cpus.c revision 1.2.6.2
1 1.2.6.2 skrll /* $NetBSD: cpus.c,v 1.2.6.2 2017/08/28 17:52:02 skrll Exp $ */ 2 1.2.6.2 skrll 3 1.2.6.2 skrll /*- 4 1.2.6.2 skrll * Copyright (c) 2017 Jared McNeill <jmcneill (at) invisible.ca> 5 1.2.6.2 skrll * All rights reserved. 6 1.2.6.2 skrll * 7 1.2.6.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.2.6.2 skrll * modification, are permitted provided that the following conditions 9 1.2.6.2 skrll * are met: 10 1.2.6.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.2.6.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.2.6.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.6.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.2.6.2 skrll * documentation and/or other materials provided with the distribution. 15 1.2.6.2 skrll * 16 1.2.6.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.2.6.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.2.6.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.2.6.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.2.6.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.2.6.2 skrll * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.2.6.2 skrll * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.2.6.2 skrll * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.2.6.2 skrll * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2.6.2 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2.6.2 skrll * SUCH DAMAGE. 27 1.2.6.2 skrll */ 28 1.2.6.2 skrll 29 1.2.6.2 skrll #include <sys/cdefs.h> 30 1.2.6.2 skrll __KERNEL_RCSID(0, "$NetBSD: cpus.c,v 1.2.6.2 2017/08/28 17:52:02 skrll Exp $"); 31 1.2.6.2 skrll 32 1.2.6.2 skrll #include <sys/param.h> 33 1.2.6.2 skrll #include <sys/bus.h> 34 1.2.6.2 skrll #include <sys/device.h> 35 1.2.6.2 skrll #include <sys/intr.h> 36 1.2.6.2 skrll #include <sys/systm.h> 37 1.2.6.2 skrll #include <sys/kernel.h> 38 1.2.6.2 skrll #include <sys/kmem.h> 39 1.2.6.2 skrll 40 1.2.6.2 skrll #include <dev/fdt/fdtvar.h> 41 1.2.6.2 skrll 42 1.2.6.2 skrll static int cpus_match(device_t, cfdata_t, void *); 43 1.2.6.2 skrll static void cpus_attach(device_t, device_t, void *); 44 1.2.6.2 skrll 45 1.2.6.2 skrll CFATTACH_DECL_NEW(cpus, 0, cpus_match, cpus_attach, NULL, NULL); 46 1.2.6.2 skrll 47 1.2.6.2 skrll static int 48 1.2.6.2 skrll cpus_match(device_t parent, cfdata_t cf, void *aux) 49 1.2.6.2 skrll { 50 1.2.6.2 skrll struct fdt_attach_args * const faa = aux; 51 1.2.6.2 skrll 52 1.2.6.2 skrll return OF_finddevice("/cpus") == faa->faa_phandle; 53 1.2.6.2 skrll } 54 1.2.6.2 skrll 55 1.2.6.2 skrll static void 56 1.2.6.2 skrll cpus_attach(device_t parent, device_t self, void *aux) 57 1.2.6.2 skrll { 58 1.2.6.2 skrll struct fdt_attach_args * const faa = aux; 59 1.2.6.2 skrll const int phandle = faa->faa_phandle; 60 1.2.6.2 skrll int child; 61 1.2.6.2 skrll 62 1.2.6.2 skrll aprint_naive("\n"); 63 1.2.6.2 skrll aprint_normal("\n"); 64 1.2.6.2 skrll 65 1.2.6.2 skrll for (child = OF_child(phandle); child; child = OF_peer(child)) { 66 1.2.6.2 skrll if (!fdtbus_status_okay(child)) 67 1.2.6.2 skrll continue; 68 1.2.6.2 skrll 69 1.2.6.2 skrll struct fdt_attach_args cfaa = *faa; 70 1.2.6.2 skrll cfaa.faa_phandle = child; 71 1.2.6.2 skrll cfaa.faa_name = "cpu"; 72 1.2.6.2 skrll cfaa.faa_quiet = 0; 73 1.2.6.2 skrll 74 1.2.6.2 skrll device_t cpu = config_found(self, &cfaa, fdtbus_print); 75 1.2.6.2 skrll if (cpu) 76 1.2.6.2 skrll config_found(cpu, &cfaa, NULL); 77 1.2.6.2 skrll } 78 1.2.6.2 skrll } 79
Indexes created Thu Oct 02 14:10:14 GMT 2025