pikapython/bsp/pico/project/mdk/RP2040.sct

#! armclang -E --target=arm-arm-none-eabi -mcpu=cortex-m0 -xc
; command above MUST be in first line (no comment above!)
; *************************************************************
; *** Scatter-Loading Description File generated by uVision ***
; *************************************************************

#define FLASH_SIZE          0x00200000  
#define SRAM_SIZE           (1024*248)

#define STACK_0_SIZE        (1024*4)
#define STACK_1_SIZE        (1024*1)

#define HEAP_0_SIZE         (1024*32)
#define HEAP_1_SIZE         (1024*1)

#define RAMSIZE_VALID       (SRAM_SIZE -                                        \
                            STACK_1_SIZE - HEAP_1_SIZE -                        \
                            STACK_0_SIZE - HEAP_0_SIZE - 0x100)

LR_STAGE2_BOOT 0x10000000 0x100 {
    ER_STAGE2_BOOT +0 0x100 {
        compile_time_choice.o (+RO)
    }
    ER_FILL ImageLimit(ER_STAGE2_BOOT) FILL 0xDEADBEEF 0x100 - ImageLength(ER_STAGE2_BOOT) {
    }
}

LR_IROM1 0x10000100 FLASH_SIZE - ImageLength(LR_STAGE2_BOOT)  {    ; load region size_region

    ER_FLASH +0 0x00200000  {  ; load address = execution address
        *.o (RESET, +First)
        *(InRoot$$Sections)
        * (+RO-DATA)
        
        startup_RP2040.o (+RO)
        * (+RO-CODE)
        * (+XO)
    }
    
    ER_RAM_VECTOR_TABLE 0x20000000 {
        *  (.ram_vector_table)
    }
    
    ARM_LIB_STACK +0 ALIGN 8  EMPTY STACK_0_SIZE {
    }
    
    ARM_LIB_STACK_ONE +0 ALIGN 8  EMPTY STACK_1_SIZE {
    }
    ARM_LIB_HEAP +0 ALIGN 8 EMPTY HEAP_0_SIZE  {
    }
    ARM_LIB_HEAP_ONE +0 ALIGN 8 EMPTY HEAP_1_SIZE  {
    }
    
    ER_MUTEX_ARRAY +0 {
        * (.mutex_array.*)
        * (.mutex_array)
    }
    
    ;ER_PREINIT_ARRAY +0 {
    ;    * (.preinit_array.*)
    ;    * (.preinit_array)
    ;}

    RW_IRAM +0 RAMSIZE_VALID {  ; RW data
        .ANY (+RW +ZI)
    }
    
    RW_IRAM_NOINIT +0 UNINIT {  ; RW data
        .ANY (.bss.noinit)
    }

}