Compiler/CC1310: How to linked a section at the end

Here is the output mapping :

0001739c cryptoDriverTable
000173c4 rfPatchTable
000173d4 txPwrTbl
000173e0 __ccfg
00017438 version_header
00017470 __TI_static_base__
00017838 __TI_Handler_Table_Base
00017844 __TI_Handler_Table_Limit
00017878 __TI_CINIT_Base
000178d8 __TI_CINIT_Limit
0001e000 NV_FLASH
1001a001 ti_sysbios_knl_Semaphore_pend__E

Actually, i would like my version header put at the end, that is to say after 0x000178d8. is it possible.

Regards,

Aurélien

And here is the linker file :

SECTIONS
{
.intvecs : > FLASH
.text : > FLASH
config_const { mac_user_config.obj(.const) } > FLASH

.const : > FLASH
.constdata : > FLASH
.rodata : > FLASH
.cinit : > FLASH
.pinit : > FLASH
.init_array : > FLASH
.emb_text : > FLASH
.ccfg : > FLASH
.vheader : > FLASH

GROUP > SRAM
{
.data
.bss
.vtable
.vtable_ram
vtable_ram
.sysmem
.nonretenvar
} LOAD_END(heapStart)

.stack : > SRAM (HIGH) LOAD_START(heapEnd)

.shared_ram : > SHARED_RAM

#if defined(USE_CACHE_RAM)
.cache_ram : > CACHE_RAM
#endif
}

But, when i'm using this linker file, the ICall_Init is not starting anymore ...

Which section do you want to be last?  Use the HIGH location specifier, as you already do with .stack,

user5061660 said:

.stack : > SRAM (HIGH) LOAD_START(heapEnd)

to make that section the last one in that memory range.

Thanks and regards,

-George

Hello,

When i'm using this :

#define FLASH_BASE 0x00001000
#define FLASH_BASE_SIZE 0x1D000
[...]
FLASH (RX) : origin = FLASH_BASE, length = FLASH_BASE_SIZE
[...]
.vheader : > FLASH (HIGH)

And this in my code :

const volatile sVERSION_HEADER version_header __attribute__((section(".vheader"))) = {

I am always having an assert in Icall_init ... Is there an explanation ?

Regards,

Aurélien

user5061660 said:

I am always having an assert in Icall_init ... Is there an explanation ?

I'm not sure what you mean by an assert.  What do you see that makes you think something is wrong?  How do you see it?

Thanks and regards,

-George

Hi,

Thank you very much. Indeed i used the GROUP method and it works perfectly. Regarding the assert, it was due to my code :)

Best regards,

Aurélien

Hello,

I have done as you recommanded and indeed vheader goes to the end but i'm having this kind of warnings as you've already said :

output section ".data:ti_sysbios_BIOS_Module__state__V" refers to load symbol "ti_sysbios_BIOS_startFunc__I" and hence cannot be compressed; compression "lzss" is ignored

output section ".data" refers to load symbol "ICall_enterCSImpl" and hence cannot be compressed; compression "lzss" is ignored

I think i'm not losing so much flash because the two sections that are not compressed are not so big but if you know how to avoid these warnings feel free to share :)

Regards,

Aurélien

user5061660 said:

if you know how to avoid these warnings feel free to share :)

Do not put the sections .cinit and .data in the same GROUP.  The same is true of any other section referred to by .cinit.

The full explanation of this situation is long and detailed.  Please see this thread for a start.

Thanks and regards,

-George

Hi,

Indeed, when I put .cinit in a different group, the warning disappears but ".cinit" goes to the end of the flash, just above my vheader section, and i don't want this :(

I will take a look at the thread you shared.

Thank you very much ;)

Regards,

Aurélien