%%{ let options = args.options; let stackSize = 16*1024; let heapSize = 32*1024; /* with nested interrupts logic added, IRQ stack is only used minimally, instead * SVC stack is used, hence IRQ stack size is less as compared to SVC stack */ let irqStackSize = 256; let svcStackSize = 4*1024; let fiqStackSize = 256; let abortStackSize = 256; let undefinedStackSize = 256; let codeDataAddr = 0; let codeDataSize = 0; let codeDataAddrFlash = 0; let codeDataSizeFlash = 0; let useFlash = false; let addrBase = 0; let addrBaseFlash = 0; let isSingleCore = false; /* Temp change till we support DDR - alloc all memory to single core * as we don't plan to run code coverage for system project */ if(args.isInstrumentation) { isSingleCore = true; } let isIcssPktBufEnable = false; if(options && options.isXip) { useFlash = true; } /* if no options given use defaults */ if(options && options.stackSize) stackSize = options.stackSize; if(options && options.heapSize) heapSize = options.heapSize; if(options && options.irqStackSize) irqStackSize = options.irqStackSize; if(options && options.fiqStackSize) fiqStackSize = options.fiqStackSize; if(options && options.svcStackSize) svcStackSize = options.svcStackSize; if(options && options.abortStackSize) abortStackSize = options.abortStackSize; if(options && options.undefinedStackSize) undefinedStackSize = options.undefinedStackSize; if(options && options.isSingleCore) isSingleCore = options.isSingleCore; if(options && options.isIcssPktBufEnable) isIcssPktBufEnable = options.isIcssPktBufEnable; if(isSingleCore === true) { codeDataSize = 0x40000 * 4; codeDataSizeFlash = 0x80000; } else { codeDataSize = 0x40000; codeDataSizeFlash = 0x80000; } /* MSS mailbox memory */ let ipcShmAddrBase = 0x72000000; /* offset from top of codeDataAddrDdr where the code/data is actually placed, the first codeDataOffsetDdr bytes are used for IPC in linux */ addrBase = 0x70040000; addrBaseFlash = 0x60100000; if(isSingleCore === true) { codeDataAddr = addrBase; codeDataAddrFlash = addrBaseFlash; } else { if(args.project.cpu == "r5fss0-0") { codeDataAddr = addrBase + codeDataSize*0; codeDataAddrFlash = addrBaseFlash + codeDataSizeFlash*0; } if(args.project.cpu == "r5fss0-1") { codeDataAddr = addrBase + codeDataSize*1; codeDataAddrFlash = addrBaseFlash + codeDataSizeFlash*1; } if(args.project.cpu == "r5fss1-0") { codeDataAddr = addrBase + codeDataSize*2; codeDataAddrFlash = addrBaseFlash + codeDataSizeFlash*2; } if(args.project.cpu == "r5fss1-1") { codeDataAddr = addrBase + codeDataSize*3; codeDataAddrFlash = addrBaseFlash + codeDataSizeFlash*3; } } if(options && options.codeDataAddr) codeDataAddr = options.codeDataAddr; if(options && options.codeDataSize) codeDataSize = options.codeDataSize; if(options && options.codeDataAddrFlash) codeDataAddrFlash = options.codeDataAddrFlash; if(options && options.codeDataSizeFlash) codeDataSizeFlash = options.codeDataSizeFlash; %%} /* This is the stack that is used by code running within main() * In case of NORTOS, * - This means all the code outside of ISR uses this stack * In case of FreeRTOS * - This means all the code until vTaskStartScheduler() is called in main() * uses this stack. * - After vTaskStartScheduler() each task created in FreeRTOS has its own stack */ --stack_size=`stackSize` /* This is the heap size for malloc() API in NORTOS and FreeRTOS * This is also the heap used by pvPortMalloc in FreeRTOS */ --heap_size=`heapSize` -e_vectors /* This is the entry of the application, _vector MUST be plabed starting address 0x0 */ /* This is the size of stack when R5 is in IRQ mode * In NORTOS, * - Here interrupt nesting is enabled * - This is the stack used by ISRs registered as type IRQ * In FreeRTOS, * - Here interrupt nesting is enabled * - This is stack that is used initally when a IRQ is received * - But then the mode is switched to SVC mode and SVC stack is used for all user ISR callbacks * - Hence in FreeRTOS, IRQ stack size is less and SVC stack size is more */ __IRQ_STACK_SIZE = `irqStackSize`; /* This is the size of stack when R5 is in IRQ mode * - In both NORTOS and FreeRTOS nesting is disabled for FIQ */ __FIQ_STACK_SIZE = `fiqStackSize`; __SVC_STACK_SIZE = `svcStackSize`; /* This is the size of stack when R5 is in SVC mode */ __ABORT_STACK_SIZE = `abortStackSize`; /* This is the size of stack when R5 is in ABORT mode */ __UNDEFINED_STACK_SIZE = `undefinedStackSize`; /* This is the size of stack when R5 is in UNDEF mode */ SECTIONS { /* This has the R5F entry point and vector table, this MUST be at 0x0 */ .vectors:{} palign(8) > R5F_VECS /* This has the R5F boot code until MPU is enabled, this MUST be at a address < 0x80000000 * i.e this cannot be placed in DDR */ GROUP { .text.hwi: palign(8) .text.cache: palign(8) .text.mpu: palign(8) .text.boot: palign(8) .text:abort: palign(8) /* this helps in loading symbols when using XIP mode */ } > OCRAM /* This is rest of code. This can be placed in DDR if DDR is available and needed */ GROUP { .text: {} palign(8) /* This is where code resides */ .rodata: {} palign(8) /* This is where const's go */ % if(useFlash) { } > FLASH % } else { } > OCRAM % } /* This is rest of initialized data. This can be placed in DDR if DDR is available and needed */ GROUP { .data: {} palign(8) /* This is where initialized globals and static go */ } > OCRAM /* This is rest of uninitialized data. This can be placed in DDR if DDR is available and needed */ GROUP { .bss: {} palign(8) /* This is where uninitialized globals go */ RUN_START(__BSS_START) RUN_END(__BSS_END) .sysmem: {} palign(8) /* This is where the malloc heap goes */ .stack: {} palign(8) /* This is where the main() stack goes */ } > OCRAM % if(args.isInstrumentation) { GROUP { __llvm_prf_cnts: {} align(8) RUN_START(__start___llvm_prf_cnts) RUN_END(__stop___llvm_prf_cnts) } > OCRAM % } /* This is where the stacks for different R5F modes go */ GROUP { .irqstack: {. = . + __IRQ_STACK_SIZE;} align(8) RUN_START(__IRQ_STACK_START) RUN_END(__IRQ_STACK_END) .fiqstack: {. = . + __FIQ_STACK_SIZE;} align(8) RUN_START(__FIQ_STACK_START) RUN_END(__FIQ_STACK_END) .svcstack: {. = . + __SVC_STACK_SIZE;} align(8) RUN_START(__SVC_STACK_START) RUN_END(__SVC_STACK_END) .abortstack: {. = . + __ABORT_STACK_SIZE;} align(8) RUN_START(__ABORT_STACK_START) RUN_END(__ABORT_STACK_END) .undefinedstack: {. = . + __UNDEFINED_STACK_SIZE;} align(8) RUN_START(__UNDEFINED_STACK_START) RUN_END(__UNDEFINED_STACK_END) } > OCRAM /* Sections needed for C++ projects */ GROUP { .ARM.exidx: {} palign(8) /* Needed for C++ exception handling */ .init_array: {} palign(8) /* Contains function pointers called before main */ .fini_array: {} palign(8) /* Contains function pointers called after main */ % if(useFlash) { } > FLASH % } else { } > OCRAM % } % if (isIcssPktBufEnable) { /* Packet buffer memory used by ICCS */ .bss.icss_emac_pktbuf_mem (NOLOAD): {} > ICSS_PKT_BUF_MEM % } /* General purpose user shared memory, used in some examples */ .bss.user_shared_mem (NOLOAD) : {} > USER_SHM_MEM /* this is used when Debug log's to shared memory are enabled, else this is not used */ .bss.log_shared_mem (NOLOAD) : {} > LOG_SHM_MEM /* this is used only when IPC RPMessage is enabled, else this is not used */ .bss.ipc_vring_mem (NOLOAD) : {} > RTOS_NORTOS_IPC_SHM_MEM /* this is used only when Secure IPC is enabled */ .bss.sipc_hsm_queue_mem (NOLOAD) : {} > MAILBOX_HSM .bss.sipc_r5f_queue_mem (NOLOAD) : {} > MAILBOX_R5F } MEMORY { R5F_VECS : ORIGIN = 0x00000000 , LENGTH = 0x00000040 R5F_TCMA : ORIGIN = 0x00000040 , LENGTH = 0x00007FC0 R5F_TCMB : ORIGIN = 0x00080000 , LENGTH = 0x00008000 /* when using multi-core application's i.e more than one R5F/M4F active, make sure * this memory does not overlap with other R5F's */ OCRAM : ORIGIN = 0x`codeDataAddr.toString(16).toUpperCase()` , LENGTH = 0x`codeDataSize.toString(16).toUpperCase()` /* This section can be used to put XIP section of the application in flash, make sure this does not overlap with * other CPUs. Also make sure to add a MPU entry for this section and mark it as cached and code executable */ FLASH : ORIGIN = 0x`codeDataAddrFlash.toString(16).toUpperCase()` , LENGTH = 0x`codeDataSizeFlash.toString(16).toUpperCase()` % if (isIcssPktBufEnable) { /* shared memories that is used between ICCS and this core. MARK as non-cache or cache+sharable */ ICSS_PKT_BUF_MEM : ORIGIN = 0x70000000, LENGTH = 0x00010000 % } /* shared memories that are used by RTOS/NORTOS cores */ /* On R5F, * - make sure there is a MPU entry which maps below regions as non-cache */ USER_SHM_MEM : ORIGIN = 0x701D0000, LENGTH = 0x00004000 LOG_SHM_MEM : ORIGIN = 0x701D4000, LENGTH = 0x00004000 /* MSS mailbox memory is used as shared memory, we dont use bottom 32*12 bytes, since its used as SW queue by ipc_notify */ RTOS_NORTOS_IPC_SHM_MEM : ORIGIN = 0x`ipcShmAddrBase.toString(16).toUpperCase()`, LENGTH = 0x3E80 MAILBOX_HSM: ORIGIN = 0x44000000 , LENGTH = 0x000003CE MAILBOX_R5F: ORIGIN = 0x44000400 , LENGTH = 0x000003CE }