openfirm.c (190522) | openfirm.c (194138) |
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1/* $NetBSD: Locore.c,v 1.7 2000/08/20 07:04:59 tsubai Exp $ */ 2 3/*- 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 42 unchanged lines hidden (view full) --- 51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 52 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 53 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 54 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 55 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 */ 57 58#include <sys/cdefs.h> | 1/* $NetBSD: Locore.c,v 1.7 2000/08/20 07:04:59 tsubai Exp $ */ 2 3/*- 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 42 unchanged lines hidden (view full) --- 51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 52 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 53 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 54 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 55 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 */ 57 58#include <sys/cdefs.h> |
59__FBSDID("$FreeBSD: head/sys/dev/ofw/openfirm.c 190522 2009-03-29 15:10:49Z marius $"); | 59__FBSDID("$FreeBSD: head/sys/dev/ofw/openfirm.c 194138 2009-06-14 00:05:38Z marius $"); |
60 61#include <sys/param.h> 62#include <sys/kernel.h> 63#include <sys/malloc.h> 64#include <sys/systm.h> 65 66#include <machine/stdarg.h> 67 | 60 61#include <sys/param.h> 62#include <sys/kernel.h> 63#include <sys/malloc.h> 64#include <sys/systm.h> 65 66#include <machine/stdarg.h> 67 |
68#include <dev/ofw/openfirm.h> | |
69#include <dev/ofw/ofwvar.h> | 68#include <dev/ofw/ofwvar.h> |
69#include <dev/ofw/openfirm.h> |
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70 71#include "ofw_if.h" 72 73MALLOC_DEFINE(M_OFWPROP, "openfirm", "Open Firmware properties"); 74 75static ihandle_t stdout; 76 77static ofw_def_t *ofw_def_impl; --- 5 unchanged lines hidden (view full) --- 83 * OFW install routines. Highest priority wins, equal priority also 84 * overrides allowing last-set to win. 85 */ 86SET_DECLARE(ofw_set, ofw_def_t); 87 88boolean_t 89OF_install(char *name, int prio) 90{ | 70 71#include "ofw_if.h" 72 73MALLOC_DEFINE(M_OFWPROP, "openfirm", "Open Firmware properties"); 74 75static ihandle_t stdout; 76 77static ofw_def_t *ofw_def_impl; --- 5 unchanged lines hidden (view full) --- 83 * OFW install routines. Highest priority wins, equal priority also 84 * overrides allowing last-set to win. 85 */ 86SET_DECLARE(ofw_set, ofw_def_t); 87 88boolean_t 89OF_install(char *name, int prio) 90{ |
91 ofw_def_t **ofwpp, *ofwp; | 91 ofw_def_t *ofwp, **ofwpp; |
92 static int curr_prio = 0; 93 94 /* | 92 static int curr_prio = 0; 93 94 /* |
95 * Try and locate the OFW kobj corresponding to the name 96 */ | 95 * Try and locate the OFW kobj corresponding to the name. 96 */ |
97 SET_FOREACH(ofwpp, ofw_set) { 98 ofwp = *ofwpp; 99 100 if (ofwp->name && 101 !strcmp(ofwp->name, name) && 102 prio >= curr_prio) { 103 curr_prio = prio; 104 ofw_def_impl = ofwp; 105 return (TRUE); 106 } 107 } 108 109 return (FALSE); 110} 111 | 97 SET_FOREACH(ofwpp, ofw_set) { 98 ofwp = *ofwpp; 99 100 if (ofwp->name && 101 !strcmp(ofwp->name, name) && 102 prio >= curr_prio) { 103 curr_prio = prio; 104 ofw_def_impl = ofwp; 105 return (TRUE); 106 } 107 } 108 109 return (FALSE); 110} 111 |
112/* Initialiser */ 113 | 112/* Initializer */ |
114void 115OF_init(void *cookie) 116{ 117 phandle_t chosen; 118 119 ofw_obj = &ofw_kernel_obj; 120 /* 121 * Take care of compiling the selected class, and | 113void 114OF_init(void *cookie) 115{ 116 phandle_t chosen; 117 118 ofw_obj = &ofw_kernel_obj; 119 /* 120 * Take care of compiling the selected class, and |
122 * then statically initialize the OFW object | 121 * then statically initialize the OFW object. |
123 */ 124 kobj_class_compile_static(ofw_def_impl, &ofw_kernel_kops); 125 kobj_init((kobj_t)ofw_obj, ofw_def_impl); 126 127 OFW_INIT(ofw_obj, cookie); 128 129 if ((chosen = OF_finddevice("/chosen")) == -1) 130 OF_exit(); --- 16 unchanged lines hidden (view full) --- 147/* 148 * Generic functions 149 */ 150 151/* Test to see if a service exists. */ 152int 153OF_test(const char *name) 154{ | 122 */ 123 kobj_class_compile_static(ofw_def_impl, &ofw_kernel_kops); 124 kobj_init((kobj_t)ofw_obj, ofw_def_impl); 125 126 OFW_INIT(ofw_obj, cookie); 127 128 if ((chosen = OF_finddevice("/chosen")) == -1) 129 OF_exit(); --- 16 unchanged lines hidden (view full) --- 146/* 147 * Generic functions 148 */ 149 150/* Test to see if a service exists. */ 151int 152OF_test(const char *name) 153{ |
154 |
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155 return (OFW_TEST(ofw_obj, name)); 156} 157 158int 159OF_interpret(const char *cmd, int nreturns, ...) 160{ 161 va_list ap; 162 unsigned long slots[16]; --- 15 unchanged lines hidden (view full) --- 178/* 179 * Device tree functions 180 */ 181 182/* Return the next sibling of this node or 0. */ 183phandle_t 184OF_peer(phandle_t node) 185{ | 155 return (OFW_TEST(ofw_obj, name)); 156} 157 158int 159OF_interpret(const char *cmd, int nreturns, ...) 160{ 161 va_list ap; 162 unsigned long slots[16]; --- 15 unchanged lines hidden (view full) --- 178/* 179 * Device tree functions 180 */ 181 182/* Return the next sibling of this node or 0. */ 183phandle_t 184OF_peer(phandle_t node) 185{ |
186 |
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186 return (OFW_PEER(ofw_obj, node)); 187} 188 189/* Return the first child of this node or 0. */ 190phandle_t 191OF_child(phandle_t node) 192{ | 187 return (OFW_PEER(ofw_obj, node)); 188} 189 190/* Return the first child of this node or 0. */ 191phandle_t 192OF_child(phandle_t node) 193{ |
194 |
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193 return (OFW_CHILD(ofw_obj, node)); 194} 195 196/* Return the parent of this node or 0. */ 197phandle_t 198OF_parent(phandle_t node) 199{ | 195 return (OFW_CHILD(ofw_obj, node)); 196} 197 198/* Return the parent of this node or 0. */ 199phandle_t 200OF_parent(phandle_t node) 201{ |
202 |
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200 return (OFW_PARENT(ofw_obj, node)); 201} 202 203/* Return the package handle that corresponds to an instance handle. */ 204phandle_t 205OF_instance_to_package(ihandle_t instance) 206{ | 203 return (OFW_PARENT(ofw_obj, node)); 204} 205 206/* Return the package handle that corresponds to an instance handle. */ 207phandle_t 208OF_instance_to_package(ihandle_t instance) 209{ |
210 |
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207 return (OFW_INSTANCE_TO_PACKAGE(ofw_obj, instance)); 208} 209 210/* Get the length of a property of a package. */ 211ssize_t 212OF_getproplen(phandle_t package, const char *propname) 213{ | 211 return (OFW_INSTANCE_TO_PACKAGE(ofw_obj, instance)); 212} 213 214/* Get the length of a property of a package. */ 215ssize_t 216OF_getproplen(phandle_t package, const char *propname) 217{ |
218 |
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214 return (OFW_GETPROPLEN(ofw_obj, package, propname)); 215} 216 217/* Get the value of a property of a package. */ 218ssize_t 219OF_getprop(phandle_t package, const char *propname, void *buf, size_t buflen) 220{ | 219 return (OFW_GETPROPLEN(ofw_obj, package, propname)); 220} 221 222/* Get the value of a property of a package. */ 223ssize_t 224OF_getprop(phandle_t package, const char *propname, void *buf, size_t buflen) 225{ |
226 |
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221 return (OFW_GETPROP(ofw_obj, package, propname, buf, buflen)); 222} 223 224/* 225 * Resursively search the node and its parent for the given property, working 226 * downward from the node to the device tree root. Returns the value of the 227 * first match. 228 */ 229ssize_t | 227 return (OFW_GETPROP(ofw_obj, package, propname, buf, buflen)); 228} 229 230/* 231 * Resursively search the node and its parent for the given property, working 232 * downward from the node to the device tree root. Returns the value of the 233 * first match. 234 */ 235ssize_t |
230OF_searchprop(phandle_t node, char *propname, void *buf, size_t len) | 236OF_searchprop(phandle_t node, const char *propname, void *buf, size_t len) |
231{ 232 ssize_t rv; 233 | 237{ 238 ssize_t rv; 239 |
234 for (; node != 0; node = OF_parent(node)) { | 240 for (; node != 0; node = OF_parent(node)) |
235 if ((rv = OF_getprop(node, propname, buf, len)) != -1) 236 return (rv); | 241 if ((rv = OF_getprop(node, propname, buf, len)) != -1) 242 return (rv); |
237 } | |
238 return (-1); 239} 240 241/* 242 * Store the value of a property of a package into newly allocated memory | 243 return (-1); 244} 245 246/* 247 * Store the value of a property of a package into newly allocated memory |
243 * (using the M_OFWPROP malloc pool and M_WAITOK). elsz is the size of a | 248 * (using the M_OFWPROP malloc pool and M_WAITOK). elsz is the size of a |
244 * single element, the number of elements is return in number. 245 */ 246ssize_t 247OF_getprop_alloc(phandle_t package, const char *propname, int elsz, void **buf) 248{ 249 int len; 250 251 *buf = NULL; --- 9 unchanged lines hidden (view full) --- 261 } 262 return (len / elsz); 263} 264 265/* Get the next property of a package. */ 266int 267OF_nextprop(phandle_t package, const char *previous, char *buf, size_t size) 268{ | 249 * single element, the number of elements is return in number. 250 */ 251ssize_t 252OF_getprop_alloc(phandle_t package, const char *propname, int elsz, void **buf) 253{ 254 int len; 255 256 *buf = NULL; --- 9 unchanged lines hidden (view full) --- 266 } 267 return (len / elsz); 268} 269 270/* Get the next property of a package. */ 271int 272OF_nextprop(phandle_t package, const char *previous, char *buf, size_t size) 273{ |
274 |
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269 return (OFW_NEXTPROP(ofw_obj, package, previous, buf, size)); 270} 271 272/* Set the value of a property of a package. */ 273int 274OF_setprop(phandle_t package, const char *propname, const void *buf, size_t len) 275{ | 275 return (OFW_NEXTPROP(ofw_obj, package, previous, buf, size)); 276} 277 278/* Set the value of a property of a package. */ 279int 280OF_setprop(phandle_t package, const char *propname, const void *buf, size_t len) 281{ |
282 |
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276 return (OFW_SETPROP(ofw_obj, package, propname, buf,len)); 277} 278 279/* Convert a device specifier to a fully qualified pathname. */ 280ssize_t 281OF_canon(const char *device, char *buf, size_t len) 282{ | 283 return (OFW_SETPROP(ofw_obj, package, propname, buf,len)); 284} 285 286/* Convert a device specifier to a fully qualified pathname. */ 287ssize_t 288OF_canon(const char *device, char *buf, size_t len) 289{ |
290 |
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283 return (OFW_CANON(ofw_obj, device, buf, len)); 284} 285 286/* Return a package handle for the specified device. */ 287phandle_t 288OF_finddevice(const char *device) 289{ | 291 return (OFW_CANON(ofw_obj, device, buf, len)); 292} 293 294/* Return a package handle for the specified device. */ 295phandle_t 296OF_finddevice(const char *device) 297{ |
298 |
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290 return (OFW_FINDDEVICE(ofw_obj, device)); 291} 292 293/* Return the fully qualified pathname corresponding to an instance. */ 294ssize_t 295OF_instance_to_path(ihandle_t instance, char *buf, size_t len) 296{ | 299 return (OFW_FINDDEVICE(ofw_obj, device)); 300} 301 302/* Return the fully qualified pathname corresponding to an instance. */ 303ssize_t 304OF_instance_to_path(ihandle_t instance, char *buf, size_t len) 305{ |
306 |
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297 return (OFW_INSTANCE_TO_PATH(ofw_obj, instance, buf, len)); 298} 299 300/* Return the fully qualified pathname corresponding to a package. */ 301ssize_t 302OF_package_to_path(phandle_t package, char *buf, size_t len) 303{ | 307 return (OFW_INSTANCE_TO_PATH(ofw_obj, instance, buf, len)); 308} 309 310/* Return the fully qualified pathname corresponding to a package. */ 311ssize_t 312OF_package_to_path(phandle_t package, char *buf, size_t len) 313{ |
314 |
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304 return (OFW_PACKAGE_TO_PATH(ofw_obj, package, buf, len)); 305} 306 307/* Call the method in the scope of a given instance. */ 308int 309OF_call_method(const char *method, ihandle_t instance, int nargs, int nreturns, 310 ...) 311{ --- 4 unchanged lines hidden (view full) --- 316 if (nargs > 6) 317 return (-1); 318 va_start(ap, nreturns); 319 for (n = 0; n < nargs; n++) 320 args_n_results[n] = va_arg(ap, unsigned long); 321 322 status = OFW_CALL_METHOD(ofw_obj, instance, method, nargs, nreturns, 323 args_n_results); | 315 return (OFW_PACKAGE_TO_PATH(ofw_obj, package, buf, len)); 316} 317 318/* Call the method in the scope of a given instance. */ 319int 320OF_call_method(const char *method, ihandle_t instance, int nargs, int nreturns, 321 ...) 322{ --- 4 unchanged lines hidden (view full) --- 327 if (nargs > 6) 328 return (-1); 329 va_start(ap, nreturns); 330 for (n = 0; n < nargs; n++) 331 args_n_results[n] = va_arg(ap, unsigned long); 332 333 status = OFW_CALL_METHOD(ofw_obj, instance, method, nargs, nreturns, 334 args_n_results); |
324 | |
325 if (status != 0) 326 return (status); 327 328 for (; n < nargs + nreturns; n++) 329 *va_arg(ap, unsigned long *) = args_n_results[n]; 330 va_end(ap); 331 return (0); 332} 333 334/* 335 * Device I/O functions 336 */ 337 338/* Open an instance for a device. */ 339ihandle_t 340OF_open(const char *device) 341{ | 335 if (status != 0) 336 return (status); 337 338 for (; n < nargs + nreturns; n++) 339 *va_arg(ap, unsigned long *) = args_n_results[n]; 340 va_end(ap); 341 return (0); 342} 343 344/* 345 * Device I/O functions 346 */ 347 348/* Open an instance for a device. */ 349ihandle_t 350OF_open(const char *device) 351{ |
352 |
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342 return (OFW_OPEN(ofw_obj, device)); 343} 344 345/* Close an instance. */ 346void 347OF_close(ihandle_t instance) 348{ | 353 return (OFW_OPEN(ofw_obj, device)); 354} 355 356/* Close an instance. */ 357void 358OF_close(ihandle_t instance) 359{ |
360 |
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349 OFW_CLOSE(ofw_obj, instance); 350} 351 352/* Read from an instance. */ 353ssize_t 354OF_read(ihandle_t instance, void *addr, size_t len) 355{ | 361 OFW_CLOSE(ofw_obj, instance); 362} 363 364/* Read from an instance. */ 365ssize_t 366OF_read(ihandle_t instance, void *addr, size_t len) 367{ |
368 |
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356 return (OFW_READ(ofw_obj, instance, addr, len)); 357} 358 359/* Write to an instance. */ 360ssize_t 361OF_write(ihandle_t instance, const void *addr, size_t len) 362{ | 369 return (OFW_READ(ofw_obj, instance, addr, len)); 370} 371 372/* Write to an instance. */ 373ssize_t 374OF_write(ihandle_t instance, const void *addr, size_t len) 375{ |
376 |
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363 return (OFW_WRITE(ofw_obj, instance, addr, len)); 364} 365 366/* Seek to a position. */ 367int 368OF_seek(ihandle_t instance, uint64_t pos) 369{ | 377 return (OFW_WRITE(ofw_obj, instance, addr, len)); 378} 379 380/* Seek to a position. */ 381int 382OF_seek(ihandle_t instance, uint64_t pos) 383{ |
384 |
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370 return (OFW_SEEK(ofw_obj, instance, pos)); 371} 372 373/* 374 * Memory functions 375 */ 376 377/* Claim an area of memory. */ 378void * 379OF_claim(void *virt, size_t size, u_int align) 380{ | 385 return (OFW_SEEK(ofw_obj, instance, pos)); 386} 387 388/* 389 * Memory functions 390 */ 391 392/* Claim an area of memory. */ 393void * 394OF_claim(void *virt, size_t size, u_int align) 395{ |
396 |
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381 return (OFW_CLAIM(ofw_obj, virt, size, align)); 382} 383 384/* Release an area of memory. */ 385void 386OF_release(void *virt, size_t size) 387{ | 397 return (OFW_CLAIM(ofw_obj, virt, size, align)); 398} 399 400/* Release an area of memory. */ 401void 402OF_release(void *virt, size_t size) 403{ |
404 |
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388 OFW_RELEASE(ofw_obj, virt, size); 389} 390 391/* 392 * Control transfer functions 393 */ 394 395/* Suspend and drop back to the Open Firmware interface. */ 396void 397OF_enter() 398{ | 405 OFW_RELEASE(ofw_obj, virt, size); 406} 407 408/* 409 * Control transfer functions 410 */ 411 412/* Suspend and drop back to the Open Firmware interface. */ 413void 414OF_enter() 415{ |
416 |
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399 OFW_ENTER(ofw_obj); 400} 401 402/* Shut down and drop back to the Open Firmware interface. */ 403void 404OF_exit() 405{ | 417 OFW_ENTER(ofw_obj); 418} 419 420/* Shut down and drop back to the Open Firmware interface. */ 421void 422OF_exit() 423{ |
424 |
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406 /* Should not return */ 407 OFW_EXIT(ofw_obj); 408 409 for (;;) /* just in case */ 410 ; 411} | 425 /* Should not return */ 426 OFW_EXIT(ofw_obj); 427 428 for (;;) /* just in case */ 429 ; 430} |
412 | |