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.text
.globl _switchStackInternal

/* void _switchStackInternal(void* to, void** from) */
_switchStackInternal:
	stmfd		sp!, { v1-v7, fp, ip, lr } /* Push registers on to the stack */

	str sp, [a2], #0 /* *from=sp */
	mov sp, a1       /* sp=to */
	
	/* Restore the registers, retrieving the state when setjmp() was called.  */
	ldmfd		sp!, { v1-v7, fp, ip, lr } /* Pop registers from stack */

	bx lr /* Return */

