1
0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-13 02:58:57 +00:00
trezor-firmware/core/embed/bootloader/memory.ld

72 lines
1.6 KiB
Plaintext

/* Trezor v2 bootloader linker script */
ENTRY(reset_handler)
MEMORY {
FLASH (rx) : ORIGIN = 0x08020000, LENGTH = 128K
CCMRAM (wal) : ORIGIN = 0x10000000, LENGTH = 64K - 0x100
BOOT_ARGS (wal) : ORIGIN = 0x1000FF00, LENGTH = 0x100
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);
/* reserve 256 bytes for bootloader arguments */
boot_args_start = ORIGIN(BOOT_ARGS);
boot_args_end = ORIGIN(BOOT_ARGS) + LENGTH(BOOT_ARGS);
g_boot_args = boot_args_start;
_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
}