| nexus.c (52397) | nexus.c (54073) |
|---|---|
| 1/* 2 * Copyright 1998 Massachusetts Institute of Technology 3 * 4 * Permission to use, copy, modify, and distribute this software and 5 * its documentation for any purpose and without fee is hereby 6 * granted, provided that both the above copyright notice and this 7 * permission notice appear in all copies, that both the above 8 * copyright notice and this permission notice appear in all --- 12 unchanged lines hidden (view full) --- 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * | 1/* 2 * Copyright 1998 Massachusetts Institute of Technology 3 * 4 * Permission to use, copy, modify, and distribute this software and 5 * its documentation for any purpose and without fee is hereby 6 * granted, provided that both the above copyright notice and this 7 * permission notice appear in all copies, that both the above 8 * copyright notice and this permission notice appear in all --- 12 unchanged lines hidden (view full) --- 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * |
| 29 * $FreeBSD: head/sys/i386/i386/nexus.c 52397 1999-10-19 17:12:28Z peter $ | 29 * $FreeBSD: head/sys/i386/i386/nexus.c 54073 1999-12-03 08:41:24Z mdodd $ |
| 30 */ 31 32/* 33 * This code implements a `root nexus' for Intel Architecture 34 * machines. The function of the root nexus is to serve as an 35 * attachment point for both processors and buses, and to manage 36 * resources which are common to all of them. In particular, 37 * this code implements the core resource managers for interrupt --- 159 unchanged lines hidden (view full) --- 197 * First, deal with the children we know about already 198 */ 199 bus_generic_attach(dev); 200 /* 201 * And if we didn't see EISA or ISA on a pci bridge, create some 202 * connection points now so they show up "on motherboard". 203 */ 204 if (!devclass_get_device(devclass_find("eisa"), 0)) { | 30 */ 31 32/* 33 * This code implements a `root nexus' for Intel Architecture 34 * machines. The function of the root nexus is to serve as an 35 * attachment point for both processors and buses, and to manage 36 * resources which are common to all of them. In particular, 37 * this code implements the core resource managers for interrupt --- 159 unchanged lines hidden (view full) --- 197 * First, deal with the children we know about already 198 */ 199 bus_generic_attach(dev); 200 /* 201 * And if we didn't see EISA or ISA on a pci bridge, create some 202 * connection points now so they show up "on motherboard". 203 */ 204 if (!devclass_get_device(devclass_find("eisa"), 0)) { |
| 205 child = device_add_child(dev, "eisa", 0, 0); | 205 child = device_add_child(dev, "eisa", 0); |
| 206 if (child == NULL) 207 panic("nexus_attach eisa"); 208 device_probe_and_attach(child); 209 } 210#if NMCA > 0 211 if (!devclass_get_device(devclass_find("mca"), 0)) { | 206 if (child == NULL) 207 panic("nexus_attach eisa"); 208 device_probe_and_attach(child); 209 } 210#if NMCA > 0 211 if (!devclass_get_device(devclass_find("mca"), 0)) { |
| 212 child = device_add_child(dev, "mca", 0, 0); | 212 child = device_add_child(dev, "mca", 0); |
| 213 if (child == 0) 214 panic("nexus_probe mca"); 215 device_probe_and_attach(child); 216 } 217#endif 218 if (!devclass_get_device(devclass_find("isa"), 0)) { | 213 if (child == 0) 214 panic("nexus_probe mca"); 215 device_probe_and_attach(child); 216 } 217#endif 218 if (!devclass_get_device(devclass_find("isa"), 0)) { |
| 219 child = device_add_child(dev, "isa", 0, 0); | 219 child = device_add_child(dev, "isa", 0); |
| 220 if (child == NULL) 221 panic("nexus_attach isa"); 222 device_probe_and_attach(child); 223 } | 220 if (child == NULL) 221 panic("nexus_attach isa"); 222 device_probe_and_attach(child); 223 } |
| 224 |
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| 224 return 0; 225} 226 227static int 228nexus_print_child(device_t bus, device_t child) 229{ 230 int retval = 0; 231 232 retval += bus_print_child_header(bus, child); 233 retval += printf(" on motherboard\n"); 234 235 return (retval); 236} 237 238static device_t 239nexus_add_child(device_t bus, int order, const char *name, int unit) 240{ | 225 return 0; 226} 227 228static int 229nexus_print_child(device_t bus, device_t child) 230{ 231 int retval = 0; 232 233 retval += bus_print_child_header(bus, child); 234 retval += printf(" on motherboard\n"); 235 236 return (retval); 237} 238 239static device_t 240nexus_add_child(device_t bus, int order, const char *name, int unit) 241{ |
| 241 return device_add_child_ordered(bus, order, name, unit, 0); | 242 return device_add_child_ordered(bus, order, name, unit); |
| 242} 243 244/* 245 * Allocate a resource on behalf of child. NB: child is usually going to be a 246 * child of one of our descendants, not a direct child of nexus0. 247 * (Exceptions include npx.) 248 */ 249static struct resource * --- 166 unchanged lines hidden --- | 243} 244 245/* 246 * Allocate a resource on behalf of child. NB: child is usually going to be a 247 * child of one of our descendants, not a direct child of nexus0. 248 * (Exceptions include npx.) 249 */ 250static struct resource * --- 166 unchanged lines hidden --- |