96 lines
3.7 KiB
Plaintext
96 lines
3.7 KiB
Plaintext
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%%{
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let options = args.options;
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let stackSize = 16*1024;
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let heapSize = 32*1024;
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/* if no options given use defaults */
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if(options && options.stackSize)
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stackSize = options.stackSize;
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if(options && options.heapSize)
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heapSize = options.heapSize;
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%%}
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/* make sure below retain is there in your linker command file, it keeps the vector table in the final binary */
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--retain="*(.vectors)"
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/* This is the stack that is used by code running within main()
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* In case of NORTOS,
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* - This means all the code outside of ISR uses this stack
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* In case of FreeRTOS
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* - This means all the code until vTaskStartScheduler() is called in main()
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* uses this stack.
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* - After vTaskStartScheduler() each task created in FreeRTOS has its own stack
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*/
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--stack_size=`stackSize`
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/* This is the heap size for malloc() API in NORTOS and FreeRTOS
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* This is also the heap used by pvPortMalloc in FreeRTOS
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*/
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--heap_size=`heapSize`
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SECTIONS
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{
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/* This has the M4F entry point and vector table, this MUST be at 0x0 */
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.vectors:{} palign(8) > M4F_VECS
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.text: {} palign(8) > M4F_IRAM /* This is where code resides */
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.bss: {} palign(8) > M4F_DRAM /* This is where uninitialized globals go */
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RUN_START(__BSS_START)
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RUN_END(__BSS_END)
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.data: {} palign(8) > M4F_DRAM /* This is where initialized globals and static go */
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.rodata: {} palign(8) > M4F_DRAM /* This is where const's go */
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.sysmem: {} palign(8) > M4F_IRAM /* This is where the malloc heap goes */
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.stack: {} palign(8) > M4F_IRAM /* This is where the main() stack goes */
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% if(args.project.isLinuxInSystem === true) {
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GROUP {
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/* This is the resource table used by linux to know where the IPC "VRINGs" are located */
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.resource_table: {} palign(4096)
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} > DDR_0
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% }
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/* Sections needed for C++ projects */
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.ARM.exidx: {} palign(8) > M4F_IRAM /* Needed for C++ exception handling */
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.init_array: {} palign(8) > M4F_IRAM /* Contains function pointers called before main */
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.fini_array: {} palign(8) > M4F_IRAM /* Contains function pointers called after main */
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/* General purpose user shared memory */
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.bss.user_shared_mem (NOLOAD) : {} > USER_SHM_MEM
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/* this is used when Debug log's to shared memory are enabled, else this is not used */
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.bss.log_shared_mem (NOLOAD) : {} > LOG_SHM_MEM
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/* this is used only when IPC RPMessage is enabled, else this is not used */
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.bss.ipc_vring_mem (NOLOAD) : {} > IPC_VRING_MEM
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}
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MEMORY
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{
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M4F_VECS : ORIGIN = 0x00000000 , LENGTH = 0x00000200
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M4F_IRAM : ORIGIN = 0x00000200 , LENGTH = 0x0002FE00
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M4F_DRAM : ORIGIN = 0x00030000 , LENGTH = 0x00010000
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% if(args.project.isLinuxInSystem === true) {
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/* when using multi-core application's i.e more than one R5F/M4F active, make sure
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* this memory does not overlap with R5F's
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*/
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/* Resource table must be placed at the start of DDR_0 when M4 core is early booting with Linux */
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DDR_0 : ORIGIN = 0xA4100000 , LENGTH = 0x1000
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% }
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% if(args.project.isLinuxInSystem) {
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USER_SHM_MEM : ORIGIN = 0xA5000000, LENGTH = 0x80
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LOG_SHM_MEM : ORIGIN = 0xA5000000 + 0x80, LENGTH = 0x00004000 - 0x80
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IPC_VRING_MEM : ORIGIN = 0xA5004000, LENGTH = 0x0000C000
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% } else {
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/* shared memories that are used by all cores */
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/* On M4F,
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* - By default MSMC RAM is not accessible to M4F, a RAT entry is needed to make it
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* accessible on M4F
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* - So make sure there is a RAT entry which has a 1:1 mapping from 0x70000000 to 0x70200000
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*/
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USER_SHM_MEM : ORIGIN = 0x701D0000, LENGTH = 0x80
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LOG_SHM_MEM : ORIGIN = 0x701D0000 + 0x80, LENGTH = 0x00004000 - 0x80
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IPC_VRING_MEM: ORIGIN = 0x701D4000, LENGTH = 0x0000C000
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% }
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}
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