github.com/afumu/libc@v0.0.6/musl/src/thread/or1k/clone.s (about)

     1  /* int clone(fn, stack, flags, arg, ptid, tls, ctid)
     2   *           r3  r4     r5     r6   sp+0  sp+4 sp+8
     3   * sys_clone(flags, stack, ptid, ctid, tls)
     4   */
     5  .global __clone
     6  .hidden __clone
     7  .type   __clone,@function
     8  __clone:
     9  	l.addi	r4, r4, -8
    10  	l.sw	0(r4), r3
    11  	l.sw	4(r4), r6
    12  	/* (fn, st, fl, ar, pt, tl, ct) => (fl, st, pt, ct, tl) */
    13  	l.ori	r3, r5, 0
    14  	l.lwz	r5, 0(r1)
    15  	l.lwz	r6, 8(r1)
    16  	l.lwz	r7, 4(r1)
    17  	l.ori	r11, r0, 220 /* __NR_clone */
    18  	l.sys	1
    19  
    20  	l.sfeqi	r11, 0
    21  	l.bf	1f
    22  	 l.nop
    23  	l.jr	r9
    24  	 l.nop
    25  
    26  1:	l.lwz	r11, 0(r1)
    27  	l.jalr	r11
    28  	 l.lwz	r3, 4(r1)
    29  
    30  	l.ori	r11, r0, 93 /* __NR_exit */
    31  	l.sys	1