define memory with size = 4G;

define region ITCM_RAM    = [from 0x00000000 size 0x00004000];
define region ITCM_ROM    = [from 0x00200000 size 0x00200000];
define region ROM         = [from 0x08000000 size 0x00200000];
define region DTCM_RAM    = [from 0x20000000 size 0x00020000];
define region RAM_LO      = [from 0x20020000 size 0x0005C000];
define region RAM_HI      = [from 0x2007C000 size 0x00004000];
define region RAM_FULL    = RAM_LO + RAM_HI;

// Block definitions
define block vectors                        { section .vectors };                         // Vector table section
define block vectors_ram                    { section .vectors_ram };                     // Vector table section
define block ctors                          { section .ctors,     section .ctors.*, block with         alphabetical order { init_array } };
define block dtors                          { section .dtors,     section .dtors.*, block with reverse alphabetical order { fini_array } };
define block exidx                          { section .ARM.exidx, section .ARM.exidx.* };
define block tbss                           { section .tbss,      section .tbss.*  };
define block tdata                          { section .tdata,     section .tdata.* };
define block tls                            { block tbss, block tdata };
define block tdata_load                     { copy of block tdata };
define block heap  with size = __HEAPSIZE__,  alignment = 8, readwrite access { };
define block stack with size = __STACKSIZE__, alignment = 8, readwrite access { };

// ITCM FLASH Placement
place at start of ITCM_ROM                  { block vectors };                         // Vector table section
place in ITCM_ROM with minimum size order   { section .init,   section .init.*,        // Init code section
                                              section .init_rodata, section .init_rodata.*, // Init read-only section
                                              section .text,   section .text.*,        // Code section
                                              section .rodata, section .rodata.*,      // Read-only data section
                                              section .segger.*,                       // Auto-generated initialization
                                              block exidx,                             // ARM exception unwinding block
                                              block ctors,                             // Constructors block
                                              block dtors };                           // Destructors block
place in ITCM_ROM                           { block tdata_load };                      // Thread-local-storage load image

// TCM
place in ITCM_RAM                           { section .fast_func, section .fast_func.* };
initialize by copy                          { section .fast_func, section .fast_func.* };

place in DTCM_RAM                           { section .fast_data, section .fast_data.* };
initialize by copy                          { section .fast_data, section .fast_data.* };

// RAM Placement
place at start of RAM_FULL                  { block vectors_ram };
place in RAM_FULL                           { section .non_init, section .non_init.*,  // No initialization section
                                              block tls };                             // Thread-local-storage block
do not initialize                           { section .non_init, section .non_init.*, section .*.non_init, section .*.non_init.* };

place in RAM_FULL with auto order           { section .data, section .data.*,          // Initialized data section
                                              section .bss, section .bss.*
                                            };          // Static data section
initialize by copy                          { section .data, section .data.*, section .*.data, section .*.data.* };

place in RAM_FULL                           { block heap };           // Heap reserved block
place at end of RAM_FULL                    { block stack };          // Stack reserved block at the end