PPU examples

Right-click on the project, then Build Configurations → Set Active → PPU Debug → Ext. MetaWare.

Right-click on the project, then Properties → C/C++ Build → Settings → Settings. Update MetaWare Installation Path to, i.e., "C:\HighTec\toolchains\mwaurix\v1.0.0" and click on Apply and close.

Click on the project, then Properties → C/C++ Build → Behavior. Disable parallel build by deselecting the "enable parallel build" checkbox, then click on Apply and close. Optionally, configure the option "use optimal jobs" to "use parallel jobs" and set the value to be lower or equal to the physical cores of the used laptop. This is not a fail-proof option, and one might encounter a compiler crash during the build.

Under the options for MetaWare C/C++ Compiler, click on "Miscellaneous" and add -Hnocrt, click on Apply and close.

Under the options for MetaWare Linker, click on "Miscellaneous" and add -Hnocrt, click on Apply and close.

Under the options for MetaWare Linker, click on "Runtime Libraries" and mark Do not link in standard C/C++ library (-Hnolib), click on Apply and close.

Click on AURIX Development Studio → AURIX Build Booster click on Ignore paths and add the following folders and click on Apply.:

One by one, right-click on the following directories/files, then Resource Configuration → Exclude from build → Select your build configuration and click OK (some may already have been disabled).

Remove the following code in iLLD/Tricore/Cpu/std/IfxCpu_Intrinsics.h due to the error: redefinition of '<_functions_>':

#if defined(__arc__)
IFX_INLINE void Ifx__ldmst(volatile void *address, unsigned mask, unsigned value)
{
    *(volatile uint32 *)address = (*(volatile uint32 *)address & ~(mask)) | (mask & value);
}

IFX_INLINE uint32 __clz(sint32 x)
{
	uint32 n = 0;
    uint32 bits = sizeof(x) * 8;
    for (int i = 1; i < bits; i ++) {
        if (x < 0) break;
        n ++;
        x <<= 1;
    }
    return n;
}

IFX_INLINE void Ifx__imaskldmst(volatile void *address, unsigned value, unsigned bitoffset, unsigned bits)
{
	uint32 mask = (((1u << bits) - 1u) << bitoffset);
	uint32 shiftValue = (value << bitoffset);
	*(volatile uint32 *)address = (*(volatile uint32 *)address & ~(mask)) | (mask & shiftValue);
}
#endif


/** 32bit load operation
 */
IFX_INLINE uint32 __ld32(void *addr)
{
    return *(volatile uint32 *)addr;
}


/** 32bit store operation
 */
IFX_INLINE void __st32(void *addr, uint32 value)
{
    *(volatile uint32 *)addr = value;
}


/** 64bit load operation
 */
IFX_INLINE uint64 __ld64(void *addr)
{
    return *(volatile uint64 *)addr;
}


/** 64bit store operation
 */
IFX_INLINE void __st64(void *addr, uint64 value)
{
    *(volatile uint64 *)addr = value;
}


/** 64bit load operation which returns the lower and upper 32bit word
 */
IFX_INLINE void __ld64_lu(void *addr, uint32 *valueLower, uint32 *valueUpper)
{
    uint64 value;
    value       = __ld64(addr);
    *valueLower = (uint32)value;
    *valueUpper = (uint32)(value >> 32);
}


/** 64bit store operation which stores a lower and upper 32bit word
 */
IFX_INLINE void __st64_lu(void *addr, uint32 valueLower, uint32 valueUpper)
{
    uint64 value = ((uint64)valueUpper << 32) | valueLower;
    __st64(addr, value);
}

Build the PPU project.

Right-click on the project, then Project updater → Update iLLD → Finish.

Right-click on the project and click on Refresh.

Wait until the indexer finishes.

Update the generated Lcf_Hightec_Tricore_Tc.lsl linker script with the base TC49x linker script.

Right-click on the project, then Build Configurations → Manage → New

Set the newly created configuration to active by clicking on Set Active and click OK.

Wait until the indexer finishes.

Edit the build settings: right-click on the project Properties → C/C++ Build → Settings

Under the options for LLVM C Compiler, click on "Miscellaneous" and add -merrata=cpu141, click on Apply.

Under the options for LLVM C++ Compiler, click on "Miscellaneous" and add -merrata=cpu141, click on Apply.

Click on LLVM Assembler, extend the command string with -merrata=cpu141 to clang -merrata=cpu141 and click on Apply.

Click on LLVM Linker, extend the command string with -merrata=cpu141 to clang -merrata=cpu141 and click on Apply.

Click on LLVM Linker → Libraries and change libraries from htcos to semihost and click on Apply.

Right-click on the project, then Properties → AURIX Development Studio → AURIX Build Booster → Libraries paths → Delete /Libraries/iLLD if present and click on Apply and close.

Right-click on the project, then Properties → AURIX Development Studio → AURIX Build Booster → Ignore paths → Add the following folders and click on Apply and close.

Right-click on the project, then Properties → C/C++ General → Paths and Symbols → Includes → GNU C, and ensure that the include paths do not contain any of the following directories and their subdirectories, click on Apply and close.

One by one, Right-click on the following directories, then Resource Configuration → Exclude from build → Select your build configuration and click OK (some may already have been disabled).

Change the definition of uncached data/bss sections in Cpu0_Main.c due to the warning: unknown pragma ignored [-Wunknown-pragmas]

Change uncached.lmubss section definition (applies to iLLD_TC49xA_ADS_PPU-IPC, iLLD_TC49xA_ADS_PPU-IRQ, and iLLD_TC49xA_ADS_PPU-STU)
From:

#pragma section all "uncached.lmubss"
/* Declaration of global uninitialized variables */
#pragma section all

#if defined(__HIGHTEC__) && defined(__clang__)
#pragma clang section bss=".uncached.lmubss"
#else #pragma section all "uncached.lmubss"
#endif
/* Declaration of global uninitialized variables */
#if defined(__HIGHTEC__) && defined(__clang__)
#pragma clang section bss=""
#else
#pragma section all "uncached.lmubss"
#endif

Change uncached.lmudata section definition (applies to iLLD_TC49xA_ADS_PPU-STU):
From:

#pragma section all "uncached.lmudata"
/* Definition of global initialized variables */
#pragma section all "uncached.lmudata"

#if defined(__HIGHTEC__) && defined(__clang__)
#pragma clang section data=".uncached.lmudata"
#else
#pragma section all "uncached.lmudata"
#endif
/* Definition of global initialized variables */
#if defined(__HIGHTEC__) && defined(__clang__)
#pragma clang section data=""
#else
#pragma section all "uncached.lmudata"
#endif

Change the following code in AllowAccess.c due to the warning: non-portable path to file; specified path differs in case from file name on disk [-Wnonportable-include-path]:
From:

#include "IfxCpu_Cfg.h"
#include "IfxGtm_Cfg.h"
#include "IfxEgtm_Cfg.h"
#include "IfxQspi_Cfg.h"
#include "IfxCan_Cfg.h"
#include "IfxAsclin_Cfg.h"
#include "IfxSent_Cfg.h"
#include "IfxGpt12_Cfg.h"
#include "IfxI2c_Cfg.h"
#include "IfxGeth_Cfg.h"

#include "IfxCpu_cfg.h"
#include "IfxGtm_cfg.h"
#include "IfxEgtm_cfg.h"
#include "IfxQspi_cfg.h"
#include "IfxCan_cfg.h"
#include "IfxAsclin_cfg.h"
#include "IfxSent_cfg.h"
#include "IfxGpt12_cfg.h"
#include "IfxI2c_cfg.h"
#include "IfxGeth_cfg.h"

Build TriCore™ project.