projects / OpenSPARC-T2-SAM / blame
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1 | \ ========== Copyright Header Begin ========================================== |
| 2 | \ | |
| 3 | \ Hypervisor Software File: finder.fth | |
| 4 | \ | |
| 5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
| 6 | \ | |
| 7 | \ - Do no alter or remove copyright notices | |
| 8 | \ | |
| 9 | \ - Redistribution and use of this software in source and binary forms, with | |
| 10 | \ or without modification, are permitted provided that the following | |
| 11 | \ conditions are met: | |
| 12 | \ | |
| 13 | \ - Redistribution of source code must retain the above copyright notice, | |
| 14 | \ this list of conditions and the following disclaimer. | |
| 15 | \ | |
| 16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
| 17 | \ this list of conditions and the following disclaimer in the | |
| 18 | \ documentation and/or other materials provided with the distribution. | |
| 19 | \ | |
| 20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
| 21 | \ may be used to endorse or promote products derived from this software | |
| 22 | \ without specific prior written permission. | |
| 23 | \ | |
| 24 | \ This software is provided "AS IS," without a warranty of any kind. | |
| 25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
| 26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
| 27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
| 28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
| 29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
| 30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
| 31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
| 32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
| 33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
| 34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
| 35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
| 36 | \ | |
| 37 | \ You acknowledge that this software is not designed, licensed or | |
| 38 | \ intended for use in the design, construction, operation or maintenance of | |
| 39 | \ any nuclear facility. | |
| 40 | \ | |
| 41 | \ ========== Copyright Header End ============================================ | |
| 42 | id: @(#)finder.fth 1.3 06/04/18 | |
| 43 | purpose: Package for FLASH ROM device | |
| 44 | copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved | |
| 45 | copyright: Use is subject to license terms. | |
| 46 | ||
| 47 | hex | |
| 48 | headerless | |
| 49 | ||
| 50 | 0 value di-limit | |
| 51 | ||
| 52 | struct | |
| 53 | /l field >di-magic | |
| 54 | /l field >di-size | |
| 55 | /l field >di-sum | |
| 56 | /l field >di-exp \ Reserved | |
| 57 | d# 16 field >di-name | |
| 58 | 0 field >di-image | |
| 59 | constant /lvl1-hdr | |
| 60 | ||
| 61 | struct | |
| 62 | /l field >di2-magic | |
| 63 | 0 field >di2-image | |
| 64 | constant lvl2-hdr | |
| 65 | ||
| 66 | : check-di-magic ( addr -- header flag? ) | |
| 67 | 4 round-up ( addr' ) | |
| 68 | dup >di-magic rl@ h# 4f424d44 = ( addr' flag ) | |
| 69 | ; | |
| 70 | ||
| 71 | : check-directory-magic ( addr -- addr flag ) | |
| 72 | dup rl@ h# 4f424d45 = ( addr' flag ) | |
| 73 | ; | |
| 74 | ||
| 75 | : (find-drop-in?) ( name$ base -- false | header,true ) | |
| 76 | recursive | |
| 77 | swap d# 15 min swap ( name$' base ) | |
| 78 | over 0= if 3drop false exit then ( false ) | |
| 79 | check-di-magic if ( name$ addr ) | |
| 80 | >r 2dup r@ >di-name cscount $= if ( name$ ) | |
| 81 | 2drop r> true ( header,true ) | |
| 82 | else ( name$ ) | |
| 83 | r> dup >di-size rl@ ( name$ addr len ) | |
| 84 | swap >di-image + ( name$ addr ) | |
| 85 | dup di-limit < if ( name$ addr ) | |
| 86 | (find-drop-in?) ( header,true | false ) | |
| 87 | else ( header,true | false ) | |
| 88 | cmn-warn[ " Dropin search goes past prom boundary" ]cmn-end | |
| 89 | 3drop false exit ( false ) | |
| 90 | then ( false ) | |
| 91 | then ( header,true | false ) | |
| 92 | else ( name$ header ) | |
| 93 | 3drop false ( false ) | |
| 94 | then ( header,true | false ) | |
| 95 | ; | |
| 96 | ||
| 97 | \ | |
| 98 | \ The device tree requires that / be replaced with | | |
| 99 | \ so that arguments and device nodes are correctly delimited. | |
| 100 | \ So the left-parse-string below uses | | |
| 101 | \ | |
| 102 | : find-drop-in? ( name-adr,len addr -- addr,true | false ) | |
| 103 | recursive | |
| 104 | >r ( name$ ) | |
| 105 | ascii | left-parse-string ( r,len l,len ) | |
| 106 | r> (find-drop-in?) if ( r,len addr ) | |
| 107 | over if ( r,len ) | |
| 108 | >di-image ( r,len addr' ) | |
| 109 | check-directory-magic if ( r,len addr ) | |
| 110 | >di2-image find-drop-in? ( addr,true | false ) | |
| 111 | else ( r,len addr ) | |
| 112 | 3drop false ( false ) | |
| 113 | then ( addr,true | false ) | |
| 114 | else ( r,0 addr ) | |
| 115 | nip nip true ( addr,true ) | |
| 116 | then ( addr,true | false ) | |
| 117 | else ( r,len ) | |
| 118 | 2drop false ( false ) | |
| 119 | then ( addr,true | false ) | |
| 120 | ; | |
| 121 |