Lines Matching refs:r2
17 * Argument registers r2..r9, return value r2..r3.
21 * We're going to call a function (r2) from within the context switch
33 ** r2: ptr to function to call once curr is suspended
35 ** r3: 1'th arg to *r2.
36 ** r4: 2'th arg to *r2.
41 ** touch r2 between the helper's return and the end of
48 ** for r2-r9 for varargs. For context switches we don't use
71 jsr.n r2 /* Call helper. */
72 addu r2, r14,0 /* Pass old sp as an arg0 to helper. */
93 addu r2, r14,0 /* Set user arg `pu'. */
116 addu r2, r15,0 /* `pt' is arg0 to `startup'. */
118 addu r2, r19,0 /* Set arg0. */
128 addu r3, r2,0 /* Ret. value is arg1 to `cleanup'. */
130 addu r2, r15,0 /* `pt' is arg0 to `cleanup'. */