IAR_Platform.h

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// (c) IMT - Information Management Technology AG, CH-9470 Buchs, www.imt.ch.
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// ActiveParts (AP) and the corresponding Data Flow Framework (DFF) is invented and designed by Jakob Daescher.
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#ifndef IMT_BASE_CORE_PLATFORM_IAR_PLATFORM_H
#define IMT_BASE_CORE_PLATFORM_IAR_PLATFORM_H
 
// AXIVION FILE Style AutosarC++19_03-A2.8.1: File provides global configuration constants and defines.
// AXIVION File Style AutosarC++19_03-A16.7.1: pragma allowed in this file because is compiler specific
// AXIVION File Style AutosarC++19_03-A17.0.1: definition of reserved identifiers (__*) required in this file
// AXIVION File Style CodingStyle-Naming.Function: specialties or iar specific naming
// AXIVION File Style CodingStyle-Naming.Macro: specialties or iar specific naming
 
// Check target device
// AXIVION File Style AutosarC++19_03-A16.6.1: error required here, static_assert as alternative not possible
#if !defined(__ICCARM__) // Cross compiler for arm
#error Target Device not supported!
#endif // __ICCARM__
 
// Enable using type limitations
#if !defined(__STDC_LIMIT_MACROS)
#define __STDC_LIMIT_MACROS
#endif
 
// Platform specific includes
#include <cassert>
#include <climits>
#include <cstddef>
#include <cstdint>
#include <cfloat>
#include <cstring>
 
// IAR intrinsics
#include <Imt.Base.Core.Platform/CountLeadingZeros.h>
#include <intrinsics.h>
 
// GCC Specific keywords used by Imt.Base framework
#define __DATAFLOW_ASM(x) asm volatile(x)
#define __DATAFLOW_ROOT // no supported in GNU
 
#if defined(__ARM6T2__)
#define __DATAFLOW_CLZ(x) __CLZ(x)
#else
#define __DATAFLOW_CLZ(x) ::imt::base::core::platform::countLeadingZeros(x)
#endif
 
// STM HAL specific defines
#define __IAR_FT _Pragma("inline=forced") __intrinsic
#ifndef __UNALIGNED_UINT32_READ
#pragma language = save
#pragma language = extended
// AXIVION Next Routine AutosarC++19_03-M7.3.1: in global namespace to be similar as the same function in CMSIS
__IAR_FT uint32_t __iar_uint32_read(void const* const ptr) {
    // AXIVION Next Codeline AutosarC++19_03-A5.3.2: responsibility of the caller here to not call with a nullptr
    // AXIVION Next Codeline AutosarC++19_03-M5.2.8: conversion from void-ptr to int-ptr required then interface with void* has to be similar as the same function in CMSIS
    // AXIVION Next Codeline AutosarC++19_03-A5.2.4: reinterpret cast required here because of void-ptr
    return *reinterpret_cast<__packed uint32_t const*>(ptr);
}
#pragma language = restore
 
#define __UNALIGNED_UINT32_READ(PTR) __iar_uint32_read(PTR)
#endif
 
#ifndef __UNALIGNED_UINT32_WRITE
#pragma language = save
#pragma language = extended
// AXIVION Next Routine AutosarC++19_03-M7.3.1: in global namespace to be similar as the same function in CMSIS
__IAR_FT void __iar_uint32_write(void* const ptr, uint32_t const val) {
    // AXIVION Next Codeline AutosarC++19_03-A5.3.2: responsibility of the caller here to not call with a nullptr
    // AXIVION Next Codeline AutosarC++19_03-M5.2.8: conversion from void-ptr to int-ptr required then interface with void* has to be similar as the same function in CMSIS
    // AXIVION Next Codeline AutosarC++19_03-A5.2.4: reinterpret cast required here because of void-ptr
    *reinterpret_cast<__packed uint32_t*>(ptr) = val;
}
#pragma language = restore
 
#define __UNALIGNED_UINT32_WRITE(PTR, VAL) __iar_uint32_write(PTR, VAL)
#endif
 
#endif // IMT_BASE_CORE_PLATFORM_IAR_PLATFORM_H