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fw: Add pre loaded flash app and flash data storage

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- Add per app flash storage
  - Adds four data areas. An app can allocate an area. Once allocated
    the area is tied to the CDI of the app and can only be
    read/written/deallocated by the same app.
- Add two pre loaded app slots to flash
  - Load an app from the first slot at boot. The app digest must match a
    specific digest specified in firmware.
  - Optionally load an app from the second slot
- Add a resetinfo area in FW_RAM which is used to signal an app's intent
  of resetting the system and, optionally, pass data to firmware or the
  next app in a bootchain.

Co-authored-by: Jonas Thörnblad <jonas@tillitis.se>
Co-authored-by: Mikael Ågren <mikael@tillitis.se>
Co-authored-by: Daniel Jobson <jobson@tillitis.se>
This commit is contained in:
Michael Cardell Widerkrantz 2025-03-12 16:17:48 +01:00 • committed by Mikael Ågren
parent 4841b1b127
commit 2c1c05f180
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GPG key ID: E02DA3D397792C46
25 changed files with 1642 additions and 27 deletions
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10
hw/application_fpga/Makefile
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@ -126,7 +126,15 @@ FIRMWARE_OBJS = \
$(P)/fw/tk1/start.o \
$(P)/fw/tk1/proto.o \
$(P)/fw/tk1/syscall_enable.o \
$(P)/fw/tk1/syscall_handler.o
$(P)/fw/tk1/syscall_handler.o \
$(P)/fw/tk1/spi.o \
$(P)/fw/tk1/flash.o \
$(P)/fw/tk1/storage.o \
$(P)/fw/tk1/partition_table.o \
$(P)/fw/tk1/auth_app.o \
$(P)/fw/tk1/rng.o \
$(P)/fw/tk1/preload_app.o \
$(P)/fw/tk1/mgmt_app.o
FIRMWARE_SOURCES = \
$(P)/fw/tk1/main.c \