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fix(core/embed): fix memory clearing in u5 boardloader

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cepetr 2024-06-21 10:37:20 +02:00 committed by cepetr
parent 0ea965d07e
commit 076b476cf5
1 changed files with 1 additions and 0 deletions
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core/embed/trezorhal/stm32u5/limited_util.s
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@ -34,6 +34,7 @@ jump_to:
// "there is no requirement to insert memory barrier instructions after CPSID". // "there is no requirement to insert memory barrier instructions after CPSID".
cpsid f cpsid f
// wipe memory at the end of the current stage of code // wipe memory at the end of the current stage of code
ldr r2, =0 // r2 - the word-sized value to be written
ldr r0, =sram1_start // r0 - point to beginning of SRAM ldr r0, =sram1_start // r0 - point to beginning of SRAM
ldr r1, =sram1_end // r1 - point to byte after the end of SRAM ldr r1, =sram1_end // r1 - point to byte after the end of SRAM
bl memset_reg bl memset_reg