Yihui Xiong
/
Seeed_nRF51822_Motion
initial
Diff: mbed-src/targets/cmsis/core_ca_mmu.h
- Revision:
- 1:9d3b497333c0
- Parent:
- 0:638edba3adf6
--- a/mbed-src/targets/cmsis/core_ca_mmu.h Mon Jan 11 02:32:24 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,847 +0,0 @@ -;/**************************************************************************//** -; * @file core_ca_mmu.h -; * @brief MMU Startup File for A9_MP Device Series -; * @version V1.01 -; * @date 10 Sept 2014 -; * -; * @note -; * -; ******************************************************************************/ -;/* Copyright (c) 2012-2014 ARM LIMITED -; -; All rights reserved. -; Redistribution and use in source and binary forms, with or without -; modification, are permitted provided that the following conditions are met: -; - Redistributions of source code must retain the above copyright -; notice, this list of conditions and the following disclaimer. -; - Redistributions in binary form must reproduce the above copyright -; notice, this list of conditions and the following disclaimer in the -; documentation and/or other materials provided with the distribution. -; - Neither the name of ARM nor the names of its contributors may be used -; to endorse or promote products derived from this software without -; specific prior written permission. -; * -; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE -; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -; POSSIBILITY OF SUCH DAMAGE. -; ---------------------------------------------------------------------------*/ - -#ifdef __cplusplus - extern "C" { -#endif - -#ifndef _MMU_FUNC_H -#define _MMU_FUNC_H - -#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) - -/* ########################### MMU Function Access ########################### */ -/** \ingroup MMU_FunctionInterface - \defgroup MMU_Functions MMU Functions Interface - @{ - */ - -/* 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; - -/** \brief Set section execution-never attribute - - The function sets 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 __xn_section(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 - - The function sets section domain - - \param [out] descriptor_l1 L1 descriptor. - \param [in] domain Section domain - - \return 0 - */ -__STATIC_INLINE int __domain_section(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 - - The function sets section parity check - - \param [out] descriptor_l1 L1 descriptor. - \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED - - \return 0 - */ -__STATIC_INLINE int __p_section(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 - - The function sets 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 __ap_section(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 - - The function sets section shareability - - \param [out] descriptor_l1 L1 descriptor. - \param [in] s_bit Section shareability: NON_SHARED, SHARED - - \return 0 - */ -__STATIC_INLINE int __shared_section(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 - - The function sets section Global attribute - - \param [out] descriptor_l1 L1 descriptor. - \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL - - \return 0 - */ -__STATIC_INLINE int __global_section(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 - - The function sets section Global attribute - - \param [out] descriptor_l1 L1 descriptor. - \param [in] s_bit Section Security attribute: SECURE, NON_SECURE - - \return 0 - */ -__STATIC_INLINE int __secure_section(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 - - The function sets 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 __xn_page(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 - - The function sets 4k/64k page domain - - \param [out] descriptor_l1 L1 descriptor. - \param [in] domain Page domain - - \return 0 - */ -__STATIC_INLINE int __domain_page(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 - - The function sets 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 __p_page(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 - - The function sets 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 __ap_page(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 - - The function sets 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 __shared_page(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 - - The function sets 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 __global_page(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 - - The function sets 4k/64k page Global attribute - - \param [out] descriptor_l1 L1 descriptor. - \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE - - \return 0 - */ -__STATIC_INLINE int __secure_page(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 - - The function sets 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 __memory_section(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 - - The function sets 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, - - \return 0 - */ -__STATIC_INLINE int __memory_page(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 - __memory_section(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 - - The function creates a section descriptor. - - Assumptions: - - 16MB super sections not supported - - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor - - Functions always return 0 - - \param [out] descriptor L1 descriptor - \param [out] descriptor2 L2 descriptor - \param [in] reg Section attributes - - \return 0 - */ -__STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg) -{ - *descriptor = 0; - - __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t); - __xn_section(descriptor,reg.xn_t); - __domain_section(descriptor, reg.domain); - __p_section(descriptor, reg.e_t); - __ap_section(descriptor, reg.priv_t, reg.user_t, 1); - __shared_section(descriptor,reg.sh_t); - __global_section(descriptor,reg.g_t); - __secure_section(descriptor,reg.sec_t); - *descriptor &= SECTION_MASK; - *descriptor |= SECTION_DESCRIPTOR; - - return 0; - -} - - -/** \brief Create a L1 and L2 4k/64k page descriptor - - The function creates a 4k/64k page descriptor. - Assumptions: - - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor - - Functions always return 0 - - \param [out] descriptor L1 descriptor - \param [out] descriptor2 L2 descriptor - \param [in] reg 4k/64k page attributes - - \return 0 - */ -__STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg) -{ - *descriptor = 0; - *descriptor2 = 0; - - switch (reg.rg_t) - { - case PAGE_4k: - __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k); - __xn_page(descriptor2, reg.xn_t, PAGE_4k); - __domain_page(descriptor, reg.domain); - __p_page(descriptor, reg.e_t); - __ap_page(descriptor2, reg.priv_t, reg.user_t, 1); - __shared_page(descriptor2,reg.sh_t); - __global_page(descriptor2,reg.g_t); - __secure_page(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: - __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k); - __xn_page(descriptor2, reg.xn_t, PAGE_64k); - __domain_page(descriptor, reg.domain); - __p_page(descriptor, reg.e_t); - __ap_page(descriptor2, reg.priv_t, reg.user_t, 1); - __shared_page(descriptor2,reg.sh_t); - __global_page(descriptor2,reg.g_t); - __secure_page(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 __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 __TTPage_4k(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 __TTPage_64k(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; - } -} - -/*@} end of MMU_Functions */ -#endif - -#ifdef __cplusplus -} -#endif