--- /dev/null
+/*
+ * Copyright (c) 2015-2016, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _FSL_COMMON_H_
+#define _FSL_COMMON_H_
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+
+#if defined(__ICCARM__)
+#include <stddef.h>
+#endif
+
+#include "fsl_device_registers.h"
+
+/*!
+ * @addtogroup ksdk_common
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*! @brief Construct a status code value from a group and code number. */
+#define MAKE_STATUS(group, code) ((((group)*100) + (code)))
+
+/*! @brief Construct the version number for drivers. */
+#define MAKE_VERSION(major, minor, bugfix) (((major) << 16) | ((minor) << 8) | (bugfix))
+
+/*! @name Driver version */
+/*@{*/
+/*! @brief common driver version 2.0.0. */
+#define FSL_COMMON_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
+/*@}*/
+
+/* Debug console type definition. */
+#define DEBUG_CONSOLE_DEVICE_TYPE_NONE 0U /*!< No debug console. */
+#define DEBUG_CONSOLE_DEVICE_TYPE_UART 1U /*!< Debug console base on UART. */
+#define DEBUG_CONSOLE_DEVICE_TYPE_LPUART 2U /*!< Debug console base on LPUART. */
+#define DEBUG_CONSOLE_DEVICE_TYPE_LPSCI 3U /*!< Debug console base on LPSCI. */
+#define DEBUG_CONSOLE_DEVICE_TYPE_USBCDC 4U /*!< Debug console base on USBCDC. */
+#define DEBUG_CONSOLE_DEVICE_TYPE_FLEXCOMM 5U /*!< Debug console base on USBCDC. */
+#define DEBUG_CONSOLE_DEVICE_TYPE_IUART 6U /*!< Debug console base on i.MX UART. */
+#define DEBUG_CONSOLE_DEVICE_TYPE_VUSART 7U /*!< Debug console base on LPC_USART. */
+
+/*! @brief Status group numbers. */
+enum _status_groups
+{
+ kStatusGroup_Generic = 0, /*!< Group number for generic status codes. */
+ kStatusGroup_FLASH = 1, /*!< Group number for FLASH status codes. */
+ kStatusGroup_LPSPI = 4, /*!< Group number for LPSPI status codes. */
+ kStatusGroup_FLEXIO_SPI = 5, /*!< Group number for FLEXIO SPI status codes. */
+ kStatusGroup_DSPI = 6, /*!< Group number for DSPI status codes. */
+ kStatusGroup_FLEXIO_UART = 7, /*!< Group number for FLEXIO UART status codes. */
+ kStatusGroup_FLEXIO_I2C = 8, /*!< Group number for FLEXIO I2C status codes. */
+ kStatusGroup_LPI2C = 9, /*!< Group number for LPI2C status codes. */
+ kStatusGroup_UART = 10, /*!< Group number for UART status codes. */
+ kStatusGroup_I2C = 11, /*!< Group number for UART status codes. */
+ kStatusGroup_LPSCI = 12, /*!< Group number for LPSCI status codes. */
+ kStatusGroup_LPUART = 13, /*!< Group number for LPUART status codes. */
+ kStatusGroup_SPI = 14, /*!< Group number for SPI status code.*/
+ kStatusGroup_XRDC = 15, /*!< Group number for XRDC status code.*/
+ kStatusGroup_SEMA42 = 16, /*!< Group number for SEMA42 status code.*/
+ kStatusGroup_SDHC = 17, /*!< Group number for SDHC status code */
+ kStatusGroup_SDMMC = 18, /*!< Group number for SDMMC status code */
+ kStatusGroup_SAI = 19, /*!< Group number for SAI status code */
+ kStatusGroup_MCG = 20, /*!< Group number for MCG status codes. */
+ kStatusGroup_SCG = 21, /*!< Group number for SCG status codes. */
+ kStatusGroup_SDSPI = 22, /*!< Group number for SDSPI status codes. */
+ kStatusGroup_FLEXIO_I2S = 23, /*!< Group number for FLEXIO I2S status codes */
+ kStatusGroup_FLEXIO_MCULCD = 24, /*!< Group number for FLEXIO LCD status codes */
+ kStatusGroup_FLASHIAP = 25, /*!< Group number for FLASHIAP status codes */
+ kStatusGroup_FLEXCOMM_I2C = 26, /*!< Group number for FLEXCOMM I2C status codes */
+ kStatusGroup_I2S = 27, /*!< Group number for I2S status codes */
+ kStatusGroup_IUART = 28, /*!< Group number for IUART status codes */
+ kStatusGroup_CSI = 29, /*!< Group number for CSI status codes */
+ kStatusGroup_SDRAMC = 35, /*!< Group number for SDRAMC status codes. */
+ kStatusGroup_POWER = 39, /*!< Group number for POWER status codes. */
+ kStatusGroup_ENET = 40, /*!< Group number for ENET status codes. */
+ kStatusGroup_PHY = 41, /*!< Group number for PHY status codes. */
+ kStatusGroup_TRGMUX = 42, /*!< Group number for TRGMUX status codes. */
+ kStatusGroup_SMARTCARD = 43, /*!< Group number for SMARTCARD status codes. */
+ kStatusGroup_LMEM = 44, /*!< Group number for LMEM status codes. */
+ kStatusGroup_QSPI = 45, /*!< Group number for QSPI status codes. */
+ kStatusGroup_DMA = 50, /*!< Group number for DMA status codes. */
+ kStatusGroup_EDMA = 51, /*!< Group number for EDMA status codes. */
+ kStatusGroup_DMAMGR = 52, /*!< Group number for DMAMGR status codes. */
+ kStatusGroup_FLEXCAN = 53, /*!< Group number for FlexCAN status codes. */
+ kStatusGroup_LTC = 54, /*!< Group number for LTC status codes. */
+ kStatusGroup_FLEXIO_CAMERA = 55, /*!< Group number for FLEXIO CAMERA status codes. */
+ kStatusGroup_LPC_SPI = 56, /*!< Group number for LPC_SPI status codes. */
+ kStatusGroup_LPC_USART = 57, /*!< Group number for LPC_USART status codes. */
+ kStatusGroup_DMIC = 58, /*!< Group number for DMIC status codes. */
+ kStatusGroup_SDIF = 59, /*!< Group number for SDIF status codes.*/
+ kStatusGroup_SPIFI = 60, /*!< Group number for SPIFI status codes. */
+ kStatusGroup_OTP = 61, /*!< Group number for OTP status codes. */
+ kStatusGroup_MCAN = 62, /*!< Group number for MCAN status codes. */
+ kStatusGroup_CAAM = 63, /*!< Group number for CAAM status codes. */
+ kStatusGroup_ECSPI = 64, /*!< Group number for ECSPI status codes. */
+ kStatusGroup_USDHC = 65, /*!< Group number for USDHC status codes.*/
+ kStatusGroup_LPC_I2C = 66, /*!< Group number for LPC_I2C status codes.*/
+ kStatusGroup_ESAI = 69, /*!< Group number for ESAI status codes. */
+ kStatusGroup_FLEXSPI = 70, /*!< Group number for FLEXSPI status codes. */
+ kStatusGroup_MMDC = 71, /*!< Group number for MMDC status codes. */
+ kStatusGroup_MICFIL = 72, /*!< Group number for MIC status codes. */
+ kStatusGroup_SDMA = 73, /*!< Group number for SDMA status codes. */
+ kStatusGroup_ICS = 74, /*!< Group number for ICS status codes. */
+ kStatusGroup_NOTIFIER = 98, /*!< Group number for NOTIFIER status codes. */
+ kStatusGroup_DebugConsole = 99, /*!< Group number for debug console status codes. */
+ kStatusGroup_ApplicationRangeStart = 100, /*!< Starting number for application groups. */
+};
+
+/*! @brief Generic status return codes. */
+enum _generic_status
+{
+ kStatus_Success = MAKE_STATUS(kStatusGroup_Generic, 0),
+ kStatus_Fail = MAKE_STATUS(kStatusGroup_Generic, 1),
+ kStatus_ReadOnly = MAKE_STATUS(kStatusGroup_Generic, 2),
+ kStatus_OutOfRange = MAKE_STATUS(kStatusGroup_Generic, 3),
+ kStatus_InvalidArgument = MAKE_STATUS(kStatusGroup_Generic, 4),
+ kStatus_Timeout = MAKE_STATUS(kStatusGroup_Generic, 5),
+ kStatus_NoTransferInProgress = MAKE_STATUS(kStatusGroup_Generic, 6),
+};
+
+/*! @brief Type used for all status and error return values. */
+typedef int32_t status_t;
+
+/*
+ * The fsl_clock.h is included here because it needs MAKE_VERSION/MAKE_STATUS/status_t
+ * defined in previous of this file.
+ */
+#include "fsl_clock.h"
+
+/*
+ * Chip level peripheral reset API, for MCUs that implement peripheral reset control external to a peripheral
+ */
+#if ((defined(FSL_FEATURE_SOC_SYSCON_COUNT) && (FSL_FEATURE_SOC_SYSCON_COUNT > 0)) || \
+ (defined(FSL_FEATURE_SOC_ASYNC_SYSCON_COUNT) && (FSL_FEATURE_SOC_ASYNC_SYSCON_COUNT > 0)))
+#include "fsl_reset.h"
+#endif
+
+/*! @name Min/max macros */
+/* @{ */
+#if !defined(MIN)
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+
+#if !defined(MAX)
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#endif
+/* @} */
+
+/*! @brief Computes the number of elements in an array. */
+#if !defined(ARRAY_SIZE)
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+/*! @name UINT16_MAX/UINT32_MAX value */
+/* @{ */
+#if !defined(UINT16_MAX)
+#define UINT16_MAX ((uint16_t)-1)
+#endif
+
+#if !defined(UINT32_MAX)
+#define UINT32_MAX ((uint32_t)-1)
+#endif
+/* @} */
+
+/*! @name Timer utilities */
+/* @{ */
+/*! Macro to convert a microsecond period to raw count value */
+#define USEC_TO_COUNT(us, clockFreqInHz) (uint64_t)((uint64_t)us * clockFreqInHz / 1000000U)
+/*! Macro to convert a raw count value to microsecond */
+#define COUNT_TO_USEC(count, clockFreqInHz) (uint64_t)((uint64_t)count * 1000000U / clockFreqInHz)
+
+/*! Macro to convert a millisecond period to raw count value */
+#define MSEC_TO_COUNT(ms, clockFreqInHz) (uint64_t)((uint64_t)ms * clockFreqInHz / 1000U)
+/*! Macro to convert a raw count value to millisecond */
+#define COUNT_TO_MSEC(count, clockFreqInHz) (uint64_t)((uint64_t)count * 1000U / clockFreqInHz)
+/* @} */
+
+/*! @name Alignment variable definition macros */
+/* @{ */
+#if (defined(__ICCARM__))
+/**
+ * Workaround to disable MISRA C message suppress warnings for IAR compiler.
+ * http://supp.iar.com/Support/?note=24725
+ */
+_Pragma("diag_suppress=Pm120")
+#define SDK_PRAGMA(x) _Pragma(#x)
+ _Pragma("diag_error=Pm120")
+/*! Macro to define a variable with alignbytes alignment */
+#define SDK_ALIGN(var, alignbytes) SDK_PRAGMA(data_alignment = alignbytes) var
+/*! Macro to define a variable with L1 d-cache line size alignment */
+#if defined(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE)
+#define SDK_L1DCACHE_ALIGN(var) SDK_PRAGMA(data_alignment = FSL_FEATURE_L1DCACHE_LINESIZE_BYTE) var
+#endif
+/*! Macro to define a variable with L2 cache line size alignment */
+#if defined(FSL_FEATURE_L2CACHE_LINESIZE_BYTE)
+#define SDK_L2CACHE_ALIGN(var) SDK_PRAGMA(data_alignment = FSL_FEATURE_L2CACHE_LINESIZE_BYTE) var
+#endif
+#elif defined(__CC_ARM)
+/*! Macro to define a variable with alignbytes alignment */
+#define SDK_ALIGN(var, alignbytes) __align(alignbytes) var
+/*! Macro to define a variable with L1 d-cache line size alignment */
+#if defined(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE)
+#define SDK_L1DCACHE_ALIGN(var) __align(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE) var
+#endif
+/*! Macro to define a variable with L2 cache line size alignment */
+#if defined(FSL_FEATURE_L2CACHE_LINESIZE_BYTE)
+#define SDK_L2CACHE_ALIGN(var) __align(FSL_FEATURE_L2CACHE_LINESIZE_BYTE) var
+#endif
+#elif defined(__GNUC__)
+/*! Macro to define a variable with alignbytes alignment */
+#define SDK_ALIGN(var, alignbytes) var __attribute__((aligned(alignbytes)))
+/*! Macro to define a variable with L1 d-cache line size alignment */
+#if defined(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE)
+#define SDK_L1DCACHE_ALIGN(var) var __attribute__((aligned(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE)))
+#endif
+/*! Macro to define a variable with L2 cache line size alignment */
+#if defined(FSL_FEATURE_L2CACHE_LINESIZE_BYTE)
+#define SDK_L2CACHE_ALIGN(var) var __attribute__((aligned(FSL_FEATURE_L2CACHE_LINESIZE_BYTE)))
+#endif
+#else
+#error Toolchain not supported
+#define SDK_ALIGN(var, alignbytes) var
+#if defined(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE)
+#define SDK_L1DCACHE_ALIGN(var) var
+#endif
+#if defined(FSL_FEATURE_L2CACHE_LINESIZE_BYTE)
+#define SDK_L2CACHE_ALIGN(var) var
+#endif
+#endif
+
+/*! Macro to change a value to a given size aligned value */
+#define SDK_SIZEALIGN(var, alignbytes) \
+ ((unsigned int)((var) + ((alignbytes)-1)) & (unsigned int)(~(unsigned int)((alignbytes)-1)))
+/* @} */
+
+/*! @name Non-cacheable region definition macros */
+/* @{ */
+#if (defined(__ICCARM__))
+#if defined(FSL_FEATURE_L1ICACHE_LINESIZE_BYTE)
+#define AT_NONCACHEABLE_SECTION(var) var @"NonCacheable"
+#define AT_NONCACHEABLE_SECTION_ALIGN(var, alignbytes) SDK_PRAGMA(data_alignment = alignbytes) var @"NonCacheable"
+#else
+#define AT_NONCACHEABLE_SECTION(var) var
+#define AT_NONCACHEABLE_SECTION_ALIGN(var, alignbytes) SDK_PRAGMA(data_alignment = alignbytes) var
+#endif
+#elif(defined(__CC_ARM))
+#if defined(FSL_FEATURE_L1ICACHE_LINESIZE_BYTE)
+#define AT_NONCACHEABLE_SECTION(var) __attribute__((section("NonCacheable"))) var
+#define AT_NONCACHEABLE_SECTION_ALIGN(var, alignbytes) \
+ __attribute__((section("NonCacheable"), zero_init)) __align(alignbytes) var
+#else
+#define AT_NONCACHEABLE_SECTION(var) var
+#define AT_NONCACHEABLE_SECTION_ALIGN(var, alignbytes) __align(alignbytes) var
+#endif
+#elif(defined(__GNUC__))
+/* For GCC, when the non-cacheable section is required, please define "__STARTUP_INITIALIZE_NONCACHEDATA"
+ * in your projects to make sure the non-cacheable section variables will be initialized in system startup.
+ */
+#if defined(FSL_FEATURE_L1ICACHE_LINESIZE_BYTE)
+#define AT_NONCACHEABLE_SECTION(var) __attribute__((section("NonCacheable"))) var
+#define AT_NONCACHEABLE_SECTION_ALIGN(var, alignbytes) \
+ __attribute__((section("NonCacheable"))) var __attribute__((aligned(alignbytes)))
+#else
+#define AT_NONCACHEABLE_SECTION(var) var
+#define AT_NONCACHEABLE_SECTION_ALIGN(var, alignbytes) var __attribute__((aligned(alignbytes)))
+#endif
+#else
+#error Toolchain not supported.
+#define AT_NONCACHEABLE_SECTION(var) var
+#define AT_NONCACHEABLE_SECTION_ALIGN(var, alignbytes) var
+#endif
+/* @} */
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @brief Enable specific interrupt.
+ *
+ * Enable LEVEL1 interrupt. For some devices, there might be multiple interrupt
+ * levels. For example, there are NVIC and intmux. Here the interrupts connected
+ * to NVIC are the LEVEL1 interrupts, because they are routed to the core directly.
+ * The interrupts connected to intmux are the LEVEL2 interrupts, they are routed
+ * to NVIC first then routed to core.
+ *
+ * This function only enables the LEVEL1 interrupts. The number of LEVEL1 interrupts
+ * is indicated by the feature macro FSL_FEATURE_NUMBER_OF_LEVEL1_INT_VECTORS.
+ *
+ * @param interrupt The IRQ number.
+ * @retval kStatus_Success Interrupt enabled successfully
+ * @retval kStatus_Fail Failed to enable the interrupt
+ */
+static inline status_t EnableIRQ(IRQn_Type interrupt)
+{
+ if (NotAvail_IRQn == interrupt)
+ {
+ return kStatus_Fail;
+ }
+
+#if defined(FSL_FEATURE_NUMBER_OF_LEVEL1_INT_VECTORS) && (FSL_FEATURE_NUMBER_OF_LEVEL1_INT_VECTORS > 0)
+ if (interrupt >= FSL_FEATURE_NUMBER_OF_LEVEL1_INT_VECTORS)
+ {
+ return kStatus_Fail;
+ }
+#endif
+
+#if defined(FSL_FEATURE_SOC_EVENT_COUNT) && (FSL_FEATURE_SOC_EVENT_COUNT > 0)
+ EVENT_UNIT->INTPTEN |= (uint32_t)(1 << interrupt);
+ /* Read back to make sure write finished. */
+ (void)EVENT_UNIT->INTPTEN;
+#else
+#if defined(__GIC_PRIO_BITS)
+ GIC_EnableIRQ(interrupt);
+#else
+ NVIC_EnableIRQ(interrupt);
+#endif
+#endif
+ return kStatus_Success;
+}
+
+/*!
+ * @brief Disable specific interrupt.
+ *
+ * Disable LEVEL1 interrupt. For some devices, there might be multiple interrupt
+ * levels. For example, there are NVIC and intmux. Here the interrupts connected
+ * to NVIC are the LEVEL1 interrupts, because they are routed to the core directly.
+ * The interrupts connected to intmux are the LEVEL2 interrupts, they are routed
+ * to NVIC first then routed to core.
+ *
+ * This function only disables the LEVEL1 interrupts. The number of LEVEL1 interrupts
+ * is indicated by the feature macro FSL_FEATURE_NUMBER_OF_LEVEL1_INT_VECTORS.
+ *
+ * @param interrupt The IRQ number.
+ * @retval kStatus_Success Interrupt disabled successfully
+ * @retval kStatus_Fail Failed to disable the interrupt
+ */
+static inline status_t DisableIRQ(IRQn_Type interrupt)
+{
+ if (NotAvail_IRQn == interrupt)
+ {
+ return kStatus_Fail;
+ }
+
+#if defined(FSL_FEATURE_NUMBER_OF_LEVEL1_INT_VECTORS) && (FSL_FEATURE_NUMBER_OF_LEVEL1_INT_VECTORS > 0)
+ if (interrupt >= FSL_FEATURE_NUMBER_OF_LEVEL1_INT_VECTORS)
+ {
+ return kStatus_Fail;
+ }
+#endif
+
+#if defined(FSL_FEATURE_SOC_EVENT_COUNT) && (FSL_FEATURE_SOC_EVENT_COUNT > 0)
+ EVENT_UNIT->INTPTEN &= ~(uint32_t)(1 << interrupt);
+ /* Read back to make sure write finished. */
+ (void)EVENT_UNIT->INTPTEN;
+#else
+#if defined(__GIC_PRIO_BITS)
+ GIC_DisableIRQ(interrupt);
+#else
+ NVIC_DisableIRQ(interrupt);
+#endif
+#endif
+ return kStatus_Success;
+}
+
+/*!
+ * @brief Disable the global IRQ
+ *
+ * Disable the global interrupt and return the current primask register. User is required to provided the primask
+ * register for the EnableGlobalIRQ().
+ *
+ * @return Current primask value.
+ */
+static inline uint32_t DisableGlobalIRQ(void)
+{
+#ifndef __riscv
+#if defined(CPSR_I_Msk)
+ uint32_t cpsr = __get_CPSR() & CPSR_I_Msk;
+
+ __disable_irq();
+
+ return cpsr;
+#else
+ uint32_t regPrimask = __get_PRIMASK();
+
+ __disable_irq();
+
+ return regPrimask;
+#endif
+#else
+ uint32_t mstatus;
+
+ __ASM volatile ("csrrci %0, mstatus, 8" : "=r"(mstatus));
+
+ return mstatus;
+#endif
+}
+
+/*!
+ * @brief Enaable the global IRQ
+ *
+ * Set the primask register with the provided primask value but not just enable the primask. The idea is for the
+ * convinience of integration of RTOS. some RTOS get its own management mechanism of primask. User is required to
+ * use the EnableGlobalIRQ() and DisableGlobalIRQ() in pair.
+ *
+ * @param primask value of primask register to be restored. The primask value is supposed to be provided by the
+ * DisableGlobalIRQ().
+ */
+static inline void EnableGlobalIRQ(uint32_t primask)
+{
+#ifndef __riscv
+#if defined(CPSR_I_Msk)
+ __set_CPSR((__get_CPSR() & ~CPSR_I_Msk) | primask);
+#else
+ __set_PRIMASK(primask);
+#endif
+#else
+ __ASM volatile ("csrw mstatus, %0" : : "r"(primask));
+#endif
+}
+
+/*!
+ * @brief install IRQ handler
+ *
+ * @param irq IRQ number
+ * @param irqHandler IRQ handler address
+ * @return The old IRQ handler address
+ */
+uint32_t InstallIRQHandler(IRQn_Type irq, uint32_t irqHandler);
+
+#if (defined(FSL_FEATURE_SOC_SYSCON_COUNT) && (FSL_FEATURE_SOC_SYSCON_COUNT > 0))
+/*!
+ * @brief Enable specific interrupt for wake-up from deep-sleep mode.
+ *
+ * Enable the interrupt for wake-up from deep sleep mode.
+ * Some interrupts are typically used in sleep mode only and will not occur during
+ * deep-sleep mode because relevant clocks are stopped. However, it is possible to enable
+ * those clocks (significantly increasing power consumption in the reduced power mode),
+ * making these wake-ups possible.
+ *
+ * @note This function also enables the interrupt in the NVIC (EnableIRQ() is called internally).
+ *
+ * @param interrupt The IRQ number.
+ */
+void EnableDeepSleepIRQ(IRQn_Type interrupt);
+
+/*!
+ * @brief Disable specific interrupt for wake-up from deep-sleep mode.
+ *
+ * Disable the interrupt for wake-up from deep sleep mode.
+ * Some interrupts are typically used in sleep mode only and will not occur during
+ * deep-sleep mode because relevant clocks are stopped. However, it is possible to enable
+ * those clocks (significantly increasing power consumption in the reduced power mode),
+ * making these wake-ups possible.
+ *
+ * @note This function also disables the interrupt in the NVIC (DisableIRQ() is called internally).
+ *
+ * @param interrupt The IRQ number.
+ */
+void DisableDeepSleepIRQ(IRQn_Type interrupt);
+#endif /* FSL_FEATURE_SOC_SYSCON_COUNT */
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @} */
+
+#endif /* _FSL_COMMON_H_ */
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