Fix bootloader jump use word address
- Call of function pointer is compiled into 'icall' instruction. It should use word address but it has used byte address :( It seems jump has worked luckily by chance until now. why it worked?
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@ -71,7 +71,8 @@ void bootloader_jump_after_watchdog_reset(void)
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MCUSR &= ~(1<<WDRF);
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MCUSR &= ~(1<<WDRF);
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wdt_disable();
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wdt_disable();
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((void (*)(void))BOOTLOADER_START)();
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// This is compled into 'icall', address should be in word unit, not byte.
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((void (*)(void))(BOOTLOADER_START/2))();
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}
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}
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}
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}
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@ -141,7 +142,7 @@ void bootloader_jump(void) {
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ADCSRA = 0; TWCR = 0; UCSR0B = 0;
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ADCSRA = 0; TWCR = 0; UCSR0B = 0;
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#endif
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#endif
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// start Bootloader
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// This is compled into 'icall', address should be in word unit, not byte.
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((void (*)(void))BOOTLOADER_START)();
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((void (*)(void))(BOOTLOADER_START/2))();
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}
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}
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#endif
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#endif
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