165 lines
4.5 KiB
Plaintext
165 lines
4.5 KiB
Plaintext
MEMORY {
|
|
ROM (rx) : ORIGIN = 0x00000000, LENGTH = 0x00020000 /* 128kB ROM */
|
|
FLASH (rx) : ORIGIN = 0x10000000, LENGTH = 0x00340000
|
|
SRAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00100000
|
|
|
|
/*
|
|
* Note that CS0/CS1 address mappings may be reversed using MXC_HPC->mbr0 and ->mbr1
|
|
* The following mappings are selected for simplicity
|
|
*/
|
|
HPB_CS0 (rwx) : ORIGIN = 0x60000000, LENGTH = 0x10000000 /* External Hyperbus/Xccelabus chip select 0 */
|
|
HPB_CS1 (rwx) : ORIGIN = 0x70000000, LENGTH = 0x10000000 /* External Hyperbus/Xccelabus chip select 1 */
|
|
}
|
|
|
|
SECTIONS {
|
|
.rom :
|
|
{
|
|
KEEP(*(.rom_vector))
|
|
*(.rom_handlers*)
|
|
} > ROM
|
|
|
|
.text :
|
|
{
|
|
_text = .;
|
|
KEEP(*(.isr_vector))
|
|
EXCLUDE_FILE (*riscv.o) *(.text*) /* program code, exclude RISCV code */
|
|
*(.rodata*) /* read-only data: "const" */
|
|
|
|
KEEP(*(.init))
|
|
KEEP(*(.fini))
|
|
|
|
/* .ctors */
|
|
*crtbegin.o(.ctors)
|
|
*crtbegin?.o(.ctors)
|
|
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
|
|
*(SORT(.ctors.*))
|
|
*(.ctors)
|
|
|
|
/* .dtors */
|
|
*crtbegin.o(.dtors)
|
|
*crtbegin?.o(.dtors)
|
|
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
|
|
*(SORT(.dtors.*))
|
|
*(.dtors)
|
|
|
|
/* C++ Exception handling */
|
|
KEEP(*(.eh_frame*))
|
|
_etext = .;
|
|
} > FLASH
|
|
|
|
.ARM.extab :
|
|
{
|
|
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
|
} > FLASH
|
|
|
|
/* These sections allow code to be compiled/linked for HPB addresses, but reside in
|
|
* flash until copied by code to the external HPB flash device
|
|
*/
|
|
.hpb_cs0_section :
|
|
{
|
|
__hpb_cs0_start = ABSOLUTE(.);
|
|
KEEP(*(.hpb_cs0_section*))
|
|
} > HPB_CS0 AT>FLASH
|
|
|
|
__load_start_hpb_cs0 = LOADADDR(.hpb_cs0_section);
|
|
__load_length_hpb_cs0 = SIZEOF(.hpb_cs0_section);
|
|
|
|
.hpb_cs1_section :
|
|
{
|
|
__hpb_cs1_start = ABSOLUTE(.);
|
|
KEEP(*(.hpb_cs1_section*))
|
|
} > HPB_CS1 AT>FLASH
|
|
|
|
__load_start_hpb_cs1 = LOADADDR(.hpb_cs1_section);
|
|
__load_length_hpb_cs1 = SIZEOF(.hpb_cs1_section);
|
|
|
|
/* Binary import */
|
|
.bin_storage :
|
|
{
|
|
FILL(0xFF)
|
|
_bin_start_ = .;
|
|
KEEP(*(.bin_storage_img))
|
|
_bin_end_ = .;
|
|
. = ALIGN(4);
|
|
} > FLASH
|
|
|
|
/* it's used for C++ exception handling */
|
|
/* we need to keep this to avoid overlapping */
|
|
.ARM.exidx :
|
|
{
|
|
__exidx_start = .;
|
|
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
|
__exidx_end = .;
|
|
} > FLASH
|
|
|
|
.data :
|
|
{
|
|
_data = ALIGN(., 4);
|
|
*(vtable)
|
|
*(.data*) /*read-write initialized data: initialized global variable*/
|
|
|
|
/* These array sections are used by __libc_init_array to call static C++ constructors */
|
|
. = ALIGN(4);
|
|
/* preinit data */
|
|
PROVIDE_HIDDEN (__preinit_array_start = .);
|
|
KEEP(*(.preinit_array))
|
|
PROVIDE_HIDDEN (__preinit_array_end = .);
|
|
|
|
. = ALIGN(4);
|
|
/* init data */
|
|
PROVIDE_HIDDEN (__init_array_start = .);
|
|
KEEP(*(SORT(.init_array.*)))
|
|
KEEP(*(.init_array))
|
|
PROVIDE_HIDDEN (__init_array_end = .);
|
|
|
|
. = ALIGN(4);
|
|
/* finit data */
|
|
PROVIDE_HIDDEN (__fini_array_start = .);
|
|
KEEP(*(SORT(.fini_array.*)))
|
|
KEEP(*(.fini_array))
|
|
PROVIDE_HIDDEN (__fini_array_end = .);
|
|
|
|
/* Run the flash programming functions from SRAM */
|
|
*(.flashprog)
|
|
|
|
_edata = ALIGN(., 4);
|
|
} > SRAM AT>FLASH
|
|
__load_data = LOADADDR(.data);
|
|
|
|
.bss :
|
|
{
|
|
. = ALIGN(4);
|
|
_bss = .;
|
|
*(.bss*) /*read-write zero initialized data: uninitialized global variable*/
|
|
*(COMMON)
|
|
_ebss = ALIGN(., 4);
|
|
} > SRAM
|
|
|
|
/* Set stack top to end of RAM, and stack limit move down by
|
|
* size of stack_dummy section */
|
|
__StackTop = ORIGIN(SRAM) + LENGTH(SRAM);
|
|
__StackLimit = __StackTop - SIZEOF(.stack_dummy);
|
|
|
|
/* .stack_dummy section doesn't contains any symbols. It is only
|
|
* used for linker to calculate size of stack sections, and assign
|
|
* values to stack symbols later */
|
|
.stack_dummy (COPY):
|
|
{
|
|
*(.stack*)
|
|
} > SRAM
|
|
|
|
.heap (COPY):
|
|
{
|
|
. = ALIGN(4);
|
|
PROVIDE ( end = . );
|
|
PROVIDE ( _end = . );
|
|
*(.heap*)
|
|
__HeapLimit = ABSOLUTE(__StackLimit);
|
|
} > SRAM
|
|
|
|
PROVIDE(__stack = __StackTop);
|
|
|
|
/* Check if data + heap + stack exceeds RAM limit */
|
|
ASSERT(__StackLimit >= _ebss, "region RAM overflowed with stack")
|
|
}
|