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/* ===--- Begin imxrt-boot-header-1180.x ---===
* This extra content is injected into the linker script depending on the
* runtime configuration.
*/
__image_size = SIZEOF(.vector_table) + SIZEOF(.text) + SIZEOF(.xip) + SIZEOF(.rodata) + SIZEOF(.data);
EXTERN(FLEXSPI_CONFIGURATION_BLOCK);
/* # Sections */
SECTIONS
{
/* Boot header for serial NOR FlexSPI XIP.
*
* It's 'XIP' in that it starts executing instructions
* from flash immediately out of reset. The runtime then
* manually copies instructions (data, etc.), and we jump
* to that. After that jump, we're no longer XIP.
*
* The i.MX RT boot ROM also supports a way to copy the
* application image by changing the boot data configuration.
* Specifically, point the 'Image offset' to somewhere other
* than the start of flash, and specify how many bytes to copy.
* The boot ROM copies the image, then jumps to the entry point.
* It is currently not tested or used, mainly for consistency
* with the other iMXRT families.
*/
.boot1 ORIGIN(FLASH):
{
FILL(0x00);
/* ------------------
* Memory configuration block
* ------------------
*
* The size and layout is different for different boot devices. Currently,
* only NOR flash is supported.
*/
. += __fcb_offset; /* Can change based on boot source */
KEEP(*(.fcb));
. = ORIGIN(FLASH) + 0x1000;
/* ------------------
* Container 1
* ------------------
*/
__container1_start = .;
LONG(0x87000000 | (__container1_len << 8)); /* Tag, length, version */
LONG(0); /* Flags */
LONG(0x01000000); /* 1 image, fuse version 0, SW version 0 */
LONG(__signature_block_start - __container1_start); /* Signature block offset */
/* Image array, image 0 */
LONG(0xa000); /* Image offset */
LONG(__image_size); /* Image size */
QUAD(LOADADDR(.vector_table)); /* Load address (execute in place) */
QUAD(Reset); /* Entry point */
LONG(0x213); /* Flags: Unencrypted, SHA512 hashed, executable image for Cortex-M33 */
LONG(0); /* Reserved (image meta data) */
} > FLASH
/* Put the hash in a separate section for easier replacement in a post-build step */
.image_hash :
{
QUAD(0); /* Hash 512 bytes */
QUAD(0);
QUAD(0);
QUAD(0);
QUAD(0);
QUAD(0);
QUAD(0);
QUAD(0);
} > FLASH
.boot2 :
{
FILL(0x00);
QUAD(0); /* IV 256 bytes, zero for unencrypted image */
QUAD(0);
QUAD(0);
QUAD(0);
/* ------------------
* Signature block
* ------------------
*/
__signature_block_start = .;
LONG(0x90000000 | (__signature_block_len << 8)); /* Tag, length, version */
LONG(0); /* SRK Table offset, Certificate Offset */
LONG(0); /* Signature offset, Blob offset */
LONG(0); /* Reserved */
__signature_block_end = .;
__signature_block_len = __signature_block_end - __signature_block_start;
__container1_end = .;
__container1_len = __container1_end - __container1_start;
/* DCD is replaced by XMCD. Satisfy assertions intended for other families. */
__dcd_start = .;
__dcd_end = .;
. = ORIGIN(FLASH) + 0x2000; /* Pad to 8k alignment for the container/images boundary */
} > FLASH
}
ASSERT((__dcd_end - __dcd_start) % 4 == 0, "
ERROR(imxrt-rt): .dcd (Device Configuration Data) size must be a multiple of 4 bytes.");
/* ===--- End imxrt-boot-header-1180.x ---=== */
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