grf_compat.c revision 1.5.2.3
1 1.5.2.3 bouyer /* $NetBSD: grf_compat.c,v 1.5.2.3 2001/03/27 15:31:06 bouyer Exp $ */ 2 1.5.2.2 bouyer 3 1.5.2.2 bouyer /* 4 1.5.2.2 bouyer * Copyright (C) 1999 Scott Reynolds 5 1.5.2.2 bouyer * All rights reserved. 6 1.5.2.2 bouyer * 7 1.5.2.2 bouyer * Redistribution and use in source and binary forms, with or without 8 1.5.2.2 bouyer * modification, are permitted provided that the following conditions 9 1.5.2.2 bouyer * are met: 10 1.5.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 11 1.5.2.2 bouyer * notice, this list of conditions and the following disclaimer. 12 1.5.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 13 1.5.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 14 1.5.2.2 bouyer * documentation and/or other materials provided with the distribution. 15 1.5.2.2 bouyer * 3. The name of the author may not be used to endorse or promote products 16 1.5.2.2 bouyer * derived from this software without specific prior written permission. 17 1.5.2.2 bouyer * 18 1.5.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.5.2.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.5.2.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.5.2.2 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.5.2.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 1.5.2.2 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 1.5.2.2 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 1.5.2.2 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 1.5.2.2 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 1.5.2.2 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.5.2.2 bouyer */ 29 1.5.2.2 bouyer 30 1.5.2.2 bouyer /* 31 1.5.2.2 bouyer * macfb compatibility with legacy grf devices 32 1.5.2.2 bouyer */ 33 1.5.2.2 bouyer 34 1.5.2.2 bouyer #include <sys/param.h> 35 1.5.2.2 bouyer #include <sys/systm.h> 36 1.5.2.2 bouyer #include <sys/cdefs.h> 37 1.5.2.2 bouyer #include <sys/conf.h> 38 1.5.2.2 bouyer #include <sys/device.h> 39 1.5.2.2 bouyer #include <sys/errno.h> 40 1.5.2.2 bouyer #include <sys/ioctl.h> 41 1.5.2.2 bouyer #include <sys/malloc.h> 42 1.5.2.2 bouyer #include <sys/mman.h> 43 1.5.2.2 bouyer #include <sys/proc.h> 44 1.5.2.2 bouyer #include <sys/resourcevar.h> 45 1.5.2.2 bouyer #include <sys/vnode.h> 46 1.5.2.2 bouyer 47 1.5.2.2 bouyer #include <machine/autoconf.h> 48 1.5.2.2 bouyer #include <machine/bus.h> 49 1.5.2.2 bouyer #include <machine/grfioctl.h> 50 1.5.2.2 bouyer 51 1.5.2.2 bouyer #include <mac68k/nubus/nubus.h> 52 1.5.2.2 bouyer #include <mac68k/dev/grfvar.h> 53 1.5.2.2 bouyer #include <mac68k/dev/macfbvar.h> 54 1.5.2.2 bouyer 55 1.5.2.2 bouyer #include <miscfs/specfs/specdev.h> 56 1.5.2.2 bouyer 57 1.5.2.2 bouyer #include <uvm/uvm_extern.h> 58 1.5.2.2 bouyer #include <uvm/uvm_map.h> 59 1.5.2.2 bouyer 60 1.5.2.2 bouyer cdev_decl(grf); 61 1.5.2.2 bouyer 62 1.5.2.2 bouyer void grf_scinit __P((struct grf_softc *, const char *, int)); 63 1.5.2.2 bouyer void grf_init __P((int)); 64 1.5.2.2 bouyer void grfattach __P((int)); 65 1.5.2.2 bouyer int grfmap __P((dev_t, struct macfb_softc *, caddr_t *, struct proc *)); 66 1.5.2.2 bouyer int grfunmap __P((dev_t, struct macfb_softc *, caddr_t, struct proc *)); 67 1.5.2.2 bouyer 68 1.5.2.2 bouyer /* Non-private for the benefit of libkvm. */ 69 1.5.2.2 bouyer struct grf_softc *grf_softc; 70 1.5.2.2 bouyer int numgrf = 0; 71 1.5.2.2 bouyer 72 1.5.2.2 bouyer /* 73 1.5.2.2 bouyer * Initialize a softc to sane defaults. 74 1.5.2.2 bouyer */ 75 1.5.2.2 bouyer void 76 1.5.2.2 bouyer grf_scinit(sc, name, unit) 77 1.5.2.2 bouyer struct grf_softc *sc; 78 1.5.2.2 bouyer const char *name; 79 1.5.2.2 bouyer int unit; 80 1.5.2.2 bouyer { 81 1.5.2.2 bouyer memset(sc, 0, sizeof(struct grf_softc)); 82 1.5.2.2 bouyer snprintf(sc->sc_xname, sizeof(sc->sc_xname), "%s%d", name, unit); 83 1.5.2.2 bouyer sc->mfb_sc = NULL; 84 1.5.2.2 bouyer } 85 1.5.2.2 bouyer 86 1.5.2.2 bouyer /* 87 1.5.2.2 bouyer * (Re-)initialize the grf_softc block so that at least the requested 88 1.5.2.2 bouyer * number of elements has been allocated. If this results in more 89 1.5.2.2 bouyer * elements than we had prior to getting here, we initialize each of 90 1.5.2.2 bouyer * them to avoid problems down the road. 91 1.5.2.2 bouyer */ 92 1.5.2.2 bouyer void 93 1.5.2.2 bouyer grf_init(n) 94 1.5.2.2 bouyer int n; 95 1.5.2.2 bouyer { 96 1.5.2.2 bouyer struct grf_softc *sc; 97 1.5.2.2 bouyer int i; 98 1.5.2.2 bouyer 99 1.5.2.2 bouyer if (n >= numgrf) { 100 1.5.2.2 bouyer i = numgrf; 101 1.5.2.2 bouyer numgrf = n + 1; 102 1.5.2.2 bouyer 103 1.5.2.2 bouyer if (grf_softc == NULL) 104 1.5.2.2 bouyer sc = (struct grf_softc *) 105 1.5.2.2 bouyer malloc(numgrf * sizeof(*sc), 106 1.5.2.2 bouyer M_DEVBUF, M_NOWAIT); 107 1.5.2.2 bouyer else 108 1.5.2.2 bouyer sc = (struct grf_softc *) 109 1.5.2.2 bouyer realloc(grf_softc, numgrf * sizeof(*sc), 110 1.5.2.2 bouyer M_DEVBUF, M_NOWAIT); 111 1.5.2.2 bouyer if (sc == NULL) { 112 1.5.2.2 bouyer printf("WARNING: no memory for grf emulation\n"); 113 1.5.2.2 bouyer if (grf_softc != NULL) 114 1.5.2.2 bouyer free(grf_softc, M_DEVBUF); 115 1.5.2.2 bouyer return; 116 1.5.2.2 bouyer } 117 1.5.2.2 bouyer grf_softc = sc; 118 1.5.2.2 bouyer 119 1.5.2.2 bouyer /* Initialize per-softc structures. */ 120 1.5.2.2 bouyer while (i < numgrf) { 121 1.5.2.2 bouyer grf_scinit(&grf_softc[i], "grf", i); 122 1.5.2.2 bouyer i++; 123 1.5.2.2 bouyer } 124 1.5.2.2 bouyer } 125 1.5.2.2 bouyer } 126 1.5.2.2 bouyer 127 1.5.2.2 bouyer /* 128 1.5.2.2 bouyer * Called by main() during pseudo-device attachment. If we had a 129 1.5.2.2 bouyer * way to configure additional grf devices later, this would actually 130 1.5.2.2 bouyer * allocate enough space for them. As it stands, it's nonsensical, 131 1.5.2.2 bouyer * so other than a basic sanity check we do nothing. 132 1.5.2.2 bouyer */ 133 1.5.2.2 bouyer void 134 1.5.2.2 bouyer grfattach(n) 135 1.5.2.2 bouyer int n; 136 1.5.2.2 bouyer { 137 1.5.2.2 bouyer if (n <= 0) { 138 1.5.2.2 bouyer #ifdef DIAGNOSTIC 139 1.5.2.2 bouyer panic("grfattach: count <= 0"); 140 1.5.2.2 bouyer #endif 141 1.5.2.2 bouyer return; 142 1.5.2.2 bouyer } 143 1.5.2.2 bouyer 144 1.5.2.2 bouyer #if 0 /* XXX someday, if we implement a way to attach after autoconfig */ 145 1.5.2.2 bouyer grf_init(n); 146 1.5.2.2 bouyer #endif 147 1.5.2.2 bouyer } 148 1.5.2.2 bouyer 149 1.5.2.2 bouyer /* 150 1.5.2.2 bouyer * Called from macfb_attach() after setting up the frame buffer. Since 151 1.5.2.2 bouyer * there is a 1:1 correspondence between the macfb device and the grf 152 1.5.2.2 bouyer * device, the only bit of information we really need is the macfb_softc. 153 1.5.2.2 bouyer */ 154 1.5.2.2 bouyer void 155 1.5.2.2 bouyer grf_attach(sc, unit) 156 1.5.2.2 bouyer struct macfb_softc *sc; 157 1.5.2.2 bouyer int unit; 158 1.5.2.2 bouyer { 159 1.5.2.2 bouyer grf_init(unit); 160 1.5.2.2 bouyer 161 1.5.2.2 bouyer if (unit < numgrf) 162 1.5.2.2 bouyer grf_softc[unit].mfb_sc = sc; 163 1.5.2.2 bouyer } 164 1.5.2.2 bouyer 165 1.5.2.2 bouyer /* 166 1.5.2.2 bouyer * Standard device ops 167 1.5.2.2 bouyer */ 168 1.5.2.2 bouyer int 169 1.5.2.2 bouyer grfopen(dev, flag, mode, p) 170 1.5.2.2 bouyer dev_t dev; 171 1.5.2.2 bouyer int flag; 172 1.5.2.2 bouyer int mode; 173 1.5.2.2 bouyer struct proc *p; 174 1.5.2.2 bouyer { 175 1.5.2.2 bouyer struct grf_softc *sc; 176 1.5.2.2 bouyer int unit = GRFUNIT(dev); 177 1.5.2.2 bouyer int rv = 0; 178 1.5.2.2 bouyer 179 1.5.2.2 bouyer if (grf_softc == NULL || unit >= numgrf) 180 1.5.2.2 bouyer return ENXIO; 181 1.5.2.2 bouyer 182 1.5.2.2 bouyer sc = &grf_softc[unit]; 183 1.5.2.2 bouyer if (sc->mfb_sc == NULL) 184 1.5.2.2 bouyer rv = ENXIO; 185 1.5.2.2 bouyer 186 1.5.2.2 bouyer return rv; 187 1.5.2.2 bouyer } 188 1.5.2.2 bouyer 189 1.5.2.2 bouyer int 190 1.5.2.2 bouyer grfclose(dev, flag, mode, p) 191 1.5.2.2 bouyer dev_t dev; 192 1.5.2.2 bouyer int flag; 193 1.5.2.2 bouyer int mode; 194 1.5.2.2 bouyer struct proc *p; 195 1.5.2.2 bouyer { 196 1.5.2.2 bouyer struct grf_softc *sc; 197 1.5.2.2 bouyer int unit = GRFUNIT(dev); 198 1.5.2.2 bouyer int rv = 0; 199 1.5.2.2 bouyer 200 1.5.2.2 bouyer if (grf_softc == NULL || unit >= numgrf) 201 1.5.2.2 bouyer return ENXIO; 202 1.5.2.2 bouyer 203 1.5.2.2 bouyer sc = &grf_softc[unit]; 204 1.5.2.2 bouyer if (sc->mfb_sc != NULL) 205 1.5.2.2 bouyer macfb_clear(sc->mfb_sc->sc_dc); /* clear the display */ 206 1.5.2.2 bouyer else 207 1.5.2.2 bouyer rv = ENXIO; 208 1.5.2.2 bouyer 209 1.5.2.2 bouyer return rv; 210 1.5.2.2 bouyer } 211 1.5.2.2 bouyer 212 1.5.2.2 bouyer int 213 1.5.2.2 bouyer grfread(dev, uio, ioflag) 214 1.5.2.2 bouyer dev_t dev; 215 1.5.2.2 bouyer struct uio *uio; 216 1.5.2.2 bouyer int ioflag; 217 1.5.2.2 bouyer { 218 1.5.2.2 bouyer return ENXIO; 219 1.5.2.2 bouyer } 220 1.5.2.2 bouyer 221 1.5.2.2 bouyer int 222 1.5.2.2 bouyer grfwrite(dev, uio, ioflag) 223 1.5.2.2 bouyer dev_t dev; 224 1.5.2.2 bouyer struct uio *uio; 225 1.5.2.2 bouyer int ioflag; 226 1.5.2.2 bouyer { 227 1.5.2.2 bouyer return ENXIO; 228 1.5.2.2 bouyer } 229 1.5.2.2 bouyer 230 1.5.2.2 bouyer int 231 1.5.2.2 bouyer grfioctl(dev, cmd, data, flag, p) 232 1.5.2.2 bouyer dev_t dev; 233 1.5.2.2 bouyer u_long cmd; 234 1.5.2.2 bouyer caddr_t data; 235 1.5.2.2 bouyer int flag; 236 1.5.2.2 bouyer struct proc *p; 237 1.5.2.2 bouyer { 238 1.5.2.2 bouyer struct grf_softc *sc; 239 1.5.2.2 bouyer struct macfb_devconfig *dc; 240 1.5.2.2 bouyer #if defined(GRF_COMPAT) || (NGRF > 0) 241 1.5.2.2 bouyer struct grfinfo *gd; 242 1.5.2.2 bouyer #endif /* GRF_COMPAT || (NGRF > 0) */ 243 1.5.2.2 bouyer struct grfmode *gm; 244 1.5.2.2 bouyer int unit = GRFUNIT(dev); 245 1.5.2.2 bouyer int rv; 246 1.5.2.2 bouyer 247 1.5.2.2 bouyer if (grf_softc == NULL || unit >= numgrf) 248 1.5.2.2 bouyer return ENXIO; 249 1.5.2.2 bouyer 250 1.5.2.2 bouyer sc = &grf_softc[unit]; 251 1.5.2.2 bouyer if (sc->mfb_sc == NULL) 252 1.5.2.2 bouyer return ENXIO; 253 1.5.2.2 bouyer 254 1.5.2.2 bouyer dc = sc->mfb_sc->sc_dc; 255 1.5.2.2 bouyer 256 1.5.2.2 bouyer switch (cmd) { 257 1.5.2.2 bouyer #if defined(GRF_COMPAT) || (NGRF > 0) 258 1.5.2.2 bouyer case GRFIOCGINFO: 259 1.5.2.2 bouyer gd = (struct grfinfo *)data; 260 1.5.2.2 bouyer memset(gd, 0, sizeof(struct grfinfo)); 261 1.5.2.2 bouyer gd->gd_fbaddr = (caddr_t)dc->dc_paddr; 262 1.5.2.2 bouyer gd->gd_fbsize = dc->dc_size; 263 1.5.2.2 bouyer gd->gd_colors = (short)(1 << dc->dc_depth); 264 1.5.2.2 bouyer gd->gd_planes = (short)dc->dc_depth; 265 1.5.2.2 bouyer gd->gd_fbwidth = dc->dc_wid; 266 1.5.2.2 bouyer gd->gd_fbheight = dc->dc_ht; 267 1.5.2.2 bouyer gd->gd_fbrowbytes = dc->dc_rowbytes; 268 1.5.2.2 bouyer gd->gd_dwidth = dc->dc_raster.width; 269 1.5.2.2 bouyer gd->gd_dheight = dc->dc_raster.height; 270 1.5.2.2 bouyer rv = 0; 271 1.5.2.2 bouyer break; 272 1.5.2.2 bouyer #endif /* GRF_COMPAT || (NGRF > 0) */ 273 1.5.2.2 bouyer 274 1.5.2.2 bouyer case GRFIOCON: 275 1.5.2.2 bouyer case GRFIOCOFF: 276 1.5.2.2 bouyer /* Nothing to do */ 277 1.5.2.2 bouyer rv = 0; 278 1.5.2.2 bouyer break; 279 1.5.2.2 bouyer 280 1.5.2.2 bouyer #if defined(GRF_COMPAT) || (NGRF > 0) 281 1.5.2.2 bouyer case GRFIOCMAP: 282 1.5.2.2 bouyer rv = grfmap(dev, sc->mfb_sc, (caddr_t *)data, p); 283 1.5.2.2 bouyer break; 284 1.5.2.2 bouyer 285 1.5.2.2 bouyer case GRFIOCUNMAP: 286 1.5.2.2 bouyer rv = grfunmap(dev, sc->mfb_sc, *(caddr_t *)data, p); 287 1.5.2.2 bouyer break; 288 1.5.2.2 bouyer #endif /* GRF_COMPAT || (NGRF > 0) */ 289 1.5.2.2 bouyer 290 1.5.2.2 bouyer case GRFIOCGMODE: 291 1.5.2.2 bouyer gm = (struct grfmode *)data; 292 1.5.2.2 bouyer memset(gm, 0, sizeof(struct grfmode)); 293 1.5.2.2 bouyer gm->fbbase = (char *)dc->dc_vaddr; 294 1.5.2.2 bouyer gm->fbsize = dc->dc_size; 295 1.5.2.2 bouyer gm->fboff = dc->dc_offset; 296 1.5.2.2 bouyer gm->rowbytes = dc->dc_rowbytes; 297 1.5.2.2 bouyer gm->width = dc->dc_wid; 298 1.5.2.2 bouyer gm->height = dc->dc_ht; 299 1.5.2.2 bouyer gm->psize = dc->dc_depth; 300 1.5.2.2 bouyer rv = 0; 301 1.5.2.2 bouyer break; 302 1.5.2.2 bouyer 303 1.5.2.2 bouyer case GRFIOCLISTMODES: 304 1.5.2.2 bouyer case GRFIOCGETMODE: 305 1.5.2.2 bouyer case GRFIOCSETMODE: 306 1.5.2.2 bouyer /* NONE of these operations are (officially) supported. */ 307 1.5.2.2 bouyer default: 308 1.5.2.2 bouyer rv = EINVAL; 309 1.5.2.2 bouyer break; 310 1.5.2.2 bouyer } 311 1.5.2.2 bouyer return rv; 312 1.5.2.2 bouyer } 313 1.5.2.2 bouyer 314 1.5.2.2 bouyer int 315 1.5.2.2 bouyer grfpoll(dev, events, p) 316 1.5.2.2 bouyer dev_t dev; 317 1.5.2.2 bouyer int events; 318 1.5.2.2 bouyer struct proc *p; 319 1.5.2.2 bouyer { 320 1.5.2.2 bouyer return EINVAL; 321 1.5.2.2 bouyer } 322 1.5.2.2 bouyer 323 1.5.2.2 bouyer paddr_t 324 1.5.2.2 bouyer grfmmap(dev, off, prot) 325 1.5.2.2 bouyer dev_t dev; 326 1.5.2.2 bouyer off_t off; 327 1.5.2.2 bouyer int prot; 328 1.5.2.2 bouyer { 329 1.5.2.2 bouyer struct grf_softc *sc; 330 1.5.2.2 bouyer struct macfb_devconfig *dc; 331 1.5.2.2 bouyer paddr_t addr; 332 1.5.2.2 bouyer int unit = GRFUNIT(dev); 333 1.5.2.2 bouyer 334 1.5.2.2 bouyer if (grf_softc == NULL || unit >= numgrf) 335 1.5.2.2 bouyer return ENXIO; 336 1.5.2.2 bouyer 337 1.5.2.2 bouyer sc = &grf_softc[unit]; 338 1.5.2.2 bouyer if (sc->mfb_sc == NULL) 339 1.5.2.2 bouyer return ENXIO; 340 1.5.2.2 bouyer 341 1.5.2.2 bouyer dc = sc->mfb_sc->sc_dc; 342 1.5.2.2 bouyer 343 1.5.2.2 bouyer if (off >= 0 && 344 1.5.2.2 bouyer off < m68k_round_page(dc->dc_offset + dc->dc_size)) 345 1.5.2.2 bouyer addr = m68k_btop(dc->dc_paddr + off); 346 1.5.2.2 bouyer else 347 1.5.2.2 bouyer addr = (-1); /* XXX bogus */ 348 1.5.2.2 bouyer 349 1.5.2.2 bouyer return addr; 350 1.5.2.2 bouyer } 351 1.5.2.2 bouyer 352 1.5.2.2 bouyer int 353 1.5.2.2 bouyer grfmap(dev, sc, addrp, p) 354 1.5.2.2 bouyer dev_t dev; 355 1.5.2.2 bouyer struct macfb_softc *sc; 356 1.5.2.2 bouyer caddr_t *addrp; 357 1.5.2.2 bouyer struct proc *p; 358 1.5.2.2 bouyer { 359 1.5.2.2 bouyer struct specinfo si; 360 1.5.2.2 bouyer struct vnode vn; 361 1.5.2.2 bouyer u_long len; 362 1.5.2.2 bouyer int error, flags; 363 1.5.2.2 bouyer 364 1.5.2.2 bouyer *addrp = (caddr_t)sc->sc_dc->dc_paddr; 365 1.5.2.2 bouyer len = m68k_round_page(sc->sc_dc->dc_offset + sc->sc_dc->dc_size); 366 1.5.2.2 bouyer flags = MAP_SHARED | MAP_FIXED; 367 1.5.2.2 bouyer 368 1.5.2.2 bouyer vn.v_type = VCHR; /* XXX */ 369 1.5.2.2 bouyer vn.v_specinfo = &si; /* XXX */ 370 1.5.2.2 bouyer vn.v_rdev = dev; /* XXX */ 371 1.5.2.2 bouyer 372 1.5.2.2 bouyer error = uvm_mmap(&p->p_vmspace->vm_map, (vaddr_t *)addrp, 373 1.5.2.2 bouyer (vsize_t)len, VM_PROT_ALL, VM_PROT_ALL, 374 1.5.2.2 bouyer flags, (caddr_t)&vn, 0, p->p_rlimit[RLIMIT_MEMLOCK].rlim_cur); 375 1.5.2.2 bouyer 376 1.5.2.2 bouyer /* Offset into page: */ 377 1.5.2.2 bouyer *addrp += sc->sc_dc->dc_offset; 378 1.5.2.2 bouyer 379 1.5.2.2 bouyer return (error); 380 1.5.2.2 bouyer } 381 1.5.2.2 bouyer 382 1.5.2.2 bouyer int 383 1.5.2.2 bouyer grfunmap(dev, sc, addr, p) 384 1.5.2.2 bouyer dev_t dev; 385 1.5.2.2 bouyer struct macfb_softc *sc; 386 1.5.2.2 bouyer caddr_t addr; 387 1.5.2.2 bouyer struct proc *p; 388 1.5.2.2 bouyer { 389 1.5.2.2 bouyer vm_size_t size; 390 1.5.2.2 bouyer int rv; 391 1.5.2.2 bouyer 392 1.5.2.2 bouyer addr -= sc->sc_dc->dc_offset; 393 1.5.2.2 bouyer 394 1.5.2.2 bouyer if (addr <= 0) 395 1.5.2.2 bouyer return (-1); 396 1.5.2.2 bouyer 397 1.5.2.2 bouyer size = m68k_round_page(sc->sc_dc->dc_offset + sc->sc_dc->dc_size); 398 1.5.2.3 bouyer uvm_unmap(&p->p_vmspace->vm_map, (vaddr_t)addr, (vaddr_t)addr + size); 399 1.5.2.3 bouyer return 0; 400 1.5.2.2 bouyer } 401
Indexes created Thu Oct 02 14:10:14 GMT 2025