Compiler/TMS320F280049: Allocate large CLA codes into different LS memory blocks

Tool/software: TI C/C++ Compiler

Dear Champs,

I am asking this for our customer.

The user has many CLA tasks and codes and found LS0 is not enough, but has trouble allocating the large CLA task codes into different LS memories.

Now, the user adds LS7 like below:

in the .cmd

MEMORY
{
PAGE 0 :
.....

RAMLS0 : origin = 0x008000, length = 0x000800

......
RAMLS7 : origin = 0x00B800, length = 0x000800

/* CLA specific sections */
Cla1Prog : LOAD = FLASH_BANK0_SEC4,
RUN = RAMLS0|RAMLS7,
LOAD_START(_Cla1ProgLoadStart),
RUN_START(_Cla1ProgRunStart),
LOAD_SIZE(_Cla1ProgLoadSize),
PAGE = 0, ALIGN(4)

in the .c initialization,

MemCfg_setCLAMemType(MEMCFG_SECT_LS0, MEMCFG_CLA_MEM_PROGRAM);
MemCfg_setCLAMemType(MEMCFG_SECT_LS7, MEMCFG_CLA_MEM_PROGRAM);
MemCfg_setCLAMemType(MEMCFG_SECT_LS1, MEMCFG_CLA_MEM_DATA);
MemCfg_setLSRAMMasterSel(MEMCFG_SECT_LS0, MEMCFG_LSRAMMASTER_CPU_CLA1);
MemCfg_setLSRAMMasterSel(MEMCFG_SECT_LS1, MEMCFG_LSRAMMASTER_CPU_CLA1);
MemCfg_setLSRAMMasterSel(MEMCFG_SECT_LS7, MEMCFG_LSRAMMASTER_CPU_CLA1);

However, the user got errors including:

#10099-D Program will not fit into available memory. Run placement with alignment/blocking fails for section Cla1Prog...

Q1: Is there anything wrong with the above memory allocation?

Q2: Can the compiler allocate large CLA codes (including several tasks) into different LS memories automatically?

Q3: How can we allocate different tasks into different LS memory, respectively? For example, allocate task 1 to LS0, task 2 to LS7?

Q4: If we combine LS0+LS1, does it work? Is there any considerations for combining these local share memories into one memory and then use it?

That is,

MEMORY
{
PAGE 0 :
RAMLS0 : origin = 0x008000, length = 0x001000   // LS0+LS1 by length=0x001000

...............

Cla1Prog : LOAD = FLASH_BANK0_SEC4,
RUN = RAMLS0,
LOAD_START(_Cla1ProgLoadStart),
RUN_START(_Cla1ProgRunStart),
LOAD_SIZE(_Cla1ProgLoadSize),
PAGE = 0, ALIGN(4)

in the .c initialization,

MemCfg_setCLAMemType(MEMCFG_SECT_LS0, MEMCFG_CLA_MEM_PROGRAM);
..............
MemCfg_setLSRAMMasterSel(MEMCFG_SECT_LS0, MEMCFG_LSRAMMASTER_CPU_CLA1);
..............

Wayne Huang