arm64/fp/sve-ptrace.c

170 	sve.vl = sve_vl_from_vq(SVE_VQ_MIN);
215 			      unsigned int vl, bool *supported)
225 	prctl_vl = prctl(type->prctl_set, vl);
231 	*supported = (prctl_vl == vl);
236 	sve.vl = vl;
240 				      type->name, vl);
250 				      type->name, vl);
254 	ksft_test_result(new_sve->vl = prctl_vl, "Set %s VL %u\n",
255 			 type->name, vl);
260 static void check_u32(unsigned int vl, const char *reg,
265 		       vl, reg, *in, *out);
290 	sve->vl = 16;  /* We don't care what the VL is */
328 					unsigned int vl)
335 	unsigned int vq = sve_vq_from_vl(vl);
344 				      data_size, type->name, vl);
352 	write_sve->vl = vl;
371 				      type->name, vl);
378 				      type->name, vl);
395 			printf("# Mismatch in %u Z%d\n", vl, i);
404 			printf("# Mismatch in %u P%d\n", vl, i);
409 	check_u32(vl, "FPSR", write_buf + SVE_PT_SVE_FPSR_OFFSET(vq),
411 	check_u32(vl, "FPCR", write_buf + SVE_PT_SVE_FPCR_OFFSET(vq),
415 			 type->name, vl);
426 					   unsigned int vl)
430 	unsigned int vq = sve_vq_from_vl(vl);
445 				      data_size, type->name, vl);
453 	write_sve->vl = vl;
466 				      type->name, vl);
473 				      type->name, vl);
489 			       type->name, vl, i);
494 	check_u32(vl, "FPSR", write_buf + SVE_PT_SVE_FPSR_OFFSET(vq),
496 	check_u32(vl, "FPCR", write_buf + SVE_PT_SVE_FPCR_OFFSET(vq),
500 			 type->name, vl);
509 					   unsigned int vl)
514 	unsigned int vq = sve_vq_from_vl(vl);
542 				      type->name, vl);
547 	if (read_sve->vl != vl) {
549 				      read_sve->vl, vl);
591 					       type->name, vl, i, i);
596 		check_u32(vl, "FPSR", &write_fpsimd.fpsr,
598 		check_u32(vl, "FPCR", &write_fpsimd.fpcr,
609 			 type->name, vl);
621 	unsigned int vq, vl;
703 			vl = sve_vl_from_vq(vq);
708 				ptrace_set_get_vl(child, &vec_types[i], vl,
712 						      vec_types[i].name, vl);
718 				ptrace_set_sve_get_sve_data(child, &vec_types[i], vl);
719 				ptrace_set_sve_get_fpsimd_data(child, &vec_types[i], vl);
720 				ptrace_set_fpsimd_get_sve_data(child, &vec_types[i], vl);
723 						      vec_types[i].name, vl);
725 						      vec_types[i].name, vl);
727 						      vec_types[i].name, vl);