projects / OpenSPARC-T2-SAM / blame
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1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * Hypervisor Software File: prom_retain.c | |
| 5 | * | |
| 6 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
| 7 | * | |
| 8 | * - Do no alter or remove copyright notices | |
| 9 | * | |
| 10 | * - Redistribution and use of this software in source and binary forms, with | |
| 11 | * or without modification, are permitted provided that the following | |
| 12 | * conditions are met: | |
| 13 | * | |
| 14 | * - Redistribution of source code must retain the above copyright notice, | |
| 15 | * this list of conditions and the following disclaimer. | |
| 16 | * | |
| 17 | * - Redistribution in binary form must reproduce the above copyright notice, | |
| 18 | * this list of conditions and the following disclaimer in the | |
| 19 | * documentation and/or other materials provided with the distribution. | |
| 20 | * | |
| 21 | * Neither the name of Sun Microsystems, Inc. or the names of contributors | |
| 22 | * may be used to endorse or promote products derived from this software | |
| 23 | * without specific prior written permission. | |
| 24 | * | |
| 25 | * This software is provided "AS IS," without a warranty of any kind. | |
| 26 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
| 27 | * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
| 28 | * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
| 29 | * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
| 30 | * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
| 31 | * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
| 32 | * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
| 33 | * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
| 34 | * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
| 35 | * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
| 36 | * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
| 37 | * | |
| 38 | * You acknowledge that this software is not designed, licensed or | |
| 39 | * intended for use in the design, construction, operation or maintenance of | |
| 40 | * any nuclear facility. | |
| 41 | * | |
| 42 | * ========== Copyright Header End ============================================ | |
| 43 | */ | |
| 44 | /* | |
| 45 | * Copyright (c) 2000-2003 Sun Microsystems, Inc. | |
| 46 | * All rights reserved. | |
| 47 | * Use is subject to license terms. | |
| 48 | */ | |
| 49 | ||
| 50 | #pragma ident "@(#)prom_retain.c 1.1 00/07/22 SMI" | |
| 51 | ||
| 52 | #include <sys/promif.h> | |
| 53 | #include <sys/promimpl.h> | |
| 54 | ||
| 55 | /* | |
| 56 | * Allocate retained physical memory | |
| 57 | * Returns 0: Success; Non-zero: failure. | |
| 58 | * Returns *phys_hi, *phys_lo only if successful. | |
| 59 | */ | |
| 60 | int | |
| 61 | prom_retain(char *id, size_t size, uint32_t align, u_longlong_t *physaddr) | |
| 62 | { | |
| 63 | cell_t ci[11]; | |
| 64 | int32_t rv; | |
| 65 | ihandle_t imemory = prom_memory_ihandle(); | |
| 66 | ||
| 67 | if ((imemory == (ihandle_t)-1)) | |
| 68 | return (-1); | |
| 69 | ||
| 70 | ci[0] = p1275_ptr2cell("call-method"); /* Service name */ | |
| 71 | ci[1] = (cell_t)5; /* #argument cells */ | |
| 72 | ci[2] = (cell_t)3; /* #result cells */ | |
| 73 | ci[3] = p1275_ptr2cell("SUNW,retain"); /* Arg1: Method name */ | |
| 74 | ci[4] = p1275_ihandle2cell(imemory); /* Arg2: memory ihandle */ | |
| 75 | ci[5] = p1275_uint2cell(align); /* Arg2: SA1: align */ | |
| 76 | ci[6] = p1275_size2cell(size); /* Arg3: SA2: size */ | |
| 77 | ci[7] = p1275_ptr2cell(id); /* Arg4: SA3: id name */ | |
| 78 | ||
| 79 | rv = p1275_cif_handler(&ci); | |
| 80 | ||
| 81 | if (rv != 0) | |
| 82 | return (rv); /* Service "call-method" failed */ | |
| 83 | if (ci[8] != 0) /* Res1: catch-result */ | |
| 84 | return (-1); /* Method "SUNW,retain" failed */ | |
| 85 | ||
| 86 | *physaddr = p1275_cells2ull(ci[9], ci[10]); | |
| 87 | /* Res3: base.hi, Res4: base.lo */ | |
| 88 | return (0); | |
| 89 | } |