ref: b7ee84c65da44dfed3d8ceca424da511b0c1412f
dir: /sys/src/9/ppc/init9.s/
/* this is the same as a c program: * main(char *argv0){ * startboot(argv0, &argv0); * } * * it is in asm because we need to set the SB before * doing it and the only way to do this in c drags in * too many other routines. */ TEXT _main(SB),$8 MOVW $setSB(SB), R2 /* make a frame */ SUB $16,R1 /* argv0 is already passed to us in R3 so it is already the first arg */ /* copy argv0 into the stack and push its address as the second arg */ MOVW R3,0x14(R1) ADD $0x14,R1,R6 MOVW R6,0x8(R1) BL startboot(SB) /* should never get here */ loop: BR loop