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Annotation of qemu/roms/SLOF/slof/fs/fcode/little-big.fs, revision 1.1.1.1

1.1       root        1: \ *****************************************************************************
                      2: \ * Copyright (c) 2004, 2011 IBM Corporation
                      3: \ * All rights reserved.
                      4: \ * This program and the accompanying materials
                      5: \ * are made available under the terms of the BSD License
                      6: \ * which accompanies this distribution, and is available at
                      7: \ * http://www.opensource.org/licenses/bsd-license.php
                      8: \ *
                      9: \ * Contributors:
                     10: \ *     IBM Corporation - initial implementation
                     11: \ ****************************************************************************/
                     12: 
                     13: \ little- and big-endian FCODE IP access functions
                     14: 
                     15: 
                     16: ?bigendian [IF]                       \ Big endian access functions first
                     17: 
                     18: 
                     19: : read-fcode-num16 ( -- n )
                     20:    0 fcode-num !
                     21:    ?arch64 IF
                     22:       read-byte fcode-num 6 + C!
                     23:       next-ip
                     24:       read-byte fcode-num 7 + C!
                     25:    ELSE
                     26:       read-byte fcode-num 2 + C!
                     27:       next-ip
                     28:       read-byte fcode-num 3 + C!
                     29:    THEN
                     30:    fcode-num @
                     31: ;
                     32: 
                     33: : read-fcode-num32 ( -- n )
                     34:    0 fcode-num !
                     35:    ?arch64 IF
                     36:       read-byte fcode-num 4 + C!
                     37:       next-ip
                     38:       read-byte fcode-num 5 + C!
                     39:       next-ip
                     40:       read-byte fcode-num 6 + C!
                     41:       next-ip
                     42:       read-byte fcode-num 7 + C!
                     43:    ELSE
                     44:       read-byte fcode-num 0 + C!
                     45:       next-ip
                     46:       read-byte fcode-num 1 + C!
                     47:       next-ip
                     48:       read-byte fcode-num 2 + C!
                     49:       next-ip
                     50:       read-byte fcode-num 3 + C!
                     51:    THEN
                     52:    fcode-num @
                     53: ;
                     54: 
                     55: 
                     56: [ELSE]                                \ Now the little endian access functions
                     57: 
                     58: 
                     59: : read-fcode-num16 ( -- n )
                     60:    0 fcode-num !
                     61:    ?arch64 IF
                     62:       read-byte fcode-num 7 + C!
                     63:       next-ip
                     64:       read-byte fcode-num 6 + C!
                     65:    ELSE
                     66:       read-byte fcode-num 1 + C!
                     67:       next-ip
                     68:       read-byte fcode-num 0 + C!
                     69:    THEN
                     70:    fcode-num @
                     71: ;
                     72: 
                     73: : read-fcode-num32 ( adr -- n )
                     74:    0 fcode-num !
                     75:    ?arch64 IF
                     76:       read-byte fcode-num 7 + C!
                     77:       next-ip
                     78:       read-byte fcode-num 6 + C!
                     79:       next-ip
                     80:       read-byte fcode-num 5 + C!
                     81:       next-ip
                     82:       read-byte fcode-num 4 + C!
                     83:    ELSE
                     84:       read-byte fcode-num 3 + C!
                     85:       next-ip
                     86:       read-byte fcode-num 2 + C!
                     87:       next-ip
                     88:       read-byte fcode-num 1 + C!
                     89:       next-ip
                     90:       read-byte fcode-num 0 + C!
                     91:    THEN
                     92:    fcode-num @
                     93: ;
                     94: 
                     95: 
                     96: [THEN]

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