How to access local C variables in Inline-Assembly?

Posted on November 27, 2017 at 21:46

How do I access local C variables in Keil using ARM inline Assembly?

#arm #keil #assembly

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Guru

Posted on November 27, 2017 at 22:30

Don't have tools to hand, but wouldn't these work?

unsigned int foo = 1234;

LDR R0, =&foo

LDR R0,[R0]

MOV R4, param1

If not, try reading the docs.

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Guru

Posted on November 28, 2017 at 02:37

unsigned int bar(unsigned int r0)

{

unsigned int r1;

unsigned int r4 = 1234;

__asm

{

mov r1, r0

add r1, r4

}

return(r1);

}

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