1
0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-29 01:28:10 +00:00
trezor-firmware/core/embed/bootloader/memory.ld
Ondrej Mikle b69ef9d168 feat(core): Copy firmware image header to bootloader RAM to be able to skip directly to firmware install, jumping from firmware to bootloader
Change linking of util.s and limited version of util.s to avoid mistakes
with boardloader etc.
2023-09-11 14:36:11 +02:00

69 lines
1.5 KiB
Plaintext

/* Trezor v2 bootloader linker script */
ENTRY(reset_handler)
MEMORY {
FLASH (rx) : ORIGIN = 0x08020000, LENGTH = 128K
CCMRAM (wal) : ORIGIN = 0x10000000, LENGTH = 64K
SRAM (wal) : ORIGIN = 0x20000000, LENGTH = 192K
}
main_stack_base = ORIGIN(CCMRAM) + SIZEOF(.stack) ; /* 8-byte aligned full descending stack */
/* used by the startup code to populate variables used by the C code */
data_lma = LOADADDR(.data);
data_vma = ADDR(.data);
data_size = SIZEOF(.data);
/* used by the startup code to wipe memory */
ccmram_start = ORIGIN(CCMRAM);
ccmram_end = ORIGIN(CCMRAM) + LENGTH(CCMRAM);
/* used by the startup code to wipe memory */
sram_start = ORIGIN(SRAM);
sram_end = ORIGIN(SRAM) + LENGTH(SRAM);
/* IMAGE_HEADER_SIZE is 0x400, this is for interaction-less firmware update start */
firmware_header_start = ccmram_end - 0x400;
_codelen = SIZEOF(.flash) + SIZEOF(.data);
SECTIONS {
.header : ALIGN(4) {
KEEP(*(.header));
} >FLASH AT>FLASH
.flash : ALIGN(512) {
KEEP(*(.vector_table));
. = ALIGN(4);
*(.text*);
. = ALIGN(4);
*(.rodata*);
. = ALIGN(512);
} >FLASH AT>FLASH
.stack : ALIGN(8) {
. = 16K; /* Exactly 16K allocated for stack. Overflow causes MemManage fault (when using MPU). */
} >CCMRAM
.data : ALIGN(4) {
*(.data*);
. = ALIGN(512);
} >CCMRAM AT>FLASH
/DISCARD/ : {
*(.ARM.exidx*);
}
.bss : ALIGN(4) {
*(.bss*);
. = ALIGN(4);
} >CCMRAM
.buf : ALIGN(4) {
*(.buf*);
. = ALIGN(4);
} >SRAM
}