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Pin uint16_t bootloader_magic_key at the MAGIC_KEY_POS location to prevent magic key overwrite

This commit is contained in:
Delio Brignoli 2018-01-14 17:22:44 +01:00
parent f8f46de06d
commit ad9ec1de55
1 changed files with 4 additions and 0 deletions
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4
src/Arduboy2Core.cpp
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@ -6,6 +6,10 @@
#include "Arduboy2Core.h" #include "Arduboy2Core.h"
// Reserve the location of the bootloader's magic key
// so it cannot be overwritten by program variables
uint16_t bootloader_magic_key __attribute__((used)) __attribute__((address(MAGIC_KEY_POS)));
const uint8_t PROGMEM lcdBootProgram[] = { const uint8_t PROGMEM lcdBootProgram[] = {
// boot defaults are commented out but left here in case they // boot defaults are commented out but left here in case they
// might prove useful for reference // might prove useful for reference