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Portenta C33 SFU new loader #519

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Portenta C33 SFU new loader #519

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57bd3a4
loader: remove wait for Serial open
pennam Jan 14, 2026
0dfc8fd
loader: ensure magic string is included in the build
pennam Jan 14, 2026
50bcbde
loader: bump version
pennam Jan 14, 2026
e778372
loader: update loader dump to version 2
pennam Jan 14, 2026
7e31daf
loader: add debug version
pennam Jan 14, 2026
416abf2
loader: disable Serial before starting application
pennam Jan 14, 2026
98f0273
loader: rebuild debug bootloader
pennam Jan 14, 2026
aa1c776
loader: rename bootloader dumps
pennam Jan 14, 2026
3171acd
loader: ensure sfu magic is always included in the loader binary
pennam Jan 14, 2026
fbfa5db
loader: rebuild loaders
pennam Jan 14, 2026
4339690
loader: examples: rebuild update from file with new loader
pennam Jan 14, 2026
0cd481e
SFU: updated examples documentation
dani-clo Jan 15, 2026
568ffc5
SFU example Readme: fixed wrong link
Jan 15, 2026
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loader: ensure sfu magic is always included in the loader binary
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@pennam
pennam committed Jan 14, 2026
commit 3171acd04fcee49ceafdbc7f8fe7e56abe98301f
2 changes: 1 addition & 1 deletion libraries/SFU/extra/loader/ota.cpp
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Expand Up @@ -27,7 +27,7 @@

// Loader is checking this "magic" string is included in the OTA file.
// If not included OTA is aborted.
static const char sfu_version_magic_string[] __attribute__ ((section(".rodata"), used)) = "SFU version";
static const char sfu_version_magic_string[] __attribute__ ((section(".rodata.sfu_magic"), used)) = "SFU version";


static const uint32_t crc_table[256] = {
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2 changes: 2 additions & 0 deletions variants/PORTENTA_C33/fsp.ld
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Expand Up @@ -175,6 +175,8 @@ SECTIONS
*(.dtors)

*(.rodata*)
/* Ensure SFU magic bytes are not removed */
KEEP(*(.rodata.sfu_magic))

KEEP(*(.eh_frame*))

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