Commit 5eaf190a authored by Mateusz Michalek's avatar Mateusz Michalek Committed by Jamie
Browse files

boot: zephyr: RAM cleanup debug loop 



Option to put execution in infinite loop.
Meant to be used for debug.

Signed-off-by: default avatarMateusz Michalek <mateusz.michalek@nordicsemi.no>
parent ecf01da3

boot/zephyr/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -364,6 +364,13 @@ config MCUBOOT_CLEANUP_RAM 
	help

	  Sets contents of memory to 0 before jumping to application.



config MCUBOOT_INFINITE_LOOP_AFTER_RAM_CLEANUP

	bool "Infinite loop after RAM cleanup"

	depends on MCUBOOT_CLEANUP_RAM

	help

	  Verification option that keeps execution in infinite loop after

	  RAM cleanup has been performed.



config MBEDTLS_CFG_FILE

	# It might be awkward to define an Mbed TLS header file when TinyCrypt

	# is used, but the fact is that Mbed TLS' ASN1 parse module is used

boot/zephyr/main.c

+3 −0
Original line number Diff line number Diff line
@@ -249,6 +249,9 @@ static void do_boot(struct boot_rsp *rsp) 
        "   b       clear\n"

        "out:\n"

        "   dsb\n"

#if CONFIG_MCUBOOT_INFINITE_LOOP_AFTER_RAM_CLEANUP

        "   b       out\n"

#endif /*CONFIG_MCUBOOT_INFINITE_LOOP_AFTER_RAM_CLEANUP */

        /* jump to reset vector of an app */

        "   bx      r0\n"

        :

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