| /* |
| * Copyright (c) 2015-2016, Freescale Semiconductor, Inc. |
| * Copyright 2016-2018 NXP |
| * All rights reserved. |
| * |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include "fsl_common.h" |
| #define SDK_MEM_MAGIC_NUMBER 12345U |
| |
| typedef struct _mem_align_control_block |
| { |
| uint16_t identifier; /*!< Identifier for the memory control block. */ |
| uint16_t offset; /*!< offset from aligned address to real address */ |
| } mem_align_cb_t; |
| |
| /* Component ID definition, used by tools. */ |
| #ifndef FSL_COMPONENT_ID |
| #define FSL_COMPONENT_ID "platform.drivers.common" |
| #endif |
| |
| #ifndef __GIC_PRIO_BITS |
| #if defined(ENABLE_RAM_VECTOR_TABLE) |
| uint32_t InstallIRQHandler(IRQn_Type irq, uint32_t irqHandler) |
| { |
| /* Addresses for VECTOR_TABLE and VECTOR_RAM come from the linker file */ |
| #if defined(__CC_ARM) || defined(__ARMCC_VERSION) |
| extern uint32_t Image$$VECTOR_ROM$$Base[]; |
| extern uint32_t Image$$VECTOR_RAM$$Base[]; |
| extern uint32_t Image$$RW_m_data$$Base[]; |
| |
| #define __VECTOR_TABLE Image$$VECTOR_ROM$$Base |
| #define __VECTOR_RAM Image$$VECTOR_RAM$$Base |
| #define __RAM_VECTOR_TABLE_SIZE (((uint32_t)Image$$RW_m_data$$Base - (uint32_t)Image$$VECTOR_RAM$$Base)) |
| #elif defined(__ICCARM__) |
| extern uint32_t __RAM_VECTOR_TABLE_SIZE[]; |
| extern uint32_t __VECTOR_TABLE[]; |
| extern uint32_t __VECTOR_RAM[]; |
| #elif defined(__GNUC__) |
| extern uint32_t __VECTOR_TABLE[]; |
| extern uint32_t __VECTOR_RAM[]; |
| extern uint32_t __RAM_VECTOR_TABLE_SIZE_BYTES[]; |
| uint32_t __RAM_VECTOR_TABLE_SIZE = (uint32_t)(__RAM_VECTOR_TABLE_SIZE_BYTES); |
| #endif /* defined(__CC_ARM) || defined(__ARMCC_VERSION) */ |
| uint32_t n; |
| uint32_t ret; |
| uint32_t irqMaskValue; |
| |
| irqMaskValue = DisableGlobalIRQ(); |
| if (SCB->VTOR != (uint32_t)__VECTOR_RAM) |
| { |
| /* Copy the vector table from ROM to RAM */ |
| for (n = 0; n < ((uint32_t)__RAM_VECTOR_TABLE_SIZE) / sizeof(uint32_t); n++) |
| { |
| __VECTOR_RAM[n] = __VECTOR_TABLE[n]; |
| } |
| /* Point the VTOR to the position of vector table */ |
| SCB->VTOR = (uint32_t)__VECTOR_RAM; |
| } |
| |
| ret = __VECTOR_RAM[irq + 16]; |
| /* make sure the __VECTOR_RAM is noncachable */ |
| __VECTOR_RAM[irq + 16] = irqHandler; |
| |
| EnableGlobalIRQ(irqMaskValue); |
| |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| |
| return ret; |
| } |
| #endif /* ENABLE_RAM_VECTOR_TABLE. */ |
| #endif /* __GIC_PRIO_BITS. */ |
| |
| #if (defined(FSL_FEATURE_SOC_SYSCON_COUNT) && (FSL_FEATURE_SOC_SYSCON_COUNT > 0)) |
| #if !(defined(FSL_FEATURE_SYSCON_STARTER_DISCONTINUOUS) && FSL_FEATURE_SYSCON_STARTER_DISCONTINUOUS) |
| |
| void EnableDeepSleepIRQ(IRQn_Type interrupt) |
| { |
| uint32_t intNumber = (uint32_t)interrupt; |
| |
| uint32_t index = 0; |
| |
| while (intNumber >= 32u) |
| { |
| index++; |
| intNumber -= 32u; |
| } |
| |
| SYSCON->STARTERSET[index] = 1u << intNumber; |
| EnableIRQ(interrupt); /* also enable interrupt at NVIC */ |
| } |
| |
| void DisableDeepSleepIRQ(IRQn_Type interrupt) |
| { |
| uint32_t intNumber = (uint32_t)interrupt; |
| |
| DisableIRQ(interrupt); /* also disable interrupt at NVIC */ |
| uint32_t index = 0; |
| |
| while (intNumber >= 32u) |
| { |
| index++; |
| intNumber -= 32u; |
| } |
| |
| SYSCON->STARTERCLR[index] = 1u << intNumber; |
| } |
| #endif /* FSL_FEATURE_SYSCON_STARTER_DISCONTINUOUS */ |
| #endif /* FSL_FEATURE_SOC_SYSCON_COUNT */ |
| |
| void *SDK_Malloc(size_t size, size_t alignbytes) |
| { |
| mem_align_cb_t *p_cb = NULL; |
| uint32_t alignedsize = SDK_SIZEALIGN(size, alignbytes) + alignbytes + sizeof(mem_align_cb_t); |
| void *p_align_addr, *p_addr = malloc(alignedsize); |
| |
| if (!p_addr) |
| { |
| return NULL; |
| } |
| |
| p_align_addr = (void *)SDK_SIZEALIGN((uint32_t)p_addr + sizeof(mem_align_cb_t), alignbytes); |
| |
| p_cb = (mem_align_cb_t *)((uint32_t)p_align_addr - 4); |
| p_cb->identifier = SDK_MEM_MAGIC_NUMBER; |
| p_cb->offset = (uint32_t)p_align_addr - (uint32_t)p_addr; |
| |
| return (void *)p_align_addr; |
| } |
| |
| void SDK_Free(void *ptr) |
| { |
| mem_align_cb_t *p_cb = (mem_align_cb_t *)((uint32_t)ptr - 4); |
| |
| if (p_cb->identifier != SDK_MEM_MAGIC_NUMBER) |
| { |
| return; |
| } |
| |
| free((void *)((uint32_t)ptr - p_cb->offset)); |
| } |