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fix(core): disable MSPLIM before entering next boot stage

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cepetr 2025-05-07 16:17:07 +02:00 committed by cepetr
parent adf9872988
commit 9fb71f8f81
1 changed files with 3 additions and 0 deletions
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core/embed/sys/startup/stm32/sysutils.c
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@ -245,6 +245,9 @@ __attribute((naked, noreturn, no_stack_protector)) void jump_to_vectbl(
"MOV R10, R0 \n" // R11 is set to r11 argument
"MOV R12, R0 \n"
#if defined(__ARM_ARCH_8M_MAIN__) || defined(__ARM_ARCH_8M_BASE__)
"MSR MSPLIM, R1 \n" // Disable MSPLIM
#endif
"LDR R0, [LR] \n" // Initial MSP value
"MSR MSP, R0 \n" // Set MSP