Part5 Core initialization_lesson2---Set svc mode

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Our Linux system and bootloader are working in SVC mode! ! How to set the processor to SVC mode?

The lowest 5 bits of the CPSR register or SPSR register can set the mode. Set the 5 bits to 0b10011.

start.s file


Reference address:Part5 Core initialization_lesson2---Set svc mode

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