trezor-firmware/core/embed/firmware/header.S

    .syntax unified

#include "version.h"

    .section .header, "a"

    .type g_header, %object
    .size g_header, .-g_header

// Firmware header for both Trezor One and Trezor T.
// Trezor One must have bootloader version >= 1.8.0 (before that version the hdrlen used to be reset vector)

g_header:
    .byte 'T','R','Z','F'            // magic
    .word g_header_end - g_header    // hdrlen
#ifdef TREZOR_MODEL_T
    .word 0                          // expiry
#else
    .word 1                          // expiry
#endif
    .word _codelen                   // codelen
    .byte VERSION_MAJOR              // vmajor
    .byte VERSION_MINOR              // vminor
    .byte VERSION_PATCH              // vpatch
    .byte VERSION_BUILD              // vbuild
    .byte FIX_VERSION_MAJOR          // fix_vmajor
    .byte FIX_VERSION_MINOR          // fix_vminor
    .byte FIX_VERSION_PATCH          // fix_vpatch
    .byte FIX_VERSION_BUILD          // fix_vbuild
    .word HW_MODEL                   // type of the designated hardware
    .byte HW_REVISION                // revision of the designated hardware
    .byte FIRMWARE_MONOTONIC_VERSION // monotonic version of the binary
    . = . + 2                        // reserved
    . = . + 512                      // hash1 ... hash16

#if !defined TREZOR_MODEL_1
// trezor-core header style
    . = . + 415                      // reserved
    .byte 0                          // sigmask
    . = . + 64                       // sig
#else
// model 1 compatibility header
    . = . + 64                       // sig1
    . = . + 64                       // sig2
    . = . + 64                       // sig3
    .byte 0                          // sigindex1
    .byte 0                          // sigindex2
    .byte 0                          // sigindex3
    . = . + 220                      // reserved
    . = . + 65                       // reserved
#endif

g_header_end:
fix whitespace 2017-10-11 21:37:28 +00:00			`.syntax unified`

Put loader/firmware header into image (#5) 2017-03-31 22:22:24 +00:00			`#include "version.h"`

fix whitespace 2017-10-11 21:37:28 +00:00			`.section .header, "a"`
Put loader/firmware header into image (#5) 2017-03-31 22:22:24 +00:00
build: refactor binctl and firmware/loader image stuff 2017-04-01 00:32:05 +00:00			`.type g_header, %object`
			`.size g_header, .-g_header`
Put loader/firmware header into image (#5) 2017-03-31 22:22:24 +00:00
core: better formatting for common parts of T1 and TT header 2020-05-14 14:10:42 +00:00			`// Firmware header for both Trezor One and Trezor T.`
			`// Trezor One must have bootloader version >= 1.8.0 (before that version the hdrlen used to be reset vector)`
core: firmware header for T1 port 2020-05-11 13:43:43 +00:00
Put loader/firmware header into image (#5) 2017-03-31 22:22:24 +00:00			`g_header:`
build: refactor binctl and firmware/loader image stuff 2017-04-01 00:32:05 +00:00			`.byte 'T','R','Z','F' // magic`
			`.word g_header_end - g_header // hdrlen`
feat(core): prevent installing and running of incompatible firmware, prevent bootloader downgrade 2022-11-21 13:12:49 +00:00			`#ifdef TREZOR_MODEL_T`
build: refactor binctl and firmware/loader image stuff 2017-04-01 00:32:05 +00:00			`.word 0 // expiry`
feat(core): prevent installing and running of incompatible firmware, prevent bootloader downgrade 2022-11-21 13:12:49 +00:00			`#else`
			`.word 1 // expiry`
			`#endif`
build: refactor binctl and firmware/loader image stuff 2017-04-01 00:32:05 +00:00			`.word _codelen // codelen`
			`.byte VERSION_MAJOR // vmajor`
			`.byte VERSION_MINOR // vminor`
			`.byte VERSION_PATCH // vpatch`
			`.byte VERSION_BUILD // vbuild`
trezorhal: introduce fix_version in image header (version of last critical bugfix) 2017-12-14 20:29:13 +00:00			`.byte FIX_VERSION_MAJOR // fix_vmajor`
			`.byte FIX_VERSION_MINOR // fix_vminor`
			`.byte FIX_VERSION_PATCH // fix_vpatch`
			`.byte FIX_VERSION_BUILD // fix_vbuild`
feat(core): prevent installing and running of incompatible firmware, prevent bootloader downgrade 2022-11-21 13:12:49 +00:00			`.word HW_MODEL // type of the designated hardware`
			`.byte HW_REVISION // revision of the designated hardware`
refactor(core): extract monotonic version to model specific headers [no changelog] 2024-08-27 10:59:31 +00:00			`.byte FIRMWARE_MONOTONIC_VERSION // monotonic version of the binary`
feat(core): prevent installing and running of incompatible firmware, prevent bootloader downgrade 2022-11-21 13:12:49 +00:00			`. = . + 2 // reserved`
bootloader, firmware: introduce chunk hashes in the image header 2017-10-26 01:08:18 +00:00			`. = . + 512 // hash1 ... hash16`
core: better formatting for common parts of T1 and TT header 2020-05-14 14:10:42 +00:00
feat(core): allow for model R in firmware build As model R will run on the same computational hardware as model T, memory_R.ld is just a symbolic link to memory_T.ld. [no changelog] 2022-05-01 11:57:18 +00:00			`#if !defined TREZOR_MODEL_1`
			`// trezor-core header style`
bootloader, firmware: introduce chunk hashes in the image header 2017-10-26 01:08:18 +00:00			`. = . + 415 // reserved`
build: refactor binctl and firmware/loader image stuff 2017-04-01 00:32:05 +00:00			`.byte 0 // sigmask`
			`. = . + 64 // sig`
feat(core): allow for model R in firmware build As model R will run on the same computational hardware as model T, memory_R.ld is just a symbolic link to memory_T.ld. [no changelog] 2022-05-01 11:57:18 +00:00			`#else`
			`// model 1 compatibility header`
core: firmware header for T1 port 2020-05-11 13:43:43 +00:00			`. = . + 64 // sig1`
			`. = . + 64 // sig2`
			`. = . + 64 // sig3`
			`.byte 0 // sigindex1`
			`.byte 0 // sigindex2`
			`.byte 0 // sigindex3`
			`. = . + 220 // reserved`
			`. = . + 65 // reserved`
core: better formatting for common parts of T1 and TT header 2020-05-14 14:10:42 +00:00			`#endif`

core: firmware header for T1 port 2020-05-11 13:43:43 +00:00			`g_header_end:`