MASK (0xFFFFFFFE) +#define PAGE_XN_4K_SHIFT (0) +#define PAGE_XN_64K_MASK (0xFFFF7FFF) +#define PAGE_XN_64K_SHIFT (15) + +#define PAGE_DOMAIN_MASK (0xFFFFFE1F) +#define PAGE_DOMAIN_SHIFT (5) + +#define PAGE_P_MASK (0xFFFFFDFF) +#define PAGE_P_SHIFT (9) + +#define PAGE_AP_MASK (0xFFFFFDCF) +#define PAGE_AP_SHIFT (4) +#define PAGE_AP2_SHIFT (9) + +#define PAGE_S_MASK (0xFFFFFBFF) +#define PAGE_S_SHIFT (10) + +#define PAGE_NG_MASK (0xFFFFF7FF) +#define PAGE_NG_SHIFT (11) + +#define PAGE_NS_MASK (0xFFFFFFF7) +#define PAGE_NS_SHIFT (3) + +#define OFFSET_1M (0x00100000) +#define OFFSET_64K (0x00010000) +#define OFFSET_4K (0x00001000) + +#define DESCRIPTOR_FAULT (0x00000000) + +/* Attributes enumerations */ + +/* Region size attributes */ +typedef enum +{ + SECTION, + PAGE_4k, + PAGE_64k, +} mmu_region_size_Type; + +/* Region type attributes */ +typedef enum +{ + NORMAL, + DEVICE, + SHARED_DEVICE, + NON_SHARED_DEVICE, + STRONGLY_ORDERED +} mmu_memory_Type; + +/* Region cacheability attributes */ +typedef enum +{ + NON_CACHEABLE, + WB_WA, + WT, + WB_NO_WA, +} mmu_cacheability_Type; + +/* Region parity check attributes */ +typedef enum +{ + ECC_DISABLED, + ECC_ENABLED, +} mmu_ecc_check_Type; + +/* Region execution attributes */ +typedef enum +{ + EXECUTE, + NON_EXECUTE, +} mmu_execute_Type; + +/* Region global attributes */ +typedef enum +{ + GLOBAL, + NON_GLOBAL, +} mmu_global_Type; + +/* Region shareability attributes */ +typedef enum +{ + NON_SHARED, + SHARED, +} mmu_shared_Type; + +/* Region security attributes */ +typedef enum +{ + SECURE, + NON_SECURE, +} mmu_secure_Type; + +/* Region access attributes */ +typedef enum +{ + NO_ACCESS, + RW, + READ, +} mmu_access_Type; + +/* Memory Region definition */ +typedef struct RegionStruct { + mmu_region_size_Type rg_t; + mmu_memory_Type mem_t; + uint8_t domain; + mmu_cacheability_Type inner_norm_t; + mmu_cacheability_Type outer_norm_t; + mmu_ecc_check_Type e_t; + mmu_execute_Type xn_t; + mmu_global_Type g_t; + mmu_secure_Type sec_t; + mmu_access_Type priv_t; + mmu_access_Type user_t; + mmu_shared_Type sh_t; + +} mmu_region_attributes_Type; + +//Following macros define the descriptors and attributes +//Sect_Normal. Outer & inner wb/wa, non-shareable, executable, rw, domain 0 +#define section_normal(descriptor_l1, region) region.rg_t = SECTION; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = WB_WA; \ + region.outer_norm_t = WB_WA; \ + region.mem_t = NORMAL; \ + region.sec_t = SECURE; \ + region.xn_t = EXECUTE; \ + region.priv_t = RW; \ + region.user_t = RW; \ + region.sh_t = NON_SHARED; \ + MMU_GetSectionDescriptor(&descriptor_l1, region); + +//Sect_Normal_Cod. Outer & inner wb/wa, non-shareable, executable, ro, domain 0 +#define section_normal_cod(descriptor_l1, region) region.rg_t = SECTION; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = WB_WA; \ + region.outer_norm_t = WB_WA; \ + region.mem_t = NORMAL; \ + region.sec_t = SECURE; \ + region.xn_t = EXECUTE; \ + region.priv_t = READ; \ + region.user_t = READ; \ + region.sh_t = NON_SHARED; \ + MMU_GetSectionDescriptor(&descriptor_l1, region); + +//Sect_Normal_RO. Sect_Normal_Cod, but not executable +#define section_normal_ro(descriptor_l1, region) region.rg_t = SECTION; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = WB_WA; \ + region.outer_norm_t = WB_WA; \ + region.mem_t = NORMAL; \ + region.sec_t = SECURE; \ + region.xn_t = NON_EXECUTE; \ + region.priv_t = READ; \ + region.user_t = READ; \ + region.sh_t = NON_SHARED; \ + MMU_GetSectionDescriptor(&descriptor_l1, region); + +//Sect_Normal_RW. Sect_Normal_Cod, but writeable and not executable +#define section_normal_rw(descriptor_l1, region) region.rg_t = SECTION; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = WB_WA; \ + region.outer_norm_t = WB_WA; \ + region.mem_t = NORMAL; \ + region.sec_t = SECURE; \ + region.xn_t = NON_EXECUTE; \ + region.priv_t = RW; \ + region.user_t = RW; \ + region.sh_t = NON_SHARED; \ + MMU_GetSectionDescriptor(&descriptor_l1, region); +//Sect_SO. Strongly-ordered (therefore shareable), not executable, rw, domain 0, base addr 0 +#define section_so(descriptor_l1, region) region.rg_t = SECTION; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = NON_CACHEABLE; \ + region.outer_norm_t = NON_CACHEABLE; \ + region.mem_t = STRONGLY_ORDERED; \ + region.sec_t = SECURE; \ + region.xn_t = NON_EXECUTE; \ + region.priv_t = RW; \ + region.user_t = RW; \ + region.sh_t = NON_SHARED; \ + MMU_GetSectionDescriptor(&descriptor_l1, region); + +//Sect_Device_RO. Device, non-shareable, non-executable, ro, domain 0, base addr 0 +#define section_device_ro(descriptor_l1, region) region.rg_t = SECTION; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = NON_CACHEABLE; \ + region.outer_norm_t = NON_CACHEABLE; \ + region.mem_t = STRONGLY_ORDERED; \ + region.sec_t = SECURE; \ + region.xn_t = NON_EXECUTE; \ + region.priv_t = READ; \ + region.user_t = READ; \ + region.sh_t = NON_SHARED; \ + MMU_GetSectionDescriptor(&descriptor_l1, region); + +//Sect_Device_RW. Sect_Device_RO, but writeable +#define section_device_rw(descriptor_l1, region) region.rg_t = SECTION; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = NON_CACHEABLE; \ + region.outer_norm_t = NON_CACHEABLE; \ + region.mem_t = STRONGLY_ORDERED; \ + region.sec_t = SECURE; \ + region.xn_t = NON_EXECUTE; \ + region.priv_t = RW; \ + region.user_t = RW; \ + region.sh_t = NON_SHARED; \ + MMU_GetSectionDescriptor(&descriptor_l1, region); +//Page_4k_Device_RW. Shared device, not executable, rw, domain 0 +#define page4k_device_rw(descriptor_l1, descriptor_l2, region) region.rg_t = PAGE_4k; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = NON_CACHEABLE; \ + region.outer_norm_t = NON_CACHEABLE; \ + region.mem_t = SHARED_DEVICE; \ + region.sec_t = SECURE; \ + region.xn_t = NON_EXECUTE; \ + region.priv_t = RW; \ + region.user_t = RW; \ + region.sh_t = NON_SHARED; \ + MMU_GetPageDescriptor(&descriptor_l1, &descriptor_l2, region); + +//Page_64k_Device_RW. Shared device, not executable, rw, domain 0 +#define page64k_device_rw(descriptor_l1, descriptor_l2, region) region.rg_t = PAGE_64k; \ + region.domain = 0x0; \ + region.e_t = ECC_DISABLED; \ + region.g_t = GLOBAL; \ + region.inner_norm_t = NON_CACHEABLE; \ + region.outer_norm_t = NON_CACHEABLE; \ + region.mem_t = SHARED_DEVICE; \ + region.sec_t = SECURE; \ + region.xn_t = NON_EXECUTE; \ + region.priv_t = RW; \ + region.user_t = RW; \ + region.sh_t = NON_SHARED; \ + MMU_GetPageDescriptor(&descriptor_l1, &descriptor_l2, region); + +/** \brief Set section execution-never attribute + + \param [out] descriptor_l1 L1 descriptor. + \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE. + + \return 0 +*/ +__STATIC_INLINE int MMU_XNSection(uint32_t *descriptor_l1, mmu_execute_Type xn) +{ + *descriptor_l1 &= SECTION_XN_MASK; + *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT); + return 0; +} + +/** \brief Set section domain + + \param [out] descriptor_l1 L1 descriptor. + \param [in] domain Section domain + + \return 0 +*/ +__STATIC_INLINE int MMU_DomainSection(uint32_t *descriptor_l1, uint8_t domain) +{ + *descriptor_l1 &= SECTION_DOMAIN_MASK; + *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT); + return 0; +} + +/** \brief Set section parity check + + \param [out] descriptor_l1 L1 descriptor. + \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED + + \return 0 +*/ +__STATIC_INLINE int MMU_PSection(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit) +{ + *descriptor_l1 &= SECTION_P_MASK; + *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT); + return 0; +} + +/** \brief Set section access privileges + + \param [out] descriptor_l1 L1 descriptor. + \param [in] user User Level Access: NO_ACCESS, RW, READ + \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ + \param [in] afe Access flag enable + + \return 0 +*/ +__STATIC_INLINE int MMU_APSection(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe) +{ + uint32_t ap = 0; + + if (afe == 0) { //full access + if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; } + else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } + else if ((priv == RW) && (user == READ)) { ap = 0x2; } + else if ((priv == RW) && (user == RW)) { ap = 0x3; } + else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } + else if ((priv == READ) && (user == READ)) { ap = 0x7; } + } + + else { //Simplified access + if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } + else if ((priv == RW) && (user == RW)) { ap = 0x3; } + else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } + else if ((priv == READ) && (user == READ)) { ap = 0x7; } + } + + *descriptor_l1 &= SECTION_AP_MASK; + *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT; + *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT; + + return 0; +} + +/** \brief Set section shareability + + \param [out] descriptor_l1 L1 descriptor. + \param [in] s_bit Section shareability: NON_SHARED, SHARED + + \return 0 +*/ +__STATIC_INLINE int MMU_SharedSection(uint32_t *descriptor_l1, mmu_shared_Type s_bit) +{ + *descriptor_l1 &= SECTION_S_MASK; + *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT); + return 0; +} + +/** \brief Set section Global attribute + + \param [out] descriptor_l1 L1 descriptor. + \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL + + \return 0 +*/ +__STATIC_INLINE int MMU_GlobalSection(uint32_t *descriptor_l1, mmu_global_Type g_bit) +{ + *descriptor_l1 &= SECTION_NG_MASK; + *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT); + return 0; +} + +/** \brief Set section Security attribute + + \param [out] descriptor_l1 L1 descriptor. + \param [in] s_bit Section Security attribute: SECURE, NON_SECURE + + \return 0 +*/ +__STATIC_INLINE int MMU_SecureSection(uint32_t *descriptor_l1, mmu_secure_Type s_bit) +{ + *descriptor_l1 &= SECTION_NS_MASK; + *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT); + return 0; +} + +/* Page 4k or 64k */ +/** \brief Set 4k/64k page execution-never attribute + + \param [out] descriptor_l2 L2 descriptor. + \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE. + \param [in] page Page size: PAGE_4k, PAGE_64k, + + \return 0 +*/ +__STATIC_INLINE int MMU_XNPage(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page) +{ + if (page == PAGE_4k) + { + *descriptor_l2 &= PAGE_XN_4K_MASK; + *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT); + } + else + { + *descriptor_l2 &= PAGE_XN_64K_MASK; + *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT); + } + return 0; +} + +/** \brief Set 4k/64k page domain + + \param [out] descriptor_l1 L1 descriptor. + \param [in] domain Page domain + + \return 0 +*/ +__STATIC_INLINE int MMU_DomainPage(uint32_t *descriptor_l1, uint8_t domain) +{ + *descriptor_l1 &= PAGE_DOMAIN_MASK; + *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT); + return 0; +} + +/** \brief Set 4k/64k page parity check + + \param [out] descriptor_l1 L1 descriptor. + \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED + + \return 0 +*/ +__STATIC_INLINE int MMU_PPage(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit) +{ + *descriptor_l1 &= SECTION_P_MASK; + *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT); + return 0; +} + +/** \brief Set 4k/64k page access privileges + + \param [out] descriptor_l2 L2 descriptor. + \param [in] user User Level Access: NO_ACCESS, RW, READ + \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ + \param [in] afe Access flag enable + + \return 0 +*/ +__STATIC_INLINE int MMU_APPage(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe) +{ + uint32_t ap = 0; + + if (afe == 0) { //full access + if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; } + else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } + else if ((priv == RW) && (user == READ)) { ap = 0x2; } + else if ((priv == RW) && (user == RW)) { ap = 0x3; } + else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } + else if ((priv == READ) && (user == READ)) { ap = 0x6; } + } + + else { //Simplified access + if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } + else if ((priv == RW) && (user == RW)) { ap = 0x3; } + else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } + else if ((priv == READ) && (user == READ)) { ap = 0x7; } + } + + *descriptor_l2 &= PAGE_AP_MASK; + *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT; + *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT; + + return 0; +} + +/** \brief Set 4k/64k page shareability + + \param [out] descriptor_l2 L2 descriptor. + \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED + + \return 0 +*/ +__STATIC_INLINE int MMU_SharedPage(uint32_t *descriptor_l2, mmu_shared_Type s_bit) +{ + *descriptor_l2 &= PAGE_S_MASK; + *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT); + return 0; +} + +/** \brief Set 4k/64k page Global attribute + + \param [out] descriptor_l2 L2 descriptor. + \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL + + \return 0 +*/ +__STATIC_INLINE int MMU_GlobalPage(uint32_t *descriptor_l2, mmu_global_Type g_bit) +{ + *descriptor_l2 &= PAGE_NG_MASK; + *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT); + return 0; +} + +/** \brief Set 4k/64k page Security attribute + + \param [out] descriptor_l1 L1 descriptor. + \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE + + \return 0 +*/ +__STATIC_INLINE int MMU_SecurePage(uint32_t *descriptor_l1, mmu_secure_Type s_bit) +{ + *descriptor_l1 &= PAGE_NS_MASK; + *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT); + return 0; +} + +/** \brief Set Section memory attributes + + \param [out] descriptor_l1 L1 descriptor. + \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED + \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, + \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, + + \return 0 +*/ +__STATIC_INLINE int MMU_MemorySection(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner) +{ + *descriptor_l1 &= SECTION_TEXCB_MASK; + + if (STRONGLY_ORDERED == mem) + { + return 0; + } + else if (SHARED_DEVICE == mem) + { + *descriptor_l1 |= (1 << SECTION_B_SHIFT); + } + else if (NON_SHARED_DEVICE == mem) + { + *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT); + } + else if (NORMAL == mem) + { + *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT; + switch(inner) + { + case NON_CACHEABLE: + break; + case WB_WA: + *descriptor_l1 |= (1 << SECTION_B_SHIFT); + break; + case WT: + *descriptor_l1 |= 1 << SECTION_C_SHIFT; + break; + case WB_NO_WA: + *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT); + break; + } + switch(outer) + { + case NON_CACHEABLE: + break; + case WB_WA: + *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT); + break; + case WT: + *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT; + break; + case WB_NO_WA: + *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT); + break; + } + } + return 0; +} + +/** \brief Set 4k/64k page memory attributes + + \param [out] descriptor_l2 L2 descriptor. + \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED + \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, + \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, + \param [in] page Page size + + \return 0 +*/ +__STATIC_INLINE int MMU_MemoryPage(uint32_t *descriptor_l2, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner, mmu_region_size_Type page) +{ + *descriptor_l2 &= PAGE_4K_TEXCB_MASK; + + if (page == PAGE_64k) + { + //same as section + MMU_MemorySection(descriptor_l2, mem, outer, inner); + } + else + { + if (STRONGLY_ORDERED == mem) + { + return 0; + } + else if (SHARED_DEVICE == mem) + { + *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT); + } + else if (NON_SHARED_DEVICE == mem) + { + *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT); + } + else if (NORMAL == mem) + { + *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT; + switch(inner) + { + case NON_CACHEABLE: + break; + case WB_WA: + *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT); + break; + case WT: + *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT; + break; + case WB_NO_WA: + *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT); + break; + } + switch(outer) + { + case NON_CACHEABLE: + break; + case WB_WA: + *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT); + break; + case WT: + *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT; + break; + case WB_NO_WA: + *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT); + break; + } + } + } + + return 0; +} + +/** \brief Create a L1 section descriptor + + \param [out] descriptor L1 descriptor + \param [in] reg Section attributes + + \return 0 +*/ +__STATIC_INLINE int MMU_GetSectionDescriptor(uint32_t *descriptor, mmu_region_attributes_Type reg) +{ + *descriptor = 0; + + MMU_MemorySection(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t); + MMU_XNSection(descriptor,reg.xn_t); + MMU_DomainSection(descriptor, reg.domain); + MMU_PSection(descriptor, reg.e_t); + MMU_APSection(descriptor, reg.priv_t, reg.user_t, 1); + MMU_SharedSection(descriptor,reg.sh_t); + MMU_GlobalSection(descriptor,reg.g_t); + MMU_SecureSection(descriptor,reg.sec_t); + *descriptor &= SECTION_MASK; + *descriptor |= SECTION_DESCRIPTOR; + + return 0; +} + + +/** \brief Create a L1 and L2 4k/64k page descriptor + + \param [out] descriptor L1 descriptor + \param [out] descriptor2 L2 descriptor + \param [in] reg 4k/64k page attributes + + \return 0 +*/ +__STATIC_INLINE int MMU_GetPageDescriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg) +{ + *descriptor = 0; + *descriptor2 = 0; + + switch (reg.rg_t) + { + case PAGE_4k: + MMU_MemoryPage(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k); + MMU_XNPage(descriptor2, reg.xn_t, PAGE_4k); + MMU_DomainPage(descriptor, reg.domain); + MMU_PPage(descriptor, reg.e_t); + MMU_APPage(descriptor2, reg.priv_t, reg.user_t, 1); + MMU_SharedPage(descriptor2,reg.sh_t); + MMU_GlobalPage(descriptor2,reg.g_t); + MMU_SecurePage(descriptor,reg.sec_t); + *descriptor &= PAGE_L1_MASK; + *descriptor |= PAGE_L1_DESCRIPTOR; + *descriptor2 &= PAGE_L2_4K_MASK; + *descriptor2 |= PAGE_L2_4K_DESC; + break; + + case PAGE_64k: + MMU_MemoryPage(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k); + MMU_XNPage(descriptor2, reg.xn_t, PAGE_64k); + MMU_DomainPage(descriptor, reg.domain); + MMU_PPage(descriptor, reg.e_t); + MMU_APPage(descriptor2, reg.priv_t, reg.user_t, 1); + MMU_SharedPage(descriptor2,reg.sh_t); + MMU_GlobalPage(descriptor2,reg.g_t); + MMU_SecurePage(descriptor,reg.sec_t); + *descriptor &= PAGE_L1_MASK; + *descriptor |= PAGE_L1_DESCRIPTOR; + *descriptor2 &= PAGE_L2_64K_MASK; + *descriptor2 |= PAGE_L2_64K_DESC; + break; + + case SECTION: + //error + break; + } + + return 0; +} + +/** \brief Create a 1MB Section + + \param [in] ttb Translation table base address + \param [in] base_address Section base address + \param [in] count Number of sections to create + \param [in] descriptor_l1 L1 descriptor (region attributes) + +*/ +__STATIC_INLINE void MMU_TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1) +{ + uint32_t offset; + uint32_t entry; + uint32_t i; + + offset = base_address >> 20; + entry = (base_address & 0xFFF00000) | descriptor_l1; + + //4 bytes aligned + ttb = ttb + offset; + + for (i = 0; i < count; i++ ) + { + //4 bytes aligned + *ttb++ = entry; + entry += OFFSET_1M; + } +} + +/** \brief Create a 4k page entry + + \param [in] ttb L1 table base address + \param [in] base_address 4k base address + \param [in] count Number of 4k pages to create + \param [in] descriptor_l1 L1 descriptor (region attributes) + \param [in] ttb_l2 L2 table base address + \param [in] descriptor_l2 L2 descriptor (region attributes) + +*/ +__STATIC_INLINE void MMU_TTPage4k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 ) +{ + + uint32_t offset, offset2; + uint32_t entry, entry2; + uint32_t i; + + offset = base_address >> 20; + entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1; + + //4 bytes aligned + ttb += offset; + //create l1_entry + *ttb = entry; + + offset2 = (base_address & 0xff000) >> 12; + ttb_l2 += offset2; + entry2 = (base_address & 0xFFFFF000) | descriptor_l2; + for (i = 0; i < count; i++ ) + { + //4 bytes aligned + *ttb_l2++ = entry2; + entry2 += OFFSET_4K; + } +} + +/** \brief Create a 64k page entry + + \param [in] ttb L1 table base address + \param [in] base_address 64k base address + \param [in] count Number of 64k pages to create + \param [in] descriptor_l1 L1 descriptor (region attributes) + \param [in] ttb_l2 L2 table base address + \param [in] descriptor_l2 L2 descriptor (region attributes) + +*/ +__STATIC_INLINE void MMU_TTPage64k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 ) +{ + uint32_t offset, offset2; + uint32_t entry, entry2; + uint32_t i,j; + + + offset = base_address >> 20; + entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1; + + //4 bytes aligned + ttb += offset; + //create l1_entry + *ttb = entry; + + offset2 = (base_address & 0xff000) >> 12; + ttb_l2 += offset2; + entry2 = (base_address & 0xFFFF0000) | descriptor_l2; + for (i = 0; i < count; i++ ) + { + //create 16 entries + for (j = 0; j < 16; j++) + { + //4 bytes aligned + *ttb_l2++ = entry2; + } + entry2 += OFFSET_64K; + } +} + +/** \brief Enable MMU + + Enable MMU +*/ +__STATIC_INLINE void MMU_Enable(void) { + // Set M bit 0 to enable the MMU + // Set AFE bit to enable simplified access permissions model + // Clear TRE bit to disable TEX remap and A bit to disable strict alignment fault checking + __set_SCTLR( (__get_SCTLR() & ~(1 << 28) & ~(1 << 1)) | 1 | (1 << 29)); + __ISB(); +} + +/** \brief Disable MMU + + Disable MMU +*/ +__STATIC_INLINE void MMU_Disable(void) { + // Clear M bit 0 to disable the MMU + __set_SCTLR( __get_SCTLR() & ~1); + __ISB(); +} + +/** \brief Invalidate entire unified TLB + + TLBIALL. Invalidate entire unified TLB +*/ + +__STATIC_INLINE void MMU_InvalidateTLB(void) { + __set_TLBIALL(0); + __DSB(); //ensure completion of the invalidation + __ISB(); //ensure instruction fetch path sees new state +} + + +#ifdef __cplusplus +} +#endif + +#endif /* __CORE_CA_H_DEPENDANT */ + +#endif /* __CMSIS_GENERIC */