/**
* @file    SchM_Platform.c
*==================================================================================================
*   Project              : YTMicro AUTOSAR 4.4.0 MCAL
*   Platform             : ARM
*   Peripheral           : SchM_Platform
*   Dependencies         : none
*
*   Autosar Version      : V4.4.0
*   Autosar Revision     : ASR_REL_4_4_REV_0000
*   SW Version           : V0.9.0
*
*   (c) Copyright 2020-2025 Yuntu Microelectronics co.,ltd.
*   All Rights Reserved.
==================================================================================================*/

/**
*   @file    SchM_Platform.c
*
*   @addtogroup SCHM_PLATFORM_MODULE
*   @{
*/

#ifdef __cplusplus
extern "C"
{
#endif

/*==================================================================================================
                                              INCLUDE FILES
==================================================================================================*/
#include "Std_Types.h"
#include "OsIf.h"
#include "SchM_Platform.h"
/*==================================================================================================
                                      SOURCE FILE VERSION INFORMATION
==================================================================================================*/
#define SCHM_PLATFORM_VENDOR_ID_C                      (180)
#define SCHM_PLATFORM_AR_RELEASE_MAJOR_VERSION_C       (4)
#define SCHM_PLATFORM_AR_RELEASE_MINOR_VERSION_C       (4)
#define SCHM_PLATFORM_AR_RELEASE_REVISION_VERSION_C    (0)
#define SCHM_PLATFORM_SW_MAJOR_VERSION_C               (0)
#define SCHM_PLATFORM_SW_MINOR_VERSION_C               (9)
#define SCHM_PLATFORM_SW_PATCH_VERSION_C               (0)
/*==================================================================================================
                                            FILE VERSION CHECKS
==================================================================================================*/
/* Check if source file and SCHM_PLATFORM header file are of the same vendor */
#if (SCHM_PLATFORM_VENDOR_ID_C != SCHM_PLATFORM_VENDOR_ID)
#error "SchM_Platform.c and SchM_Platform.h have different vendor ids"
#endif

/* Check if source file and SCHM_PLATFORM header file are of the same Autosar version */
#if (( SCHM_PLATFORM_AR_RELEASE_MAJOR_VERSION_C != SCHM_PLATFORM_AR_RELEASE_MAJOR_VERSION) || \
      ( SCHM_PLATFORM_AR_RELEASE_MINOR_VERSION_C != SCHM_PLATFORM_AR_RELEASE_MINOR_VERSION) || \
      ( SCHM_PLATFORM_AR_RELEASE_REVISION_VERSION_C != SCHM_PLATFORM_AR_RELEASE_REVISION_VERSION))
#error "AutoSar Version Numbers of SchM_Platform.c and SchM_Platform.h are different"
#endif

/* Check if source file and SCHM_PLATFORM header file are of the same Software version */
#if (( SCHM_PLATFORM_SW_MAJOR_VERSION_C != SCHM_PLATFORM_SW_MAJOR_VERSION) || \
      ( SCHM_PLATFORM_SW_MINOR_VERSION_C != SCHM_PLATFORM_SW_MINOR_VERSION) || \
      ( SCHM_PLATFORM_SW_PATCH_VERSION_C != SCHM_PLATFORM_SW_PATCH_VERSION))
#error "Software Version Numbers of SchM_Platform.c and SchM_Platform.h are different"
#endif

/*==================================================================================================
                                                GLOBAL VARIABLES
==================================================================================================*/
/*==================================================================================================
*                                       LOCAL CONSTANTS
==================================================================================================*/
#ifdef MCAL_PLATFORM_ARM
#if (MCAL_PLATFORM_ARM == MCAL_ARM_AARCH64)
#define ISR_STATE_MASK     ((uint32)0x000000C0UL)   /**< @brief DAIF bit I and F */
#elif  (MCAL_PLATFORM_ARM == MCAL_ARM_RARCH)
#define ISR_STATE_MASK     ((uint32)0x00000080UL)   /**< @brief CPSR bit I */
#else
#if ((defined MCAL_ENABLE_USER_MODE_SUPPORT)&&(!defined MCAL_PLATFORM_ARM_M0PLUS))
#define ISR_STATE_MASK     ((uint32)0x000000FFUL)   /**< @brief BASEPRI[7:0] mask */
#else
#define ISR_STATE_MASK     ((uint32)0x00000001UL)   /**< @brief PRIMASK bit 0 */
#endif
#endif
#endif
/*==================================================================================================
*                                       LOCAL MACROS
==================================================================================================*/
#ifdef MCAL_PLATFORM_ARM
#if (MCAL_PLATFORM_ARM == MCAL_ARM_AARCH64)
#define ISR_ON(msr)            (((uint32)(msr) & (uint32)(ISR_STATE_MASK)) != (uint32)(ISR_STATE_MASK))
#elif  (MCAL_PLATFORM_ARM == MCAL_ARM_RARCH)
#define ISR_ON(msr)            (((uint32)(msr) & (uint32)(ISR_STATE_MASK)) != (uint32)(ISR_STATE_MASK))
#else
#define ISR_ON(msr)            (((uint32)(msr) & (uint32)(ISR_STATE_MASK)) == (uint32)0)
#endif
#endif

#if (STD_ON == PLATFORM_SCHM_SUPPORT)
/*==================================================================================================
*                                       LOCAL VARIABLES
==================================================================================================*/

#if defined MCAL_SCHM_LITE

#define RTE_START_SEC_VAR_CLEARED_8_NO_CACHEABLE
#include "Rte_MemMap.h"

RTE_VAR static volatile uint8 SchM_Platform_Msr;
RTE_VAR static volatile uint8 SchM_Platform_ReentryGuard;

#define RTE_STOP_SEC_VAR_CLEARED_8_NO_CACHEABLE
#include "Rte_MemMap.h"

#else

#define RTE_START_SEC_VAR_CLEARED_32_NO_CACHEABLE
#include "Rte_MemMap.h"

RTE_VAR static volatile uint32 SchM_Platform_Msr_00;
RTE_VAR static volatile uint32 SchM_Platform_ReentryGuard_00;

#define RTE_STOP_SEC_VAR_CLEARED_32_NO_CACHEABLE
#include "Rte_MemMap.h"

#endif /* MCAL_SCHM_LITE */

/*==================================================================================================
                                                LOCAL FUNCTIONS
==================================================================================================*/
#define RTE_START_SEC_CODE
#include "Rte_MemMap.h"

/**
* @brief   This function returns the MSR register value (32 bits).
* @details This function returns the MSR register value (32 bits).
*
* @param[in]     void        No input parameters
* @return        uint32 msr  This function returns the MSR register value (32 bits).
*
* @pre  None
* @post None
*
*/
RTE_FUNC uint32 SchM_Platform_ReadMsr(void)
{
#if ((defined MCAL_ENABLE_USER_MODE_SUPPORT)&&(!defined MCAL_PLATFORM_ARM_M0PLUS))
    return __get_BASEPRI();
#else
    return __get_PRIMASK();
#endif
}

#define RTE_STOP_SEC_CODE
#include "Rte_MemMap.h"

/*==================================================================================================
                                                GLOBAL FUNCTIONS
==================================================================================================*/

#define RTE_START_SEC_CODE
#include "Rte_MemMap.h"

#if defined MCAL_SCHM_LITE

RTE_FUNC void SchM_Enter_Platform_PLATFORM_EXCLUSIVE_AREA(void)
{
    if (0UL == SchM_Platform_ReentryGuard)
    {
#if (defined MCAL_ENABLE_USER_MODE_SUPPORT)
        SchM_Platform_Msr = OsIf_Trusted_Call_Return(SchM_Platform_ReadMsr);
#else
        SchM_Platform_Msr = SchM_Platform_ReadMsr();  /*read MSR (to store interrupts state)*/
#endif /* MCAL_ENABLE_USER_MODE_SUPPORT */
        if (TRUE == ISR_ON(SchM_Platform_Msr)) /*if MSR[EE] = 0, skip calling Suspend/Resume AllInterrupts*/
        {
            OsIf_SuspendAllInterrupts();
        }
    }
    SchM_Platform_ReentryGuard++;
}

RTE_FUNC void SchM_Exit_Platform_PLATFORM_EXCLUSIVE_AREA(void)
{
    SchM_Platform_ReentryGuard--;
    if ((TRUE == ISR_ON(SchM_Platform_Msr)) && (0UL == SchM_Platform_ReentryGuard))         /*if interrupts were enabled*/
    {
        OsIf_ResumeAllInterrupts();
    }
}

#else

RTE_FUNC void SchM_Enter_Platform_PLATFORM_EXCLUSIVE_AREA_00(void)
{
    if (0UL == SchM_Platform_ReentryGuard_00)
    {
#if (defined MCAL_ENABLE_USER_MODE_SUPPORT)
        SchM_Platform_Msr_00 = OsIf_Trusted_Call_Return(SchM_Platform_ReadMsr);
#else
        SchM_Platform_Msr_00 = SchM_Platform_ReadMsr();  /*read MSR (to store interrupts state)*/
#endif /* MCAL_ENABLE_USER_MODE_SUPPORT */
        if (TRUE == ISR_ON(SchM_Platform_Msr_00)) /*if MSR[EE] = 0, skip calling Suspend/Resume AllInterrupts*/
        {
            OsIf_SuspendAllInterrupts();
        }
    }
    SchM_Platform_ReentryGuard_00++;
}

RTE_FUNC void SchM_Exit_Platform_PLATFORM_EXCLUSIVE_AREA_00(void)
{
    SchM_Platform_ReentryGuard_00--;
    if ((TRUE == ISR_ON(SchM_Platform_Msr_00)) && (0UL == SchM_Platform_ReentryGuard_00))         /*if interrupts were enabled*/
    {
        OsIf_ResumeAllInterrupts();
    }
}

#endif /* MCAL_SCHM_LITE */

#define RTE_STOP_SEC_CODE
#include "Rte_MemMap.h"

#endif /* STD_ON == PLATFORM_SCHM_SUPPORT */

#ifdef __cplusplus
}
#endif

/** @} */

/* End of file SchM_Platform.c */

