PicoSDK
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Outline
#include "hardware/boot_lock.h"
#include "pico/runtime_init.h"
boot_locks_reset()
boot_lock_init(uint)
#include "hardware/sync.h"
runtime_init_boot_locks_reset()
__pre_init_runtime_init_boot_locks_reset
Files
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SourceVuRaspberry Pi Pico SDK and ExamplesPicoSDKsrc/rp2_common/hardware_boot_lock/boot_lock.c
 
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/* * Copyright (c) 2024 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause *//* ... */ #include "hardware/boot_lock.h" #include "pico/runtime_init.h" #if NUM_BOOT_LOCKS > 0 void boot_locks_reset(void) { GCC_Pragma("GCC unroll 1") // prevent GCC unrolling this loop which is 8 bytes per for (uint i = 0; i < NUM_BOOT_LOCKS; i++) { boot_unlock_unsafe(boot_lock_instance(i)); }for (uint i = 0; i < NUM_BOOT_LOCKS; i++) { ... } }{ ... } boot_lock_t *boot_lock_init(uint lock_num) { assert(lock_num < NUM_BOOT_LOCKS); boot_lock_t *lock = boot_lock_instance(lock_num); boot_unlock_unsafe(lock); return lock; }{ ... } #if !PICO_RUNTIME_NO_INIT_BOOT_LOCKS_RESET #include "hardware/sync.h" void __weak runtime_init_boot_locks_reset(void) { boot_locks_reset(); }{ ... } #endif/* ... */ #if !PICO_RUNTIME_SKIP_INIT_BOOT_LOCKS_RESET PICO_RUNTIME_INIT_FUNC_RUNTIME(runtime_init_boot_locks_reset, PICO_RUNTIME_INIT_BOOT_LOCKS_RESET); #endif /* ... */ #endif
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