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I’ve seen that code from a bootloader :
https://ghostbin.com/paste/mwpub
And I can’t understand that part :
MBOOT_PAGE_ALIGN equ 1<<0
MBOOT_MEM_INFO equ 1<<1
Well I wonder what that means equ1<<0 , equ 1<<1
1 answer
0
The word equ serves to define constants, already << is an operator that "moves" the bits a number to the left, this type of operator is usually used to define flags.
See more in: https://en.m.wikipedia.org/wiki/Bitwise_operations_in_c http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0489h/Caccddic.html
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