1/*- 2 * Copyright (c) 2014 SRI International 3 * All rights reserved. 4 * 5 * This software was developed by SRI International and the University of 6 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-11-C-0249) 7 * ("MRC2"), as part of the DARPA MRC research programme. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33static inline int 34beri_get_core(void) 35{ 36 uint32_t cinfo; 37 38 cinfo = mips_rd_cinfo(); 39 return (cinfo & 0xffff); 40} 41 42static inline int 43beri_get_ncores(void) 44{ 45 uint32_t cinfo; 46 47 cinfo = mips_rd_cinfo(); 48 return ((cinfo >> 16) + 1); 49} 50 51static inline int 52beri_get_thread(void) 53{ 54 uint32_t tinfo; 55 56 tinfo = mips_rd_tinfo(); 57 return (tinfo & 0xffff); 58} 59 60static inline int 61beri_get_nthreads(void) 62{ 63 uint32_t tinfo; 64 65 tinfo = mips_rd_tinfo(); 66 return ((tinfo >> 16) + 1); 67} 68 69static inline int 70beri_get_cpu(void) 71{ 72 73 return ((beri_get_core() * beri_get_nthreads()) + beri_get_thread()); 74} 75 76static inline int 77beri_get_ncpus(void) 78{ 79 80 return(beri_get_ncores() * beri_get_nthreads()); 81} 82 83void beripic_setup_ipi(device_t dev, u_int tid, u_int ipi_irq); 84void beripic_send_ipi(device_t dev, u_int tid); 85void beripic_clear_ipi(device_t dev, u_int tid); 86