RP-01/cva_bootloader_m0146/linker/bootloader_m0146_flash.icf

/*
** ###################################################################
**     Processor:           M0144A
**     Compiler:            IAR ANSI C/C++ Compiler for ARM
**
**     Abstract:
**         Linker file for the IAR ANSI C/C++ Compiler for ARM
**
**     Copyright (c) 2022, Shenzhen CVA Innovation CO.,LTD
**     All rights reserved.
**
**     Shenzhen CVA Innovation CO.,LTD (CVA chip) is supplying this file for use
**     exclusively with CVA's microcontroller products. This file can be freely
**     distributed within development tools that are supporting such microcontroller
**     products.
** 
**     THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
**     OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
**     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
**     CVA SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
**     OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
**
**     http:                 www.cvachip.com
**
** ###################################################################
*/

/* If symbol __flash_vector_table__=1 is defined at link time
 * the interrupt vector will not be copied to RAM.
 * Warning: Using the interrupt vector from FLASH will not allow
 * INT_SYS_InstallHandler because the section is Read Only.
 */
define symbol __ram_vector_table_size__ =  isdefinedsymbol(__flash_vector_table__) ? 0 : 0x00000400;
define symbol __ram_vector_table_offset__ =  isdefinedsymbol(__flash_vector_table__) ? 0 : 0x000003FF;

/* Flash */
define symbol m_interrupts_start       = 0x00000000;
define symbol m_interrupts_end         = 0x000003FF;

define symbol m_bootinformation_start  = 0x00000400;
define symbol m_bootinformation_end    = 0x00000403;

define symbol m_text_start             = 0x00000404;
define symbol m_text_end               = 0x0000FBFF;

/* SRAM_L */
define symbol m_interrupts_ram_start   = 0x1FFF0000;
define symbol m_interrupts_ram_end     = 0x1FFF0000 + __ram_vector_table_offset__;

define symbol m_data_start             = m_interrupts_ram_start + __ram_vector_table_size__;
define symbol m_data_end               = 0x1FFFEFFF;

define symbol m_ram_flash_driver_map_start = 0x1FFFF000;
define symbol m_ram_flash_driver_map_end   = 0x1FFFF00F;

define symbol m_ram_flash_driver_start = 0x1FFFF010;
define symbol m_ram_flash_driver_end   = 0x1FFFFFFF;

/* SRAM_U */

define symbol m_data_2_start           = 0x20000000;
define symbol m_data_2_end             = 0x2000EFEF;

define symbol m_data_2_noinit_start    = 0x2000EFF0;
define symbol m_data_2_noinit_end      = 0x2000EFFF;

/* Sizes */
if (isdefinedsymbol(__stack_size__)) {
  define symbol __size_cstack__        = __stack_size__;
} else {
  define symbol __size_cstack__        = 0x00001000;
}

if (isdefinedsymbol(__heap_size__)) {
  define symbol __size_heap__          = __heap_size__;
} else {
  define symbol __size_heap__          = 0x00000400;
}

define exported symbol __VECTOR_TABLE          = m_interrupts_start;
define exported symbol __VECTOR_RAM            = isdefinedsymbol(__flash_vector_table__) ? m_interrupts_start : m_interrupts_ram_start;
define exported symbol __RAM_VECTOR_TABLE_SIZE = __ram_vector_table_size__;

define exported symbol __RAM_START             = m_interrupts_ram_start;
define exported symbol __RAM_END               = m_data_2_end;

define memory mem with size = 4G;
define region BootInfo_region           = mem:[from m_bootinformation_start to m_bootinformation_end];

define region TEXT_region               = mem:[from m_interrupts_start to m_interrupts_end]
                                        | mem:[from m_text_start to m_text_end];
                                        
define region DATA_region               = mem:[from m_data_start to m_data_end];

define region DATA_flash_driver_map_region  = mem:[from m_ram_flash_driver_map_start to m_ram_flash_driver_map_end];
                                        
define region DATA_flash_driver_region  = mem:[from m_ram_flash_driver_start to m_ram_flash_driver_end];

define region DATA_noinit_region        = mem:[from m_data_2_noinit_start to m_data_2_noinit_end];

define region DATA_region_2             = mem:[from m_data_2_start to m_data_2_end-__size_cstack__];
define region CSTACK_region             = mem:[from m_data_2_end-__size_cstack__+1 to m_data_2_end];
define region m_interrupts_ram_region   = mem:[from m_interrupts_ram_start to m_interrupts_ram_end];


define block CSTACK    with alignment = 8, size = __size_cstack__   { };
define block HEAP      with alignment = 8, size = __size_heap__     { };
define block RW        { readwrite };
define block ZI        { zi };

/* Custom Section Block that can be used to place data at absolute address. */
/* Use __attribute__((section (".customSection"))) to place data here. */
//define block customSectionBlock { section .customSection };
//define block customSectionBlock_Init { section .customSection_init };

define block __CODE_ROM   { section .textrw_init };
define block __CODE_RAM   { section .textrw  };

initialize manually       { section .textrw };
initialize manually       { section .bss};
initialize manually       { section .customSection, section .code_ram};
initialize manually       { section .data, section .code_ram };
initialize manually       { section __DLIB_PERTHREAD };

do not initialize         { section .no_init, section .bss, section .data, section __DLIB_PERTHREAD, section .customSection};

place at address mem: m_interrupts_start    { readonly section .intvec };
place in TEXT_region                        { readonly };
place in TEXT_region                        { block __CODE_ROM };
place in TEXT_region                        { section .customSection_init };
place in DATA_region                        { block RW };
place in DATA_region                        { block __CODE_RAM };
place in DATA_region_2                      { block ZI };
place in DATA_region_2                      { last block HEAP };
place in CSTACK_region                      { block CSTACK };
place in m_interrupts_ram_region            { section m_interrupts_ram };
place in DATA_noinit_region                 { readwrite section .no_init };
place in DATA_flash_driver_map_region       { readwrite section .ram_flash_driver_map};
place in DATA_flash_driver_region           { section .ram_flash_driver};
place in DATA_flash_driver_region           { section .customSection};
place in BootInfo_region                    { readonly section .bootloaderInfo};