blob: a064b5eaf5142c32c1d2c9abf39bb2bc122798e6 [file] [log] [blame]
/* get FPR and VR use flags with sc 0x7FF3 */
/* get vsave with mfspr reg, 256 */
.align 2
.globl __getmcontext
__getmcontext: /* xxx: instruction scheduling */
mflr r0
mfcr r5
mfctr r6
mfxer r7
stw r0, 0*4(r3)
stw r5, 1*4(r3)
stw r6, 2*4(r3)
stw r7, 3*4(r3)
stw r1, 4*4(r3)
stw r2, 5*4(r3)
li r5, 1 /* return value for setmcontext */
stw r5, 6*4(r3)
stw r13, (0+7)*4(r3) /* callee-save GPRs */
stw r14, (1+7)*4(r3) /* xxx: block move */
stw r15, (2+7)*4(r3)
stw r16, (3+7)*4(r3)
stw r17, (4+7)*4(r3)
stw r18, (5+7)*4(r3)
stw r19, (6+7)*4(r3)
stw r20, (7+7)*4(r3)
stw r21, (8+7)*4(r3)
stw r22, (9+7)*4(r3)
stw r23, (10+7)*4(r3)
stw r24, (11+7)*4(r3)
stw r25, (12+7)*4(r3)
stw r26, (13+7)*4(r3)
stw r27, (14+7)*4(r3)
stw r28, (15+7)*4(r3)
stw r29, (16+7)*4(r3)
stw r30, (17+7)*4(r3)
stw r31, (18+7)*4(r3)
li r3, 0 /* return */
.globl __setmcontext
lwz r13, (0+7)*4(r3) /* callee-save GPRs */
lwz r14, (1+7)*4(r3) /* xxx: block move */
lwz r15, (2+7)*4(r3)
lwz r16, (3+7)*4(r3)
lwz r17, (4+7)*4(r3)
lwz r18, (5+7)*4(r3)
lwz r19, (6+7)*4(r3)
lwz r20, (7+7)*4(r3)
lwz r21, (8+7)*4(r3)
lwz r22, (9+7)*4(r3)
lwz r23, (10+7)*4(r3)
lwz r24, (11+7)*4(r3)
lwz r25, (12+7)*4(r3)
lwz r26, (13+7)*4(r3)
lwz r27, (14+7)*4(r3)
lwz r28, (15+7)*4(r3)
lwz r29, (16+7)*4(r3)
lwz r30, (17+7)*4(r3)
lwz r31, (18+7)*4(r3)
lwz r1, 4*4(r3)
lwz r2, 5*4(r3)
lwz r0, 0*4(r3)
mtlr r0
lwz r0, 1*4(r3)
mtcr r0 /* mtcrf 0xFF, r0 */
lwz r0, 2*4(r3)
mtctr r0
lwz r0, 3*4(r3)
mtxer r0
lwz r3, 6*4(r3)