Gan likun
00
Diff: cmsis/core_ca.h
- Revision:
- 0:13413ea9a877
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cmsis/core_ca.h Sun Jun 12 14:02:44 2022 +0000
@@ -0,0 +1,2017 @@
+/**************************************************************************//**
+ * @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 */
+
\ No newline at end of file